view gcc/ChangeLog-1999 @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents 77e2b8dfacca
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Fri Dec 31 19:10:31 1999  Richard Kenner  <>

	* function.c (update_temp_slot_address): Handle case where sum of
	temporary address plus offset in register is a valid address.

1999-12-30  Herman A.J. ten Brugge  <>

	* genrecog.c (change_state) Corrected typo.

1999-12-30  Kaveh R. Ghazi  <>

	* system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
	getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
	strerror, getrlimit, setrlimit, abort): Add prototype arguments.

1999-12-30  Bernd Schmidt  <>

	* i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
	case, expand GT comparisons correctly.  Fix a comment before this
	part of the code.

1999-12-30  Gabriel Dos Reis  <>

	* dwarfout.c: Include "frame.h"
	* dwarf2out.c: Likewise.
	* (dwarfout.o): Depend on frame.h
	(dwarf2out.o): Likewise.

1999-12-29  "Martin v. Löwis" <>

	Restore i386 binary compatibility in Dwarf EH info.
	* config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
	(struct frame_state): Use DWARF_FRAME_REGISTERS.
	* dwarfout.c (output_reg_number): Ditto.
	* dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.

1999-12-29  Bruce Korb  <>

	* fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
	* fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
	(<hack>_RE_CT): not needed
	* fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
	rewritten to scan the file text once only
	"template<..." test added
	* fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
	(is_cxx_header): declaration added
	* fixinc/fixtests.c(is_cxx_header): removed
	(apply_fix_p_t): removed
	(double_slash_test): is_cxx_header is only called once now
	* fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
	* fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
	within the templates.
	The borken spelling of "broken" was fixed.
	* fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
	The default level depends on FIXINC_DEBUG.

1999-12-29  Kaveh R. Ghazi  <>

	* crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
	Otherwise provide a declaration for atexit.
	(init_dummy): Make sure dummy call to atexit is nevertheless
	called with correct number of args.

	* frame.c: Update comments referring to other files.

	* libgcc2.c: Likewise.

1999-12-29  Kaveh R. Ghazi  <>

	* cse.c (free_element, get_element): Remove unused prototypes.

	* fold-const.c (extract_muldiv): Initialize variables `op0' and

	* jump.c (invert_exp): Add explicit braces to avoid ambiguous
	`else' clauses.

Wed Dec 29 12:44:54 1999  Donald Lindsay  <>

	*,configure: case arm for mn10200-*-* now sets
	float_format=i32 so that float.h will correctly claim "double"
	to be 32 bits. Ran autoconf to generate configure from .in file.

Wed Dec 29 10:53:21 1999  Jeffrey A Law  (

	* (conditional zero): If op1 is a register, force it into
	the same register as op0.

1999-12-28  Mark Mitchell  <>

	* tree.h (BINFO_BASETYPES): Improve documentation.

1999-12-28  Kaveh R. Ghazi  <>

	* (--enable-checking): Use a more portable `for'
	loop syntax.

1999-12-28  Kaveh R. Ghazi  <>

	* (AC_DECL_SYS_SIGLIST, xm-siglist.h,
	arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.

	* xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
	Delete files.

	* gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
	Delete descriptions.

	* i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
	m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
	m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
	pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
	xm-svr4.h: Remove all instances of sys_siglist handling.

1999-12-27  Jakub Jelinek  <>

	* config/sparc/ (cmp_zero_qi,
	cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
	cmp_zero_extendqidi2_andcc_set): New patterns.

1999-12-28  Manfred Hollstein  <>

	* m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
	(fpgnulib.c, xfgnulib.c): Add rules.
	* m68k/t-mot3300-gas: Likewise.

1999-12-27  Ian Lance Taylor  <>

	* Avoid [[ by using test and changequote.  Add
	changequote required by 1999-12-14 change.
	* configure: Rebuild.

1999-12-27  Clinton Popetz  <>

	* config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.

1999-12-27  Christophe Jaillet  <>

	* alias.c (nonlocal_reference_p): Add else for disjoint ifs.
	* flow.c (find_use_as_address): Likewise.
	* function.c (fixup_var_refs_1): Likewise.
	(walk_fixup_memory_subreg, fixup_stack_1): Likewise.
	* jump.c (invert_exp, redirect_exp): Likewise.
	* loop.c (replace_call_address): Likewise.
	(count_nonfixed_reads): Likewise.
	* rtlanal.c (modified_between_p): Likewise.
	(modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
	(side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
	* unroll.c (remap_split_bivs): Likewise.

1999-12-27  Kaveh R. Ghazi  <>

	* diagnostic.c (v_message_with_decl): Use .* format specifier
	instead of building the format specifier width manually.

	* system.h (strsignal): Don't check HAVE_STRSIGNAL when
	determining whether to provide a prototype.  Remove the
	sys_siglist clause in the conditional.

1999-12-23  Martin v. Löwis  <>

	* fold-const.c (operand_equal_p): Use memcmp to compare string
	Suggested by D. J. Bernstein

1999-12-17  Jakub Jelinek  <>

	* config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
	UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
	compiling libgcc2.
	* config/mips/mips.h (TARGET_64BIT): Likewise.
	* config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
	* libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
	of {SI,DI}type and DIunion.  Define these types to QI/HI modes on
	dsps.  Give routines proper names if SI/DI modes are not used.
	* longlong.h: Use DWunion instead of DIunion.

1999-12-26  Zack Weinberg  <>

	* acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
	* Allow --enable-checking with an argument
	listing check modes to enable.
	*, configure: Rebuilt.
	* ggc-page.c, ggc-simple.c: Define GGC_POISON (and
	GGC_ALWAYS_VERIFY for ggc-simple.c) only if
	* tree.h, tree.c: Change ENABLE_CHECKING to

Sun Dec 26 07:48:20 1999  Richard Kenner  <>

	* fold-const.c (fold_truthop): Properly check for FP RHS.

1999-12-24  Mark Mitchell  <>

	* toplev.h (note_deferall_of_defined_inline_function): Declare.
	* toplev.c (note_deferral_of_defined_inline_function): New
	function, split out from ...
	(rest_of_compilation): ... here.  Use it.

Fri Dec 24 12:34:26 1999  Richard Kenner  <>

	* expr.c (store_constructor): Don't call clear_storage if size is

1999-12-24  Kaveh R. Ghazi  <>

	* (toplev.o): Depend on loop.h.

	* dwarfout.c: Include tm_p.h.

	* emit-rtl.c (restore_emit_status): Mark parameter with

	* final.c (final_scan_insn): Likewise.

	* flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
	flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
	flow_depth_first_order_compute, flow_loop_pre_header_find,
	flow_loop_tree_node_add, flow_loops_tree_build,
	flow_loop_level_compute, flow_loops_level_compute,
	flow_loop_outside_edge_p): Add prototypes.
	(recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.

	* ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):

	* hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.

	* local-alloc.c (no_conflict_p): Likewise.

	* loop.c (insert_bct): Hide definitions of variables with hidden
	(note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.

	* regclass.c (memory_move_secondary_cost): Mark variable `mem'
	(record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
	(reg_scan): Likewise.

	* reload.c (find_reloads): Remove unused variables `changed'.

	* reload1.c (reload_reg_class_lower): Don't unnecessarily cast
	away const-ness.
	(allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
	Remove unused variable `insn'.

	* toplev.c: Include loop.h.
	(report_file_and_line): Remove unnecessary prototype.

	* tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.

	* unroll.c (biv_total_increment): Likewise.

Thu Dec 23 23:15:22 1999  J"orn Rennecke <>

	* reload1.c (emit_input_reload_insns): Restore old behavior
	wrt. 'special' reloads.

1999-12-23  Zack Weinberg  <>

	* (ggc-simple.c, ggc-page.c): Don't depend on
	hash.h.  (cse.c): Don't depend on hashtab.h.

	* cse.c: Don't include hashtab.h.
	(hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
	of dead functions.
	* ggc-simple.c: Don't include hash.h.

1999-12-22  Jason Merrill  <>

	* dwarf2out.c (add_abstract_origin_attribute): Call
	gen_abstract_function on our function context.

Thu Dec 23 03:57:10 1999  Hans-Peter Nilsson  <>


1999-12-23  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_address_cost): Add statement to default
	case in switch.

1999-12-22  Michael Hayes  <>

	* config/c4x/ (*addqi3_noclobber_reload): Change operand 0
	constraints to "a!r".

1999-12-21  Mark Mitchell  <>

	* (calls.o): Depend on function.h.
	(alias.o): Likewise.

1999-12-21  Bernd Schmidt  <>

	* reload1.c (emit_reload_insns): Break out code and variables into...
	(input_reload_insns, other_input_address_reload_insns,
	other_input_reload_insns, input_address_reload_insns,
	inpaddr_address_reload_insns, output_reload_insns,
	output_address_reload_insns, outaddr_address_reload_insns,
	operand_reload_insns, other_operand_reload_insns,
	other_output_reload_insns): ... new static variables, and...
	(emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
	do_output_reload): ... new functions.

Tue Dec 21 07:06:36 1999  Richard Kenner  <>

	* pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.

1999-12-21  Michael Hayes  <>

	* md.texi: Add c4x constraints documentation.

1999-12-21  Martin v. Löwis  <>

	* config/i386/dgux.c (struct option): Rename to
	(struct m_options): Add description field.
	(output_options): Rename option type, add sep declaration, output
	ix86_cpu_string and ix86_arch_string only if set.
	(output_file_start): Rename option type.

Mon Dec 20 23:15:36 1999  Mike Stump  <>

	* (crtbegin.o, crtend.o, s-crtS): Depend on
	(libgcc2.a): Similarly.

Mon Dec 20 23:06:47 1999  David Edelsohn  <>

	* longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
	with W_TYPE_SIZE == 32.  Do not fall through to POWER architecture
	for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.

Mon Dec 20 23:02:03 1999  Jeffrey A Law  (

	* fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
	Remove redundant initialization of "frexpon" and "expon".

Mon Dec 20 15:00:04 1999  Richard Kenner  <>

	* tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.

	* expr.c (store_constructor): New argument SIZE; pass to clear_storage.
	(store_constructor_field, expand_expr): Pass new arg.

1999-12-20  Mark Mitchell  <>

	* (explow.o): Depend on function.h.

	* stor-layout.c (set_sizetype): Fix typo.

1999-12-20  Bernd Schmidt  <>

	* function.c (cfun): Renamed from current_function.  All users
	* function.h (cfun): Rename declaration as well.

	* reload.h (struct insn_chain): Change live_throughout and dead_or_set
	to be of type regset_head, not regset.  All users changed by adding
	address operator.
	* reload1.c (new_insn_chain): Don't allocate regsets, just clear them.

1999-12-20  Michael Hayes  <>

	* config/c4x/rtems.h: New file.

1999-12-19  Bernd Schmidt  <>

	* reload1.c (spill_failure): Take class of failed reload as argument
	and print it.  Caller changed.

Sun Dec 19 07:50:42 1999  Richard Kenner  <>

	* rs6000.h (SUBTARGET_DEFAULT): New macro.
	(TARGET_SWITCHES): Allow subtargets to default switches.
	* rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.

1999-12-18  Mark Mitchell  <>

	* crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
	in a main program.

Sat Dec 18 20:42:43 1999  Richard Henderson  <>

	* cccp.c (main): Define __STDC_VERSION__ as necessary.
	* cppinit.c (cpp_handle_option): Likewise.

	* ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
	determine when to define.

Sat Dec 18 20:34:00 1999  Richard Henderson  <>

	* alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
	cmove with mismatched test and data modes.

Sat Dec 18 20:30:15 1999  Richard Henderson  <>

	* c-typeck.c (c_expand_start_case): Don't warn for long switch
	in system headers.

Sat Dec 18 16:28:43 1999  Richard Kenner  <>

	* alias.c: Minor reformatting.
	* flow.c: Likewise.
	* regs.h: Likewise.
	* stor-layout.c: Likewise.
	* fold-const.c: Likewise.
	(OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
	(struct cb_args, const_binop_1, const_binop): Pass type of arg,
	not arg itself.
	(size_int_wide): Cache nodes even if garbage collecting.
	(twoval_comparison_p): Reenable SAVE_EXPR case if operand
	of SAVE_EXPR has no side effects.
	* cse.c: Move a comment.
	* tree.c: Minor reformatting.
	(int_size_in_bytes): Return -1 if constant overflows.

Sat Dec 18 18:30:20 1999  J"orn Rennecke <>

	* unroll.c (copy_loop_body): Don't treat a REG like a PLUS.

1999-12-18 10:42 -0800  Zack Weinberg  <>

	* objc/objc-parse.c: Regenerate.  This file must be rebuilt
	after any change to, even if objc-parse.y didn't
	change.  Oops.

1999-12-18  David S. Miller  <>

	* toplev.c (rest_of_compilation): Restore BLOCK tree
	reconstruction and branch shortening changes lost in
	December 18th change.

Sat Dec 18 05:29:29 1999  Scott Bambrough  <>

	* config/arm/linux-elf.h: Change all instances of
	* config/arm/uclinux-elf.h: Likewise.

1999-12-18 Gabriel Dos Reis  <>

	* toplev.c (notice, vmessage, v_message_with_file_and_line,
	v_message_with_decl, file_and_line_for_asm,
	v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
	verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
	v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
	v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
	pfatal_with_name, fatal_io_error, need_error_newline,
	last_error_function, last_error_tick, announce_function,
	default_print_error_function, print_error_function,
	report_error_function, fnotice, error_with_file_and_line,
	error_with_decl, error_for_asm, error, set_fatal_function, fatal,
	_fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
	warning_with_decl, warning_for_asm, warning, pedwarn,
	pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
	(compile_file): Use fnotice instead of notice.  Adjust call.

	* diagnostic.c: New file.

	* (OBJS): Include diagnostic.o
	(diagnostic.o): Define dependence.

1999-12-18  Michael Hayes  <>

	* config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
	Tweak formatting.

1999-12-18  Michael Hayes  <>

	* config/c4x/ (rpts_top, rptb_top): Add clobbers for rs and re.

1999-12-17 13:21 -0800  Zack Weinberg  <>

	* fixtests.c (is_cxx_header): New fn, split out of
	(else_endif_label): Allow "#endif // comment" in C++ headers,
	as determined by is_cxx_header.
	* fixfixes.c (else_endif_label_fix): Update comment.
	* fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
	a tty.
	* genfixes: Correct double thinko in commandline parsing.
	* hackshell.tpl: Generate correct sh syntax for bypass

	* inclhack.def (all): Whenever an inserted preprocessor
	conditional is split over multiple lines, use double
	backslashes in this file so the fixed header will be readable.

	(AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
	and add bypass entry for correct version of this header.
	(AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
	(AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.

	(hpux8_bogus_inlines): New fix, split from...
	(ultrix_atof_param) ... here.
	(math_expression): Add bypass entry keyed to glibc comment
	indicating the problem has been dealt with; disable
	unnecessary sed operations; update commentary.
	(math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
	add select and bypass entries, simplify shell operation.
	(math_huge_val_ifndef): Split from math_gcc_ifndefs.

	(ip_missing_semi, rs6000_param, tinfo_cplusplus,
	 ultrix_atof_param): Add select entry.
	(stdio_va_list, sunos_mather_decl): Add bypass entry.
	(systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
	comments with the fixes they describe.

	* (string action): Do not warn about ANSI string
	concatenation in system headers.  Affects C parser only.
	* c-parse.y, c-parse.c, c-parse.h: Rebuild.

1999-12-16  Jakub Jelinek  <>

	* config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
	compiling libgcc2 the macro depends always on arch cpp defines.

Fri Dec 17 10:34:16 1999  Richard Earnshaw <>

	* loop.c (insert_loop_mem): Don't record MEMs from inside

Fri Dec 17 12:08:11 MET 1999  Jan Hubicka  <>

	* regclass.c (regclass): Do not use flowgraph when not optimizing.

	* gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
	notes too, create one when replacement failed, attempt to simplify
	resulting notes.
	(cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
	or REG_EQUIV notes.

1999-12-16  Mark Mitchell  <>

	* crtstuff.c (__dso_handle): Declare.
	(__cxa_finalize): Likewise.
	(do_global_dtors_aux): Call __cxa_finalize if __dso_handle is

	* invoke.texi: Document -fuse-cxa-atexit.

	* tree.h (ptr_type_node): Document.
	(const_ptr_type_node): Likewise.

Fri Dec 17 01:32:38 MET 1999  Jan Hubicka  <>

	* regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
	(optimize_reg_copy_2): Likewise.
	(optimize_reg_copy_3): Likewise.
	(fixup_match_2): Likewise.
	(regmove_optimize): Likewise.
	(fixup_match_1): Liekwise.

	* (HI to SImode promoting splitters): Rewrite.
	(pushsf mem peep2): New.
	(testhi to andhi peep2): Remove.
	* i386.h (x86_promote_QImode): New.
	(PREDICATE_CODES): Add promotable_binary_operator.
	* i386.c (x86_promote_QImode0: New.
	(promotable_binary_operator): New.
	* i386-protos.h (promotable_binary_operator): New.

	* (test?i_1): Use "nonmemory_operand" predicate, simplify
	(one_cmpl?i*): Pass "NOT" to unary_operator_ok.

1999-12-16  Mark Mitchell  <>

	* function.c (insert_block_after_note): Remove.
	(retrofit_block): Likewise.
	(identify_blocks): Fix indentation.
	(reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
	* function.h (insert_block_after_note): Remove prototype.
	(retrofit_block): Likewise.
	* integrate.c (expand_inline_function): Don't call
	find_loop_tree_blocks.  Use expand_start_bindings_and_block, not
	just expand_start_bindings.  Use the block_map to remap old
	NOTE_BLOCKs to new ones.
	(integrate_decl_tree): Keep track of remapped blocks.
	* integrate.h (struct inline_remap): Add block_map.
	* stmt.c (expand_fixup): Don't try to retrofit_blocks.  Just set
	NOTE_BLOCK on the notes.
	(expand_start_bindings): Rename to ...
	(expand_start_bindings_and_block): Add parameter.  Set NOTE_BLOCK.
	(expand_end_bindings): Set NOTE_BLOCK.
	* toplev.c (rest_of_compilation): In function-at-a-time-mode,
	reconstruct the BLOCK tree.
	* tree.h (expand_start_bindings): Macroize.  Call ...
	(expand_start_bindings_and_block): New function.

1999-12-16  Jakub Jelinek  <>

	* config/sparc/sparc.c (print_operand): Cast fprintf arguments
	to match the format.

1999-12-16  David S. Miller  <>

	* expr.c (emit_move_insn_1): Only emit clobbers if one of
	the outputs is a SUBREG.
	* rtlanal.c (reg_overlap_mentioned_p): Revert December 15th

	* config/sparc/sparc.c (epilogue_renumber): Add default case
	to switch stmt.

Thu Dec 16 11:33:57 MET 1999  Jan Hubicka  <>

	* toplev.c (rest_of_compilation): Run branch shortening after

	* regclass.c (loop_depth): Remove
	(scan_one_insn): Do not handle LOOP_NOTE insns.
	(regclass): Go through basic blocks and set loop_cost

Thu Dec 16 02:56:25 1999  Zack Weinberg  <>


Thu Dec 16 10:43:35 MET 1999  Jan Hubicka  <>

	* (movqi): Use "nonimmediate_operand" for output operand.
	(movstrictqi, movdi, movsf, movdf, movxf): Likewise.
	(adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.

Thu Dec 16 02:41:26 1999  Richard Henderson (

	* loop.c (insert_loop_mem): Ignore memory clobbers.

	* combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
	to (OP A B).

Thu Dec 16 02:26:11 1999  Jeffrey A Law  (

	* profile.c: Remove redundant #include "output.h".

	* (HImode preinc peephole): Fix typo.

1999-12-15  Jason Merrill  <>

	* function.c (retrofit_block): Abort if we don't find a suitable insn.
	(insert_block_after_note): Abort if we don't have a previous block.
	Remove FN parameter.
	* function.h: Adjust.

1999-12-15  Mark Mitchell  <>

	* builtins.c (expand_builtin_mathfn): Make sure not to expand the
	argument more than once.

1999-12-15  Jason Merrill  <>

	* stmt.c (expand_decl): Expand upper bound of a dynamic array.

1999-12-15  Jakub Jelinek  <>

	* expr.c (emit_group_load): Use dst mode if src is VOIDmode.

Wed Dec 15 16:11:55 MET 1999  Jan Hubicka  <>

	* function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
	(assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
	update stack_alignment_needed.
	(prepare_function_start): Initialize stack_alignment_needed
	* function.h (struct function): Add field stack_alignment_needed.

Wed Dec 15 14:55:24 1999  J"orn Rennecke <>

	* caller-save.c (insert_one_insn): Returns struct insn_chain *.
	Handle live_throughout / dead_or_set instead of live_before /
	(save_call_clobbered_regs): Get register livenessinformation from
	(add_stored_regs): New function.
	(insert_restore, insert_save): Add restored / saved registers to
	* global.c (reg_dies): New parameter chain.
	(reg_becomes_live): Third parameter is regs_set now.
	Changed all callers.
	(reg_dies): New parameter chain.  Changed all callers.
	(build_insn_chain): Set live_throughout instead of
	live_before / live_after.
	* reload.h (struct insn_chain): Replace members live_before /
	live_after with live_throughout / dead_or_set.
	* reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
	instead of live_before / live_after.
	(maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
	(order_regs_for_reload, find_reg, finish_spills): Likewise.
	(choose_reload_regs_init): Likewise.
	* stupid.c (current_chain, find_clobbered_regs): Delete.
	(stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
	instead of chain->live_before / chain->live_after.
	(mark_hard_ref): New function.
	(stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.

1999-12-15  David S. Miller  <>

	* rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.

Wed Dec 15 15:05:30 MET 1999  Jan Hubicka  <>

	* flow.c (calculate_loop_depth): Make global, remove prototype,
	rewrite to use new loop infrastructure.
	(find_basic_block): Remove calculate_loop_depth call.
	* toplev.c (rest_of_compilation): Call find_basic_block.
	* output.h (calculate_loop_depth): Declare.

	* flow.c (dump_flow_info): Dump loop_depth.
	(flow_loops_nodes_find): Increase loop_depth for basic block in the
	(flow_loops_find): Initialize the loop_depth for each basic block.

1999-12-15  Jason Merrill  <>

	* tree.c (decl_function_context): Handle virtual functions.

	* tlink.c (scan_linker_output): Don't look in demangled name when
	looking for linker output keywords.

	* dwarfout.c (output_type): We can defer namespace-scope classes.

Wed Dec 15 01:23:29 1999  Jeffrey A Law  (

	* regclass.c (record_reg_classes): Update comment for merging
	register class preferences in reg->reg copies.  Tighten conditions
	for merging register class preferences in reg->reg copies.

Wed Dec 15 02:19:32 1999  David Edelsohn  <>

	* (tablejumpdi): Generate DImode LABEL_REF.

1999-12-14  Geoff Keating  <>

	* config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
	(STARTFILE_SPEC): Define to hold just crtbegin.o.

1999-12-14  Jason Merrill  <>

	* dwarf2out.c (add_abstract_origin_attribute): Do call abort if
	the abstract origin wasn't emitted.

	* dwarf2out.c (class_scope_p): New fn.
	(gen_subprogram_die): Use it.
	(gen_variable_die): Use it.  Tweak logic.
	(gen_struct_or_union_type_die): Check context_die to determine
	if we're function-local.
	(dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.

1999-12-14  Bernd Schmidt  <>

	* loop.c (check_dbra_loop): Can't reverse a biv that has
	maybe_multiple set.

1999-12-14  Nick Clifton  <>

	* config/arm/arm.c: Add support for -mcpu=arm720 command line

Tue Dec 14 18:13:32 1999  J"orn Rennecke <>

	* loop.c (strength_reduce): Fix sign of giv lifetime calculation
	for givs made from biv increments.

Tue Dec 14 08:11:27 1999  Richard Henderson  <>

	* (alpha-osf, alpha-linux): Handle ev6[78].
	* alpha.c (override_options): Recognize -mcpu=ev67.
	* alpha.h (CPP_CPU_EV67_SPEC): New.
	(EXTRA_SPECS): Update.

Tue Dec 14 08:04:28 1999  Richard Henderson  <>

	* cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
	appropriate for -lang-c89 and -std=*.
	* cppinit.c (cpp_handle_option): Likewise.
	(new_pending_define): New, split out from cpp_handle_option.
	* gcc.c (default_compilers): Don't define __STRICT_ANSI__
	or enable trigraphs for -ansi/-std=*.

	* ginclude/stdarg.h (__va_copy): New.
	(va_copy): Don't define for C89.

Tue Dec 14 08:37:27 CST 1999 Clinton Popetz  <>

	* config/arm/ (mulsidi3adddi, umulsidi3adddi): New patterns
	for long long multiply-accumulate.

Tue Dec 14 13:51:38 MET 1999  Jan Hubicka  <>

	* regclass.c (scan_one_insn): Set loop_cost to 1 when
	optimizing for size.

1999-12-14  Bernd Schmidt  <>

	* reload1.c (reload): Can't avoid select_reload_regs/finish_spills
	if something changed.  Back out that part of yesterday's changes.

	* loop.c (loop_max_reg): New static variable.
	(loop_optimize): Initialize it.  Eliminate one unnecessary call to
	(scan_loop): Call reg_scan_update whenever we may have added new
	registers, and update loop_max_reg.

Tue Dec 14 12:07:29 MET 1999  Jan Hubicka  <>

	* regclass.c  (record_reg_classes): Do not do the copying preferrencing
	when source does not die.

	* regclass.c (record_reg_classes): Handle INOUT operands properly.

1999-12-14  Jakub Jelinek  <>

	* config/sparc/linux64.h (TARGET_LIVE_G0,
	variants on Linux.
	* config/sparc/linux.h (TARGET_LIVE_G0,
	* config/sparc/linux-aout.h (TARGET_LIVE_G0,

	* config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
	(CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
	not %g2.
	as sparc64 block profiling register.
	* config/sparc/sparc.c (sparc_override_options): Allow block
	profiling with -m32.
	(sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
	profiling register.
	* config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
	macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
	* config/sparc/sol2.h (MACHINE_STATE_*): Likewise.

	* config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
	for sparc64.
	* config/sparc/sparc.h: Likewise.
	* config/sparc/xm-sysv4-64.h: Likewise.
	* config/float-sparc.h: Likewise.
	* glimits.h: Likewise.
	* longlong.h: Likewise.

	* config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.

1999-12-14  Bernd Schmidt  <>

	* combine.c (combine_simplify_rtx): Don't make shared rtl.
	(simplify_logical): Likewise.

1999-12-14  Mumit Khan  <>

	* cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
	* cppfiles.c (INO_T_EQ): Likewise.

1999-12-14  Mumit Khan  <>

	* i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
	* i386/mingw32.h (LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	* i386/uwin.h (LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.

	* i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
	* i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.

Mon Dec 13 20:25:29 1999  Jeffrey A Law  (

	* combine.c (combine_simplify_rtx): Fix order of checks for
	(ashiftrt foo C) -> (lt foo (const_int 0)) simplification.

1999-12-13  Clinton Popetz  <>

	* config/arm/  (*mulsidi3adddi, *umulsidi3adddi) Backed out
	12/10/99 change, reapplied to merged-arm-thumb-backend-branch.

1999-12-10  Bernd Schmidt  <>

	* hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
	* regclass.c (inv_reg_alloc_order): New array.
	(regclass_init): If REG_ALLOC_ORDER is defined, initialize it.

	* reload.h (struct insn_chain): Delete fields group_size, group_mode,
	counted_for_groups, counted_for_nongroups.  Add fields rld and
	* reload.c (push_secondary_reload): Don't set nongroup field of
	new reloads.
	(push_reload): Likewise.
	(find_reloads): Delete code to compute nongroup fields.
	* reload1.c (reload_insn_firstobj): New static variable.
	(pseudos_counted, spilled_pseudos): Now of type regset_head.  All
	users changed.
	(calculate_needs, find_tworeg_group, find_group, possible_group_p,
	count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
	dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
	(count_pseudo, select_reload_regs, copy_reloads, find_reg): New
	(struct hard_reg_n_uses): Deleted.
	(potential_reload_regs): Deleted.
	(init_reload): Initialize spilled_pseudos and pseudos_counted.
	(reload): Don't try to allocate reload registers if we already know
	we have to make another pass.  Call select_reload_regs.  Free memory
	starting with reload_firstobj when starting another pass.
	Don't allocate spilled_pseudos.
	(calculate_needs_all_insns): Call copy_reloads for an insn that
	needs reloads; don't call calculate_needs.
	(spill_cost): New static array.
	(used_spill_regs_local): New static variable.
	(order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
	to compute potential_reload_regs.
	(find_reload_regs): Completely rewritten to use find_reg.
	(allocate_reload_reg): Don't test counted_for_groups or
	counted_for_nongroups.  Lose NOERROR arg and code to give an error;
	all cllers changed.
	(choose_reload_regs): Add fallback code that uses the existing
	register allocation from find_reload_regs.

Mon Dec 13 00:54:14 1999  Philippe De Muyter  <>

	* flow.c (create_edge_list): Cast xmalloc return value.

Mon Dec 13 00:47:58 1999  Jeffrey A Law  (

	* doprnt.c: Remove incorrect comment closure.

	* cse.c: Fix a few minor whitespace goofs.

1999-12-13  Don Bowman  <>

	* mips/vxworks.h: Fix problem with comment termination.
	(EXTRA_SECTIONS): Add in_sbss.
	(EXTRA_SECTION_FUNCTIONS): Corresponding changes.

1999-12-12  David S. Miller  <>

	* cse.c (struct cse_reg_info): Add hash_next member,
	reorder rest of struct for better packing on 64-bit
	(cse_reg_info_tree): Kill.
	REGHASH_FN): New custom pow2 hash mechanism.
	(NBUCKETS): Kill.
	use a pow2 hash table.
	(get_cse_reg_info): Rework to use new REGHASH.
	(new_basic_block): Likewise, use HASH_SIZE, and inline
	free_element call.
	(remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
	and inline free_element call.
	(lookup_as_function, insert, flush_hash_table, invalidate,
	remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
	invalidate_for_call, use_related_value, find_comparison_args,
	fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
	(hash_cse_reg_info, cse_reg_info_equal_p, free_element,
	get_element): Kill.

Sun Dec 12 21:31:44 1999  Jeffrey A Law  (

	* cse.c (cse_basic_block): Free qty_table consistently.

1999-12-12  David S. Miller  <>
	    Jakub Jelinek    <>

	* config/sparc/ (movtf reg/reg split): Don't generate
	SUBREGs by hand, gen the appropriate hard reg directly.
	(movtf reg/mem split): Likewise and alter_subreg on destination
	if necessary.
	(movtf mem/reg split): Similarly.
	(movdf_cc_sp64): Rename from hidden pattern.
	(movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
	(movtf_cc_sp64, following split): New pattern and splitter.
	(movdf_cc_reg_sp64): Rename from hidden pattern.
	(movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
	(movtf_cc_reg_sp64, following split): New pattern and splitter.

1999-12-12  Stephen L Moshier <>

	* loop.c (load_mems): Don't hoist written floating point mem
	if -ffloat-store.

1999-12-12  Mark Mitchell  <>

	* except.h (struct eh_queue): Add `next' pointer.
	(struct eh_status): Make x_ehqueue a pointer.
	(push_ehqueue):  Declare.
	(pop_ehqueue): Likewise.
	* except.c (expand_eh_region_end): Adjust now that ehqueue is a
	(expand_fixup_region_end): Likewise.
	(expand_leftover_cleanups): Likewise.
	(push_ehqueue): Define.
	(pop_ehqueue): Likewise.
	(emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
	than doing it inline.
	(expand_start_all_catch):  Adjust now that ehqueue is a
	(mark_eh_queue): Mark all level of the queue.
	(mark_eh_status):  Adjust now that ehqueue is a
	(init_eh_for_function): Allocate ehqueue.
	(free_eh_status): Free it.
	* stmt.c (expand_cleanups): Save the ehqueue around the cleanup
	expansion for a fixup.

1999-12-12  Kaveh R. Ghazi  <>

	* gthr-single.h (__gthread_active_p): Add prototype arguments.

	* libgcc2.c (__udivmoddi4): Remove unnecessary decls.
	(__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
	__bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
	function_ptr, getpagesize, __enable_execute_stack,
	__enable_execute_stack, __clear_insn_cache,
	__enable_execute_stack, __do_global_dtors, __do_global_ctors,
	_cleanup, _exit, __default_terminate, __terminate_func,
	__terminate, __empty, __throw, new_eh_context,
	eh_context_initialize, eh_context_static, eh_context_specific,
	get_eh_context, __get_eh_context, __get_eh_info,
	init_reg_size_table, eh_threads_initialize,
	__get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
	__unwinding_cleanup, throw_helper, __throw, __rethrow,
	__pure_virtual): Add prototype arguments.
	(__bb_exit_func): Cast a sizeof to long when comparing against one.
	Cast a signed value to unsigned long when comparing against one.
	(new_eh_context): Wrap in _GTHREADS macro.
	(__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
	(in_reg_window): Mark parameters with __attribute__ ((__unused__)).
	(throw_helper): Initialize variables `handler_p' and `pc_p'.

1999-12-11  Kaveh R. Ghazi  <>

	* combine.c (record_promoted_value): Remove unused variable

	* emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.

	* global.c (record_conflicts): Likewise for `j'.

	* genoutput.c (output_insn_data): Don't unnecessarily cast away

1999-12-11  Kaveh R. Ghazi  <>

	* i386-protos.h (output_387_binary_op, output_fix_trunc,
	output_fp_compare): Constify a char*.

	* i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
	static prototypes.
	(override_options, ix86_comp_type_attributes, print_operand,
	output_387_binary_op, output_fix_trunc, output_fp_compare):
	Constify a char*.
	(ix86_sched_reorder): Mark parameter `clock_var' with

	* i386.h (DEBUG_PRINT_REG): Constify a char*.

Fri Dec 10 16:12:13 1999  Alexandre Petit-Bianco  <>

	* tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
	operand, for use in the Java front-end.

1999-12-10  Ben Collins  <>

	* Fix typo for "-64" in 64bit as check.
	* configure: Rebuilt.

1999-12-10  Jakub Jelinek  <>

	* longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where

1999-12-10  Kaveh R. Ghazi  <>

	* (string): With -Wtraditional, warn if ANSI string
	concatenation is utilized.

	* invoke.texi (-Wtraditional): Document it.

1999-12-10  Kaveh R. Ghazi  <>

	* flow.c (flow_loops_dump): Avoid ANSI string concatenation.
	Cast a ptrdiff_t to long and pass it to printf with %ld.

1999-12-10  Geoff Keating  <>

	* config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
	68881, we have no 68881 registers at all.
	(HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
	value in a 68881 register if it is available.

1999-12-10  Clinton Popetz  <>

	* config/arm/ (*mulsidi3adddi, *umulsidi3adddi): New patterns
	for long long multiply-accumulate.

1999-12-10  Bernd Schmidt  <>

	* loop.c (insert_loop_mem): Undo last change.

1999-12-10  David S. Miller  <>

	* config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
	New functions.
	* config/sparc/sparc-protos.h: Add them.
	* config/sparc/sparc.h: Add them to PREDICATE_CODES.
	(EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
	constraints which use those helpers.
	(EXTRA_CONSTRAINT): Use this new macro.
	* md.texi: Update sparc target constraints documentation.
	* config/sparc/ (clear_sf, clear_sfp, movsf_const_intreg,
	movsf_const_high, movsf_const_lo, movsf_insn): Delete.
	(movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
	movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
	(movsf high/lo_sum split): Rework for new patterns.
	(movsf expander): Allow storing fp_zero to memory if ! live_g0.

1999-12-09  Gavin Romig-Koch  <>

	* c-common.c (c_common_nodes_and_builtins):
	Create __builtin_ptrdiff_t and __builtin_size_t.

Thu Dec  9 18:05:48 1999  Jeffrey A Law  (

	* pa/elf.h (MAX_OFILE_ALIGNMENT): Define.

Fri Dec 10 00:53:10 1999  J"orn Rennecke <>

	* regclass.c (globalize_reg): Re-instate test that allows
	fixed registers to be declared as a variable even after functions
	are defined.

Fri Dec 10 00:52:13 MET 1999  Jan Hubicka  <>

	* (cpu attribute): Add "athlon".
	(athlon_decode): New attribute.
	(Athlon scheduling units definitions): New.
	(fcmp and shld patterns): Set athlon_decode to "vector".
	* i386.c (athlon_cost): New.
	(m_ATHLON): New.
	(x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
	x86_use_sahf): Set for Athlon.
	(x86_use_fiop): Unset for Athlon.
	(override_options): Define Athlon alignments and "athlon" name.
	(x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
	* i386.h (TARGET_ATHLON): New.
	(enum processor_type): Add PROCESSOR_ATHLON.
	(TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
	(TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.

1999-12-09  Andreas Jaeger  <>

	* loop.c (record_biv): Declare parameter as int.

	* config/i386/i386-protos.h: Declare long_memory_operand.

1999-12-09  Mark Mitchell  <>

	* tree.c (copy_node): Do zero the TREE_CHAIN, even for an

Thu Dec  9 11:36:24 MET 1999 Jan Hubicka  <>

	* (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
	in expander.

	* flow.c (recompute_reg_usage): Use basic block info to get loop_depth.

	* combine.c (try_combine, distribute_notes): Remove REG_N_REFS
	updating code.

1999-12-09  Jakub Jelinek  <>

	* config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
	default on linux64 again.
	* config/sparc/t-linux64: Add mno-app-regs and non-medlow code
	models for multilibing.
	* genmultilib: Accept | as alternative separator within a set in

	* config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.

	* calls.c (precompute_arguments): Make sure initial_value contains
	value pseudo which CSE expects.
	* cse.c (struct set): New entry orig_src.
	(cse_insn): Set it early on entry, use it for libcall EQUIV note

Wed Dec  8 22:24:15 1999  Richard Henderson  <>

	* flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.

1999-12-08  Bernd Schmidt  <>

	* loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.

1999-12-08  Jakub Jelinek  <>

	* config/sparc/sparc.c (ultra_cmove_results_ready_p,
	ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.

	* config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits

	* longlong.h: Merge in changes from glibc.
	Also don't clobber %g2 register in 32bit SPARC assembly, so that
	-mno-app-regs libgcc can be compiled.
	* libgcc2.c: Add defines so that the updated longlong.h
	can be used in libgcc2.a. Also, make sure on most architectures
	(at least on all which have optimized code in longlong.h defined
	for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.

1999-12-08  Alexandre Oliva  <>

	* config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
	`-m EMULATION' is added to non-default LINK_ARCH_SPECs.
	* Use sol2-64.h instead of sol2-sld-64.h if linker
	is GNU ld.
	* configure: Rebuilt.

Wed Dec  8 03:45:40 1999  Richard Henderson  <>

	* alpha.c (secondary_reload_class): For !BWX, sub-simode
	outputs require a register.

1999-12-08  Brendan Kehoe  <>

	* (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
	_df_to_usi.  Required by some targets, so US_SOFTWARE_GOFAST calls to
	functions like dptoul will be resolved.
	(libgcc2.a): Make sure that the object files from DPBIT are named
	differently (prefix `_dp') from those that would be coming from

1999-12-08  Alexandre Oliva  <>,  Jakub Jelinek  <>

	* When target is sparc* and tm_file contains 64,
	test for 64bit support in assembler.  If not supported, remove
	sparc/t-sol2-64 from target-dependent Makefile fragments.
	(AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
	(HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
	(HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
	* acconfig.h (AS_SPARC64_FLAG): Added.
	* configure, Rebuilt.
	* config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
	support.  Use AS_SPARC64_FLAG.

1999-12-07  Jakub Jelinek  <>

	* config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
	suitable for holding OFmode values so that gcc works with complex
	quad long doubles.
	(hard_64bit_mode_classes): Likewise.

	* config/sparc/ (sethi_di_medlow_embmedany_pic): Fix pattern
	so that it is actually matched.
	(sethi_di_medlow): Likewise.

	* config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
	as legitimate constant if -mvis.
	* config/sparc/ (movtf): Likewise.
	(clear_sf): Use const_double_operand.
	(clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.

	* config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
	* config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
	* config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
	routines, _Qp_* cannot be handled like that now.
	* config/sparc/ (cmptf): Accept soft float ARCH64.
	(seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
	sparc_emit_float_lib_cmp if ARCH64 and soft float.
	(extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
	floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
	divtf3, sqrttf3): New expanders.
	(extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
	floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
	addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
	non-_hq patterns.

	* (sparc64-*-linux*): Use posix threads if enabled.
	* configure: Rebuilt.
	* config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
	-mcpu is given and we're doing 64bit compiles.

Tue Dec  7 19:22:06 1999  Richard Henderson  <>

	* loop.h (struct induction): Add multi_insn_incr.
	* loop.c (basic_induction_var): New multi_insn_incr argument.
	Set it if we search back through previous insns for the biv.
	(record_biv): New multi_insn_incr argument; fill in struct induction.
	(strength_reduce): Discard an iv with multiple bivs, any of
	which require multiple insns to increment.

1999-12-07  Martin v. Löwis  <>

	* invoke.texi (C Dialect Options): Remove -flang-c9x, add -std

1999-12-06  David S. Miller  <>

	* combine.c (check_promoted_subreg): Do not conditionalize this	upon

Mon Dec  6 15:12:14 1999  Jim Wilson  <>

	* regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
	and handle REG_UNUSED note on insn.

	* combine.c (force_to_mode, case LSHIFTRT): New local inner_mask.  Set
	inner_mask instead of mask.

1999-12-06  Brendan Kehoe  <>

	* dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
	zero if there was an error.

1999-12-06  Jakub Jelinek  <>

	* config/sparc/ (return_losum_di): Fix typo in asm
	output string.

	* longlong.h: Fix clobbers in SPARC asm statements.

	* config/sparc/sparc.c (input_operand): Allow HImode and QImode
	valid sethi operations when TARGET_ARCH64.

	* calls.c (save_fixed_argument_area): If save_mode is BLKmode,
	always use move_by_pieces to avoid infinite recursion.
	(restore_fixed_argument_area): Likewise.

	* combine.c (check_promoted_subreg, record_promoted_value): New
	(combine_instructions): Use them to retain nonzero and sign bit
	information after SUBREGs are eliminated by optimizations in

	* config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
	.register declaration. Don't use variables with __ prefixes.

Mon Dec  6 12:24:52 1999  Richard Kenner  <>

	* fold-const.c (optimize_bit_field_compare): Only use one mode
	for both RHS and LHS in non-constant case.

1999-12-06  Nathan Sidwell  <>

	* frame.c (start_fde_sort): Only allocate erratic array, if
	linear one was allocated. Return allocated flag.
	(fde_insert): Only insert, if there's a valid array.
	(fde_end_sort): Split, sort and merge if linear and erratic
	arrays exist, else just sort linear one.
	(search_fdes): New function. Linear search through original fde
	(frame_init): Permit multiple initializations. Cope with
	memory shortages.
	(find_fde): Fallback on linear search, if failed to sort array.
	(__deregister_frame_info): Only free sorted array, if we
	allocated it.

1999-12-06  Jakub Jelinek  <>

	* config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.

1999-12-05  Jakub Jelinek  <>

	* config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.

1999-12-05  Mark Mitchell  <>

	* tree.h (special_function_p): Declare.
	* calls.c (special_function_p): Make it global.  Don't take `name'
	as a parameter.  Fix typo in 1999-11-28 change.
	(expand_cal): Adjust.

1999-12-04  Mark Mitchell  <>

	* tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
	* tree.h (EXPR_WFL_FILENAME): Define in terms of
	(EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
	* print-tree.c (print_note): Print TREE_PRIVATE and

	* dwarf2out.c (add_abstract_origin_attribute): Don't abort when
	the original die cannot be found.

	* varray.h (varray_head_tag): Add elements_used.
	(VARRAY_PUSH): New macro.
	(VARRAY_POP): Likewise.
	(VARRAY_TOP): Likewise.
	Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
	* varray.c (varray_init): Initialize elements_used.
	* (BASIC_BLOCK_H): Add varray.h.
	(INTEGRATE_H): New variable.
	(integrate.o): Depend on INTEGRATE_H.
	(unroll.o): Likewise.

	* function.h (insert_block_after_note): Declare.
	* function.c (insert_block_after_note): Split out from ...
	(retrofit_block): ... here.

	* stmt.c (expand_fixup): Fix typo in comment.

Sat Dec  4 14:13:38 MET 1999  Jan Hubicka  <>

	* regmove.c (copy_src_to_dest): Remove loop_depth parameter.
	(optimize_reg_copy_1): Remove REG_N_REFS updating code.
	(optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
	(regmove_optimize, fixup_match_1): Likewise.

1999-12-05  Michael Hayes  <>

	* flow.c (flow_loops_dump): Add missing argument when calling

1999-12-04  Geoffrey Keating  <>
	    Greg McGary  <>

	* c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
	(init_attributes): Add A_NO_LIMIT_STACK.
	(decl_attributes): Handle A_NO_LIMIT_STACK.
	* c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
	* explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
	Handle stack bounds checking.
	* flags.h (flag_stack_check): Use the word 'probe' rather than
	'check', because the flag doesn't actually cause any checking to
	be done.
	* function.c (expand_function_start): Set
	* function.h (struct function): Add limit_stack.
	(current_function_limit_stack): Define.
	* invoke.texi (Code Gen Options): Document new options.
	* rtl.h: Declare stack_limit_rtx.
	* toplev.c (stack_limit_rtx): New variable.
	(decode_f_option): Handle new options -fstack-limit-register=REG,
	-fstack-limit-symbol=IDENT, -fno-stack-limit.
	(main): Add stack_limit_rtx as GC root.
	* tree.h (DECL_NO_LIMIT_STACK): New macro.
	(struct tree_decl): New member no_limit_stack.

	* config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
	* config/rs6000/ (allocate_stack): Handle stack_limit_rtx.
	(conditional_trap+1): Get new mnemonic correct.
	(conditional_trap+2): New pattern for DImode traps.

	* config/m68k/m68k.c (output_function_prologue): Handle
	* config/m68k/ (trap): New insn.
	(conditional_trap): New insn.
	* md.texi (Standard Names): Document `trap' and
	* optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
	so a cc0 setter doesn't get emitted at some random place in the

	* config/i960/ (trap): New insn.
	(conditional_trap): New expander.
	(conditional_trap+1, conditional_trap+2): New insns for signed
	and unsigned cases.
	* config/i960/i960.c (i960_function_prologue): Use
	STARTING_FRAME_OFFSET.  Handle stack_limit_rtx.

Thu Dec  2 21:22:45 1999  Greg McGary  <>
			  Geoffrey Keating  <>

	* flags.h (warn_padded, warn_packed): Add global var decls.
	* toplev.c (warn_padded, warn_packed): Add global var defns.
	(W_options): Add warnings `-Wpacked' and `-Wpadded'.
	* stor-layout.c (layout_record): Add local variable `type'
	to hold often-used TREE_TYPE (field).  Add local variable
	`unpacked_align' to hold alignment that would be in force
	if no `packed' attribute were present.  Warn if `packed' attribute
	is unnecessary, or even harmful.  Warn when gcc inserts padding
	to satisfy alignment requirements of members.  Use NULL_TREE
	when checking whether var_size is set.
	* invoke.texi: Document new flags.

1999-12-03  Nathan Sidwell  <>

	* frame.c (fde_split): Reimplement to avoid variable sized array.

Thu Dec  2 18:59:48 1999  J"orn Rennecke <>

	* combine.c (try_combine): Before fixing up LOG_LINKS for the
	i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.

1999-12-02  Gavin Romig-Koch  <>

	* invoke.texi: Document the mips option -mno-crt0

1999-12-02  Mike Karr  <>

	* cccp.c (argdata): Added free_ptr member.
	(macroexpand): Initialize free_ptr of each argument. When an
	argument's buffers are freed, if the argument's free_ptr corresponds
	to a buffer on the input stack, then return the free_ptr to that stack
	frame, otherwise, free it.
	(macarg): If an argument begins and ends on the same input stack level,
	then transfer the free_ptr of that buffer to the argument in case
	the stack is popped during the processing of a subsequent argument.

1999-12-02  Bernd Schmidt  <>

	* loop.c (note_reg_stored): New function.
	(struct note_reg_stored_arg): New structure.
	(try_copy_prop): Change to be more conservative; only replace within
	one extended basic block and stop replacing if a store to the
	replacement reg is seen.

1999-12-02  Nick Clifton  <>

	* config/fp-bit.c: Initialize all fields of the NAN

	* c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc

Wed Dec  1 18:16:38 1999  Jan Hubicka  <>

	* (extend?f?f2): Force the input into a register, not
	the output.

1999-12-01  Jakub Jelinek  <>

	* config/sparc/ (movsf_const_intreg): Add constraints for
	regclass' sake.
	(movdf_const_intreg_sp32): Likewise. Prefer the memory load
	alternative because setting up 64bit constant is usually costly,
	especially when reload is in progress or completed.
	(movdf_const_intreg_sp64): Likewise.
	(movdf_const_intreg split): Fix building up constants when
	HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.

Wed Dec  1 16:51:22 1999  Jeffrey A Law  (

	* combine.c (if_then_else_cond): Use const_true_rtx instead of
	const1_rtx for return values in EQ/NE comparison against (const_int 0)

	* mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
	(asm_file_start): Emit .am33 into assembly file when compiling for
	the AM33.
	(print_operand_address): Handle POST_INC addresses.
	(can_use_return_insn, initial_offset): Check AM33 registers too.
	(expand_prologue): Check & save AM33 registers too.
	(expand_epilogue): Similarly.
	(secondary_reload_class): Handle AM33 specific secondary reloads.
	(output_tst): Emit efficient code for the AM33 too.
	* mn10300.h (CPP_SPEC, TARGET_AM33): Define.
	(TARGET_SWITCHES): Add -mam33 switch.
	(FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
	(enum reg_class, REG_CLASS_NAMES): Likewise.
	(GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
	(GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
	* (movqi, movhi, addsi, subsi): Add AM33 variants.
	(mulsi, andsi, iorsi, xorsi, notsi): Likewise.
	(ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
	(zero_extend to SI from QI/HI): Likewise.
	(sign_extend to SI from QI/HI): Likewise.
	(mulsidi3, umulsidi3): New patterns for the AM33.
	(tstsi with zero extension from QI/HI): Add AM33 variants.
	(movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
	(return_internal_regs, store_movm): Handle new AM33 registers.
	* invoke.texi: Document new flags.

Fri Nov 26 10:59:12 CET 1999  Jan Hubicka  <>

	* (addsi3_cc): Add "binary_operator_ok" to the condition.
	(addsi3_carry): Likewise.
	(sbbsi3_cc): Add "binary_operator_ok" to the condition.
	(sbbsi3_carry): Likewise.
	(mulsi3): Rewrite to expander, ensure that only one operand is memory.
	(mulhi3): Likewise.
	(test?i_1): Ensure that only one operand is memory.
	(conditional move patterns): likewise.
	(shift and rotate patterns): Rewrite to expander, add
	"binary_operator_ok" to the condition.

	* (QImode patterns): Remove '*' before the 'r' constraints.
	* i386.h (procesor_costs): Add movzbl_load field.
	non-Q registers, accept DImode registers anywhere.
	(Q_CLASS_P): New.
	(MEMORY_MOVE_COST): Calculate QImode moves correctly.
	* i386.c (*_cost): Set value for movxbl_load field.

	* (addsi): New add to lea splitter.
	(ashlsi): Likewise.
	(lea to add/shift peep2): New.

1999-12-01  Mark Salter <>

	* config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
	* config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
	* config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.

Tue Nov 30 15:20:52 MET 1999  Jan Hubicka  <>

	* i386.c (ix86_expand_move): Never add clobbers to move patterns.
	* (movsi_xor): New.
	(movsi_or): New.
	(movsi_1, movhi_1, movqi_1): Remove.
	(movsi_2): Rename to movsi_1.
	(movhi_2): Rename to movhi_1.
	(movqi_2): Rename to movqi_1.
	(movdi_1): Remove; remove splitter.
	(movdi_2): Rename to movdi_1.
	(divmodsi4 splitter): Do not emit clobbers for move patterns.
	(long move peep2): Do not create QI or HI mode mov0s
	(mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.

	* (zero_extend?i?i2): Rewrite to expanders; new patterns,
	rewrite splitters.

	* (neg?f2_if): Split "r" and "f" to separate alternatives.
	(abs?f2_if): Likewise.

1999-11-30  Alex Samuel  <>

	* ggc.h (ggc_test_and_set_mark): New macro.
	(ggc_mark_rtx): Use ggc_test_and_set_mark.
	(ggc_mark_tree): Likewise.
	(ggc_mark_rtvec): Likewise.
	* ggc-common.c (ggc_mark_rtx_children): Reduce recursion.

1999-11-30  Jason Merrill  <>

	* dwarf2out.c (scope_die_for): Only handle types.  Only search for
	containing types.
	(decl_scope_table): Just an array of trees now.
	(push_decl_scope): Simplify.
	(dwarf2out_init): Adjust.
	(local_scope_p): New fn.
	(gen_inlined_enumeration_type_die): Don't call scope_die_for.
	(gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
	(gen_typedef_die): Likewise.
	(gen_lexical_block_die): Don't call push/pop_decl_scope.
	(gen_inlined_subroutine_die): Likewise.
	(gen_abstract_function): Set current_function_decl temporarily.
	(gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
	Handle block extern declarations.  Don't call push/pop_decl_scope.
	(gen_decl_die): Fix logic for block externs.

1999-11-30  Kaveh R. Ghazi  <>

	* calls.c (special_function_p): Remove `realloc' and add `strdup'
	to the list of functions which have attribute malloc by default.

1999-11-30  Kaveh R. Ghazi  <>

	* c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
	integer constant does not match the traditional type, limit the
	warnings to cases where the base of the type is ten.

	* invoke.texi (-Wtraditional): Document it.

Tue Nov 30 15:18:35 1999  Franz Sirl  <>

	* combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
	* Only access a CONST_INT with INTVAL

Tue Nov 30 14:21:00 1999  Richard Henderson  <>

	* lcm.c (compute_laterin): Cast bb->aux to size_t not int.
	(compute_nearerout): Likewise.
	* ggc-page.c (ggc_page_print_statistics): Explicitly cast
	size_t to unsigned long for formatting.

1999-11-30  Jakub Jelinek  <>

	Allow the user to override call-used/fixed state of %g2-5
	registers from the command line (with the exception of %g4 for
	embedded model).
	(REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
	there is a higher chance of having a leaf function.
	for ARCH64 which has %ccr register.
	* config/sparc/ (return_losum_si, return_losum_di): New
	* config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
	insn accept into delay slot any insn which does not use %[ol]
	registers.  Accept some LO_SUM and shift left by 1 for the normal
	restore case.
	(output_function_epilogue): Likewise.
	(epilogue_renumber): Added argument which inhibits any renumbering
	and just tests if the rtx does not use any %[ol] registers.
	(output_return): Reflect above change.

1999-11-30  Jakub Jelinek  <>

	* config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
	aggregate passing for sizes <= 16 bytes.

1999-11-30  Bernd Schmidt  <>

	* cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
	* global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
	* reload.c (find_dummy_reload): Likewise.
	(find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
	* reload1.c (reload_as_needed): Likewise.
	* stupid.c (stupid_find_reg): Likewise.
	* tm.texi (Obsolete Register Macros): Delete section.
	* gmicro.h: Remove all traces of the two macros.
	* i386.h: Likewise.
	* m88k.h: Likewise.
	* mips.h: Likewise.

1999-11-30  Brendan Kehoe  <>

	(TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
	(ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
	* (sparclite86x_branch, sparclite86x_shift): New function
	units for the sparclite86x chip.
	(flush): Revert October 14th change; add SImode specifically.
	(flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
	* invoke.texi: Document it.

Tue Nov 30 14:58:14 1999  Nick Clifton  <>

	* config/mn10200/mn10200.h (PREDICATE_CODES): Add

	* config/mn10200/mn10200.c (psimode_truncation_operand): New
	function.  Return true if the operand is either a MEM valid
	for a PSImode address or not a MEM at all.

	* config/mn10200/ (truncsipsi2): Use

1999-11-30  Michael Hayes  <>

	* flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
	(flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
	(flow_loop_exits_find, flow_loop_nodes_find): Likewise.
	(flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
	(flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
	(flow_loop_level_compute, low_loops_level_compute): Likewise.
	(flow_loops_find, flow_loop_outside_edge_p): Likewise.
	* basic-block.h: Protect from multiple inclusion.
	(flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
	(struct loops, struct loop): Define structures.
	* sbitmap.c (sbitmap_a_subset_b_p): New function.
	* sbitmap.h: Protect from multiple inclusion.
	(sbitmap_a_subset_b_p): Add prototype.
	* (LOOP_H): New macro.
	(stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.

Tue Nov 30 01:34:47 1999  Philippe De Muyter  <>

	* cppinit.c (CAT): The argument list of this macro may not contain
	spaces !

1999-11-29  David S. Miller  <>

	Move quantity tables and register equivalence chains into
	per-qty and per-register structure arrays respectively.
	* cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
	qty_const_insn, qty_comparison_code, qty_comparison_const,
	qty_comparison_qty): Delete, replace with...
	(qty_table): this structure table.
	(reg_next_eqv, reg_prev_eqv): Delete, replace with...
	(reg_eqv_table): this structure table.
	(make_new_qty): Add argument MODE.  Caller updated.
	Update to use qty_table and reg_eqv_table.
	(make_regs_eqv, delete_reg_equiv, insert_regs,
	insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
	fold_rtx, equiv_constant, record_jump_cond, cse_insn,
	cse_process_notes, cse_main, cse_basic_block): Likewise.

Mon Nov 29 16:56:42 1999  Richard Kenner  <>

	* fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
	operation if C is negative.
	(extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
	(extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
	law for some divisions if constant is negative and change other
	divisions to the opposite rounding.

	* expr.c (store_constructor_field): If bit position is not multiple
	of alignment of TARGET's mode, use BLKmode.

	* expr.c (expand_expr_unaligned): Add more code from full case
	that is needed when OP0 is in a register.

Mon Nov 29 18:09:39 1999  J"orn Rennecke <>

	* dwarfout.c (field_byte_offset): Size can be zero if there was
	an error.

1999-11-29  Bernd Schmidt  <>

	* fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
	(associate_trees): Delete unused var TEM.
	(extract_muldiv): Delete unused var CANCEL_P.

	(target_isinf, target_isnan, target_negative): Add return types to
	function definitions.

1999-11-29  Bruce Korb  <>

	* fixinc/fixincl.c(process): don't skip GLIBC files any more.
	* fixinc/hackshell.tpl: ditto
	* fixinc/fixtests.c(double_slash_test): more C++ header testing
	* fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach

1999-11-29  Bernd Schmidt  <>

	* reload.c (push_reload): When looking for a register to put into
	reg_rtx, make sure all hard regs in a multi-reg register are in the
	right class and nonfixed.

	* haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
	pending_read_insns, pending_write_insns, pending_read_mems,
	pending_write_mems, pending_list_length, last_pending_memory_flush,
	last_function_call, sched_before_next_call): Move static variables
	into a structure.
	(bb_ prefixed versions): Replace with single array bb_deps.
	(struct deps): New structure.
	(add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
	sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
	argument of type "struct deps *"; use that instead of global
	variables.  All callers changed.
	(init_rgn_data_dependencies): Delete function.
	(init_rtx_vector): Delete function.
	(init_deps): New function.

	(free_pending_lists): Simplify, we always use the bb_deps array even
	if only one basic block.
	(compute_block_backward_dependences): Likewise.
	(schedule_region): Likewise.

	(propagate_deps): New function, broken out of
	(compute_block_backward_dependences): Use it.

	* Delete useless patterns that tried to work around
	register elimination problems.

	* unroll.c (loop_iterations): Don't abort if iteration variable
	was made by loop.

	From Joern Rennecke:
	* reload1.c (reloads_conflict): Reverse test comparing operand
	numbers when testing for conflict between output/outaddr reloads.

1999-11-29  David S. Miller  <>

	* config/sparc/sparc.c (init_cumulative_args): Fix type of third
	* config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.

1999-11-28  Robert Lipe  <>

	* i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
	table from .fini into .dtor.

1999-11-28  Anthony Green  <>

	* tree.h (struct tree_decl): Add malloc_flag.
	(DECL_IS_MALLOC): Define.
	* c-common.c (attrs): Add A_MALLOC attribute.
	(init_attributes): Add this attribute to the table.
	(decl_attributes): Handle malloc attribute.
	* calls.c (special_function_p): Check for the malloc attribute.
	* extend.texi (Function Attributes): Document malloc attribute.

Sun Nov 28 13:21:00 1999  Jeffrey A Law  (

	* (reload shift-add patterns): Remove.

1999-11-28 Herman A.J. ten Brugge <>

	* reorg.c (dbr_schedule) Print more statistics. Corrected
	problem when printing info when 3 delay slots are filled.

1999-11-28  Jakub Jelinek  <>

	* combine.c (setup_incoming_promotions): Pass an outgoing
	regno to FUNCTION_ARG_REGNO_P which it expects.

1999-11-28  Andreas Jaeger  <>

	* mips/linux.h (CPP_PREDEFINES): Undefine before redefining.

Sun Nov 28 00:48:15 1999  Philippe De Muyter  <>

	* cccp.c (do_include): Avoid initialization of automatic variable.

	* integrate.c (mark_stores): Function definition made void, to match
	previous declaration.
	* regclass.c (dump_regclass): Ditto.
	* (WARN_CFLAGS): Macro augmented by `-Wtraditional'.

Sat Nov 27 08:38:26 1999  Richard Kenner  <>

	* expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
	known to be multiple of divisor.

	* expr.c (store_constructor): Don't clobber TARGET if CLEARED.

	* combine.c (try_combine): Add code to try to merge a set of a
	two-word pseudo to a constant with a setting of one of those words
	to a constant.

	* fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
	(split_tree): Completely rework to make more general.
	(make_range, fold): Call negate_expr.
	(fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
	(fold, associate): Call new split_tree and associate_trees.
	(fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.

1999-11-26  Bernd Schmidt  <>

	* loop.c (try_copy_prop): Avoid GNU C extension.

1999-11-25  Mark Mitchell  <>

	* except.c (init_eh_for_function): Still zero eh_return_context,
	eh_return_stack_adjust, and eh_return_handler.

	* except.h (eh_status): Adjust documentation for x_protect_list.
	(begin_protect_partials): New function.
	* except.c (enqueue_eh_entry): Fix formatting.
	(get_first_handler): Add consistency check.
	(add_partial_entry): Adjust usage of protect_list.
	(emit_cleanup_handler): Save and restore ehqueue.
	(expand_start_all_catch): Add comment.
	(begin_protect_partials): New function.
	(end_protect_partials): Adjust usage of protect_list.
	(init_eh_for_function): Use xcalloc.

1999-11-25  Kaveh R. Ghazi  <>

	* c-common.c (check_format_info): Don't call a variadic function
	with a non-literal format string.

	* c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.

	* c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
	pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):

	* cccp.c (check_macro_name, do_xifdef, vwarning_with_line):

	* collect2.c (collect_wait): Likewise.

	* dbxout.c (dbxout_type): Likewise.

	* gcc.c (do_spec_1): Likewise.

	* genemit.c (gen_insn, gen_expand): Likewise.

	* genrecog.c (write_switch, write_subroutine): Likewise.

	* mips-tfile.c (catch_signal, botch): Likewise.

	* print-rtl.c (print_rtx): Likewise.

	* toplev.c (default_print_error_function, report_error_function,
	_fatal_insn): Likewise.

1999-11-25  Mark Mitchell  <>

	* tree.c (unsave_expr_now): Handle NULL_TREE as input.

Wed Nov 24 17:08:09 MET 1999  Jan Hubicka  <>

	* reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
	operations when needed.
	* (fop_?f_comm): New.
	(fop_?f_1): Do not accept commutative operands.

1999-11-25  Andreas Jaeger  <>

	* config/mips/ (casesi_internal): Add missing brace.

1999-11-25  Jason Merrill  <>

	* dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
	(splice_child_die): Handle moving a child DIE from the declaration
	DIE of a class to its specification.
	(gen_struct_or_union_type_die): Use 'complete' consistently.
	(gen_decl_die): Generate the virtual context DIE first.
	Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.

1999-11-24  Gavin Romig-Koch  <>

	* config/mips/ (call_value_multiple_interanal1): New.

1999-11-24  Jason Merrill  <>

	* dwarf2out.c (free_AT, free_die): New fns.
	(remove_children): Call them.
	(output_line_info): Disable removal of duplicate notes.

	Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
	* dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
	means pretend the type isn't defined.
	Don't defer emitting types.
	(gen_type_die_for_member): New fn.
	(gen_decl_die): Call it.
	(splice_child_die): New fn.
	(gen_member_die): Call it rather than generate duplicate dies.

	Defer emitting information for the abstract instance of an inline
	until we either inline it or emit an out-of-line copy.
	* dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
	from output_inline_function if DECL_ABSTRACT is also set.
	(block_ultimate_origin): Likewise.
	(gen_abstract_function): New fn.
	(gen_decl_die, gen_inlined_subroutine_die): Call it.
	(gen_subprogram_die):  An abstract instance is not a declaration
	just because it doesn't match current_function_decl.  Don't abort
	because DECL_DEFER_OUTPUT isn't set.  Do abort if a declaration
	has an abstract origin.
	* toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
	abstract instance here.

Wed Nov 24 18:39:18 1999  Andrew Haley  <>

	* config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
	where we need to reload fpul from a system register.

1999-11-24  Andreas Jaeger  <>

	* config/mips/linux.h (CPP_PREDEFINES): Added.
	(LINK_SPEC): Remove -Y since this is only needed on sparc.

1999-11-24  Andreas Jaeger  <>

	* config/mips/linux.h (TARGET_VERSION): Added.

Wed Nov 24 14:12:15 MET 1999  Jan Hubicka  <>

	* local-alloc.c (qty): New structure and static variable.
	(qty_phys_reg): Remove, all references changed to qty.
	(qty_n_refs): Likewise.
	(qty_min_class): Likewise.
	(qty_birth): Likewise.
	(qty_death): Likewise.
	(qty_size): Likewise.
	(qty_mode): Likewise.
	(qty_n_calls_crossed): Likewise.
	(qty_alternate_class): Likewise.
	(qty_changes_size): Likewise.
	(qty_first_reg): Likewise.
	(alloc_qty): Rename variable QTY to QTYNO.
	(finf_free_reg): Likewise.
	(local_alloc): Allocate qty, do not allocate the removed variables.

Wed Nov 24 17:26:05 1999  Geoffrey Keating  <>

	* config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
	when -membedded-pic is passed.

	* config/mips/ (casesi): Handle 64-bit case too.
	(casesi_internal_di): New insn.

	* config/mips/mips.c (embedded_pic_offset): Always make the
	embedded-pic subtractions relative to the name of the current
	function by use of the magic string "..CURRENT_FUNCTION".
	* config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.

1999-11-24  Geoffrey Keating  <>

	* config/mips/ (div_trap_normal): Don't ask for the REGNO
	of (const_int 0), when what we really care about is
	whether it's a zero constant anyway.
	(div_trap_mips16): Likewise.

1999-11-23  Mark Mitchell  <>

	* loop.c (loop_optimize): Always find_loop_tree_blocks and
	unroll_block_trees when generating debuggable code.

	* tree.h (unsave_expr_1): New function.
	(lang_unsave): New variable.
	(get_callee_fndecl): New function.
	* tree.c (unsave_expr_now_r): New function.
	(lang_unsave): Define.
	(unsave_expr_1): Likewise.
	(unsave_expr_now_r): Split out from unsave_expr_now.
	(unsave_expr_now): Call lang_unsave if it is non-NULL.  Otherwise,
	call unsave_expr_now_r.
	(get_callee_fndecl): Define.

	* (gencheck): Don't depend on lang_tree_files.
	(gencheck.o): Do depend on lang_tree_files.

	* integrate.h (copy_decl_for_inlining): New declaration.
	* integrate.c (copy_and_set_decl_abstract_origin): Remove.
	(copy_decl_for_inlining): New function.
	(integrate_parm_decls): Use it.
	(integrate_decl_tree): Likewise.

1999-11-23  Gavin Romig-Koch  <>

	* config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
	the second two from the first.
	* config/mips/ (movcc,reload_incc,reload_outcc,
	conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
	* config/mips/mips.c (mips_move_1word,gen_conditional_branch,
	override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than

Tue Nov 23 11:15:04 1999  Jeffrey A Law  (

	* (call_internal_symref, call_value_internal_symref): No mode
	needed on the address operand.
	* pa.c (call_operand_address): Check for the correct mode.

1999-11-23  Bernd Schmidt  <>

	* loop.c: Include "basic-block.h".
	(try_copy_prop, replace_loop_reg): New functions.
	(load_mems): Detect registers that just hold copies of the hoisted
	mem, and call try_copy_prop to eliminate them.
	* (loop.o): Update dependencies.

Tue Nov 23 01:03:29 1999  Hans-Peter Nilsson  <>

	* (gencheck.o): Depend on gencheck.h.
	(insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
	(insn-peep.o): Depend on except.h and function.h.
	(insn-attrtab.o): Depend on RECOG_H.
	(insn-output.o): Depend on toplev.h and flags.h.
	(gengenrtl.o): Depend on real.h.
	(gen-protos.o): Depend on cpplib.h and cpphash.h.
	Unify all dependencies to be on RECOG_H rather than recog.h.

Tue Nov 23 00:57:10 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
	* Try building a bi-arch 32/64-bit compiler on
	sparc-*-solaris2.7 and higher.
	* configure: Rebuild.

Mon Nov 22 23:09:44 1999  David O'Brien  <>

	* config/freebsd.h: New, FreeBSD architecture independent file.
	* config/i386/freebsd-elf.h: removed FreeBSD architecturally
	independent pieces.
	* config/i386/freebsd.h: include i386/perform.h via tm.h rather than
	directly by i386/freebsd.h.
	* (*-*-freebsdelf): Include new FreeBSD architecturally
	independent configuration file.
	(*-*-freebsdelf): Include i386/perform.h via tm.h rather than
	directly by i386/freebsd.h.
	* configure: Rebuilt.

	* xm-i386.h: Define `__i386__' if not defined, rather than `i386'
	which is in the user's namespace.
	* libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
	`i386' which is not in our namespace.

Mon Nov 22 22:58:01 1999  "R. Kelley Cook" <>

	* invoke.texi (ARM Options): Add in -mno-alignment-traps

1999-11-22  Jason Merrill  <>

	* dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
	(add_dwarf_attr, add_child_die): Just push onto the front.
	(reverse_die_lists): New fn.
	(add_sibling_attributes): Use it.
	(push_decl_scope): Reorganize.
	(add_name_and_src_coords_attributes): Don't set file and line for
	an artificial decl.
	(gen_subprogram_die): An artificial function doesn't need to match
	file and line.
	(gen_compile_unit_die): Return the generated die.  Only add
	AT_comp_dir if the filename is relative.
	(remove_AT): Simplify loop.  Also free string values.
	(output_die): A DIE ref can't be null.
	(output_value_format, value_format): Take a dw_attr_ref.
	(dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
	(AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
	AT_addr, AT_lbl): New fns.
	(various): Use them.
	(various): Constify.

Mon Nov 22 23:53:50 1999  J"orn Rennecke <>

	* combine.c (combine_simplify_rtx): When handling a SUBREG,
	take SUBREG_WORD into account.
	(if_then_else_cond): Likewise.

1999-11-22  Jason Merrill  <>

	* gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
	clause from BSD license, pursuant with

1999-11-22  Bernd Schmidt  <>

	* loop.c (load_mems): Reformat slightly.
	* basic-block.h (regset_head): New typedef.
	(INIT_REG_SET): New macro.

1999-11-22  Bruce Korb  <

	* fixinc/*-linux): disable script, run fixincl exe
	(mips-dec-bsd*): non-functional code
	(alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"

	* fixinc/inclhack.def(AAB_fd_zero_glibc_*):
	added three replacement fixes
	(no_double_slash): removed comments that are not (any longer) pertinent
	(bad_lval): this fix currently runs against many files.
	The comment seems to indicate that we should select for files
	containing 'pragma extern_prefix'.

	* fixinc/fixinc.x86-linux-gnu: deleted
	* fixinc/  regen
	* fixinc/fixincl.x:  regen
	* fixinc/  regen

Fri Nov 12 14:08:40 1999  Andrew Haley  <>

	* emit-rtl.c (gen_sequence): Only return the pattern of an insn if
	its code is INSN and it has no notes.

1999-11-22  Andrew Haley  <>

	* varasm.c (function_defined): Remove.
	(make_function_rtl): Don't set function_defined.
	(make_decl_rtl): Remove global register warning.
	* regclass.c (no_global_reg_vars): New variable.
	(globalize_reg): Warn if function has already been defined.
	(regclass_init): Set no_global_reg_vars.

Mon Nov 22 14:42:22 MET 1999  Jan Hubicka  <>

	* regclass.c (reg_pref): New structure and static variable
	(prefclass): Delete.
	(altclass): Delete.
	(all uses of prefclass and altclass): Use reg_pref instead.

1999-11-21  Nick Clifton  <>

	* invoke.texi (ARM Options): Replace -mshort-load-bytes with
	(arm.h): Replace -mshort-load-bytes with -malignment-traps.

Sun Nov 21 17:11:13 1999  Geoffrey Keating  <>

	* varasm.c (output_constructor): Solve problem with long long
	bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).

Fri Nov 19 05:48:45 CET 1999  Jan Hubicka  <>

	* global.c (allocno): New structure and static variable.
	(allocno_reg): Remove, all references replaced by allocno.
	(allocno_size): Likewise.
	(hard_reg_conflicts): Likewise.
	(hard_reg_preferences): Likewise.
	(hard_reg_copy_preferences): Likewise.
	(hard_reg_full_preferences): Likewise.
	(regs_someone_prefers): Likewise.
	(allocno_calls_crossed): Likewise.
	(allocno_n_refs): Likewise.
	(allocno_live_length): Likewise.
	(find_reg): Rename ALLOCNO to NUM.

	* regclass.c (may_move_in_cost): Rename from may_move_cost, all
	references updated.
	(may_move_out_cost): New variable.
	(init_reg_sets_1): Initialize may_move_out_cost.
	(record_reg_classes): Use may_move_out_cost.

	* regclass.c (dump_regclass): New function.
	(regclass): New parameter DUMP, call DUMP_REGCLASS.
	* toplev.c (rest_of_compilation): Open lreg dump file before regclass,
	pass rtl_dump_file to regclass.
	* rtl.h (regclass): Update prototype.

Fri Nov 19 06:32:19 CET 1999  Jan Hubicka  <>

	* (neg, not and abs patterns): Revmap to use
	ix86_expand_unary_operator and ix86_unary_operator_ok.
	(add?f and sub?f expanders): Force operand 1 to register.
	* i386.c (ix86_expand_unary_operator): Rewrite.
	(ix86_unary_operator_ok): Ensure that memory operands
	match real opcode.
	(ix86_binary_operator_ok): Do not allow operand 1 to
	come into memory and operand 0 not.
	(ix86_expand_binary_operator): Ensure that
	src1 is not non-matching memory.

	* (negs?2): Rewrite to expanders, new patterns and splitters
	to support integer registers and memory.
	(abss?2_integer): Likewise.

	* i386.h (enum reg_class): Add FLOAT_INT_REGS.
	(REG_CLASS_NAMES): Likewise.
	* (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
	(movsf): Likewise; unify 4th and 5th alternative.
	(pushdf): Likewise.
	(movdf_1): Likewise; rename to movdf_integer.
	(pushxf): Likewise; rename to pushxf_integer; fix output template;
	remove redundant splitter.
	(movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
	(movdf_nointeger): New.
	(movxf_nointeger): New.
	(pushxf_nointeger): New.

	* (extend?f?f): Split to expander and pattern, refuse two
	memory operands in patterns.
	(fop*): Refuse two memory operands.

	* (ashrsi3_31): Allow cltd when optimizing for size even

Fri Nov 19 10:41:15 GMT 1999  Nathan Sidwell  <>

	* extend.texi: Document C++ restricted pointers and references.

1999-11-19  Bernd Schmidt  <>

	* cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
	(invalidate_skipped_set): Call it unconditionally.
	(cse_set_around_loop): Likewise.

Thu Nov 18 17:29:34 MST 1999	Diego Novillo <>

	* rtl.texi (mem): Add documentation for alias-set argument
	to RTX `mem'.

Fri Nov 18 13:39:22 CET 1999  Jan Hubicka  <>

	* i386.h (struct_processor_costs): New fields int_load, int_store,
	fp_move, fp_load and fp_store
	(REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
	fp->int moves
	(MEMORY_MOVE_COST): New macro.
	* i386.c (386_cost): Define new fields.
	(i486_cost): Likewise.
	(pentium_cost): Likewise.
	(pentiumpro_cost): Likewise.
	(k6_cost): Likewise.

Fri Nov 19 11:11:55 1999  Greg McGary  <>
			  Geoffrey Keating  <>

	* config/m68k/m68kelf.h: Suppress '/* within comment' warning.

	* config/m68k/m68k.h (MASK_PCREL): Don't use same value as

	* config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
	(TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
	* invoke.texi (M680x0 Options): Document -mstrict-align.

Thu Nov 18 11:10:03 1999  Jan Hubicka  <>
			  Richard Henderson  <>

	* i386-protos.h (split_xf, ix86_split_movdi): Remove.
	(ix86_split_long_move): Declare.
	* i386.c (split_xf, ix86_split_movdi): Remove.
	(ix86_split_to_parts, ix86_split_long_move): New.
	* (dimode move splitters): Use ix86_split_long_move.
	(dfmode move splitters): Likewise.
	(xfmode move splitters): Likewise.
	(movsf_1): Allow F->r.
	(movdf_1, movxf_1): Allow F->ro.

1999-11-17  Mark Mitchell  <>

	* except.h (struct eh_entry): Add goto_entry_p.
	(eh_region_from_symbol): Remove prototype.
	* except.c (find_func_region_from_symbol): New function.
	(emit_cleanup_handler): Likewise.
	(eh_region_from_symbol): Make it static.
	(add_new_handler): Verify the argument.
	(find_func_region): Update comment.
	(expand_eh_region_end): Expand handlers here, rater than waiting
	until expand_leftover_cleanups or start_all_catch.
	(expand_leftover_cleanups): Don't expand here.
	(expand_start_all_catch): Or here.
	(expand_rethrow): Check the return value from find_func_region.
	* function.c (expand_function_end): Emit the catch_clauses.

1999-11-18  Gavin Romig-Koch  <>

	* integrate.c (expand_inline_function): Add necessary check for NULL.

1999-11-18  Nick Clifton  <>

	* toplev.c (main): Correctly detect an unrecognized option.

	* cppinit.c (cpp_handle_option): Do not claim to have consumed
	a -f option if it has not been recognized.

Thu Nov 18 00:59:11 1999  Michael Gschwind  <>

	* basic-block.h (update_life_extent): Remove trailing comma on
	enumeration type list.

1999-11-18 Herman A.J. ten Brugge <>

	* varasm.c (output_constructor) Solved problem with long long
	bitfields. Corrected calculating this_time and shift. Also
	corrected calculating mask when BITS_PER_UNIT == 32 (c4x).

Wed Nov 17 23:46:14 1999  Jeffrey A Law  (

	* flow.c (split_edge): Take looping structure into account when
	determining where to put the new block note.

Wed Nov 17 20:42:43 1999  Jeff Holcomb  <>

	* (ggc-none.o): Provide host specific version if

Wed Nov 17 16:51:23 1999  Richard Henderson  <>

	* cse.c (delete_trivially_dead_insns): Identify no-op insns
	containing subregs too.

Wed Nov 17 17:39:48 MST 1999	Diego Novillo <>

	* invoke.texi: Add documentation for -muninit-const-in-rodata.
	* config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
	(text_section): Add switches -munint-const-in-rodata and
	(ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
	const objects should be placed in read-only data. Otherwise declare
	them in common.

Wed Nov 17 16:38:32 1999  Richard Henderson  <>

	* jump.c (jump_optimize_1): Revert last change.

Wed Nov 17 15:18:30 1999  Richard Henderson  <>

	* jump.c (jump_optimize_1): Don't try to duplicate the loop exit
	test if optimizing for size.

1999-11-17  Mark Mitchell  <>

	* (toplev.o): Depend on except.h.
	(dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.

Mon Nov 15 22:45:39 CET 1999  Jan Hubicka  <>

	* (divmodsi4): Rewrite to expander.
	(*divmodsi4_nocltd): New.
	(*divmodsi4_cltd): New.
	(divmodsi4 splitter): Handle the case when input comes in edx.
	(udivmodhi4): Do not use constraints in exander.
	(ashrsi3_31): Conditionize by TARGET_USE_CLTD.

1999-11-17  Jason Merrill  <>

	* dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
	for the common case.

1999-11-16  Jakub Jelinek  <>

	* explow.c (hard_function_value): Add outgoing argument.
	* expr.h (hard_function_value): Declare it.
	* calls.c (expand_call, emit_library_call_value): Update callers.
	* function.c (aggregate_value_p): Ditto.
	(diddle_return_value): Must look at the outgoing registers
	on archs with register windows.

Mon Nov 15 20:46:45 1999  Richard Henderson  <>

	* alpha.c (alpha_build_va_list): Use make_lang_type and
	initialize TYPE_NAME for the va_list record.

	* flow.c (calculate_global_regs_live): Zero bb->aux to begin.

	* ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
	for printing.
	* ggc.h (struct ggc_statistics): Rearrange elements for better
	packing on 64-bit hosts.
	* lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
	(compute_nearerout): Likewise.

Tue Nov 16 14:37:52 1999  Geoffrey Keating  <>

	* config/rs6000/rs6000.c (first_reg_to_save): Save
	PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.

1999-11-15  Jason Merrill  <>

	* dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
	notion of nesting to find the DIE for a type or function.
	DIEs can go in limbo even if we got a context_die.
	(push_decl_scope): Our context doesn't need to be in decl_scope_table.
	(gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
	for local type.
	(gen_decl_die): Ignore NAMESPACE_DECLs for now.
	(gen_type_die): Writing out the context doesn't cause member class
	template instantiations to be written out as well.

Mon Nov 15 15:33:18 1999  Richard Henderson  <>

	* rs6000.h (ASM_OUTPUT_DEF): New.
	Based on proposed addition from David Edelsohn.

1999-11-15  Robert Lipe  <>
	    Bruce Korb  <>

	* fixinc/inclhack.def
	(AAB_svr4_replace_byteorder): added.  Takes advantage of GCC features
	(unixware7_byteorder_fix): added.  Removes conflicts for new defs
		in net/inet.h.
	(svr5_mach_defines): added.  Like svr4_mach_defines, with new syntax
	(svr4_endian): enabled with SVR5
	(svr4_mkdev): simplified syntax and enabled with SVR5

Sun Nov 14 18:49:37 1999  David O'Brien  <>

	* Handle libgcc2 threads support on FreeBSD platforms.
	* configure: Rebuilt.
	* config/t-freebsd-thread: New file.

Sun Nov 14 23:11:05 1999  Jeffrey A Law  (

	* i386.c (ix86_decompose_address): Verify the base is a REG
	before trying to examine its register number.

	* basic-block.h: Remove all #defines and prototypes related to
	integer lists.
	(free_bb_mem, compute_preds_succs): Remove prototype.
	* rtl.h (free_bb_mem): Remove prototype.
	* flow.c (alloc_int_list_node); Remove function.
	(add_inst_list_node, free_int_list, add_pred_succ): Likewise.
	(compute_preds_succs, free_bb_mem): Likewise.
	* gcse.c (gcse_main): Do not call free_bb_mem anymore.
	* toplev.c (rest_of_compilation): Likewise.
	* haifa-sched.c (build_control_flow): Use flow generated edge
	list to build the haifa specific edge list.
	(find_rgns): Use new CFG data structures instead of pred/succ lists.
	(schedule_insns): Do not build pred/succ lists anymore.  Instead
	build the edge table.

	* basic-block.h (dump_bb_data): Remove declaration.
	* flow.c (dump_bb_data): Remove function.
	* sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
	(sbitmap_union_of_predsucc): Likewise.

	* gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
	argument.  All callers changed.
	(delete_null_pointer_checks_1): No longer need to compute the
	pred/succ lists.

	* gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
	All callers changed.
	(pre_expr_reaches_here_p_work): Likewise.
	(pre_edge_insert): No longer call pre_expr_reaches_here_p.
	* lcm.c (compute_laterin): Fix initialization of LATER.
	(compute_nearerout): Similarly for NEARER.

Sun Nov 14 12:41:57 1999  Bernd Schmidt  <>

	* cse.c (set_nonvarying_address_components): Delete unused function.
	(refers_to_p): Likewise.

Fri Nov 12 20:53:22 1999  Jeffrey A Law  (

	* function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as

Sat Nov 13 16:20:09 1999  Michael Hayes  <>

	* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
	definition in do while (0).

Fri Nov 12 16:26:25 1999  Jim Wilson  <>

	* stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.

Fri Nov 12 12:43:49 1999  Richard Henderson  <>

	* unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.

Fri Nov 12 15:14:19 1999  Vladimir Makarov  <>

	* i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
	(FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.

	* i960.c (i960_function_prologue): Don't allocate space for g8-g11
	saved on the stack.  Output more accurate stack frame statistics
	into assembler file.

1999-11-12 11:47 -0800  Zack Weinberg  <>

	* genextract.c (record_insn_name): New function.
	(get_insn_name): No longer a stub.
	(main): Call record_insn_name for each insn.  After each label
	written, print the insn name in a comment.

Fri Nov 12 13:45:02 1999  Kaveh R. Ghazi  <>

	* output.h (const_section, init_section, fini_section): Add

	* alpha/elf.h (const_section): Delete declaration.

	* svr4.h (const_section): Likewise.

Fri Nov 12 08:54:22 1999  Mark Mitchell  <>

	* tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
	* tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
	(unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
	* stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
	variable-sized array bounds.

Fri Nov 12 08:04:45 1999  Catherine Moore  <>


Fri Nov 12 13:31:54 1999  Bernd Schmidt  <>

	* config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
	addresses the same way GO_IF_LEGITIMATE_INDEX does.

Fri Nov 12 12:36:04 1999  Bernd Schmidt  <>

	* cse.c (hash_arg_in_struct): Delete.
	(struct table_elt): Delete elt in_struct.
	(struct set): Delete elt src_in_struct.
	(merge_equiv_classes): Don't set either hash_arg_in_struct or
	the corresponding in_struct elts.
	(canon_hash): Likewise.
	(safe_hash): Likewise.
	(find_best_addr): Likewise.
	(record_jump_cond): Likewise.
	(cse_insn): Likewise.

Thu Nov 11 19:45:24 1999  Jim Wilson  <>

	* loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.

	* dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
	unsigned types.

Thu Nov 11 18:54:24 1999  Jeffrey A Law  (

	* function.c (diddle_return_value): Put back check that the DECL_RTL
	for the function is a register.

	* function.c (diddle_return_value): Use hard_function_value to
	get an rtx suitable for use in the USE/CLOBBER insn.

	* global.c (global_conflicts): Update comments.
	(record_conflicts): No need to record conflicts between pseudos here.

1999-11-11  Bruce Korb  <>

	* fixinc/fixincl.c: Added verbose levels for status messages

Thu Nov 11 13:23:04 1999  Bernd Schmidt  <>

	* jump.c (jump_optimize_1): Avoid passing an rtx that is not an
	operand as argument to expand_and or expand_binop.

Thu Nov 11 02:21:16 1999  Rodney Brown <>

	* xcoffout.c (xcoffout_source_file): Change ggc_add_root to

Wed Nov 10 21:24:19 1999  Jason Eckhardt  <>

	* config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.

Wed Nov 10 15:56:16 1999  Jeffrey A Law  (

	* flow.c (compute_flow_dominators): Initially put all blocks on
	the worklist.
	* lcm.c (compute_antinout_edge, compute_available): Similarly.
	* gcse.c (compute_cprop_avinout): Remove.
	(compute_cprop_data): Use compute_available.
	(delete_null_pointer_checks_1): Use compute_available.

	* basic-block.h (compute_available): Returns a void now.
	* gcse.c (one_classic_gcse_pass): Do not expect compute_available
	to return a value anymore.
	* lcm.c (compute_available, compute_antinout_edge): Revamp to use
	worklists.  Fix boundary cases. Compute maximal solutions.
	(compute_laterin, compute_nearerout): Similarly.

	* dwarf2out.c (add_AT_location_description): Allow
	(mem (plus (pseudo) (...)) too.

Wed Nov 10 10:52:42 1999  Tom Tromey  <>

	* gcc.c (do_spec_1): Support text between `%u' and `%O'.

Wed Nov 10 12:43:21 1999  Philippe De Muyter  <>
			  Kaveh R. Ghazi  <>

	* cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.

	* gansidecl.h: Likewise.

	* rtl.c: Likewise.

	* rtl.h: Likewise.

	* toplev.h: Likewise.

	* tree.c: Likewise.

	* tree.h: Likewise.

	* varray.c: Likewise.

	* varray.h: Likewise.

Wed Nov 10 10:57:22 1999  Clinton Popetz  <>

	* gcov.c (struct arcdata): Add hits and total, remove prob.
	(output_branch_counts): New.
	(process_args): Set output_branch_counts if -c.
	(calculate_branch_probs): Store hits and total instead of
	(output_data): Emit counts if output_branch_counts is true.
	* gcov.texi (Invoking Gcov): Document -c switch..

Wed Nov 10 01:10:41 1999  Philippe De Muyter  <>

	* genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and

Wed Nov 10 00:51:41 1999  Hans-Peter Nilsson  <>

	* invoke.texi (C Dialect Options): Add missing builtins from
	c-common.c to list.
	* extend.texi (Other Builtins): Copy to this list.

Wed Nov 10 04:58:09 1999  Alexandre Oliva  <>

	* (recog.o): Use BASIC_BLOCK_H macro.
	(print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise.  Remove
	redundant bitmap.h.

Wed Nov 10 00:02:53 1999  Jeffrey A Law  (

	* flow.c (compute_flow_dominators): No longer treat basic block 0
	or (n_basic_blocks - 1) specially.  Clear the AUX field before
	starting computation of doms/pdoms.  Fix initial state for pdoms.

Wed Nov 10 03:58:08 1999  Alexandre Oliva  <>

	* ($(HOST_PREFIX_1)rtl.o): Update dependencies to
	match rtl.o's: added ggc.h and toplev.h
	($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
	($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
	($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).

Tue Nov  9 10:30:08 1999  Tom Tromey  <>

	* config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
	* gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
	(main): Likewise.
	(split_directories): Only special-case DOS file names if
	instead of explicit tests.  Conditionalize on !VMS.
	(make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
	tests.  Conditionalize on !VMS.
	(process_command): Only use make_relative_prefix if !VMS.
	(free_split_directories): Conditionalize on !VMS.
	(DIR_UP): Conditionalize on !VMS.

Wed Jun  9 16:57:11 1999  Mumit Khan  <>

	* gcc.c (STANDARD_BINDIR_PREFIX): Provide default.

Fri Feb  5 14:22:01 1999  Mumit Khan  <>

	* gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX

Mon Nov  8 14:16:57 1999  Michael Meissner  <>

	* invoke.texi (Environment Variables): Document relative path
	* gcc.c (DIR_UP): If not defined, define as "..".
	(standard_bindir_prefix): New static, holds target location to
	install binaries.
	(split_directories): New function to split a filename into
	component directories.
	(free_split_directories): New function, release memory allocated
	by split_directories.
	(make_relative_prefix): New function, make a relative pathname if
	the compiler is not in the expected location.
	(process_command): If GCC_EXEC_PREFIX was not specified, see if we
	can figure out an appropriate prefix from argv[0].
	* (DRIVER_DEFINES): Use unlibsubdir in definition of

Wed Nov 10 11:47:54 1999  Michael Hayes  <>

	* config/c4x/c4x-protos.h: New file.  Prototypes for functions defined
	in c4x.c.
	* config/c4x/c4x.h: Moved prototypes to c4x.h.
	* config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
	c4x_secondary_memory_needed) Delete.
	(fp_zero_operand): Add mode argument.

Thu Nov  4 15:52:35 1999  Andrew Haley  <>

	* reload1.c (reload_reg_free_for_value_p): Don't use a register
	that is in reload_reg_used.

Tue Nov  9 16:43:00 1999  Nick Clifton  <>

	* config/arm/arm-protos.h: New file: Prototypes for functions
	defined in arm.c and pe.c.
	* config/arm/arm.h: Fix compile time warnings.
	* config/arm/arm.c: Fix compile time warnings.
	* config/arm/pe.h: Fix compile time warnings.
	* config/arm/aout.h: Fix compile time warnings.

Tue Nov  9 14:55:44 1999  Nick Clifton  <>

	* config/m32r/m32r-protos.h: New file: Prototypes for functions
	defined in m32r.c

	* config/m32r/m32r.h: Move prototypes to m32r-protos.h
	Add support for subtargets.
	Add prototypes for new predicates.
	Add scheduling macros.

	* config/m32r/m32r.c: Fix compile time warnings.
	(int8_operand): New predicate function.
	(reg_or_cmp_int16_operand): New predicate function.
	(extend_operand): New predicate function.
	(m32r_adjust_code): New scheduling function.
	(m32r_adjust_priority): New scheduling function.
	(m32r_sched_init): New scheduling function.
	(m32r_sched_reorder): New scheduling function.
	(m32r_sched_variable_issue): New scheduling function.
	(direct_return): New codegen function.
	(m32r_not_same_reg): New rtl testsing function.

	* config/m32r/ Fix compile time warnings.
	Add support for pre decrement and post increment memory
	Add S<cc> patterns.
	Add fabs patterns.

Mon Nov  8 22:20:13 1999  J"orn Rennecke <>

	* global.c (EXECUTE_IF_CONFLICT): Don't define.
	(prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
	(find_reg): Likewise.

Mon Nov  8 13:16:46 1999  Jason Eckhardt  <>

	* config/pa/ (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
	to avoid assembler errors.

Mon Nov  8 15:38:41 1999  Nick Clifton  <>

	* config/v850/v850-protos.h: New file: Prototypes for functions
	defined in v850.c
	* config/v850/v850.h: Move prototypes to v850-protos.h
	* config/v850/v850.c: Move prototypes to v850-protos.h
	* config/v850/ Fix compile time warnings.

	* config/fr30/fr30-protos.h: New file: Prototypes for functions
	defined in fr30.c
	* config/fr30/fr30.h: Move prototypes to fr30-protos.h
	* config/fr30/fr30.c: Fix compile time warnings.
	* config/fr30/ Fix compile time warnings.

Mon Nov  8 07:25:37 1999  Mark Mitchell  <>

	* tree.h (get_containing_scope): Declare it.
	* tree.c (get_containing_scope): New fucntion.
	(decl_function_context): Use it.
	* toplev.c (rest_of_compilation): Use get_containing_scope.

aMon Nov  8 03:03:07 1999  Alexandre Oliva  <>

	* (rtl.o): Depend on toplev.h.

Sun Nov  7 20:55:14 1999  Mark Mitchell  <>

	* cse.c (delete_trivially_dead_insns): Replace alloca with
	* except.c (update_rethrow_references): Likewise.
	(init_eh_nesting_info): Likewise.
	* function.c (identify_blocks): Likewise.
	* gcse.c (dump_hash_table): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* loop.c (combine_movables): Likewise.
	(move_movables): Likewise.
	(count_loop_regs_set): Likewise.
	(strength_reduce): Likewise.
	* profile.c (compute_branch_probabilities): New function, split
	out from ...
	(branch_prob): Here.  Replace alloca with xmalloc/xcalloc.
	* regclass.c (regclass): Likewise.
	* regmove.c (regmove_optimize): Likewise.
	* toplev.c (compile_file): Likewise.
	(main): Don't mess with the stack rlimit.

Sun Nov  7 19:41:17 1999  Catherine Moore  <>

	* config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
	(ASM_DECLARE_FUNCTION_SIZE): Conditionally define.

Sun Nov  7 10:23:28 1999  Mark P. Mitchell  <>

	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.

Sun Nov  7 02:58:48 1999  Jeffrey A Law  (

	* global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
	(EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
	macro expansion.

Sat Nov  6 23:48:30 1999  Robert Lipe  (

	* global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.

Sat Nov  6 17:34:39 1999  Jeffrey A Law  (

	* gcse.c (post_dominators): Kill.
	(alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
	(compute_code_hoist_data): Use compute_flow_dominators.  Do not
	pass in a pdom array since we do not need pdoms.
	* haifa-sched.c (schedule_insns): Similarly.
	* flow.c (compute_dominators): Remove dead function.
	(compute_flow_dominators): Do not compute doms or pdoms if the
	caller does not request them.  Split up loop to build doms and
	pdoms.  Use a worklist to compute doms and pdoms.
	* basic-block.h (compute_dominators): Remove prototype.

Sat Nov  6 11:38:39 1999  Richard Henderson  <>

	* haifa-sched.c (struct haifa_insn_data, h_i_d): New.
	(insn_luid, insn_priority, insn_costs, insn_units): Remove.
	(insn_reg_weight, insn_depend, insn_dep_count): Remove.
	(insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
	(cant_move, fed_by_spec_load, is_load_insn): Remove.
	(schedule_region): Remove unused variable.
	(schedule_insns): Allocate h_i_d, and not all the separate arrays.

Sat Nov  6 10:00:34 1999  Mark Mitchell  <>

	* local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_2): Likewise.
	* reload1.c (reload_as_needed): Likewise.

Sat Nov  6 09:57:59 1999  Mark Mitchell  <>

	* (dbxout.o): Depend on ggc.h.
	(dwarf2out.o): Likewise.
	(xcoffout.o): Likewise.
	* dbxout.c: Include ggc.h.
	(dbxout_init): Register lastfile as a root.
	* dwarf2out.c: Include ggc.h.
	(dwarf2out_line): Register lastfile as a root.
	* xcoffout.c: Include ggc.h.
	(xcoffout_source_line): Register xcoff_lastfile as a root.

Sat Nov  6 09:52:09 1999  Richard Henderson  <>

	* (movdf_1, movxf_1): Earlyclobber general regs destination.

Sat Nov  6 07:48:59 1999  Catherine Moore  <>

	* config/svr4.h (ASM_DECLARE_FUNCTION): Check if already

Fri Nov  5 18:33:39 1999  J"orn Rennecke <>

	* global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
	(ALLOCNO_LIVE_P): Avoid signed division.
	(prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
	(record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.

Fri Nov  5 12:04:02 1999  Richard Henderson  <>

	* haifa-sched.c (schedule_block): Don't crash if there's no
	next insn for an interblock movement.
	(add_branch_dependences): Don't allow clobber insns to move either.

Fri Nov  5 10:18:11 1999  Richard Henderson  <>

	* i386.c (split_xf): New.
	* i386-protos.h: Declare it.
	* (movxf_1): Add general regs alternatives.
	(movxf_1+1): New splitter for same.

Fri Nov  5 12:05:52 1999  Nick Clifton  <>

	* function.c (purge_addressof_1): Add missing return values.

Fri Nov  5 10:07:25 1999  Nick Clifton  <>

	* function.c (is_addressof): New function.  Returns true if
	the given piece of RTL is an ADDRESSOF.
	(purge_addressof_1): Make boolean.  Return false if the
	ADDRESSOFs could not be purged.
	(purge_addressof): If ADDRESSOFs could not be purged from the
	notes attached to an insn, remove the offending note(s),
	unless they are attached to a libcall.

1999-11-05  Andreas Jaeger  <>

	* genoutput.c (null_operand =): Initialize all fields.

	* errors.h: Add extern to prototypes.

Fri Nov  5 01:44:09 1999  Jeffrey A Law  (

	* (m68k-next-nextstep4): Handle Openstep 4.2.
	* configure: Rebuilt.

Fri Nov  5 01:24:37 1999  J"orn Rennecke <>

	* global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
	(mirror_conflicts): New function.
	(global_alloc): Call it.
	(expand_preferences): Remove redundant CONFLICTP test.
	(find_reg, dump_conflicts): Likewise.
	(prune_preferences): Process conflicts one word at a time.

Fri Nov  5 01:05:21 1999  Richard Henderson <>

	* global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
	instead of an explicit loop.

Thu Nov  4 23:07:14 1999  Jim Wilson  <>

	* cse.c (cse_insn): Revert Oct 31 change.  When computing src_elt,
	if REG_RETVAL check succeeds, then put classp in src_elt.

Thu Nov  4 23:48:14 1999  Jeffrey A Law  (

	* function.c (pad_to_arg_alignment): Only update argument_pad
	if the argument's alignment is greater than STACK_BOUNDARY.

Thu Nov  4 16:44:53 1999  Richard Henderson  <>

	* bitmap.h (BITMAP_XFREE): New.
	* flow.c (life_analysis): Use it.
	(life_analysis_1): Free blocks.

	* combine.c (undo_commit): New.
	(try_combine): Use it.  Don't zap undobuf.undos.
	(combine_instructions): Don't zap undobuf.undos; free the
	undobuf.frees list.

	* local-alloc.c (local_alloc): Free qty_phys_num_sugg.

	* stmt.c (cost_table_): New.
	(estimate_case_costs): Use it instead of xmalloc.

	* toplev.c (compile_file): Reuse dumpname memory instead
	of strdup'ing it.

Thu Nov  4 16:36:44 1999  Richard Henderson  <>

	* reg-stack.c (convert_regs_1): Initialize target_stack->top
	after verifying an EH edge.

	* haifa-sched.c (init_rgn_data_dependences): Correctly
	size bb_pending_lists_length when zeroing.

Thu Nov  4 16:36:36 1999  Richard Henderson  <>

	* function.c (diddle_return_value): New.
	(expand_function_end): Use it.
	* stmt.c (expand_null_return): Likewise.
	(expand_value_return): Likewise.

	* reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.

	* reload1.c (reload): Don't remove return value clobbers.

Thu Nov  4 13:33:46 1999  Richard Henderson  <>

	* rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.

Thu Nov  4 12:49:52 1999  Richard Henderson  <>

	* cse.c (cse_main): Use xmalloc, not alloca.
	(cse_basic_block): Likewise.
	* local-alloc.c (local_alloc): Likewise.

Thu Nov  4 14:22:12 1999  David Billinghurst  <>
			  Alexandre Oliva  <>

	* rtl.c: Include toplev.h.
	(fatal): Remove declaration.

Thu Nov  4 06:39:47 1999  Jeffrey A Law  (

	* haifa-sched.c (schedule_block): Fix thinko.

1999-11-03  James McKelvey <>

	* fixinc/fixincl.c(create_file):  Allow for systems that do not have
	S_IR* defined values

1999-11-03  Philippe De Muyter  <>

	* fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
	call `malloc' instead.

Wed Nov  3 23:05:14 1999  Mark Mitchell  <>

	* flags.h (flag_renumber_insns): Declare.
	* emit-rtl.c (renumber_insns): Check flag_renumber_insns.  Print
	renumbering table.
	* rtl.h (renumber_insns): Change prototype.
	* toplev.c (flag_renumber_insns): Define.
	(rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.

Wed Nov  3 15:11:27 1999  David S. Miller  <>

	* config/sparc/ Remove insn type fpsqrt, add fpsqrts
	and fpsqrtd.  Use them and create fdiv function unit to more
	accurately represent fpu sqrt pipeline semantics on UltraSPARC.
	* config/sparc/sparc.c: Account for fpsqrt{s,d} changes.

Wed Nov  3 15:11:27 1999  Matteo Frigo <>

	* config/sparc/ Adjust FADD/FMUL result latencies to
	3 on UltraSPARC.
	* config/sparc/sparc.c (ultra_schedule_insn): Insert launched
	insn into ready list, do not use just a raw swap.

Wed Nov  3 14:51:59 1999  Mark P. Mitchell  <>

	* rtl.h (renumber_insns): New function.
	(remove_unnecessary_notes): Likewise.
	* emit-rtl.c (renumber_insns): Define.
	(remove_unnecessary_notes): Likewise.
	* toplev.c (rest_of_compilation): Remove dead code.
	Use renumber_insns and remove_unnecessary_notes.

	* gcse.c (struct null_pointer_info): New type.
	(get_bitmap_width): New function.
	(current_block): Remove.
	(nonnull_local): Likewise.
	(nonnull_killed): Likewise.
	(invalidate_nonnull_info): Take a null_pointer_info as input.
	(delete_null_pointer_checks_1): New function.
	(delete_null_pointer_checks): Use it.

	* haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
	(split_edges): Likewise.
	(schedule_block): Likewise.
	(compute_block_backward_dependencies): Likewise.
	(schedule_region): Likewise.
	(schedule_insns): Likewise.

Wed Nov  3 15:40:23 1999  Catherine Moore  <>

	* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
	* emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
	* final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
	* ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
	* jump.c (delete_unreferenced_labels): Don't delete if
	* print-rtl.c (print_rtx): Dump alternate name.
	* rtl.def (CODE_LABEL): Change format to "iuuis00s".
	* rtl.h (LABEL_ALTERNATE_NAME): Define.
	* rtl.texi (LABEL_ALTERNATE_NAME): Document.

Wed Nov  3 15:39:19 1999  Kaveh R. Ghazi  <>

	* fix-header.c (recognized_extern, recognized_function): Constify
	a char*.

	* lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
	(pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
	(compute_available): Remove unused variable `last'.
	(compute_nearerout): Remove unused variable `temp_bitmap'.
	(pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
	Remove unused variable `x'.

	* scan.h (recognized_function, recognized_extern): Constify a

	* simplify-rtx.c (simplify_rtx): Remove unused variable `new'.

Wed Nov  3 10:40:53 1999  Franz Sirl  <>

	* varasm.c (decode_rtx_const): Use XSTR to access the string

Wed Nov  3 10:10:58 1999  Richard Henderson  <>

	* c-decl.c (duplicate_decls): Copy DECL_MODE too.

Wed Nov  3 12:12:59 1999  Bernd Schmidt  <>

	* reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.

Wed Nov  3 03:26:28 1999  Jeffrey A Law  (

	* pa.c (ireg_operand): New function.
	* pa.h (PREDICATE_CODES): Handle ireg_operand.
	* (parallel_addb, parallel_movb): Use ireg_operand.
	Fix out of date comment.

	* (negdi2): Turn into expander + anonymous pattern.

	* reload.c (find_reloads): Fix typos in recent change.

	* dwarf2out.c: Do not include ctype.h.

Tue Nov  2 21:53:44 1999  Richard Kenner  <>

	* regclass.c (record_reg_classes): Always use may_move_cost when
	seeing how operand fits with various register classes.

Tue Nov  2 15:38:17 1999  Richard Henderson  <>

	* resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
	* toplev.c: Revert Nov 1 13:22 change.

Tue Nov  2 14:21:37 1999  Jason Eckhardt  <>

	* config/pa/ (height reduction patterns): Add checks for
	overlapping operands to avoid semantic-destroying splits for
	height reduction patterns.

Tue Nov  2 15:27:31 1999  Alexandre Oliva  <>

	* (m68k-hp-hpux*, xm_alloca.h): The underscore should
	have been an hyphen, fixed.
	* configure: Rebuilt.

Tue Nov  2 17:04:36 1999  Nick Clifton  <>

	* config/arm/tpe.h: Add prototypes for exported functions.
	* config/arm/pe.c: Fix compile time warnings.
	* config/arm/semi.h: Fix compile time warnings.
	* config/arm/arm.c: Fix compile time warnings.
	* config/arm/arm.h: Fix compile time warnings.
	* config/arm/ Fix compile time warnings.
	* config/arm/thumb.c: Fix compile time warnings.
	* config/arm/thumb.h: Fix compile time warnings.
	* config/arm/ Fix compile time warnings.

Tue Nov  2 04:10:24 1999  Jan Hubicka  <>

	* jump.c (jump_optimize_1): Swap the incscc and the conditional mode
	detection code

	* unroll.c (unroll_loop): Remove LOOP notes when loop is
	completely unrolled.

Tue Nov  2 16:57:22 1999  Bernd Schmidt  <>

	* cse.c (simplify_plus_minus, check_fold_const): Delete declarations.

Tue Nov  2 09:43:00 1999  Catherine Moore  <>

	* (genattrtab): Don't use (HOST_RTLANAL).
	* rtl.h (rtx_equal_p): Move prototype.
	* rtl.c (rtx_equal_function_value_matters): Move from
	(rtx_equal_p): Likewise.
	* rtlanal.c (rtx_equal_function_value_matters): Delete.
	(rtx_equal_p): Likewise.

Mon Nov  1 23:21:17 1999  Jason Merrill  <>

	* libgcc2.c (__do_global_dtors): Only do EH frame stuff if

Mon Nov  1 23:37:38 1999  Jeffrey A Law  (

	* gcc.1 (PA options): Remove obsolete -mshared-libs options.

	* pa.h (ADDR_VEC_ALIGN): Define.

	* jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
	notes when presented with "if (foo) break; end_of_loop" and
	the break sequence gets moved out of the loop.

	* unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
	Remove explicit zero initializations of entries within MAP.

Mon Nov  1 18:09:14 1999  Richard Henderson  <>

	* reg-stack.c (convert_regs_1): Handle EH edges specially.

Mon Nov  1 15:41:01 1999  Mark P. Mitchell  <>

	* bitmap.h (BITMAP_XMALLOC): New macro.
	* flow.c (CLEAN_ALLOCA): Remove.
	(delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
	(life_analysis): Likewise.
	(update_life_info): Don't use CLEAN_ALLOCA.
	(life_analysis_1): Use xmalloc/xcalloc instead of alloca.
	(calculate_global_regs_live): Likewise.
	(print_rtl_with_bb): Likewise.
	(verify_flow_info): Likewise.
	* global.c (global_alloc): Likewise.
	(global_conflicts): Likewise.
	* integrate.c (save_for_inline_nocopy): Likewise.
	(expand_inline_function): Likewise.
	* jump.c (jump_optimize_1): Likewise.
	(duplicate_loop_exit_test): Likewise.
	(thread_jumps): Likewise.
	* loop.c (loop_optimize): Likewise.
	(combine_givs): Likewise.
	(recombine_givs): Likewise.
	* reorg.c (dbr_schedule): Likewise.
	* unroll.c (unroll_loop): Likewise.

	* combine.c (combine_instructions): Use xmalloc instead of alloca.

Mon Nov  1 13:22:30 1999  Richard Henderson  <>

	* toplev.c (rest_of_compilation): Don't optimize the CFG
	when rebuilding, just before dbr.

Mon Nov  1 14:35:50 1999  Kaveh R. Ghazi  <>

	* output.h (assemble_end_function, assemble_destructor,
	assemble_constructor, assemble_gc_entry, assemble_global,
	assemble_label, output_constant_pool) Constify a char*.

	* varasm.c (assemble_destructor, assemble_constructor,
	assemble_gc_entry, assemble_end_function, assemble_global,
	assemble_label, output_constant_pool): Likewise.

Mon Nov  1 14:22:51 1999  Nick Clifton  <>

	* config/arm/thumb.c (thumb_expand_prologue): Add comments
	explaining what is goin on in this function.

Mon Nov  1 08:03:15 1999  Richard Kenner  <>

	* regclass.c (record_reg_classes): In matching case, recompute
	costs since the direction of movement is different.

Sun Oct 31 21:59:34 MST 1999  Diego Novillo <>

	* resource.c (mark_target_live_regs): For unconditional branches,
	the resources found at the branch target should be added to the
	resources found so far, not intersected.

Sun Oct 31 15:48:49 1999  Philippe De Muyter  <>

	* fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
	old cpp's.
	* fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
	(sys/mman.h): Include this file only if #HAVE_MMAP.
	(run_compiles): Initialize `esac_fmt' with one old KR string, not
	with automatically concatenated ANSI strings.

Sun Oct 31 23:57:07 1999  Mark Mitchell  <>

	* ggc-page.c (struct page_entry): Remove save_num_free_objects.
	(DIV_ROUND_UP): Robustify.
	(ggc_recalculate_in_use_p): New function.
	(release_pages): Don't inline it.
	(ggc_alloc_obj): Don't refuse to allocate objects on pages for
	outer contexts.
	(ggc_pop_context): Use ggc_recalculate_in_use_p.
	(clear_marks): Always save in_use_p.
	(sweep_pages): Use ggc_recalculate_in_use_p.
	(ggc_page_print_statistics): Avoid signed/unsigned comparisons.
	Release pages before counting statistics.

Sun Oct 31 23:42:37 1999  Mark Mitchell  <>

	* toplev.c (rest_of_compilation): Fix thinko in this change:

	Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

	(rest_of_compilation): If inside an inlined external function,
	pretend we are just being declared.

Sun Oct 31 23:03:25 1999  Jeffrey A Law  (

	* flow.c (calculate_global_regs_live): Fix thinko.

	* integrate.c (expand_inline_function): Fix bugs in previous
	change from Oct 28, 1999.

Sun Oct 31 20:27:45 1999  Mark Mitchell  <>

	* stmt.c (expand_value_return): Fix typo in this change:

	Thu Oct 28 18:06:50 1999  Richard Kenner  <>
	(expand_value_return): Correctly convert VAL when promoting function
	return; support RETURN_REG being a PARALLEL.

Sun Oct 31 20:25:42 1999  Mark P. Mitchell  <>

	* expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.

Sun Oct 31 20:42:17 1999  Kaveh R. Ghazi  <>

	* hard-reg-set.h (reg_names): Constify a char*.

	* regclass.c  (reg_names): Likewise.

	* regs.h (reg_names): Likewise

	* a29k/a29k.c (reg_names): Delete declaration.

	* a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.

	* arc/arc.c (arc_save_restore, arc_output_function_prologue,
	arc_output_function_epilogue): Likewise.

	* elxsi/elxsi.c (reg_names): Likewise.

	* gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.

	* m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):

	* m88k/m88k.c (output_function_profiler): Likewise.

	* sparc/sparc.c (sparc_flat_output_function_prologue,
	sparc_flat_output_function_epilogue): Likewise.

Sun Oct 31 13:32:15 CET 1999  Marc Lehmann <>

	* toplev.c (rest_of_compilation): Separate the setjmp/vfork clobber
	warning from -Wuninitialized and put it under -W.
	* function.c (uninitialized_vars_warning): Warn only when the
	corresponding flag is set.

Sun Oct 31 01:53:30 1999  Jeffrey A Law  (

	* cse.c (cse_insn): If an insn has only a single set, SRC_EQV
	is nonzero and the single set does not have an elt, then assign
	it an elt.

	* simplify-rtx.c: New file.
	* (OBJS): Add simplify-rtx.o
	(simplify-rtx.o): Add dependencies.
	* rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
	* cse.c: Use simplify_gen_binary intead of cse_gen_binary.
	(cse_gen_binary, simplify_unary_operation): Delete.
	(simplify_binary_operation, simplify_plus_minus): Likewise.
	(check_fold_consts, simplify_relation_operation): Likewise.
	(simplify_ternary_operation): Likewise.
	(delete_trivially_dead_insns): Simplify the contents of the
	REG_EQUAL note before trying to substitute it into the source
	of the reg-reg copy at the end of a libcall sequence.

	* combine.c (combine_simplify_rtx): Renamed from simplify_rtx.  All
	references/callers changed.

	* mn10200.c (mn10200_va_arg): Force the return value into a

	* fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.

	* cccp.c (macroexpand): Avoid out of range accesses for omitted

Sat Oct 30 22:42:50 1999  Stephen L Moshier <>

	* c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.

Sat Oct 30 22:19:26 1999  Jeffrey A Law  (

	* fold-const.c (fold): Fix thinko when optimizing comparisons
	against -0.0.

Sat Oct 30 21:32:17 1999  David Starner  <>

	* gcc.texi (Passes): Update front-end files to their current

Sat Oct 30 14:41:40 1999  Richard Henderson  <>

	* alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
	(PREDICATE_CODES): Add addition_operation.
	* alpha-protos.h (addition_operation): Declare.
	(secondary_reload_class): Likewise.
	* alpha.c (addition_operation): New.
	(secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
	* (adddi3): Turn into expander.
	(*lda, *adddi_2): New.
	(movsf, movdf patterns): Don't preference integer regs.
	(movsi, movdi patterns): Don't preference fp regs.

Sat Oct 30 14:38:22 1999  Richard Henderson  <>

	* genrecog.c (write_switch): Check for duplicate CODE cases.

Sat Oct 30 14:31:48 1999  Richard Henderson  <>

	* ggc-common.c: Update pre-function commentary.
	* ggc-page.c: Likewise.
	(poison): Remove.
	(poison_pages): Use memset directly.
	(ggc_alloc_obj): Likewise.  Use a different pattern than poison_pages.
	(ggc_collect): Poison before sweeping.
	* ggc-simple.c: Update pre-function commentary.
	(ggc_alloc_obj): Poison nonzeroed memory.

Sat Oct 30 14:28:52 1999  Mark Mitchell  <>

	* ggc-common.c (ggc_print_statistics): Make arguments to fprintf
	match format string, even on 64-bit hosts.
	* gcc-page.c (ggc_page_print_statistics): Likewise.

Sat Oct 30 14:38:04 1999  Catherine Moore  <>

	* config/i386/i386.c (ix86_cpu): Revert last patch.
	* config/i386/i386.h (ix86_cpu): Ditto.

Fri Oct 29 17:00:42 1999  Jim Wilson  <>

	* stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
	TYPE_SIZE, convert type of result to sizetype.

Fri Oct 29 14:34:17 1999  Richard Henderson  <>

	* flow.c (count_or_remove_death_notes): Equate NULL with the
	universal set.

	* jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
	* toplev.c (rest_of_compilation): Rebuild CFG immediately before

	* i386.c (pic_label_no): Delete.
	(ix86_attr_length_default): Don't use single_set to peek
	inside a parallel.

	* recog.c (peephole2_optimize): Allow recog_next_insn to index
	the first insn after bb->end.
	* (push mem peeps): Scratch is live after evaluation
	of the memory.
	(cmp mem peep): Similarly.

Fri Oct 29 11:50:11 1999  Catherine Moore  <>

	* calls.c (emit_library_call_value): Fix declaration of alignment_pad.
	* function.c (pad_to_arg_alignment): Add missing braces.

Fri Oct 29 13:53:48 1999  Kaveh R. Ghazi  <>

	* alpha/alpha-protos.h (literal_section): Add prototype.
	(alpha_need_linkage, alpha_start_function,alpha_end_function):
	Constify a char*.

	* alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
	(alpha_start_function, alpha_end_function, float_strings,
	alpha_need_linkage): Constify a char*

	* alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.

	* alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.

	* alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.

	* alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.

Fri Oct 29 13:49:39 1999  Kaveh R. Ghazi  <>

	* flow.c (debug_flow_info): Add prototype.

	* gcc.c (main): Likewise.

	* gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):

	* reload1.c (failed_reload, set_reload_reg): Likewise.

	* mips-tfile.c (main): Likewise.
	(pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark

Fri Oct 29 18:16:03 1999  Andrew Haley  <>

	* config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
	DECL is not a memory ref.

Fri Oct 29 09:05:34 1999  Catherine Moore  <>

	* config/i386/i386.h (ix86_cpu): Remove extern attribute.
	* config/i386/i386.c (ix86_cpu): Add extern attribute.

Fri Oct 29 16:30:04 1999  Andrew Haley  <>

	* config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
	* config/mips/elf64.h: ditto.

Fri Oct 29 08:03:57 1999  Catherine Moore  <>

	* expr.c (emit_push_insn): New argument alignment_pad.
	Update all callers.  Adjust stack pointer based on alignment pad.
	* function.c (pad_to_arg_alignment):  New argument alignment_pad.
	Update all callers.  Track alignment_pad if boundary > PARM_BOUNDARY.
	(locate_and_pad_parm): New argument alignment_pad.  Update all
	* expr.h (emit_push_insn): Update prototype.
	(locate_and_pad_parm): Update prototype.
	* calls.c (arg_data):  Add new field alignment_pad.
	(initialize_argument_information): Initialize alignment_pad.

Fri Oct 29 02:51:35 1999  Mark Mitchell  <>

	* except.c (free_eh_nesting_info): Free the info itself.
	* function.c (free_after_compilation): Don't free NULL.
	* gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
	(pre_edge_insert): Free inserted.
	* stmt.c (free_stmt_status): Don't free NULL.

Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

	* gcov.c (DIR_SEPARATOR): Provide default.
	(output_data): Add test for MS-DOS format absolute filename.
	(fancy_abort): Correct program name.
	(open_files): Open all files in binary mode.
	* libgcc2.c (__bb_exit_func): Likewise.

	* profile.c (init_branch_prob): Specify binary when opening files.

	* flags.h (flag_unwind_tables): New decl.
	* toplev.c (flag_unwind_table): New definition.
	(f_options): Add -funwind-tables.
	(decode_g_option): Clarify warning when unknown -g option is given.
	(rest_of_compilation): If inside an inlined external function,
	pretend we are just being declared.

	* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
	(dwarf2out_frame_finish): Likewise.

Fri Oct 29 07:44:26 1999  Vasco Pedro  <>

	* fold-const.c (merge_ranges): If not in0, but in1, handle
	upper bounds equal like subset case.

Thu Oct 28 19:22:24 1999  Douglas Rupp <>

	* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
	passed in a register but moved to the stack.

Thu Oct 28 19:12:57 1999  Sam Tardieu  <>

	* gcc.c (pass_exit_codes, greatest_status): New variables.
	(struct option_map): Add entry for "--pass-exit-codes".
	(execute): Update greatest_status if error.
	(display_help): Add documentation for -pass-exit-codes.
	(process_command): Handle -pass-exit-codes.
	(main): Look at pass_exit_codes and greatest_status on call to exit.

Thu Oct 28 18:06:50 1999  Richard Kenner  <>

	* reload.c (find_reloads): Refine test for no input reload
	case to not includes reloads emitted after insn.

	* function.c (find_temp_slots_from_address): Handle sum involving
	a register that points to a temp slot.
	(update_temp_slot_address): Make recursive call if both old and
	new are PLUS with a common operand.
	* calls.c (expand_call): Mark temp slot for result as having
	address taken.

	* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.

	* gcc.c (process_command): Add standard_exec_prefix with "GCC"
	component as well as "BINUTILS".

	* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
	All callers changed.
	* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.

	* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
	gdb extensions, write size of type; also be more consistent
	in using references when this is a subtype.

	* (extv, extzv, insv): Use define_expand to reject constant
	that is out of range.

	* loop.c (unknown_constant_address_altered): New variable.
	(prescan_loop): Initialize it.
	(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
	(invariant_p, case MEM): Remove handling for volatile and readonly;
	check new variable if readonly.
	(check_dbra_loop): Chdeck unknown_constant_address_altered.

	* cse.c (canon_hash, case MEM): Do not record if BLKmode.
	(addr_affects_sp_p): Removed from note_mem_written and only
	define #ifdef AUTO_INC_DEC.

	* alpha.c (input_operand, case ADDRESSOF): Treat as REG.

	* regclass.c (record_reg_classes): Properly handle register move

	* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
	Don't think valid if both operands are invalid.
	(struct constant_descriptor): New field RTL.
	(mark_const_hash_entry): Mark it.
	(record_constant{,_rtx}): Initialize it.
	(output_constant_def): Allocate RTL in permanent obstack and
	save in table.
	({record,compare}_constant_1): Modes must match for

	* c-common.h (initializer_constant_valid_p): Delete decl from here.
	* output.h (initializer_constant_valid_p): Move decl to here.
	* c-common.c (initializer_constant_valid_p): Delete function from here.
	* varasm.c (initializer_constant_valid_p): Move function to here.

	* tree.h (STRIP_SIGN_NOPS): New macro.
	* fold-const.c (optimize_minmax_comparison): New function.
	(invert_truthvalue, case WITH_RECORD_EXPR): New case.
	(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
	(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
	widening conversions.
	(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
	to look at size of mode, not precision of type; also add missing cases.
	(optimize_bit_field_compare, decode_field_reference): Don't try to

	* dwarf2out.c (ctype.h): Include.
	(dwarf2out_set_demangle_name_func): New function.
	(size_of_line_info): Deleted.
	(output_line_info): Compute size of line info table from difference
	of labels.
	(base_type_die, add_name_attribute): Call demangle function, if any.
	(field_byte_offset): Use bits per word for variable length fields.
	(gen_array_type_die): Add array name.
	(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
	(dwarf2out_add_library_unit_info): New function.

	* explow.c (set_stack_check_libfunc): New function.
	(stack_check_libfunc): New static variable.
	(probe_stack_range): Allow front-end to set up a libfunc to call.

	* combine.c (simplify_comparison): When making comparison in wider
	mode, check for having commuted an AND and a SUBREG.
	(contains_muldiv): New function.
	(try_combine): Call it when dividing a PARALLEL.
	(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
	(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
	a PLUS.
	(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
	use one of the CLOBBERs instead.
	(if_then_else_cond): If comparing against zero, just return thing
	being compared.

	* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
	Don't generate shifts and subtract if have conditional arithmetic.

	* rtl.h (delete_barrier): New declaration.
	* jump.c (jump_optimize): Set up to handle conditional call.
	In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
	(delete_barrier): New function.

	* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.

	* recog.c (nonmemory_operand): Accept ADDRESSOF.

	* tree.c (build_type_attribute_variant): Push to obstack of
	ttype around type_hash_canon call.

	* expr.c (placeholder_list): Move decl to file scope.
	(expand_expr): Don't force access to volatile just because its
	address is taken.
	If ignoring reference operations, just expand the operands.
	(expand_expr, case COMPONENT_REF): Propagate
	EXPAND_CONST_ADDRESS to recursive call when expanding inner.
	Refine test for using bitfield operations vs pointer punning.
	(expand_expr, case CONVERT_EXPR): If converting to
	BLKmode UNION_TYPE from BLKmode, just return inner object.
	Use proper mode in store_field call.
	Properly set sizes of object to store and total size in store_field
	call for convert to union.
	(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
	memory (like for ADDR_EXPR).  Also, don't put constant in register if
	we'll want it in memory.
	(readonly_fields_p): New function.
	(expand_expr, case INDIRECT_REF): Call it if LHS.
	(expand_assignment): Handle a RESULT_DECL where
	(do_jump, case WITH_RECORD_EXPR): New case.
	(get_inner_reference): Always go inside a CONVERT_EXPR
	and NOP_EXPR if both modes are the same.
	(store_field): Use bitfield operations if size of bitsize is not same
	as size of RHS's type.
	Check for bitpos not a multiple of alignment in BLKmode case.
	Do block move in largest possible alignment.
	(store_constructor): Set BITSIZE to -1 for variable size and properly
	in case of array of BLKmode.
	(expand_expr_unaligned): New function.
	(do_compare_and_jump): Call it.

	* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
	* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
	does not include 'o'.

	* function.c (instantiate_virtual_regs_1, case SET): Handle case where
	both SET_DEST and SET_SRC reference a virtual register.
	(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.

	* integrate.c (expand_inline_function): Handle case of setting
	virtual stack vars register (from built in setjmp); when parameter
	lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
	(subst_constant): Add new parm, MEMONLY.
	(expand_inline_function, integrate_parm_decls): Pass new parm.
	(integrate_decl_tree): Likewise.
	(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
	(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
	(copy_rtx_and_substitute, case SET): Add explicit calls to
	copy_rtx_and_substitute for both sides.

	* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
	(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
	within INDEX_TYPE, instead of before.
	(fixup_gotos): Use f->target_rtl, not the next insn,
	since latter may be from a later fixup.
	(expand_value_return): Correctly convert VAL when promoting function
	return; support RETURN_REG being a PARALLEL.
	(expand_return): When checking for result in regs and having
	cleanup, consider PARALLEL in DECL_RTL as being in regs.

1999-10-28 21:27 -0700  Zack Weinberg  <>

	* cpplib.h (struct cpp_buffer: fname, nominal_fname,
	last_nominal_fname): Mark const.
	(struct include_hash: name, nshort, control_macro): Mark
	(struct macrodef: symnam): Mark const.
	(struct if_stack: fname): Mark const.
	(is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
	(IStable): New character-syntax array which encompasses all
	the old is_foo arrays.
	(is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
	is_space): New macros for interrogating IStable.
	(check_macro_name): Kill last argument.  All callers changed.

	* cppinit.c (initialize_char_syntax): Delete.
	(is_idchar, is_idstart, is_hor_space, is_space,
	trigraph_table): Delete.
	(IStable): New.  Initialize with clever macros to avoid
	information duplication.
	(builtin_array): Table of builtins to get rid of explicit list
	in initialize_builtins.
	(initialize_builtins): Use builtins_array.
	(cpp_start_read): Call init_IStable, and set IStable['$'] if

	* cppexp.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	(cpp_parse_expr): Avoid 'format string is not constant'
	warning. Use ISGRAPH to identify printable chars.
	* cppfiles.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	(read_and_prescan): Map trigraphs to chars with open-coded
	if-else-if-... sequence, not a lookup table.
	* cpphash.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.
	* cpplib.c: Change all refs to is_xyz[] arrays to use new
	is_xyz() macros.  Kill SKIP_ALL_WHITE_SPACE (unused).
	(check_macro_name): Remove ability to report an invalid
	assertion name, which is never used.
	(do_line): Constify a couple of char *'s.
	* cppmain.c (main): Call cpp_cleanup before returning.

Thu Oct 28 21:16:35 1999  Mark Mitchell  <>

	* ggc.h (struct ggc_statistics): New type.
	(ggc_get_size): New function.
	(ggc_print_statistics): Likewise.
	* ggc-common.c (ggc_stats): New variable.
	(ggc_mark_rtx_children): Keep statistics.
	(ggc_mark_tree_children): Likewise.
	(ggc_print_statistics): New function.
	* ggc-page.c (struct globals): Add bytes_mapped field.
	(alloc_anon): Update it.
	(release_pages): Likewise.
	(ggc_get_size): New function.
	(ggc_page_print_statistics): New function.
	* ggc-simple.c (ggc_get_size): New function.

Fri Oct 29 06:32:44 1999  Geoffrey Keating  <>

	* flow.c (propagate_block): When the last reference to a label
	before an ADDR_VEC is deleted because the reference is a dead
	store, delete the ADDR_VEC.

Thu Oct 28 12:28:50 1999  Richard Henderson  <>

	* resource.c (find_free_register): Don't use the frame pointer
	if frame_pointer_needed.

Thu Oct 28 10:02:00 1999  Jim Wilson  <>

	* config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
	(function_arg_pass_by_reference): Check for a NULL pointer in cum.

	* config/i960/i960.c (i960_va_start): New locals base, num.
	Use INDIRECT_REF instead of ARRAY_REF on valist.
	(i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.

Thu Oct 28 09:45:48 1999  Mark Mitchell  <>

	* gcse.c (delete_null_pointer_checks): Fix typo in previous change.

Thu Oct 28 03:37:50 1999  Peter Gerwinski <>

	* tree.def (PLACEHOLDER_EXPR): Update comments.

Thu Oct 28 06:47:32 1999  Kaveh R. Ghazi  <>

	* c-common.c (check_format_info): Avoid non-literal format string
	warnings when `first_arg_num' is zero.

Thu Oct 28 12:28:48 1999  Bernd Schmidt  <>

	* rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.

Thu Oct 28 11:05:13 1999  Richard Earnshaw <>

	* (casesi_insn): Add a clobber of the condition code

Mon Oct 18 21:16:06 1999  Fred Fish  <>

	* tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
	used by both cc1 and cc1plus.

Thu Oct 28 10:00:48 1999  Nick Clifton  <>

	* config/arm/arm.c: Initialize arm_structure_size_boundary to
	* config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
	to the value 32 if it has not already been defined.
	* config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
	Override definition in arm.h with a value of 8.

Thu Oct 28 03:12:02 1999  David Starner  <>

	* c-pragma.c (push_alignment): Don't check the return value
	of xmalloc.

Thu Oct 28 03:08:38 1999  Matteo Frigo <>

	* sparc.h (ADJUST_COST): Fix thinko.

Thu Oct 28 02:44:03 1999  Glen Nakamura  <>

	* cccp.c (rescan): Fixed obp pointer handling around call to
	check_expand subroutine.

Thu Oct 28 02:15:22 1999  Jeffrey A Law  (

	* gcse.c (delete_null_pointer_checks): Only record non-null info
	for pseudos when examining stores.

	* (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
	splitters for these patterns.  Use "#" for output templates.
	(addsi3_carryin_shift): New pattern.

Thu Oct 28 10:20:02 1999  Geoffrey Keating  <>

	* config/rs6000/ (movsf): Don't convert a SUBREG
	of the function return register into a plain REG until
	after function inlining is done.

Wed Oct 27 15:21:46 1999  Richard Henderson  <>

	* jump.c (jump_optimize_1): If we did cross-jumping, and
	the data will matter, rebuild the CFG.
	* reg-stack.c (reg_to_stack): Only (re)build the CFG if
	not optimizing.  Don't run shorten_branches.
	* toplev.c (rest_of_compilation): Run shorten_branches after

Wed Oct 27 12:33:40 1999  Mark Mitchell  <>

	* rtl.h (note_stores): Add additional parameter.
	* rtlanal.c (reg_set_p_1): Take additional parameter.
	(reg_set_last_1): Likewise.
	(reg_set_p): Adjust call to note_stores.
	(reg_set_last): Likewise.
	(note_stores): Pass data parameter to worker function.
	* alias.c (record_set): Take additional parameter.
	(init_alias_analysis): Pass it.
	* caller-save.c (mark_set_regs): Take additional parameter.
	(save_call_clobbered_regs): Pass NULL to note_stores.
	* combine.c (set_nonzero_bits_and_sign_copies): Take additional
	(record_dead_and_set_regs_1): Likewise.
	(reg_dead_at_p_1): Likewise.
	(combine_instructions): Adjust calls to note_stores.
	(try_combine): Likewise.
	(record_dead_insn): Remove.
	(record_dead_and_set_regs): Adjust calls to note_stores.
	(reg_dead_at_p): Likewise.
	* cse.c (invalidate_skipped_set): Take additional parameter.
	(cse_check_loop_start): Likewise.
	(cse_check_loop_start_value): Remove.
	(cse_set_around_loop): Adjust calls to note_stores.
	* flow.c (notice_stack_pointer_modification): Take additional
	parameter.  Remove duplicate declaration.
	(record_volatile_insns): Adjust calls to note_stores.
	* gcse.c (record_set_info): Take additional parameter.
	(record_last_set_info): Likewise.
	(invalidate_nonnull_info): Likewise.
	(record_set_insn): Remove.
	(compute_sets): Adjust calls to note_stores.
	(last_set_insn): Remove.
	(compute_hash_table): Adjust calls to note_stores.
	(insert_insn_end_bb): Likewise.
	(delete_null_pointer_checks): Likewise.
	* global.c (mark_reg_store): Take additional parameter.
	(mark_reg_clobber): Likewise.
	(reg_becomes_live): Likewise.
	(global_conflicts): Adjust calls to note_stores.
	(build_insn_chain): Likewise.
	* integrate.c (note_modified_parmregs): Take additional parameter.
	(mark_stores): Likewise.  Make it static.
	(save_for_inline_nocopy): Adjust calls to note_stores.
	(try_constants): Likewise.
	* integrate.h (mark_stores): Remove declaration.
	* jump.c (mark_modified_reg): Take additional parameter.
	(thread_jumps): Adjust calls to note_stores.
	* local-alloc.c (validate_equiv_mem_from_store): Take additional
	(no_equiv): Likewise.
	(reg_is_set): Likewise.
	(validate_equiv_mem): Adjust calls to note_stores.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* loop.c (note_set_pseudo_multiple_uses_retval): Remove.
	(note_addr_stored): Take additional parameter.
	(note_set_pseudo_multiple_uses): Likewise.
	(record_initial): Likewise.
	(prescan_loop): Adjust calls to note_stores.
	(strength_reduce): Likewise.
	(check_dbra_loop): Likewise.
	* regmove.c (flags_set_1): Take additional parameter.
	(mark_flags_life_zones): Adjust calls to note_stores.
	* reload1.c (mark_not_eliminable): Take additional parameter.
	(forget_old_reloads_1): Likewise.
	(reload_cse_invalidate_rtx): Likewise.
	(reload_cse_check_clobber): Likewise.
	(reload_combine_note_store): Likewise.
	(move2add_note_store): Likewise.
	(reload): Adjust calls to note_stores.
	(reload_as_needed): Likewise.
	(emit_reload_insns): Likewise.
	(reload_cse_regs_1): Likewise.
	(reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
	(reload_combine): Adjust calls to note_stores.
	* resource.c (update_live_status): Take additional parameter.
	(mark_target_live_regs): Adjust calls to note_stores.
	* stupid.c (find_clobbered_regs): Take additional parameter.
	(stupid_life_analysis): Adjust calls to note_stores.

Wed Oct 27 19:26:12 1999  Nick Clifton  <>

	* config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete

	* config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete

	* config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
	of the variable arm_structure_size_boundary.

Wed Oct 27 02:05:58 1999  Mark P. Mitchell  <>

	* alias.c (init_alias_analysis): Allocate reg_known_value and
	reg_known_equiv_p on the heap.  Likewise for new_reg_base_value
	and reg_seen.
	(end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
	* cse.c (cse_main): Call end_alias_analysis.
	* haifa-sched.c (schedule_insns): Likewise.
	* local-alloc. (update_equiv_regs): Likewise.
	* reload1.c (reload_cse_regs): Likewise.

Wed Oct 27 01:49:17 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
	* sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
	mapping from MASK_FPU.

Wed Oct 27 01:42:26 1999  Scott Christley  <>

	* (call): Don't bound structure return size to 0xfff.

Wed Oct 27 00:56:59 1999  Richard Henderson  <>

	* resource.c (mark_target_live_regs): Check that the target
	insn wasn't created after compute_bb_for_insn.

Tue Oct 26 23:15:03 1999  Mark Mitchell  <>

	* ggc-page.c (poison_pages): Don't be overzealous.

Tue Oct 26 23:29:18 1999  Jeffrey A Law  (

	* alias.c: Update comments for ADDRESS.
	(nonlocal_reference_p): Look inside the ADDRESS to determine if
	it is a local memory reference.

	* c-typeck.c (build_function_call): Check that the built-in
	function is of class BUILT_IN_NORMAL before trying to recongize
	it as BUILT_IN_ABS.
	* calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
	* stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.

Wed Oct 27 00:14:13 1999  Robert Lipe  <>

	* gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
	of alloca.
	(pre_gcse): Likewise.
	(hoist_expr_reaches_here_p): Likewise.
	(hoist_code): Likewise.
	(pre_expr_reaches_here_p): Replace alloca with xcalloc.  Move core
	code to ...
	(pre_expr_reaches_here_p_work): ... here.
	(expr_reaches_here_p): Replace alloca with xcalloc.  Move core
	code to ...
	(expr_reaches_here_p_work): ... here.

Tue Oct 26 20:42:45 1999  Richard Henderson  <>

	* resource.c (find_basic_block): Delete.
	(mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
	(init_resource_info): Call compute_bb_for_insn.

Tue Oct 26 20:21:02 1999  Richard Henderson  <>

	* flow.c (merge_blocks_move_predecessor_nojumps): Cope
	with already adjacent blocks, but no fallthru.
	(merge_blocks_move_successor_nojumps): Simplify.
	(debug_flow_info): New.

	* toplev.c (rest_of_compilation): Open jump1 dump file before
	jump and close after, as opposed to just using dump_rtl.

Wed Oct 27 03:09:23 1999  J"orn Rennecke <>

	* reload.h (earlyclobber_operand_p): Declare.
	* reload.c (earlyclobber_operand_p): Don't declare.  No longer static.
	* reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
	an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
	case where the RELOAD_OTHER reload is new.  Use earlyclobber_operand_p.

Tue Oct 26 18:23:38 1999  Jan Hubicka  <>
			  Richard Henderson  <>

	* emit-rtl.c (emit_block_insn_before): New.
	(emit_block_insn_after): New.
	* basic-block.h: Declare them.

	* bitmap.h: Protect from multiple inclusion.

	* recog.c (scratch_operand): Handle VOIDmode correctly.


	* builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
	* function.c (assign_parms): Likewise.
	* global.c (global_conflicts): Clarify STACK_REGS commentary.

	* reg-stack.c (max_uid): Remove.
	(blocks, block_begin, block_end, block_drops_in): Remove.
	(block_stack_in, block_out_reg_set, block_number): Remove.
	(struct block_info_def, BLOCK_INFO): New.
	(enum emit_where): New.
	(current_block): New.
	(BLOCK_NUM): Remove.
	(mark_regs_pat, record_label_references): Remove.
	(record_reg_life_pat, record_reg_life, find_blocks): Remove.
	(nan): New.
	(goto_block_pat, print_blocks, dump_stack_info): Remove.
	(reg_to_stack): Simplified test for existence of fp code.  Use
	flow.c code.  Call shorten_branches after cross-jump opt.
	(check_asm_stack_operands): Renamed from record_asm_reg_life.
	Return false if the asm doesn't use stack regs.  Don't do life
	analysis on the asm.
	(emit_pop_insn): Replace function pointer arg `when' with
	enum `where'.  Update all callers.
	(change_stack): Likewise.  Update basic block end.
	(emit_swap_insn): Use current_block->head to limit reverse search
	for start of block.  Use emit_block_insn_after.
	(subst_stack_regs_pat): Handle USE and CLOBBER patterns.
	(subst_asm_stack_regs): Use check_asm_stack_operands.  Use direct
	structure assignment instead of bcopy.
	(print_stack): New.
	(convert_regs_entry, convert_regs_exit): New.
	(convert_regs_1, convert_regs_2): Split out from convert_regs.
	Work on basic blocks and the CFG.
	(convert_regs): Use them.

	* i386.c (output_fix_trunc): Remove code for DImode input operand
	not at top-of-stack.
	* i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
	appropriate mode.
	(fix_truncdi_1): Allow any mode scratch.

Tue Oct 26 13:30:35 1999  Richard Henderson  <>

	* alpha.h (TARGET_MEM_FUNCTIONS): Define here.
	* linux.h, netbsd.h, vms.h: Not here.

1999-10-26  Gavin Romig-Koch  <>

	* config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
	* config/mips/mips.c (mips_move_1word,mips_move_2words,
	gen_conditional_branch,override_options) : Use them.
	* config/mips/ : Use them.

Tue Oct 26 13:09:23 1999  Richard Henderson  <>

	* (zero_extendqihi2): Use SImode register name with andl.

Tue Oct 26 12:35:38 1999  Richard Henderson  <>

	* integrate.c (function_cannot_inline_p): Don't allow inlining
	if setjmp is used.

Tue Oct 26 14:10:23 1999  Kaveh R. Ghazi  <>

	* (cast_expr): Constify.

	* cccp.c (special_symbol): Likewise.

	* cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.

	* dwarf2out.c (base_type_die): Likewise.

	* global.c (allocno_compare): Likewise.

	* local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.

	* regclass.c (fix_register): Likewise.

	* rtl.h (fix_register): Likewise.

	* stupid.c (stupid_reg_compare): Likewise.

	* toplev.c (decode_f_option): Likewise.

	* tree.c (build_complex_type): Likewise.

Tue Oct 26 18:35:25 1999  Richard Earnshaw  <>

	* output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.

Tue Oct 26 15:42:56 1999  Bernd Schmidt  <>

	* reload.c (find_reloads): Compute mode and nregs fields of all
	* reload1.c (calculate_needs_all_insns): Simplify a bit.
	(calculate_needs): Use precomputed mode/nregs values.
	(allocate_reload_reg): Likewise.
	Break out two...
	(failed_reload, set_reload_reg): ... new functions.
	(choose_reload_regs_init): New function, mostly broken out from...
	(choose_reload_regs): ... here.  Lose all the save_xxx nonsense.
	Also lose one #if 0 block.

Tue Oct 26 02:48:32 1999  Marc Espie <>

	* (AR_FOR_TARGET, RANLIB_FOR_TARGET):  Fix target name

Tue Oct 26 01:27:32 1999  Mark Mitchell  <>

	* tree.h (BLOCK_TYPE_TAGS): Remove.
	(BLOCK_END_NOTE): Likewise.
	(tree_block): Remove live_range_flag, live_range_var_flag, and
	type_tags.  Remove end_note, live_range_start, and live_range_end.
	(remember_end_note): Remove prototype.
	* tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
	* c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
	* ggc-common.c (ggc_mark_tree_children): Don't mark
	* integrate.c (adjust_copied_decl_tree): Remove.
	* print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
	* stmt.c (last_block_end_note): Remove.
	(init_stmt): Don't add a GC root for it.
	(expand_fixup): Don't set it.
	(remember_end_note): Remove.
	(expand_end_bindings): Don't set last_block_end_note.

Tue Oct 26 00:41:54 1999  Bernd Schmidt  <>

	* reload1.c (reload_reg_free_for_value_p): Show
	RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER

Mon Oct 25 23:54:45 1999  Geoff Keating  <>

	* expmed.c (extract_bit_field): Allow for the case of non-integer
	objects that are smaller than a word (like SFmode on a 64-bit

	* loop.c (basic_induction_var): A non-integer variable which is
	being set by a paradoxical subreg is probably not a biv.

1999-10-25 Herman A.J. ten Brugge <>

	* prefix.c (translate_name) Check for empty prefix string.

Mon Oct 25 23:10:45 1999  Andreas Schwab  <>

	* (CPP_CROSS_NAME): New variable.
	(install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
	(uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
	names of the files to be uninstalled.

Mon Oct 25 23:03:09 1999  Jeffrey A Law  (

	* collect2.c (IS_DIR_SEPARATOR): Define.
	(prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.

	* som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
	functions too.

	* haifa-sched.c (add_dependence): Update the true dependency
	cache the first time we add a true dependence to the LOG_LINKS chain.

Mon Oct 25 22:27:40 1999  Jim Kingdon  <>

	* fold-const.c (fold): Fix comment.

Mon Oct 25 22:49:34 1999  Kaveh R. Ghazi  <>

	* dbxout.c (lastfile, cwd, dbxout_type_method_1,
	dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
	dbxout_start_new_source_file, dbxout_source_file,
	dbxout_source_line, dbxout_finish, dbxout_type_fields,
	dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
	Constify a char*.
	(dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
	(dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
	(dbxout_block): Initialize variable `blocknum'.

	* dbxout.h (dbxout_init, dbxout_finish,
	dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
	dbxout_args, dbxout_source_line): Constify a char*.

	* dwarfout.c (dwarf_tag_name, dwarf_attr_name,
	dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
	dwarf_fund_type_name, name_attribute, stmt_list_attribute,
	low_pc_attribute, high_pc_attribute, body_begin_attribute,
	body_end_attribute, comp_dir_attribute, sf_names_attribute,
	src_info_attribute, mac_info_attribute, producer_attribute,
	lookup_filename, generate_macinfo_entry, fundamental_type_code,
	dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
	dwarfout_undef): Constify a char*.
	(add_incomplete_type, retry_incomplete_types): Add prototypes.

	* dwarfout.h (dwarfout_define, dwarfout_undef,
	dwarfout_start_new_source_file, dwarfout_line): Constify a char*.

1999-10-25  Gavin Romig-Koch  <>

	* config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
	* config/mips/mips.c (): Remove the now unnecessary definition
	* config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
	unnecessary definition.

Mon Oct 25 22:08:35 1999  Richard Earnshaw (

	* (pic_load_addr): Add constraints to operand 1.

1999-10-25  Bruce Korb  <>

	* fixinc/genfixes:  Provide a means for specifying -D options to

Mon Oct 25 00:42:35 1999  Jeffrey A Law  (

	* arm.c (arm_override_options): Correct initialization of
	arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
	arm_is_strong, and arm_is_6_or_7.

	* loop.c (note_set_pseudo_multiple_uses_retval): New variable.
	(note_set_pseudo_multiple_uses): New function.
	(check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
	if a pseudo set in the loop exit is used elsewhere.

Sun Oct 24 20:52:40 1999  Mark Mitchell  <>

	* (mulsi3): Tweak to work with SCO OSR5 COFF assembler.

Sun Oct 24 21:02:46 1999  Richard Henderson  <>

	* (*lea_0): Collapse addsi_0, addsi_lea_[123] into
	a single load-address pattern.

Sun Oct 24 19:33:24 1999  Mark P. Mitchell  <>

	* haifa-sched.c (schedule_insns): Don't assign LUIDs differently
	depending on whether or not line-number notes are present.

Sun Oct 24 20:29:59 1999  Kaveh R. Ghazi  <>

	* cccp.c (progname, file_buf, default_include, include_file,
	macrodef, definition, hashval, wchar_type, user_label_prefix,
	directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
	expand_to_temp_buffer, is_system_include, base_name,
	absolute_filename, read_name_map, open_include_file,
	record_control_macro, check_precompiled, check_preconditions,
	pcfinclude, pass_thru_directive, create_definition,
	check_macro_name, comp_def_part, collect_expansion,
	check_assertion, read_token_list, assertion_install,
	assertion_lookup, eval_if_expression, conditional_skip,
	validate_else, skip_quoted_string, quote_string, macarg1,
	error_from_errno, install, lookup, hashf, dump_defn_1,
	perror_with_name, pfatal_with_name, main, trigraph_pcp,
	check_white_space, rescan, handle_directive, monthnames,
	special_symbol, do_include, remap_include_file, write_output,
	arglist, do_assert, do_unassert, do_line, do_error, do_once,
	do_ident, do_sccs, do_xifdef, skip_if_group,
	output_line_directive, macroexpand, macarg, change_newlines,
	initialize_builtins, make_definition): Constify a char*.

	* pcp.h (stringdef): Likewise.

Sun Oct 24 13:29:28 1999  Richard Henderson  <>

	* unroll.c (copy_loop_body): Examine SET_DEST of single_set
	not of pattern.

Sun Oct 24 13:14:20 1999  Graham  <>
			  Richard Henderson  <>

	* alias.c: Include ggc.h.
	(reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
	(record_set): Verify enough room in reg_base_value.
	(init_alias_analysis): Allocate reg_base_value with xcalloc.
	Register it as a GC root.
	(end_alias_analysis): Free reg_base_value.  Remove it as a GC root.
	* (alias.o): Depend on ggc.h.

	* unroll.c (unroll_loop): Verify the insn before a barrier
	is a JUMP_INSN before checking JUMP_LABEL.

Sun Oct 24 15:46:44 1999  Kaveh R. Ghazi  <>

	* mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
	* mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
	* mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.

Sun Oct 24 15:35:43 1999  Kaveh R. Ghazi  <>

	* output.h (ctors_section, dtors_section, bss_section): Prototype.

	* alpha/alpha-interix.h (text_section): Delete prototype.
	* alpha/elf.h (text_section): Likewise.
	* arm/linux-elf.h (text_section): Likewise.
	* arm/linux-telf.h (text_section): Likewise.
	* c4x/c4x.h (text_section): Likewise.
	* dsp16xx/dsp16xx.h (bss_section): Likewise.
	* elfos.h (text_section): Likewise.
	* i386/aix386ng.h (text_section): Likewise.
	* i386/i386-interix.h (text_section): Likewise.
	* i386/sco5.h (text_section): Likewise.
	* i386/svr3gas.h (text_section): Likewise.
	* nextstep.h (text_section): Likewise.
	* psos.h (text_section): Likewise.
	* ptx4.h (text_section): Likewise.
	* svr3.h (text_section): Likewise.
	* svr4.h (text_section, ctors_section, dtors_section): Likewise.

Sun Oct 24 15:20:59 1999  Kaveh R. Ghazi  <>

	* final.c (peephole): Delete prototype.

	* gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
	(pre_insert_copies): Remove unused variable `bb'.

	* genrecog.c (debug_decision_0, debug_decision_list, main): Add

	* output.h (peephole): Add prototype.

Sun Oct 24 11:35:30 1999  Mark P. Mitchell  <>

	* config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to

Sat Oct 23 21:13:00 1999  Mark Mitchell  <>

	* integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
	for inlined declarations.

Fri Oct 22 18:05:43 1999  Jeffrey A Law  (

	* arm.c (logical_binary_operator): New fucntion.
	* arm.h (logical_binary_operator): Declare it.
	(PREDICATE_CODES): Handle logical_binary_operator.
	* (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
	output constraints.  Add appropriate splitters.
	(anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
	(iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
	(xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.

Fri Oct 22 23:46:50 1999  Bernd Schmidt  <>

	* genoutput.c (struct operand_data): New elt eliminable.
	(output_operand_data): Write it.
	(scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
	(compare_operands): Take it into account.
	* recog.h (struct insn_operand_data): New elt eliminable.
	* reload1.c (check_eliminable_occurrences, elimination_effects): New
	(old_asm_operands_vec, new_asm_operands_vec): Delete.
	(eliminate_regs): Move code that detects changes to elimination
	target regs into new function elimination_effects.
	Delete one #if 0 block.
	(eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
	Only call eliminate_regs for real operands of the insn, not for parts
	of its structure or parts matched by things like match_operator.
	Use elimination_effects and check_eliminable_occurrences.  Use
	copy_insn to duplicate the pattern when not in the final pass.

Fri Oct 22 09:03:44 1999  Mark Mitchell  <>

	* Add missing `y' modifiers to uses of fst, fstp, fld,
	and fld.

1999-10-22  Bruce Korb  <>

	* fixinc/README: document the "mach" machine matching test
	* fixinc/fixfixes.c: Implement the #else/#endif label fix
	* fixinc/fixtests.c: Implement the #else/#endif label test
	* fixinc/inclhack.def: utilize these tests and fixes
	* fixinc/  regen
	* fixinc/fixincl.x:  regen
	* fixinc/  regen

Thu Oct 21 20:37:19 1999  Jeffrey A Law  (

	* (cse.o): Depend on hashtab.h, not splay-tree.h.  Also
	depend on ggc.h.

Thu Oct 21 20:30:19 1999  Matthias Klose  <>

	* gcc.1: Document exit codes.

Thu Oct 21 12:49:05 1999  Kaveh R. Ghazi  <>

	* calls.c: Include tm_p.h later, so everything we need is defined.
	* expr.c: Likewise.
	* function.c: Likewise.

	* except.c: Include tm_p.h.

	* sparc.c: Likewise.
	(dwarf2out_cfi_label): Don't prototype.
	(check_return_regs, epilogue_renumber,
	ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
	ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
	ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
	ultra_schedule_insn): Add static prototype.
	(data_segment_operand, text_segment_operand): Call itself with the
	proper number of arguments.
	(sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.

	* sparc.h: Move all declarations to sparc-protos.h.
	(SELECT_RTX_SECTION):  Pass a missing MODE argument to

	* sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.

	* config/svr4.h (text_section, ctors_section, dtors_section): Add
	ASM_OUTPUT_ASCII): Constify a char*.

	* sparc-protos.h: New file for sparc prototypes.

Thu Oct 21 12:23:40 1999  Kaveh R. Ghazi  <>

	* function.c (record_insns, contains): Always declare and define.
	(record_insns): Mark with ATTRIBUTE_UNUSED.

Thu Oct 21 13:03:49 1999  Jonathan Larmour  <>

	* config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
	to .section when outputting a .bss section to deal with multiple
	.bss input sections (as happens with -fdata-sections)
	Also output %progbits, not @progbits so the assembler doesn't treat as
	a comment.
	* config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise

	* config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
	thumb parts even when building with non-thumb CPUs, by forcing
	thumb mode.

Wed Oct 20 22:57:58 1999  Jeffrey A Law  (

	* (movsf_const_intreg): If splitting, length must be > 1.
	(movdf_const_intreg_sp64): Similarly.

	* local-alloc.c (update_equiv_regs): Check the correct insn
	for pre-existing REG_EQUIV notes.

Wed Oct 20 20:41:46 1999  Mark Mitchell  <>

	* cse.c (cse_end_of_basic_block): Don't return the end of a basic
	block reached by a branch if we're not going to actually process
	this block.

Wed Oct 20 15:18:42 1999  Jim Wilson  <>

	* integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
	a local extern function declaration.

Wed Oct 20 13:56:01 1999  Richard Henderson  <>

	* i386.c (ix86_expand_prologue): Properly wrap USE around

Thu Oct 14 18:51:37 1999  Andrew Haley  <>

	* config/mips/ (movdf_internal1a): Allow floating-point
	move between GP_REGs.

Wed Oct 20 15:36:11 1999  Andrew Haley  <>

	* config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
	the mode size when finding out if an offset is legal.

Wed Oct 20 06:26:58 1999  Richard Henderson  <>

	* basic-block.h (PROP_*): Move constants from ...
	* flow.c: ... here.
	(compute_bb_for_insn): Free the array before reallocating.
	(update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
	(allocate_reg_life_data): Reset all reg variables collected by
	(get_block_head_tail): Don't convert from bb to block.
	(get_bb_head_tail): New.  Update all callers of get_block_head_tail.
	(find_insn_reg_weight): Take block not bb.
	(schedule_block): Don't set block num for moved insns.
	(schedule_region): Don't update_life_info or find_insn_reg_weight.
	(schedule_insns): Do it here instead.
	* combine.c (combine_instructions): Invoke compute_bb_for_insn
	before update_life_info.
	* recog.c (split_all_insns, peephole2_optimize): Update for
	new arg to update_life_info.
	* rtlanal.c (remove_note): Cope with NULL note.
	* toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
	if we did sched1.

Wed Oct 20 10:46:41 1999  Richard Earnshaw (

	* jump.c (jump_optimize_1): More accurately detect casesi insns.

	* flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
	block records so that merge_blocks_nomove will clean up correctly.
	(split_edge): Handle casesi insns.

	* gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.

Tue Oct 19 23:43:50 1999  Jeffrey A Law  (

	* (call, call_value): Do not emit a blockage after restoring
	the PIC register.

Tue Oct 19 17:22:39 1999  Mark Mitchell  <>

	* c-typeck.c (c_expand_asm_operands): Fix typo.

Tue Oct 19 18:42:58 1999  Bernd Schmidt  <>

	* arm.c (fpu_rhs_operand): Verify modes.
	(fpu_add_operand): Likewise.
	(di_operand): Likewise.
	(soft_df_operand): Likewise.

Tue Oct 19 15:26:11 1999  Richard Earnshaw  (

	* arm.c (arm_return_in_memory): APCS rules state that the elements
	of a structure returned in a register must be 'integer-like'.

1999-10-19  Bruce Korb  <>

	* fixinc/ Change the generation rules to run `genfixes'
	in the source tree when the generated targets are out of date
	* fixinc/genfixes: Alter it to run individual fixes for make.
	* fixinc/README: rewrite
	* fixinc/inclhack.def: moved initial comments to README

Tue Oct 19 14:01:34 1999  Nick Clifton  <>

	* toplev.c (main): Do not generate an error message if an
	unrecognized command line switch is recognizable by another
	language.  If extra_warnings are enabled, then generate a
	warning message instead.

Tue Oct 19 11:41:12 1999  Mumit Khan  <>

	* c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
	(insert_pack_attributes): Delete prototype.

	* c-pragma.c (default_alignment): New static variable.
	(push_alignment): Initialize to current effective alignment.
	(pop_alignment): Use to set new alignment.
	(insert_pack_attributes): Delete function.
	(handle_pragma_token): Set default_alignment as well each time
	a #pragma pack(<n>) is encountered.

Tue Oct 19 02:03:00 1999  Jeffrey A Law  (

	* reg-stack.c (stack_result): Aggregates are not returned in
	stack registers.

Tue Oct 19 01:26:48 1999  Alasdair Baird <>

	* fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.

Mon Oct 18 15:19:41 1999  Richard Henderson  <>

	* basic-block.h (set_block_num): Declare.
	* flow.c (update_life_info): Don't call compute_bb_for_insn
	or free_basic_block_vars.
	* haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
	(insn_orig_block): Remove.
	(INSN_BLOCK): Remove.  Update all callers to use BLOCK_NUM.
	(schedule_block): Keep BLOCK_NUM up-to-date.
	(schedule_insns): Use compute_bb_for_insn.
	* recog.c (split_all_insns): Likewise.
	(peephole2_optimize): Likewise.

Mon Oct 18 18:50:51 1999  Andreas Schwab  <>

	* config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
	if the pic register is used.

Mon Oct 18 02:38:46 1999  Bernd Schmidt  <>

	* c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
	(finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
	if that tests TREE_PERMANENT.

Mon Oct 18 01:41:35 1999  Jeffrey A Law  (

	* cse.c (invalidate_for_call): Do not remove memory references from
	the table here.  It's handled elsewhere.

	* haifa-sched.c (add_dependence): Protect references to the
	true dependency cache with #ifdef INSN_SCHEDULING.
	(remove_dependence): Similarly.

	* (outline_epilogue_jump): Embed a (return) to indicate
	to the cfg code that this is a return instruction.
	* (return_internal): Similarly.

	* combine.c (get_last_value): If the last set of a register
	is after subst_low_cuid, then we can not use it to determine
	the register's last value.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <>

	* Back out previous change.

Sun Oct 17 15:22:50 1999  Jeffrey A Law  (

	* pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).

	* haifa-sched.c (add_dependence): Only check/update the cache
	if it exists.
	(remove_dependence): Likewise.
	(schedule_insns): Only create the true_dependency_cache if the
	average number of instructions in a basic block is very large.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <>

	* (ggc-common.o): Depend on genrtl.h.
	(ggc-simple.o): Likewise.
	(ggc-page.o): Likewise.

Sun Oct 17 02:09:50 1999  Andrew MacLeod  <>

	* basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
	Prototype for exported functions.
	(pre_lcm, pre_rev_lcm): Remove prototypes.
	* gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
	(compute_available): Move to lcm.c, and change parameter order.
	(one_classic_gcse_pass): Call compute_ae_kill with parameters.
	(pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
	(gcse_main): No longer call compute_preds_succs.  Rebuild the
	set table after reach pre pass.
	(pre_insert_map, pre_delete_map, edge_list): New.
	(alloc_pre_mem): Allocate edge vectors.
	(free_pre_mem): Delete edge vectors.
	(compute_pre_data): Call new edge based lcm routines.
	(process_insert_insn): New function.
	(insert_insn_end_bb): Use it.
	(pre_edge_insert): New function.
	(pre_insert_copy_insn): Formatting fixes.  Update BLOCK_END as
	(pre_insert_copies): Revamp using new edge based lcm outputs.
	(pre_delete): Likewise.
	(one_pre_gcse_pass): Insert & remove fake edges to the exit
	(compute_code_hoist_vbeinout): New new edge based routines.
	* lcm.c: Remove all the old LCM functions.  Replace with new ones
	that work with the new cfg datastructures and work with edges
	instead of blocks.

Sun Oct 17 00:44:17 1999  Bernd Schmidt  <>

	* reload.h (struct reload): Add new fields "mode" and "nregs".
	* reload1.c: Change all occurrences of reload_mode and reload_nregs
	to reference the "mode" and "nregs" field within struct reload.

Sat Oct 16 21:50:28 1999  Jeffrey A Law  (

	* haifa-sched.c (true_dependency_cache): New.
	(add_dependence): Use the true dependency cache to avoid expensive
	walks down the LOG_LINKS dependency list.  Add entries to the
	cache as necessary.
	(remove_dependence): Remove entries from the true dependency cache
	as needed.
	(schedule_insns): Allocate and initialize and free the true
	dependency cache.

	* haifa-sched.c (schedule_insns): Do not remove inter-block
	dependencies anymore.

Sat Oct 16 11:19:52 1999  Richard Henderson  <>

	* i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
	* i386/t-winnt: Likewise.

Sat Oct 16 11:11:54 1999  Richard Henderson  <>

	* ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.

1999-10-16  Manfred Hollstein  <>

	* (LANGUAGES): Omit "proto".
	(clean): Remove stale comment about removing unprotoize.c.

Sat Oct 16 11:29:14 1999  Kaveh R. Ghazi  <>

	* protoize.c (safe_read, safe_write): Avoid the gcc extension of
	using arithmetic on void pointers.

Sat Oct 16 02:48:22 1999  Jeffrey A Law  (

	* haifa-sched.c (compute_block_forward_dependencies): Only check
	for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.

Sat Oct 16 00:07:01 1999  Richard Henderson  <>

	* gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
	(expr_equiv_p): Reject memories with different alias sets.

Fri Oct 15 15:17:29 1999  Greg McGary  <>

	* flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
	* toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
	(f_options): Add "bounded-pointers" and "bounds-check" entries.
	* c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
	(lang_init): Set default for flag_bounds_check if still "unspecified".

Sat Oct 16 13:42:29 1999  Michael Hayes  <>

	* config/c4x/ (HF mode patterns):  Add missing modes.

Sat Oct 16 13:37:46 1999  Michael Hayes  <>

	* config/c4x/ (movstrqi_small): Utilize parallel move

Sat Oct 16 13:26:47 1999  Michael Hayes  <>

	* config/c4x/ (*db_noclobber,
	*decrement_and_branch_until_zero_noclobber): New patterns and
	associated splitters.

Sat Oct 16 13:13:15 1999  Michael Hayes  <>

	* config/c4x/ (parallel instruction patterns): Rework
	constraints to keep reload happy.

Sat Oct 16 13:03:16 1999  Michael Hayes  <>

	* config/c4x/ (*absqi2_noclobber, *negqi2_noclobber,
	*one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
	*andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
	Add new patterns and associated post-reload splitters.

Sat Oct 16 12:42:12 1999  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.

Sat Oct 16 12:34:44 1999  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
	if appropriate.
	* config/c4x/ (rpts_top): New pattern and splitter.

Sat Oct 16 12:26:30 1999  Michael Hayes  <>

	* config/c4x/c4x.c (src_operand):  Check SYMBOL_REF and LABEL_REF
	memory mode.

Fri Oct 15 17:02:09 1999  Jeffrey A Law  (

	* pa.c (move_operand): Rely on memory_address_p to determine the
	validity of non-indexed memory addresses.
	* pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
	operand in DFmode and SFmode when generating PA2.0 code.

Fri Oct 15 14:25:19 1999  Richard Henderson  <>

	* print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.

Fri Oct 15 13:48:45 1999  Richard Henderson  <>

	* mips.c (function_prologue): Fix argument types.
	* (casesi): Use emit_jump_insn for casesi_internal.
	(casesi_internal): Write to the scratch register.

1999-10-15 11:16 -0700  Zack Weinberg  <>

	* cppexp.c (cpp_parse_escape): Make static.  Change second arg
	to U_CHAR **.
	(parse_charconst): Delete unnecessary cast when calling
	(cpplib.h): Kill prototype of cpp_parse_escape.

Fri Oct 15 11:02:46 1999  Richard Henderson  <>

	Based on patch from Michael Gschwind <>:
	* unroll.c (unroll_loop): Cast return value of alloca.
	* i370/i370.c: Include function.h and toplev.h.
	(i370_label_scan): Remove c++ commented abort.
	* i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
	(ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
	* i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
	* i370/xm-mvs.h, i370/xm-oe.h: Likewise.

Fri Oct 15 03:01:01 1999  Loren Rittle  <>

	* config/t-freebsd: Do not override USER_H.
	* ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.

Fri Oct 15 02:37:28 1999  Alastair J. Houghton <>
			  Mumit Khan  <>

	* (component_decl): Support anonymous struct/union.
	(%expect): Update.
	* c-parse.y: Regenerate.
	* c-parse.c: Likewise.
	* objc/objc-parse.y: Likewise.
	* objc/objc-parse.c: Likewise.
	* c-decl.c (finish_struct): Don't sort the fields.
	(field_decl_cmp): Delete unused function.

Fri Oct 15 01:20:52 1999  Richard Henderson  <>

	* (movsf_const_intreg): Revert last constraint change.
	(movdf_const_intreg_sp32): Likewise.

Fri Oct 15 01:47:51 1999  Vladimir Makarov  <>

	* cse.c: Include hashtab.h instead of splay-tree.h
	(struct cse_reg_info): No longer use variant union.  Add new
	field "regno".  All references changed to avoid union.
	(cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
	(free_cse_reg_info): Remove.
	(hash_cse_reg_info, cse_reg_info_equal_p): New functions.
	(get_cse_reg_info): Revamp to use expandable hash tables instead
	of splay trees.  Initialize new fields in cse_reg_info structure.
	(new_basic_block): Similarly.

Thu Oct 14 23:51:56 1999  Richard Henderson  <>

	* genrecog.c (message_with_line): Prototype.
	(validate_pattern): Pass along the set for the dest, not a flag.
	Fix non-lvalue message.  Don't warn for VOIDmode SET_DEST of CALL.
	Check for PC/CC0 as sources.
	(nodes_identical): Check for children position match before
	allowing the combination.

	* rtl.c (read_rtx): Track line number across \\\n.

Thu Oct 14 23:50:25 1999  Richard Henderson  <>

	* (*) Use nonimmediate_operand not general_operand for outputs.
	(movdi+1, movsi+1): Add output reload constraint.
	(casesi_internal): Likewise.  Fix commentary.
	(return_internal): Use pmode_register_operand.

Thu Oct 14 23:19:34 1999  Richard Henderson  <>

	* (movstrqi): Add missing output reload constraint.
	(call_value): Likewise.
	* (cpxxx patterns): Add missing match_operator mode.
	(jmpfdec): Add missing inout reload constraint.
	* (addsi patterns): Add missing output reload constraint.
	(move from sp): Use @ alternates.
	(call_value): No constraint on output.
	* (movsi_pop): Add missing output reload constraint.
	(movsf_constant_store): Likewise.
	(splits): Remove constraints.
	(subsi3): Add missing mode.
	* (cmpstrsi+1): Add missing output reload constraint.
	(call_value): Likewise.
	* (cmpinc/cmpdec patterns): Add inout reload constraints.
	* m32r.h (PREDICATE_CODES): Add seth_add3_operand.
	* (movsicc_internal): Add output reload constraint.
	(movstrsi_internal): Add inout reload constraints.
	* m88k.h (reg_names): Don't declare.
	* (*): Use register_operand not reg_or_0_operand
	on destinations.
	* mn10200.h (PREDICATE_CODES): New.
	* (ffs pattern): Add output reload constraint.
	* (sob pattern): Add inout reload constraint.
	* (splits): Remove constraints.
	(indirect_jump_scratch, fpu_switch): Add output reload constraint.
	* (pattern_is_ok_for_epilogue): Likewise.
	* (jgequ pattern): Add inout reload constraint.

Fri Oct 15 00:05:00 1999  Jeffrey A Law  (

	* (djgpp): Revert previous patch.
	* configure: Rebuit.
	* config/i386/djgpp.h: Revert previous patch.

Fri Oct 15 00:00:24 1999  Loren J. Rittle <>

	* fixinc/inclhack.def: Restore patch lost during last merge of
	"no_bogosity" branch.
	* fixinc/, fixinc/fixincl.x: Rebuilt.

Thu Oct 14 23:57:56 1999  Gavin Romig-Koch  <>

	* fixincludes: Add a HPUX 11 fix for inttypes.h.
	* fixinc/inclhack.def: Same.
	* fixinc/, fixinc/, fixinc/fixincl.x: Regenerate.

Thu Oct 14 22:51:55 1999  Richard Henderson  <>

	as the base of a PLUS.

Fri Oct 15 18:36:07 1999  Michael Hayes  <>

	* config/c4x/  Define mode for remaining unspec operators.
	* config/c4x/c4x.c (dst_operand):  Use nonimmediate_operand.

Thu Oct 14 22:14:23 1999  Richard Henderson  <>

	* (post_stw+1): Use pmode_register_operand.
	(dcacheflush, icacheflush): Likewise.

	* (movstricthi_1): Allow r/r.

Thu Oct 14 19:44:08 1999  Jan Hubicka  <>

	* fold-const.c (fold): Convert (or (not arg0) (not arg1))
	to (not (and (arg0) (arg1))). Similary for and.

	* fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
	fallthrough to associate code.
	Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
	bits in common.

	* combine.c (simplify_logical): Convert XOR to IOR if operands have
	no bits in common; remove XOR to ROTATE conversion.

Fri Oct 15 17:40:11 1999  Michael Hayes  <>

	* config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.

Fri Oct 15 17:27:17 1999  Michael Hayes  <>

	* config/c4x/c4x.c (dst_operand): New.
	* config/c4x/c4x.h (dst_operand): Declare it.
	* config/c4x/  Define mode for each unspec usage.
	(move patterns):  Use dst_operand predicate instead of src_operand.
	(movqi_update, movqf_update): Delete.

Thu Oct 14 18:48:54 1999  Richard Henderson  <>

	* recog.c (pmode_register_operand): New.
	* recog.h: Declare it.
	* genrecog.c (pred_codes): Likewise.
	(special_mode_pred_table): Likewise.
	(validate_pattern): Don't warn no mode for address_operand.

	* print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
	if the operand is not insn-like.

Thu Oct 14 19:38:42 1999  Jeffrey A Law  (
			  Sylvian Pion <>

	* fold-const.c (fold): Handle more simplifications allowed by IEEE.

Thu Oct 14 17:30:14 1999  Richard Henderson  <>

	* (*): Use {nonimmediate,register}_operand as appropriate
	instead of general_operand in a SET_DEST.  Use const_double_operand
	instead of an explicit test against CONST_DOUBLE.
	(movsf_const_lo): Add missing register mode.
	(goto_handler_and_restore): Add auxiliary test for Pmode.
	(flush): Adjust to use address_operand.
	(return_sf_no_fpu): Add missing output constraint.

Thu Oct 14 17:21:26 1999  Richard Henderson  <>

	* (call_value_indirect_aix32): Use wildcard match_operand
	for call return value.
	(call_value_indirect_aix64, call_value_indirect_nt): Likewise.

Thu Oct 14 13:54:25 1999  Jason Merrill  <>

	* toplev.c (main): Only warn about options for other languages.
	* collect2.c (main): Pass -w to sub-gcc.

Thu Oct 14 16:27:50 1999  Richard Henderson  <>

	* flow.c (propagate_block): Add call-clobbered registers to
	significant too.

	* flow.c (propagate_block): Use free_EXPR_LIST_list instead of
	zapping mem_set_list.
	(invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
	(mark_set_1, mark_used_regs): Likewise.

Thu Oct 14 10:51:49 1999  Richard Henderson  <>

	* (zero_extendsidi2): Add missing output reload constraint.

Wed Oct 13 00:09:18 1999  Gerald Pfeifer  <>

	* invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
	-Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
	options. Also add a new item "C-only Warning Options" to the
	option summary.

1999-10-14  Gavin Romig-Koch  <>

	* libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
	from multiple calls.

Thu Oct 14 04:54:54 1999  Richard Henderson  <>

	* (call value patterns): Move to the end of the file.
	(prologue_set_got, prologue_get_pc): Use register_operand for op 0.

1999-10-14 Mark Elbrecht <>

	* (djgpp configuration): Define extra_objects..
	* configure: Rebuilt.
	* config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
	(LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
	(STARTFILE_SPEC): Add crtbegin.o.
	(ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
	to here from LINK_COMMAND_SPEC.

Thu Oct 14 05:08:14 1999  Andreas Schwab  <>

	* (all.cross): Depend on xcpp$(exeext).

Thu Oct 14 04:00:40 1999  Richard Henderson  <>

	* pa.h (PREDICATE_CODES): New.

	* genrecog.c (validate_pattern): Condense the destination
	non-lvalue message.

Thu Oct 14 03:23:08 1999  Richard Henderson  <>

	* (call-1): Supply missing mode for operator.
	(*): Add missing output reload constraints.  Remove constraints
	from define_splits.

	* (movstricthi_1): Use nonimmediate_operand for op 0.
	(movqi_1, movdi_1, movdi_2, some splits): Likewise.
	(addsi_lea_3): Add missing mode for op 3.
	(prologue_set_got, prologue_get_pc): Add missing modes.
	(*) Add missing output reload constraints.

Thu Oct 14 03:59:57 1999  Stephane Carrez  <>

	* stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
	check for member bit-size overflow and use var_size if it occurs.
	(layout_record): Use bitsize_int() to define the type size in bits.
	Likewise for computation and assignment to DECL_FIELD_BITPOS.
	(layout_decl): Likewise when assigning to DECL_SIZE.

Thu Oct 14 02:57:05 1999  Richard Henderson  <>

	* genrecog.c (validate_pattern): Typo last change.  Verify
	that output operands have output reloads.

Thu Oct 14 01:49:54 1999  Richard Henderson  <>

	* genrecog.c (special_mode_pred_table): New.
	(find_operand): New.
	(validate_pattern): New argument `insn'.  Warn for assignment to
	any predicate accepting non-lvalues.  Conditionally warn for
	match_operand without a mode.  Try much harder to match source
	and destination modes on a set.
	* tm.texi (SPECIAL_MODE_PREDICATES): Document.

Thu Oct 14 02:54:13 1999  Jeffrey A Law  (

	* fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.

Thu Oct 14 02:18:19 1999  Marc Espie <>

	* combine.c (simplify_logical): Recognize xor pattern that encodes

Wed Oct 13 23:23:45 1999  Franz Sirl  <>

	* rs6000.c (expand_block_move): Use INTVAL, not XINT to access

Wed Oct 13 21:47:18 1999  Richard Henderson  <>

	* ggc-page.c (MAP_FAILED): Provide default.

Wed Oct 13 21:41:59 1999  Richard Henderson  <>

	* sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
	* sparc.h (PREDICATE_CODES): Update.

Wed Oct 13 21:18:17 1999  Richard Henderson  <>

	* alpha.c (some_ni_operand): New.
	* alpha-protos.h: Declare it.
	* alpha.h (PREDICATE_CODES): Update.
	* (sXaddq reload insns): Use some_ni_operand
	for SET_DEST instead of some_operand.

Wed Oct 13 21:04:45 1999  Richard Henderson  <>
			  Jim Wilson  <>

	* genrecog.c (maybe_both_true_2): Don't compare modes of
	two DT_pred tests.
	(process_tree): Elide peephole2_insns.  Invoke simplify_tests
	after find_afterward.
	(debug_decision_1): Dump next and afterward codes.

Wed Oct 13 20:35:16 1999  Richard Henderson  <>

	* rtl.c (dump_and_abort): Remove.
	(fatal_with_file_and_line): New.
	(fatal_expected_char): New.
	(read_rtx_lineno, read_rtx_filename): New.
	(read_skip_spaces): Track line number.
	(read_name): Use fatal_with_file_and_line.
	(read_rtx): Use fatal_expected_char.  Track line number.
	* rtl.h (read_rtx_filename, read_rtx_lineno): Declare.

	* print-rtl.c (print_rtx): Don't special case LABEL_REF argument
	if it isn't a CODE_LABEL.

	* genattr.c (main): Set read_rtx_filename.
	* genattrtab.c (main): Likewise.
	* gencodes.c (main): Likewise.
	* genconfig.c (main): Likewise.
	* genemit.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genflags.c (main): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genpeep.c (main): Likewise.

	* genrecog.c (decision_test.u.insn): Add `lineno'.
	(pattern_lineno, error_count): New variables.
	(message_with_line): New.
	(add_to_sequence): Break out checking code to ...
	(validate_pattern): ... here.  Detect SET_DEST matching CONST_INT.
	(merge_insn): Use message_with_line.
	(make_insn_sequence): Use validate_pattern.  Record insn lineno.
	(main): Set read_rtx_filename, pattern_lineno.  Exit early on error.

Wed Oct 13 22:01:35 1999  J"orn Rennecke <>

	* expr.c (store_constructor): Clear union if constructor is empty.

Wed Oct 13 15:19:04 1999  Jim Wilson  <>

	* config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
	Add !endian checks.  Change %{...} to %(...).

Wed Oct 13 13:30:34 1999  Richard Henderson  <>

	* (*addsi3_cc): Renamed from addcsi3.
	(*addsi3_carry): Renamed from addxsi3.
	(*subsi3_cc): Renamed from subcsi3.
	(*subsi3_carry): Renamed from subxsi3.
	(*xorqi_cc_1): Renamed from xorcqi_1.
	(xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
	* i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.

Wed Oct 13 13:10:46 1999  Richard Henderson  <>

	* (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
	(ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.

1999-10-13  Brendan Kehoe  <>

	* regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
	climb up the chain of insns.

Wed Oct 13 10:20:58 1999  Richard Henderson  <>

	* genrecog.c (write_subroutine): Careful for null trees.
	(process_tree): Don't elide empty functions.

Wed Oct 13 10:07:54 1999  Richard Henderson  <>

	* (genrtl.o): Depend on ggc.h.
	* (valloc): Probe for it.
	(with-gc): Use ggc-page if valloc present.
	* ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
	(ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
	(ggc_alloc_string): Moved from ggc-page.c.
	* ggc-none.c (ggc_alloc_obj): New.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
	* ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
	(struct globals): Likewise for dev_zero_fd.
	(init_ggc): Likewise for it's initialization.
	(ggc_allocated_p): Move careful dereference from ...
	(ggc_lookup_page_table): ... here.  Delete.
	(lookup_page_table_entry): Don't use ggc_lookup_page_table.
	(alloc_anon): Use valloc if no mmap.
	(release_pages): Use free if using valloc.
	(ggc_alloc_obj): Renamed from alloc_obj.
	(ggc_set_mark): Renamed from mark_obj.
	(ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
	(ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
	(ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
	(ggc_collect): Use fp printing instead of our own rounding.
	* ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
	(struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
	(struct ggc_string, struct ggc_any): Delete.
	(offsetof): Provide default definition.
	(PTR_KEY): New.
	(struct ggc_mem): New, from corpse of ggc_any.
	(struct ggc_status): Delete.
	(ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
	(n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
	(n_strings_collected, n_anys_collected): Delete.
	(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
	(ggc_alloc_string, ggc_alloc): Delete.
	(ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
	(ggc_free_string, ggc_free_any): Delete.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
	(ggc_compare_addresses, ggc_mark_string): Delete.
	(ggc_mark_string_if_gcable, ggc_mark): Delete.
	(search_data): Delete.
	(struct globals): New.
	(tree_insert, tree_lookup): New.
	(ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
	(clear_marks, sweep_objs): New.
	(ggc_collect): Gut.  Use clear_marks, sweep_objs.
	(init_ggc): Set allocated_last_gc.
	(ggc_push_context): Gut.  Use G.context.
	(ggc_pop_context): Likewise.
	(ggc_pop_context_1): New.
	(debug_ggc_tree): New.
	(debug_ggc_balance, tally_leaves): New.
	* ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
	(ggc_mark_string_if_gcable): Remove decl.
	(ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
	(ggc_mark_rtvec_children): New.
	(ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
	(ggc_mark_if_gcable): New decl.
	(ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
	(ggc_alloc_tree, ggc_alloc): Likewise.
	(ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
	(ggc_alloc_obj): New decl.
	(ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
	(ggc_alloc_tree, ggc_alloc): Likewise.
	(ggc_set_mark): New decl.
	* rtl.h (struct rtx_def): Remove gc_mark.
	(struct rtvec_def): Likewise.
	* tree.h (struct tree_common): Likewise.

Wed Oct 13 01:44:29 1999  Carol LePage  <>

	* (sparc-hal-solaris2*): Fix xm_file, xm_defines,
	float_format and thread_file definitions.
	* configure: Rebuilt.

Wed Oct 13 09:25:03 1999  Niels Möller <>

	* extend.texi (Function Names): Document types of function names.

Wed Oct 13 00:45:04 1999  Bernd Schmidt  <>

	* reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
	an earlyclobbered output conflict with RELOAD_INPUT reloads.

Tue Oct 12 23:28:28 1999  J"orn Rennecke <>


Tue Oct 12 23:19:32 1999  J"orn Rennecke <>


Tue Oct 12 17:09:38 1999  David Edelsohn  <>

	* collect2.c (main): Do prelimnary link on AIX if rflag.

Tue Oct 12 09:45:19 1999  Jonathan Larmour  <>

	* config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
	__CTOR_LIST__ in opposite order, which is the correct order for sorted
	(__do_global_dtors): similarly for __DTOR_LIST__.

Fri Oct  8 19:46:03 1999  J"orn Rennecke <>
				Diego Novillo <>

	* config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to

Tue Oct 12 07:38:41 1999  Bruce Korb  <>

	* fixincl/*: Merged "no_bogosity" branch
	* fixincl/fixlib.h: protect against doubly defining t_bool
	* fixincl/server.h: protect against doubly defining t_bool

Mon Oct 11 20:18:41 1999  Jim Wilson  <>

	* genoutput.c: Include toplev.h.

Mon Oct 11 18:56:14 1999  Jim Wilson  <>

	* config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
	* (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
	* configure: Regenerate.

Mon Oct 11 16:07:49 1999  Richard Henderson  <>

	* gcse.c (delete_null_pointer_checks): Returns void.

Mon Oct 11 20:31:51 1999  Bernd Schmidt  <>

	* rtl.c (copy_rtx): Don't use accessor macros to copy fields.
	* emit-rtl.c (copy_insn_1): Likewise.

Mon Oct 11 13:29:06 1999  Geoffrey Keating  <>

	* config/mips/mips.c (mips_build_va_list): Correct
	TREE_CHAIN setting when hard-float.
	(mips_va_start): Use corrected setting.
	(mips_va_arg): Likewise.  Also pass a tree to build of
	POSTINCREMENT_EXPR rather than a naked 'int'.

Sun Oct 10 18:27:27 1999  Mark Mitchell  <>

	* ggc.h (ggc_push_context): Fix comment.
	(ggc_pop_context): Likewise.
	(mark_string_if_gcable): Likewise.
	* ggc-common.c (ggc_mark_rtx_children): Use
	* ggc-page.c (ggc_lookup_page_table): New function.
	(ggc_allocated_p): Likewise.
	(mark_obj): Fix formatting.
	(ggc_mark_string_if_gcable): New function.
	* ggc-simple.c (ggc_allocated_strings): New variable.
	(ggc_strings_used): Likewise.
	(ggc_compare_addresses): New function.
	(ggc_pop_context): Pop the `any' memory too.
	(ggc_mark_string_if_gcable): New function.
	(ggc_collect): Initialize and tear down ggc_allocated_strings.

Sun Oct 10 20:05:21 1999  David Edelsohn  <>

	* (movstrsi_?reg): Use preferred rD/rS = r5 form.
	(scc patterns): Disable most SImode variants if TARGET_POWERPC64.
	* rs6000.c (expand_block_move): Match movstrsi_?reg register

Sun Oct 10 16:37:01 1999  Richard Henderson  <>

	* haifa-sched.c (sched_reg_n_calls_crossed): Delete.
	(sched_reg_live_length, sched_reg_basic_block): Delete.
	(current_block_num, bb_live_regs, old_live_regs): Delete.
	(dead_notes, struct sometimes): Delete.
	(sched_note_set, birthing_insn_p): Delete.
	(adjust_priority): Gut useless reg lifetime code.
	(create_reg_dead_note, attach_deaths): Delete.
	(attach_deaths_insn, new_sometimes_live): Delete.
	(finish_sometimes_live): Delete.
	(find_pre_sched_live, find_post_sched_live): Delete.
	(update_reg_usage): Delete.
	(find_insn_reg_weight): New, from corpse of find_pre_sched_live.
	(schedule_insns): Delete reg lifetime code.
	(sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
	(unlink_other_notes): Adjust REG_NOTE commentary.
	(reemit_notes): Use REG_SAVE_NOTE.
	(schedule_block): Likewise.
	(schedule_region): Allocate bitmap of blocks in region.  Use
	count_or_remove_death_notes.  Use update_life_info.

	* rtl.h (REG_SAVE_NOTE): New.
	* rtl.c (reg_note_name): Update.

Sun Oct 10 16:14:16 1999  Richard Henderson  <>

	* combine.c (refresh_blocks, need_refresh): New.
	(combine_instructions): Allocate refresh_blocks.  Invoke
	update_life_info if needed.
	(distribute_notes): Mark refresh_blocks instead of installing
	USE insns.
	* flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
	* basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.

	* (recog.o): Depend on basic-block.h.

Sun Oct 10 12:03:21 1999  Richard Henderson  <>

	* genrecog.c (add_to_sequence): Thinko last change: delete
	shadowing allow_const_int variable.

Sun Oct 10 08:40:00 1999  Kaveh R. Ghazi  <>

	* cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
	__GNUC__ and __GNUC_MINOR__.

	* gansidecl.h: Likewise.

	* rtl.c: Likewise.

	* rtl.h: Likewise.

	* toplev.h: Likewise.

	* tree.c: Likewise.

	* tree.h: Likewise.

	* varray.c: Likewise.

	* varray.h: Likewise.

Sun Oct 10 13:28:48 1999  Bernd Schmidt  <>

	* loop.c (find_and_verify_loops): When looking for a BARRIER, don't
	use one before a jump table.

	* rtl.def (ADDRESS): Change documentation to match reality.
	* md.texi: Don't document it.
	* (load address pattern): Use 'p' constraint, delete use
	of ADDRESS rtx.

	* emit-rtl.c (copy_insn_1): Make format_ptr a const char *.

Sun Oct 10 02:41:41 1999  Richard Henderson  <>

	* genrecog.c (add_to_sequence): Move allow_const_int test outside
	known predicate block; default allow_const_int true.
	(debug_decision_list): New.

Sun Oct 10 00:43:08 1999  Richard Henderson  <>

	* i386.h (CC1_SPEC): Typo -- use cc1_cpu.

Sat Oct  9 23:26:55 1999  Jeffrey A Law  (

	* gcse.c (gcse_main): Avoid global optimizations if we have a
	large number of basic blocks and the ratio of edges to blocks
	is high.
	(delete_null_pointer_checks): Likewise.

Sat Oct  9 23:16:01 1999  Ken Raeburn  <>

	* c-common.c (check_format_info): Warn if format string isn't a
	string literal.

Sat Oct  9 23:04:02 1999  Jonathan Larmour  <>

	* (arm*-*-*): Don't let autoconf remove brackets
	* configure: regenerate

Sat Oct  9 13:15:53 1999  Richard Henderson  <>

	* (extendsidi2): Turn into a splitter.  Allow f/f.
	If TARGET_FIX, allow r/f.  Remove cvtlq unspec pattern.
	(peepholes): Re-enable.

Sat Oct  9 12:18:16 1999  Richard Henderson  <>

	* (flow.o): Depend on TREE_H.
	* basic-block.h (REG_SET_EQUAL_P): New.
	(XOR_REG_SET): New.
	(n_edges): Declare.
	(free_regset_vector): Remove declaration.
	(flow_delete_insn_chain): Declare.
	(enum update_life_extent): New.
	(update_life_info, count_or_remove_death_notes): Declare.
	* combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
	Verify register live at bb->global_live_at_start before adding USE.
	* flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
	(n_edges): New.
	(PROP_*): New flags.
	(find_basic_blocks_1): Use alloc_EXPR_LIST.
	(clear_edges): Zero n_edges.
	(make_edge): Increment n_edges.
	(split_edge): Don't allocate bb->local_set.  Increment n_edges.
	(flow_delete_insn_chain): Export.
	(delete_block): Decrement n_edges.
	(merge_blocks_nomove): Likewise.
	(life_analysis): Give life_analysis_1 PROP flags.
	(verify_wide_reg_1, verify_wide_reg): New.
	(verify_local_live_at_start): New.
	(update_life_info): Rewrite to call into propagate_block.
	(mark_reg): New.
	(mark_regs_live_at_end): After reload, if epilogue as rtl,
	always mark stack pointer.  Conditionally mark PIC register.
	After reload, mark call-saved registers, return regsiters.
	(life_analysis_1): Accept PROP flags not remove_dead_code.
	Call mark_regs_live_at_end before zeroing regs_ever_live.
	Use calculate_global_regs_live.  Copy global_live_at_end before
	calling final propagate_block.  Zero reg_next_use on exit.
	(calculate_global_regs_live): New.
	(allocate_bb_life_data): Don't allocate bb->local_set.
	(init_regset_vector, free_regset_vector): Remove.
	(propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
	Test flags before every operation.  Warn if prologue/epilogue insn
	would have been deleted.
	(mark_set_regs, mark_set_1): Accept and use FLAGS.
	Use alloc_EXPR_LIST.
	(mark_used_regs): Accept and use FLAGS, not FINAL.
	Remove special handling for RETURN.
	(try_pre_increment): Use alloc_EXPR_LIST.
	(dump_flow_info): Dump n_edges.
	(unlink_insn_chain, split_hard_reg_notes): Remove.
	(maybe_add_dead_note, maybe_add_dead_note_use): Remove.
	(find_insn_with_note, new_insn_dead_notes): Remove.
	(update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
	(maybe_remove_dead_notes, prepend_reg_notes): Remove.
	(replace_insns): Remove.
	(count_or_remove_death_notes): New.
	(verify_flow_info): Abort on error after all checks.
	(remove_edge): Decrement n_edges.
	(remove_fake_edges): Tweak format.
	* haifa-sched.c (schedule_insns): Use split_all_insns.
	* output.h (update_life_info): Remove declaration.
	* recog.c (split_all_insns): From the corpse of split_block_insns,
	do the whole function block by block.  Use update_life_info.
	(recog_last_allowed_insn): New.
	(recog_next_insn): Mind it.
	(peephole2_optimize): Set it.  Walk backwards through blocks.
	Use update_life_info.
	* rtl.h (update_flow_info, replace_insns): Remove declarations.
	(split_all_insns): Declare.
	* toplev.c (rest_of_compilation): Thread prologue before flow2.
	Use split_all_insns.

	* (or -1 peep2s): Disable.

Fri Oct  8 17:49:08 1999  Richard Henderson  <>

	* config/mips/ (movstrsi+[123]) : Combine these into
	a single pattern.  Scrap the 'd' versions as unnecessary.

	* config/mips/ (tablejump_internal3,tablejump_mips161,
	tablejump_mips162,tablejump_internal4): The operands to a
	label_ref must be VOIDmode.

Fri Oct  8 16:12:42 1999  Kaveh R. Ghazi  <>

	* (c-mbchar): Append, don't overwrite, `extra_c_flags'.

Fri Oct  8 11:58:34 1999  Richard Henderson  <>

	* mips.c (mips_va_arg) [EABI]: Return addr_rtx.

Fri Oct  8 11:58:34 1999  Richard Henderson  <>

	* lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
	cache every function if ggc_p.

Fri Oct  8 18:46:11 1999  Bernd Schmidt  <>

	* jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
	instead of copy_rtx.  Accept sequences that contain asm statements.
	* emit-rtl.c (copy_insn_1, copy_insn): New functions.
	(copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
	orig_asm_operands_vector, copy_asm_operands_vector,
	orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
	* rtl.h (copy_insn, copy_insn_1): Declare.

Fri Oct  8 13:08:12 1999  Kaveh R. Ghazi  <>

	* (insn-recog.o): Depend on hard-reg-set.h and resource.h.

	* alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
	arguments to `current_file_function_operand'.

	* genrecog.c: Include hard-reg-set.h and resource.h in the
	generated output file.

	* real.c: Include tm_p.h.

Fri Oct  8 18:46:11 1999  Bernd Schmidt  <>

	* (prologue_allocate_stack): Add '=' constraint letter on
	output operand.

Thu Oct  7 23:06:50 1999  Richard Henderson  <>

	* (fix_truncdfsi2_internal+1): Emit a clobber
	before the fctiwz insn.

Thu Oct  7 22:53:00 1999  Franz Sirl  <>
			  Mark Mitchell  <>

	* tree.c (make_lang_type_fn): New function pointer.
	(make_lang_type): Call it.
	* tree.h (make_lang_type): Declare.
	(make_lang_type_fn): Likewise.
	* rs6000.c (rs6000_build_va_list): Use make_lang_type.

Thu Oct  7 00:36:17 1999  Diego Novillo  <>

	* config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
	make sure that HIGH instructions are copied into BASE_REGS.

Thu Oct  7 17:02:34 1999  Jason Merrill  <>

	* expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.

Thu Oct  7 17:01:58 1999  Greg McGary  <>

	* c-decl.c (finish_struct): Use simpler method of
	removing elements of a singly-linked list.

Thu Oct  7 15:23:28 1999  Michael Meissner  <>

	* (peephole2's): Comment out peephole2's that generate
	buggy code.

Thu Oct  7 12:00:53 1999  Richard Henderson  <>

	* genrecog.c (add_to_sequence): Disable mode check for
	wildcard matches.

Thu Oct  7 20:14:16 1999  Bernd Schmidt  <>

	* ggc-simple.c (init_ggc): Set empty_string.

Thu Oct  7 01:13:15 1999  Richard Henderson  <>

	* Detect mmap.  Add --with-gc=foo to select
	garbage collector; default to page if mmap available.
	* (GGC): Substitute.

Wed Oct  6 23:56:30 1999  Richard Henderson  <>

	* c-decl.c (ggc_p): Enable.

Wed Oct  6 17:17:08 1999  Kaveh R. Ghazi  <>

	* flow.c (verify_flow_info): Make it extern & unconditionally define.

1999-10-06  Brendan Kehoe  <>

	* sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
	string for little-endian-data.

Wed Oct  6 16:10:35 1999  Michael Meissner  <>

	* varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
	case somebody tries to compile --enable-checking code with gcc
	1.34 or such.

Wed Oct  6 12:22:50 1999  Richard Henderson  <>

	* genrecog.c (add_to_sequence): Verify operand to label_ref is

Wed Oct  6 10:21:15 1999  Richard Henderson  <>

	* genconfig.c (main): Disable HAVE_conditional_arithmetic.
	* jump.c (jump_optimize_1): Document why.

Wed Oct  6 10:41:56 1999  Kaveh R. Ghazi  <>

	* collect2.c (scan_prog_file, scan_libraries): Prototype function
	pointers and casts for `int_handler' and `quit_handler'.

	* flow.c (verify_flow_info, split_hard_reg_notes,
	find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
	remove_edge, remove_fake_successors): Add static prototypes.
	(verify_flow_info): Wrap with macro ENABLE_CHECKING.
	(mark_set_1): Initialize variable `regno'.
	(unlink_insn_chain): Likewise for variable `curr'.
	(remove_fake_edges): Remove unused variables `e', `tmp' and `last'.

	* loop.c (strength_reduce): Initialize variable
	(cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
	prototypes.  Change these functions to take const PTR parameters
	to avoid prototype conflict when used as the comparson argument
	for qsort.
	(check_dbra_loop): Initialize variable `comparison_val'.

	* reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
	(get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
	(find_valid_class): Initialize variable `best_class'.
	(find_reloads): Call memcpy, not bcopy.

	* reload1.c (gen_mode_int, dump_needs): Add prototypes.
	(hard_reg_use_compare): Don't needlessly cast away const.
	(reload_reg_class_lower): Likewise.
	(choose_reload_regs): Initialize variable `regno'.

Tue Oct  5 16:34:12 1999  Paul Burchard <>

	* ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.

Tue Oct  5 16:14:40 1999  Michael Meissner  <>

	* libgcc1-test.c (toplevel): Include stddef.h to get size_t.
	({,d}discard): Add forward declarations.  Declare parameter as
	(main_without_main): Explicitly declare return type to be int.
	(memcpy): Properly declare.

	* libgcc2.c (toplevel): If inhibit_libc is defined and not
	building the trampoline support, declare malloc, free, and
	(__clear_cache): Mark arguments as potentially unused.

	* frame.c (toplevel): If inhibit_libc is defined, declare
	malloc and free.

Tue Oct  5 12:00:32 1999  Richard Henderson  <>

	* flow.c (make_edge): Accept an optional 2D bitmap in which
	to cache edge existence.  Update all callers.
	(make_label_edge, make_eh_edge): Pass through the edge cache.
	(make_edges): Provide the cache.

Tue Oct  5 12:16:49 1999  Kaveh R. Ghazi  <>

	* mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
	a char*.
	(local_mbtowc): Change the type of variable `i' from int to size_t.

	* mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
	(local_mbtowc, local_mblen, literal_codeset): Constify a char*.

Tue Oct  5 11:34:52 1999  Michael Meissner  <>

	* ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
	after other includes that define the appropriate types.  Include
	tm_p.h for getting user prototypes.
	* ggc-callbacks.c (toplevel): Ditto.
	* ggc-none.c (toplevel): Ditto.
	* gcc-page.c (toplevel): Ditto.
	* ggc-simple.c (toplevel): Ditto.

Mon Oct  4 16:48:16 1999  Diego Novillo <>
			  Jonathan Larmour  <>

	* config/mips/mips.c (mips_move_2words): Split doubles if
	ISA >= 3, !TARGET_64BIT, and destination is not an FP register.

Mon Oct  4 21:47:31 1999  Richard Henderson  <>

	* genrecog.c (struct decision_test): New.
	(struct decision): Remove test-related members, sort the rest by size.
	(IS_SPLIT): Simplify.
	(new_decision, new_decision_test): New.
	(add_to_sequence): Use them.  No special handling for args of
	non-MATCH codes.
	(maybe_both_true): Renamed from not_both_true; return sense changed.
	(maybe_both_true_1, maybe_both_true_2): New.  Broken out
	of maybe_both_true and adjusted for decision_test.
	(position_merit): Remove.
	(nodes_identical, nodes_identical_1): New, broken out of merge_trees.
	(merge_accept_insn): New, broken out of merge_trees.
	(merge_trees): Use them.  No special case for c_test; no node
	splitting; use test type instead of position_merit.
	(factor_tests): New.
	(simplify_tests): New.
	(break_out_subroutines): Don't write code now.
	(find_afterward): New.
	(write_afterward, write_switch, write_cond): New.
	(write_action, is_unconditional): New.
	(write_node): New.  Use them.
	(write_tree_1): Rewrite.  Use the new functions above.
	(write_tree): Remove afterward processing.
	(write_subroutine): Simplify function variant emission.
	(write_subroutines): New.
	(same_codes, clear_codes): Remove.
	(same_modes, clear_modes): Remove.
	(write_header): New, broken out of main.
	(make_insn_sequence): Use new_decision and new_decision_test.
	(process_tree): New, broken out of main.
	(main): Adjust for merge_trees interface change.
	Don't #define operands in the output file.
	(record_insn_name): New, broken out of make_insn_sequence.
	(debug_decision_2, debug_decision_1, debug_decision_0): New.
	(debug_decision): New.

1999-10-04 21:58 -0700  Zack Weinberg  <>

	* resource.c (find_free_register): Mark class_str argument const.
	* resource.h: Update prototype to match.

	* i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
	* Give all anonymous insns names.

Mon Oct  4 21:12:02 1999  Jeffrey A Law  (

	* flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent

Mon Oct  4 21:01:39 1999  Richard Henderson  <>

	* toplev.c (dbr_sched_time): Unconditional.
	(peephole2_time): New.
	(compile_file): Add pass numbers to all of the dump file suffixes.
	Dump peephole2_time.  Don't dump times for non-applicable passes.
	(rest_of_compilation): Add pass numbers to dump file suffixes.
	Conditionalize calls to the scheduler.
	* invoke.texi: Update.

Mon Oct  4 20:25:13 1999  Anthony Green  <>

	* flow.c (make_edges): Fix insn iteration.
	(find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
	(find_basic_blocks_1): Fix spelling mistake.

Mon Oct  4 16:56:11 1999  Richard Henderson  <>

	* tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
	always have side-effects.  Use memset not bzero.
	(make_node): Likewise.

Mon Oct  4 16:22:20 1999  Mark Mitchell  <>

	* stmt.c (expand_anon_union_decl): When any of the elements of the
	union is addressable, so is the entire union.

Mon Oct  4 11:38:33 1999  Richard Henderson  <>

	* sbitmap.c (sbitmap_ones): Don't set too many bits.

	* bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
	* bitmap.c (bitmap_operation): Return true iff TO changed.
	(bitmap_equal_p): New.
	(bitmap_bit_p): Tidy arithmetic.
	(debug_bitmap_file): Likewise.

Mon Oct  4 11:28:37 1999  Richard Henderson  <>

	* toplev.c (rest_of_compilation): Turn on cse_not_expected
	before cse2 instead of after.

Mon Oct 4 09:55:17 1999  Stan Cox  <>

	* mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
	register offsets.

Mon Oct  4 08:54:12 1999  Alexandre Oliva  <>

	* cppinit.c (is_idchar initializer): Loosen tests to accept
	gcc 2.>6 and >2.

Mon Oct  4 02:31:20 1999  Mark Mitchell  <>

	* Define conditional move patterns for floating point
	operands and DI mode conditions.

Mon Oct  4 02:12:41 1999  Mark Mitchell  <>

	* tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
	always have side-effects.

Sun Oct  3 14:14:16 1999  Jeffrey A Law  (

	* mn10200.c (asm_file_start): Fix typo.

	* cppinit.c (is_idchar initializer): Tighten tests for when
	to put the table into initialized memory.

	* ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
	not an array of rtunion.
	* gcc-page.c (ggc_alloc_rtvec): Similarly.
	* gcc-simple (ggc_free_rtvec): Similarly.

	* genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
	of rtunions.

	* mbchar.h: Add missing #endif.

	* t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
	(FPBIT, DPBIT): Define.

Sun Oct  3 12:44:05 1999  Kaveh R. Ghazi  <>

	* print-tree.c (print_node, indent_to): Remove redundant prototypes.

	* profile.c (instrument_arcs, output_gcov_string,
	tablejump_entry_p): Add static prototypes.
	(output_gcov_string): Constify a char*.

	* regmove.c (replacement_quality, fixup_match_2): Add static

	* resource.h (reg_dead_p): Add extern prototype.

	* rtl.c (trim_filename): Add static prototype.

	* scan-decls.c (skip_to_closing_brace): Likewise.

	* stmt.c (expand_decl_cleanup_no_eh): Hide definition.
	(expand_end_case): Initialize variable `range'.
	(emit_case_nodes): Remove unused prototype `rtx_fn'.

	* varasm.c (asm_emit_uninitialised): Add static prototype.
	(asm_emit_uninitialised, assemble_variable): Mark parameter with

Sun Oct  3 12:24:52 1999  Kaveh R. Ghazi  <>

	* cpplib.c (if_directive_nameo): Add static prototype.

	* cse.c (cse_insn): Remove unused variable `p'.

	* except.c (create_rethrow_ref, push_entry,
	receive_exception_label, new_eh_region_entry, find_func_region,
	clear_function_eh_region, process_nestinfo): Add static prototypes.
	(get_reg_for_handler): Hide definition.
	(process_nestinfo): Initialize variable `extra_handlers'.

	* expr.h (expand_builtin_longjmp): Add extern prototype.

	* final.c (final_addr_vec_align, align_fuzz): Add static prototypes.

	* function.c (prepare_function_start): Likewise.
	(pop_function_context_from): Mark parameter `context' with
	(push_temp_slots_for_block, flush_addressof): Hide definition.

	* gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
	solve_program_flow_graph, calculate_branch_probs,
	function_summary, main, fancy_abort): Add prototypes.

	* gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
	(add_hash): Constify a char*.

	* ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
	ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
	ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.

	* integrate.c (expand_inline_function_eh_labelmap): Likewise.

	* lists.c (free_list, zap_lists): Likewise.

Sun Oct  3 12:05:28 1999  Kaveh R. Ghazi  <>

	* alias.c (nonlocal_reference_p): Add static prototype.

	* bitmap.c (bitmap_element_allocate): Prototype args in function
	pointer cast.

	* builtins.c (stabilize_va_list): Add static prototype.
	(expand_builtin_va_arg): Constify a char*.

	* c-lex.c (getch, put_back, extend_token_buffer_to,
	read_line_number, token_getch, token_put_back): Add static

	* c-parse.gperf (hash, is_reserved_word): Likewise.

	* cccp.c (is_dir_separator): Likewise.

Sat Oct  2 16:07:56 1999  Kaveh R. Ghazi  <>

	* graph.h: New file to prototype functions exported by graph.c.

	* (graph.o, toplev.o): Depend on graph.h.

	* graph.c: Include graph.h.

	* toplev.c: Likewise.  Remove redundant prototypes.

Sat Oct  2 11:28:33 1999  Krister Walfridsson <>

	* invoke.texi: Removed duplicated description for -Q.

Sat Oct  2 11:16:00 1999  Jim Kingdon  <>

	* extend.texi: Grammar fix in __extension__ text.

Sat Oct  2 11:06:31 1999  Richard Henderson  <>

	* md.texi (define_peephole2): New section.

Sat Oct  2 10:57:56 1999  Jan Hubicka  <>

	* (mov?i patterns): Fix handling of TARGET_USE_MOV0
	(mov $-1 to or peepholer): Enable for pentium when optimizing for

Sat Oct  2 10:55:25 1999  Jan Hubicka  <>

	* builtins.c (expand_builtin_strlen): Fix best mode searching loop.

Sat Oct  2 10:53:22 1999  Jan Hubicka  <>

	* (ffs expander): Emit Pentium friendly code for

Sat Oct  2 02:48:21 1999  Mark P. Mitchell  <>

	* tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
	for non-trees.
	(build1): Likewise.

Fri Oct  1 18:01:11 1999  Bernd Schmidt  <>

	* i386elf.h (TARGET_DEFAULT): Use symbolic constants.

Fri Oct  1 12:42:53 1999  Andreas Schwab  <>

	* config/m68k/m68k.c (use_return_insn): Return false if the pic
	register is in use.

Fri Oct  1 10:56:06 1999  Bernd Schmidt  <>

	* md.texi (No Constraints): Delete section.
	* (genattrtab.o): Don't depend on "insn-config.h".
	* final.c (final_scan_insn): We always have register constraints.
	* genattrtab.c: Don't include "insn-config.h".
	(write_attr_case): We always have register constraints.
	* genconfig.c (register_constraint_flag): Delete.
	(walk_insn_part): Don't check whether we have register constraints.
	(main): Don't write out "#define REGISTER_CONSTRAINTS".
	* genoutput.c (have_constraints): Delete.
	(main): Don't set it.
	(output_operand_data): We always have constraints.
	(scan_operands): Likewise.
	(compare_operands): Likewise.
	* local-alloc.c (block_alloc): We always have constraints.
	(requires_inout): Always compile this function.
	* recog.c (extract_insn): We always have constraints.
	(constrain_operands, reg_fits_class_p): Always compile these
	* recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
	(struct insn_operand_data): Likewise.
	* regclass.c (regclass): We always have constraints.
	(record_reg_classes, copy_cost, record_address_regs,
	auto_inc_dec_reg_p): Always compile these functions.
	* regmove.c (regmove_optimize): We always have constraints.
	* reload.c (find_reloads): Likewise.
	* reload1.c (reload): Likewise.
	(reload_cse_simplify_operands): Likewise.
	* i860.c (output_delay_insn): Likewise.

Thu Sep 30 23:04:41 1999  Mark P. Mitchell  <>

	* iris6.h (BUILD_VA_LIST_TYPE): Define.

Thu Sep 30 18:44:50 1999  Franz Sirl  <>

	* rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
	for the va_list record.

Thu Sep 30 18:34:54 1999  Jan Hubicka  <>

	* i386.c (ix86_adjust_cost): Ignore false ebp dependencies in

Thu Sep 30 18:31:36 1999  Jan Hubicka  <>

	* alias.c: Include insn-flags.h.
	* (alias.o): Update.

Thu Sep 30 18:21:30 1999  Jan Hubicka  <>

	* i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
	to LTU and GEU.  Handle more cases using sbb.

Thu Sep 30 18:18:39 1999  Jan Hubicka  <>

	* (truncatexfdf splitters): Do not use subreg.
	(fop XFmode patterns): Fix mode in operand testing.

Thu Sep 30 18:04:13 1999  Richard Henderson  <>

	* jump.c (jump_optimize_1): Amend last change to test only the
	form of the operand, not the insn.

	* jump.c (jump_optimize_1) [conditional_move]: Use general_operand
	not register_operand to determine when B may need preloading.

Thu Sep 30 17:39:16 1999  Richard Henderson  <>

	* (*): Use nonimmediate not general_operand for SET_DEST.
	(ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
	(call-value patterns): Move to end of file.
	(*): Remove mode from label_ref in (pc) context.
	(movstrqi): Use memory not general_operand for BLKmode operands.
	(prologue_stack_probe_loop, builtin_longjmp): Add missing mode
	to register_operand operands.
	(peep2 patterns): Convert from commented-out peephole patterns.

Thu Sep 30 14:39:17 1999  Bernd Schmidt  <>

	* tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
	* builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
	Renamed from BUILT_IN_DWARF_REG_SIZE; call
	* c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
	with __builtin_init_dwarf_reg_size_table.
	* dwarf2out.c (struct reg_size_range): Delete.
	(expand_builtin_init_dwarf_reg_sizes): New function.
	(expand_builtin_dwarf_reg_size): Delete.
	* except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
	(expand_builtin_dwarf_reg_size): Don't declare.
	* libgcc2.c (dwarf_reg_size_table_initialized): New.
	(dwarf_reg_size_table): New.
	(init_reg_size_table): New function.
	(copy_reg): Use dwarf_reg_size_table.
	(eh_context_initialize): Make sure dwarf_reg_size_table is initialized
	before use.

Thu Sep 30 05:40:34 1999  Richard Earnshaw <>

	* c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
	Correctly build argument list to constructor and destructor functions.

Thu Sep 30 00:13:27 1999  Dirk Zoller  <>

	* c-tree.h (warn_float_equal): Declare.
	* c-decl.c (warn_float_equal): Define.
	(c_decode_option): Recognize -W[no-]float-equal.
	* c-typeck.c (build_binary_op): Conditionally warn
	about equality tests of floating point types.
	* toplev.c (documented_lan_options): Add -W[no-]float-equal.
	* invoke.texi: Add docs for -Wfloat-equal warning.

Wed Sep 29 23:43:39 1999  Jeffrey A Law  (

	* h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
	generating RTL directly.
	* mips.h (INIT_TARGET_OPTABS): Likewise.
	* mn10200.h (INIT_TARGET_OPTABS): Likewise.

	* expr.h (init_mov_optab): Delete declaration

	* h8300.c (WORD_REG_USED): Update to avoid useless register
	saves in interrupt functions and functions which never return.

	* cse.c (struct set): Delete inner_dest_loc field.
	(cse_insn): Remove assignments to inner_dest_loc field.

Wed Sep 29 16:06:20 1999  Richard Henderson  <>

	* ggc-page.c: Don't include <unistd.h> etc taken care of
	by "system.h".  Include <sys/mman.h> afterward.

Wed Sep 29 16:05:18 1999  Richard Henderson  <>

	* rs6000.c (rs6000_encode_section_info): If ggc_p, use

Tue Sep 28 16:45:40 1999  David Edelsohn  <>

	* xcoffout.c (xcoffout_declare_function): Add documentation.
	* rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
	TARGET_64BIT.  Compare constant to -1, not bit pattern.
	(easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
	(expand_block_move): Allow 8 DImode loads for PowerPC64.  Fix
	gen_movsi typos.

Tue Sep 28 16:43:14 1999  Nick Clifton  <>

	* dwarf2out.c (add_abstract_origin_attribute): Abort if
	origin_die is NULL.
	(gen_inlined_enumeration_type_die): Do not abort if the type has
	not been writeen out.
	(gen_inlined_structure_type_die): Do not abort if the type has
	not been writeen out.
	(gen_inlined_union_type_die): Do not abort if the type has
	not been writeen out.
	(gen_tagged_type_instantiation_die): Do not abort if the type
	has not been written out.

Tue Sep 28 14:33:47 1999  Bernd Schmidt  <>

	* c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
	call it.
	* reg-stack.c (straighten_stack): Copy hard reg set with

Tue Sep 28 01:11:05 1999  Richard Henderson  <>

	* builtins.c (stabilize_va_list): Stabilize array type va_list
	to a pointer type, not the base record type.
	(expand_builtin_va_copy): Dereference the pointers explicitly;
	use the correct size for the copy.

	* rs6000.c (rs6000_va_start): Dereference valist to get to the record.
	(rs6000_va_arg): Likewise.

Mon Sep 27 23:27:21 1999  Richard Henderson  <>

	* rtl.h (struct rtx_def): Move gc_mark to align mode field.

Mon Sep 27 23:20:29 1999  Mark Mitchell  <>

	* tree.h (struct tree_decl): Use `bclass', not `class', in name of
	(DECL_BUILT_IN_CLASS): Adjust accordingly.

Mon Sep 27 23:03:16 1999  Richard Henderson  <>

	* ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
	(init_ggc): Use it instead of a constant.
	(ggc_collect): Bound allocated_last_gc by it.

Mon Sep 27 19:06:04 1999  Jeffrey A Law  (

	* fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
	with va_list.

Mon Sep 27 19:40:17 CEST 1999	Marc Espie <>

	* (mips*el-*-openbsd*):  Don't duplicate default settings.
	(mips*-*-openbsd*):  Let big endian configuration be a fragment.
	* configure:  Regen.
	* config/mips/openbsd.h:  New, OpenBSD little endian target.
	* config/mips/openbsd-be.h:  New, OpenBSD big endian target fragment.
	* config/mips/xm-openbsd.h:  New, OpenBSD host.

Mon Sep 27 10:28:48 1999  Andreas Schwab  <>

	* config/m68k/m68k.c (output_function_prologue,
	output_function_epilogue): Use
	current_function_uses_pic_offset_table instead of regs_ever_live
	to decide whether to save/restore pic register.
	(legitimize_pic_address): Don't modify regs_ever_live any more.

Sun Sep 26 10:55:36 1999  Mark Mitchell  <>

	* function.h (struct function): Add x_dont_save_pending_sizes_p.
	* stor-layout.c (variable_size): Don't add sizes to the pending
	sizes list if x_dont_save_pending_sizes_p is set.

Sun Sep 26 16:36:52 1999  Robert Lipe  (

	* config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
	for symbolic_operand().
	* config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.

Sun Sep 26 07:37:11 1999  Kaveh R. Ghazi  <>

	* combine.c (gen_rtx_combine): Add missing call to va_end().

	* final.c (asm_fprintf): Likewise.

	* genattrtab.c (attr_rtx): Likewise.

Sat Sep 25 13:11:07 1999  Jeffrey A Law  (

	* cse.c: Update comments.
	(cse_insn): When converting a conditional/computed jump into
	an unconditional jump, always make sure a BARRIER immediately
	follows the converted jump.  Do not delete unreachable code.
	(cse_basic_block): Do not delete unreachable code.
	* toplev.c (rest_of_compilation): Move call to
	delete_trivially_dead_insns after the conditional call to

Sat Sep 25 09:03:17 1999  Kaveh R. Ghazi  <>

	* collect2.c (make_temp_file): Don't prototype.

	* gcc.c (make_temp_file): Likewise.

	* mips.c (mips_make_temp_file): Renamed from `make_temp_file'.

Sat Sep 25 13:42:15 1999  Nick Clifton  <>

	* varasm.c (asm_emit_uninitialised): New function: Generate
	the assembler statements necessary to declare an uninitialized
	(ASM_EMIT_LOCAL): New macro: Emit a local, uninitialized
	(ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
	(ASM_EMIT_COMMON): New macro: Emit an entry in the common
	(assemble_variable): Use asm_emit_uninitialised to emit an
	uninitialized variable.

Fri Sep 24 17:10:56 1999  Nick Clifton  <>

	* combine.c (simplify_comparison): Cope with downshifting a 32 bit
	constant on a 64 bit host.  Patch supplied by Geoffrey Keating

Fri Sep 24 10:48:10 1999  Bernd Schmidt  <>

	* builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
	* c-common.h (builtin_function): Don't declare.

	* c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
	(pushdecl): Likewise.
	(finish_decl): Likewise.
	(builtin_function): New arg CLASS.  Arg FUNCTION_CODE now of type
	int.  All callers changed.
	Set the builtin's DECL_BUILT_IN_CLASS.
	* tree.h (enum built_in_class): New.
	(enum built_in_function): Delete NOT_BUILT_IN.
	(DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
	in a union.
	(DECL_BUILT_IN_CLASS): New macro.
	(struct tree_decl): Split builtin function code field into a
	(builtin_function): Declare.

Fri Sep 24 01:45:05 1999  Mark Mitchell  <>

	* optabs.c (init_traps): Fix typo in last change.

Fri Sep 24 01:10:11 1999  Mark Mitchell  <>

	* toplev.c (rest_of_decl_compilation): Update comment.

Fri Sep 24 11:57:06 1999  Geoffrey Keating  <>

	* config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
	in .sbss if appropriate.
	(SBSS_SECTION_ASM_OP): New macro.
	* config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
	(EXTRA_SECTIONS): Add in_sbss.
	* config/mips/mips.h: Prototype sbss_section.

Thu Sep 23 18:18:55 1999  Mark Mitchell  <>

	* stmt.c (expand_start_bindings): Don't allow cleanup instructions
	to disappear.

Thu Sep 23 18:07:01 1999  Mark Mitchell  <>

	* optabs.c (init_traps): Register trap_rtx as a GC root.

Thu Sep 23 17:41:47 1999  Alexandre Oliva  <>

	* config/mips/mips.c (function_arg_pass_by_reference): Define
	unconditionally, since it's called unconditionally.

Thu Sep 23 13:40:02 1999  Jason Merrill  <>

	* toplev.c (documented_lang_options): Add -fshort-wchar.
	* c-decl.c (c_decode_option): Likewise.
	(init_decl_processing): If -fshort-wchar, use 'short unsigned int'
	for wchar_t.
	* c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
	* gcc.c (default_compilers): If -fshort-wchar,
	override __WCHAR_TYPE__.
	* tm.texi (C Dialect Options): Add -fshort-wchar.

	* dwarf2out.c (output_aranges): Use DW_AT_location to find the
	symbol for a variable.

	* cpplib.h (CPP_PREPROCESSED): New macro.
	* cpplib.c (handle_directive): Don't complain about `# NUMBER' if
	we're seeing this input for a second time.

Thu Sep 23 12:54:49 1999  Alex Samuel  <>

	* emit-rtl.c (init_emit_once): Initialize modes first.

Sun Sep 19 01:23:23 1999  Alex Samuel  <>

	* config/i386/i386.c (pic_label_name): Change to char pointer.
	(global_offset_table): New variable.
	(load_pic_register): Fill global_offset_table if it hasn't
	already been done.  Allocate pic_label_name dynamically.
	* ggc.h (empty_string): New variable.
	* ggc-simple.c (empty_string): Likewise.
	(init_ggc): Allocate empty_string and add as root.
	* stmt.c (digit_strings): New variable.
	(init_stmt): Add last_block_end_note as root.  Allocate and
	initialize digit_strings.
	(expand_asm_operands): Use empty_string instead of string
	constant.  Use digit_strings instead of string constants.
	* profile.c (init_arc_profiler): Allocate string with
	ggc_alloc_string instead of xmalloc.
	(output_func_start_profiler): Likewise.
	* c-typeck.c (digest_init): Check if init is error_mark_node.

Thu Sep 23 12:59:14 1999  Alex Samuel  <>
			  Richard Henderson  <>

	* ggc-page.c: New file.
	* (ggc-page.o): New.

Thu Sep 23 13:55:21 1999  Jeffrey A Law  (

	* invoke.texi: Document -fdelete-null-pointer-checks
	* toplev.c (flag_delete_null_pointer_checks): New.
	(f_options): Add entry for -fdelete-null-pointer-checks.
	(rest_of_compilation): Conditionalize null pointer check
	elimination on flag_delete_null_pointer_checks.
	(main): If -O2 or greater, enable -fdelete-null-pointer-checks

1999-09-23 10:56 -0700  Zack Weinberg  <>

	* iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
	copyright notice and special exception to GPL.

Thu Sep 23 13:40:23 1999  Kaveh R. Ghazi  <>

	* abi64.h (mips_function_value): Add prototype arguments.

	* mips-protos.h: New file with mips prototypes.

	* mips.c: Include "tm_p.h".
	(mktemp, lookup_name): Add prototype arguments.
	(extern_list, string_constant, mips_fill_delay_slot,
	mips_output_external, mips_output_external_libcall,
	mips_output_filename, mips_declare_object, function_prologue,
	mips_expand_prologue, function_epilogue, mips16_constant,
	build_mips16_function_stub, mips_output_conditional_branch):
	Constify a char*.
	(mips_va_start): Remove unused variable `u'.
	(mips_va_arg): Cast value to unsigned when comparing against one.
	(trace): Delete.
	(save_restore_insns, mips_expand_prologue): Add missing arg in
	call to `large_int'.

	* mips.h: Move prototypes to mips-protos.h.
	(data_section, memory_address_p, rdata_section,
	readonly_data_section, simple_epilogue_p, text_section): Delete
	prototypes delcared elsewhere.
	(mips_epilogue_delay_slots, print_options): Delete unused decls.
	(trace): Delete.
	(GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.

	* Delete extra args in call to `mips_move_2words'.

	* xm-iris6.h (alloca): Add prototype argument.

	* genpeep.c: Include "tm_p.h" in generated output file.

Thu Sep 23 10:36:55 EDT 1999  Andrew MacLeod  <>

	* basic-block.h (find_edge_index): Change parameters.
	* flow.c (verify_edge_list): Pass basic_block parameters to
	find_edge_index instead of integers.

Thu Sep 23 15:54:12 1999  Nick Clifton  <>

	* combine.c (simplify_comparison): Use an unsigned shift to adjust
	the constant.

Thu Sep 23 08:46:21 1999  Guy Harris  <>

	* gcc.1: Fix a formatting error.

Wed Sep 22 16:10:21 1999  Martin v. Löwis  <>

	* install.texi (Configurations): Remove pyramid. Add fr30, i686,
	i786, mn10200, mn10300, pdp11, v850.

Thu Sep 23 07:37:13 1999  Dan Nicolaescu  <>

	* libgcc2.c (num_digits): Add prototype with
	(__terminate): Add prototype.

Thu Sep 23 05:32:06 1999  Richard Henderson  <>

	* builtins.c, dbxout.c, varasm.c: Include tm_p.h.

	* alpha/alpha.c (print_operand): Fix type of `code'.
	(alpha_output_filename): Constify.
	* alpha/alpha.h: Move all function declarations ...
	* alpha/alpha-protos.h: ... here.  New file.
	* alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.

Thu Sep 23 11:15:36 1999  Bernd Schmidt  <>

	* expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
	* expr.c (expand_expr): Likewise.
	(do_jump): Likewise.
	(do_store_flag): Pass ccp_store_flag to can_compare_p.
	* expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
	accessor macros.
	(enum can_compare_purpose): New.
	(can_compare_p): Adjust prototype.
	(prepare_cmp_insn, prepare_operand): Declare.
	* genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
	* optabs.c (cmp_available_p): Deleted.
	(expand_abs): Pass ccp_jump to can_compare_p.
	(can_compare_p): New arg PURPOSE.  Check for combined optabs.
	(prepare_cmp_insn): No longer static.  Add arg PURPOSE.
	Call can_compare_p rather than cmp_available_p.
	(prepare_operand): No longer static.
	(emit_cmp_and_jump_insn): Check for and use cbranch patterns.
	(emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
	(expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
	sequence to use emit_cmp_and_jump_insns.
	(init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.

Wed Sep 22 17:58:01 1999  Stan Cox  <>

	* mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
	register offsets; let LEGITIMIZE_ADDRESS load it into a register.
	(LEGITIMIZE_ADDRESS): Use plus_constant to avoid
	(plus (reg) (const_int 0))
	* (call_internal3c): New pattern for -mips16 -mlong-calls.

Wed Sep 22 17:55:31 1999  David Edelsohn  <>

	* rs6000.c (expand_block_move): DImode loads and stores require
	word-aligned displacements.  Increment address registers with
	adddi3 on 64-bit platform.  Use TARGET_POWERPC64 not TARGET_64BIT.

Wed Sep 22 17:35:55 1999  Michael Meissner  <>

	* dwarf2out.c (base_type_die): Use the name __unknown__ if there
	is no name for the base type, rather than segfault.  If we are
	writing out a complex integer type, use DW_ATE_lo_user.

	* expr.c (emit_move_insn_1): If we are copying a complex that fits
	in one word or less (complex char, complex short, or on 64 bit
	systems complex float) to/from a hard register, copy it through
	memory instead of dying in gen_{real,imag}part.  If we have a
	short complex type, prevent inlining since it allocates stack

	* tree.c (build_complex_type): If we are writing dwarf2 output,
	generate a name for complex integer types.

Wed Sep 22 11:34:08 EDT 1999  Andrew MacLeod  <>

	* basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
	* flow.c (remove_edge): Remove extra whitespace.
	(remove_fake_edges): Fix comment.
	(add_noreturn_fake_exit_edges): Use the correct name.

Wed Sep 22 16:12:40 BST 1999  Nathan Sidwell  <>

	(mostlyclean): Depend on INTL_MOSTLYCLEAN.
	(clean): Depend on INTL_CLEAN.
	(maintainer-clean): Adjust.

Wed Sep 22 10:18:56 1999  Kaveh R. Ghazi  <>

	* (AC_PREREQ): Bump to 2.13.
	(AC_C_STRINGIZE): Call this instead of using a custom macro.

	* gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.

	* system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.

	* acconfig.h (HAVE_CPP_STRINGIFY): Delete.

	* alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.

Wed Sep 22 06:25:15 1999  Jim Kingdon  <>

	* save and restore warn_pointer_arith on __extension__
	along with pedantic.
	Set the type of extension to itype rather than $<itype>1 kludge.
	* extend.texi (Alternate Keywords): Adjust documentation.
	* c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.

Wed Sep 22 06:06:57 1999  Jeffrey A Law  (

	* pa.c, pa.h, Support multiple assembler dialects in
	most assembler templates.

	* pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
	FP loads and stores.
	(following_call): Always return zero for the PA8000.
	* pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
	FP loads and stores.

	* pa.h (BRANCH_COST): Define.

	* (return, return_internal): Use bve for PA2.0.

	* (fused multiply): Add variants which reduce height for the
	fused multiply, but which still generate 2 insns.
	(fnegabs): Similarly.

	* (subsi3): Turn into an expander.  Create two anonymous
	patterns.  One for PA2.0 one for PA1.x.  Use mtsarcm for PA2.0.
	* pa.h (EXTRA_CONSTRAINT): Handle 'S'.

	* (floatunssisf2, floatunssidf2): Generate different RTL
	for TARGET_PA_20.
	(floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
	code generation.
	(floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
	(fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.

	* regclass.c (init_regs): Add "top_of_stack" as a garbage
	collection root.

	* flow.c (record_active_eh_regions): Terminate loop after finding
	the last insn in the last basic block.

Wed Sep 22 20:25:00 1999  Michael Hayes  <>

	* config/c4x/ Delete parallel instruction peepholes.

Wed Sep 22 19:59:19 1999  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.

Wed Sep 22 19:56:25 1999  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
	splitting to not use output template.

Wed Sep 22 19:50:12 1999  Michael Hayes  <>

	* config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
	* config/c4x/c4x.c (c4x_va_start): New function.

Tue Sep 21 18:40:01 1999  Jan Hubicka  <>

	* genrecog.c (not_both_true): Handle correctly cases when called for
	tests with different positions in the insn.

Tue Sep 21 18:29:11 1999  Kaveh R. Ghazi  <>

	* machmode.h (HOST_PTR_PRINTF): Move from here ...

	* system.h (HOST_PTR_PRINTF): ... to here.

	* mips-tfile.c: Don't include machmode.h.

	* (MACHMODE_H): New variable.  Update to use it.
	(mips-tfile.o): Don't depend on machmode.h.

Tue Sep 21 18:27:34 1999  Kaveh R. Ghazi  <>

	* haifa-sched.c (sched_analyze): Rename local variable `region' to
	avoid conflicts with typedef struct `region' at the top level scope.

Tue Sep 21 14:14:50 1999  Richard Henderson  <>

	* basic-block.h (basic_block): Add eh_beg, eh_end.
	* flow.c (entry_exit_blocks): Update.
	(find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
	Call new functions.
	(find_basic_blocks_1): Don't record eh_list at each bb.  Use
	lists.c functions to allocate insn lists.
	(make_edges): Use eh_beg+eh_end, not the lists.  Split out EH
	edge creation ...
	(make_eh_edge): ... here.  New.
	(move_stray_eh_region_notes): New.
	(record_active_eh_regions): New.
	(delete_unreachable_blocks): Split out block merging ...
	(try_merge_blocks): ... here.  New.
	(merge_blocks_move_predecessor_nojumps): Remove edge arg.
	Dump debugging data.
	(merge_blocks_move_successor_nojumps): Likewise.
	(merge_blocks): Use eh_beg+eh_end to validate block movement.

Tue Sep 21 11:15:03 1999  Martin v. Löwis  <>

	* extend.texi (Bound member functions): Document unbound pmf

Tue Sep 21 14:55:11 EDT 1999  Andrew MacLeod  <>

	* flow.c (split_edge): Handle insertion on a fallthrough edge which
	has the EXIT_BLOCK as a dest.

Tue Sep 21 14:51:23 EDT 1999  Andrew MacLeod  <>

	* flow.c (remove_edge): New function to remove an edge from the
	flow graph.
	(remove_fake_successors): New function to remove fake successor edges.
	(remove_fake_edges): New function to remove all fake edges from the
	flow graph.
	(add_fake_exit_edges): New function to add fake edges from all blocks
	with no successors to the exit block.
	* basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
	prototypes for new functions.

Tue Sep 21 14:49:53 EDT 1999  Andrew MacLeod  <>

	Use Pmode to determine whether to output .dword or .word.

Tue Sep 21 11:04:34 1999  Alex Samuel  <>

	* tree.c (built_in_filename): New variable.
	(BUILT_IN_FILENAME): New macro.
	(init_tree_codes): Allocate built_in_filename.
	(make_node): Use built_in_filename instead of string constant.

Tue Sep 21 14:13:27 1999  Nick Clifton  <>

	* Add fr30 target.
	* configure: Regenerate.
	* config/fr30: New directory.
	* config/fr30/crti.asm: New file.
	* config/fr30/fr30.c: New file.
	* config/fr30/crtn.asm: New file.
	* config/fr30/fr30.h: New file.
	* config/fr30/ New file.
	* config/fr30/lib1funcs.asm: New file.
	* config/fr30/t-fr30: New file.
	* config/fr30/xm-fr30.h: New file.

Tue Sep 21 06:45:31 1999  Jeffrey A Law  (

	* flow.c (merge_blocks_move_successor_nojumps): Delete the
	BARRIER at the end of the successor, not the BARRIER before
	the successor.

	* pa.c (pa_add_gc_roots): Fix thinko in last change.

Tue Sep 21 05:29:17 1999  Richard Earnshaw (

	* stmt.c (any_pending_cleanups): Don't crash when
	current_function->stmt is unset.

Tue Sep 21 00:59:49 1999  Alexandre Oliva  <>

	* emit-rtl.c (init_emit_once): Initialize const_int_rtx before
	other initializations that may use it for relative offsets.

Mon Sep 20 21:43:25 1999  Alexandre Oliva  <>

	* config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
	(ASM_SPEC): Moved from sol2dbg.h.  Added work-around for gas.
	* config/i386/sol2dbg.h: Removed.
	* config/i386/sol2gas.h: New file, to enable gas work-around.
	* Use i386/sol2gas.h on Solaris/x86 --with-gas.
	Don't use sol2dbg.h.
	* configure: Rebuilt.

Mon Sep 20 13:29:41 1999  Mark Mitchell  <>

	* invoke.texi (-fthis-is-variable): Remove documentation.

Mon Sep 20 12:59:16 1999  Richard Henderson  <>

	* basic-block.h (compute_bb_for_insn): Declare.
	* flow.c (compute_bb_for_insn): Export.  Don't accept the varray
	to use; set size of basic_block_for_insn directly.
	(find_basic_blocks): Update.

Mon Sep 20 15:11:54 1999  Kaveh R. Ghazi  <>

	* flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".

Mon Sep 20 14:56:34 1999  Kaveh R. Ghazi  <>

	* crtstuff.c (ON_EXIT): Delete empty macro definition.
	(__do_global_ctors_aux): Call atexit(), not ON_EXIT().

Mon Sep 20 15:25:35 1999  Nick Clifton  <>

	* c-decl.c (c_decode_option): Extend comment.

Mon Sep 20 14:43:37 1999  Nick Clifton  <>

	* toplev.c (progname): Make 'const char *'
	(flag_print_mem): Move out of main.
	(version_flag): Move out of main.
	(filename): Move out of main.
	(debug_args): Remove g prefix from options.
	(documented_lang_options): Remove cpplib specific options.
	(display_help): Add g prefix to debug options.
	(check_lang_option): Delete this function.
	(decode_d_option): New function: Decode -d... option.
	(decode_f_option): New function: Decode -f... option.
	(decode_W_option): New function: Decode -W... option.
	(decode_g_option): New function: Decode -g... option.
	(independent_decode_option): New function: Decode a language
	independent command line option.
	(main): Invoke lang_decode_option and then
	independent_decode_option on each command line option in

Mon Sep 20 05:41:36 1999  Jeffrey A Law  (

	Revert this change.  Gavin's patch to operand_equal_p is a better fix.
	 * fold-const.c (fold_range_test): Do not try to fold the range
	 test if the rhs or lhs has side effects.

	* basic-block.h (compute_flow_dominators): Declare.

	* gcse.c (alloc_code_hoist_mem): New function.
	(free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
	(compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
	(hoist_code, one_code_hoisting_pass): Likewise.
	(gcse_main): If optimizing for size, then hoist expressions
	computed in multiple dominated basic blocks.

	* gcse.c (invalid_nonnull_info): New function.
	(delete_null_pointer_checks): Likewise.
	* rtl.h (delete_null_pointer_checks): Declare.
	* toplev.c (rest_of_compilation): Call delete_null_pointer_checks.

	* flow.c (merge_blocks_move_predecessor_nojumps): New function.
	(merge-blocks_move_successor_nojumps): Likewise.
	(merge_blocks): Allow merging of some blocks, even if it requires
	physical movement of the blocks, but not if it requires new jumps.

	* bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
	Callers and prototype changed.
	* bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.

Mon Sep 20 06:56:32 1999  Alexandre Oliva  <>

	* config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
	-YP when both -p and -pg are present.  From i386/sol2.h.

Mon Sep 20 10:49:05 1999  Bernd Schmidt  <>

	* (distclean): Delete tm_p.h.
	* Create a new file, "tm_p.h", from a list in
	"tm_p_file". For ix86 systems, set up "tm_p_file" to include

	* alias.c: Include "tm_p.h".
	* c-typeck.c: Likewise.
	* calls.c: Likewise.
	* cse.c: Likewise.
	* emit-rtl.c: Likewise.
	* explow.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* final.c: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* global.c: Likewise.
	* haifa-sched.c: Likewise.
	* integrate.c: Likewise.
	* jump.c: Likewise.
	* local-alloc.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* toplev.c: Likewise.
	* tree.c: Likewise.
	* unroll.c: Likewise.
	* genattrtab.c (main): Make generated file include "tm_p.h".
	* genemit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genrecog.c (main): Likewise.

	* i386.h: Delete all prototypes.
	* i386.c: Include "tm_p.h".
	(ix86_attr_length_default): Call constant_call_address_operand
	with correct number of arguments.
	* i386-protos.h: New file.
	* (unnamed patterns): Call constant_call_address_operand
	with correct number of arguments.
	(exception_receiver): Call load_pic_register with correct number
	of arguments.

Sun Sep 19 14:18:39 1999  Richard Henderson  <>

	* c-pragma.c (mark_align_stack): Dereference the void* properly.

Sun Sep 19 09:03:40 1999  Mark Mitchell  <>

	* rtl.h (insns_safe_to_move_p): New function.
	* loop.c (find_and_verify_loops): Use it.
	* rtlanal.c (insns_safe_to_move_p): Define it.

Sun Sep 19 02:54:33 1999  Richard Henderson  <>

	* c-pragma.c: Include ggc.h.
	* (c-pragma.o): Update.

Sat Sep 18 16:01:18 1999  Alexandre Oliva  <>

	* config/i386/sol2.h (CPP_SPEC): Support -[p]threads
	(LIB_SPEC): Likewise.
	(LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
	Reindent -YP/-p/-pg.
	Copied from config/sparc/sol2.h.

Sat Sep 18 11:52:43 1999  Richard Henderson  <>

	* c-pragma.c (mark_align_stack): New.
	(init_pragma): New.
	* c-pragma.h (init_pragma): Declare it.
	* c-lex.c (init_parse): Call it.

Sat Sep 18 15:20:38 1999  Alexandre Oliva  <>

	* Pick up thread library on Solaris/x86 just
	like on Solaris/sparc.
	* configure: Rebuilt.

Sat Sep 18 11:15:58 1999  Alex Samuel  <>

	* rtl.h (global_rtx_index): New enum.
	(global_rtl): Change to array of rtx.
	(pc_rtx, cc0_rtx): Redefine accordingly.
	(cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
	(hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
	(virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
	(virtual_outgoing_args_rtx, virtual_cfa): Likewise.
	(const_int_rtx): Change to array of rtx.
	(const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
	* emit-rtl.c (global_rtl): Change to array of rtx.
	(const_int_rtx): Change to aray of rtx.
	(gen_rtx_CONST_INT): Redefine accordingly.
	(init_emit_once): Allocate and initialize global_rtl.  Likewise
	for const_int_rtx.  Add both as GC roots.
	* genattrtab.c (global_rtl): Update declaration.

1999-09-17  Ulrich Drepper  <>

	* Makefile (USER_H): Add iso646.h back.

Sat Sep 18 01:07:21 1999  Jeffrey A Law  (

	* haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
	zapping the LOG_LINKS of sched_before_next_call.

	* pa.h (INSN_SETS_ARE_DELAYED): Delete.
	* pa.c (insn_refs_are_delayed): Renamed from

Fri Sep 17 15:19:01 1999  Mark Mitchell  <>

	* functiion.h (struct function): Add x_whole_function_mode_p.
	(retrofit_block): Declare.
	* function.c (retrofit_block): New function.
	(identify_blocks): Add assertions.  Allow an incomplete set of
	block notes if we're still generating code for the function.
	* integrate.c: Include loop.h.
	(expand_inline_function): Call find_loop_tree_blocks to map block
	notes to blocks when in whole-function mode.  Use retrofit_block
	to insert new BLOCKs for the inlined function, rather than
	* stmt.c (expand_fixup): Likewise.  Don't use pushlevel/polevel.
	* (integrate.o): Depend on loop.h.

Fri Sep 17 15:11:20 1999  Mark Mitchell  <>

	* tree.h (warn_about_unused_variables): Declare.
	* stmt.c (warn_about_unused_variables): New function, split out
	from ...
	(expand_end_bindings): Here.

Fri Sep 17 15:07:37 1999  Mark Mitchell  <>

	* stmt.c (preserve_subexpressions_p): Don't crash when
	current_function->stmt is unset.

Fri Sep 17 15:03:16 1999  Mark Mitchell  <>

	* stmt.c (expand_start_bindings): Allow callers to pass a flag
	indicating that no NOTE_INSN_BLOCK_BEG note is required.
	(expand_start_target_temps): Use it.
	* except.c (expand_eh_region_start_for_decl): Likewise.
	* expr.c (expand_expr): Likewise.

Fri Sep 17 15:05:27 1999  Gavin Romig-Koch  <>

	* fold-const.c (operand_equal_p): Pay attention to side effects.

Fri Sep 17 11:14:17 1999  Jason Merrill  <>

	* libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
	* sparc/sunos4.h (HAVE_ON_EXIT): Remove.

	* tlink.c (scan_linker_output): Look for keywords before accepting
	a mangled name in quotes.

Thu Sep 16 16:47:08 1999  Richard Henderson  <>

	* alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
	* alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.

Thu Sep 16 16:35:41 1999  Richard Henderson  <>

	* Revert Thu Nov 26 change that came in through the
	last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
	Avoid earlyclobber when possible.

Thu Sep 16 18:44:48 1999  Kaveh R. Ghazi  <>

	* libgcc2.c (__do_global_ctors): Call atexit with one arg.

	* sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().

Thu Sep 16 18:06:35 1999  Kaveh R. Ghazi  <>

	* system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros.  Use
	CTYPE_CONV in all ctype macros.

	* cccp.c (initialize_char_syntax): Use uppercase ctype macro
	from system.h.

	* cexp.y (initialize_random_junk): Likewise.

	* c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.

	* i370.c (handle_pragma): Likewise.


	* v850.c (override_options): Likewise.

	* doprint.c (_doprnt): Likewise.

	* fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):

	* fixinc/server.c (load_data): Likewise.

	* fold-const.c (real_hex_to_f): Likewise.

	* genattr.c (write_upcase, gen_attr): Likewise.

	* genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
	write_upcase): Likewise.

	* genemit.c (print_code): Likewise.

	* genopinit.c (gen_insn): Likewise.

	* genpeep.c (print_code): Likewise.

	* genrecog.c (print_code): Likewise.

	* optabs.c (init_libfuncs): Likewise.

Thu Sep 16 14:03:32 1999  Mark Mitchell  <>

	* haifa-sched.c (sched_analyze): Keep the list of notes organized
	in pairs.
	(reemit_notes): Likewise.

Thu Sep 16 11:50:52 1999  Alex Samuel  <>

	* ggc.h (ggc_root): Move to ggc-common.c.
	(roots): Remove.
	(ggc_mark_rtx, ggc_mark_tree): Change to macro.
	(ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
	(ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
	(ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
	* ggc-common.c (ggc_root): Move from ggc.h.
	(roots): Declare, static.
	(ggc_mark_rtx, ggc_mark_tree): Renamed to...
	(ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
	null or check/set mark bit.
	(ggc_mark_roots): New.
	* ggc-simple.c (ggc_collect): Call ggc_mark_roots.

Thu Sep 16 11:37:32 1999  Richard Henderson  <>

	* m32r.c: Include toplev.h.
	(*): Add ATTRIBUTE_UNUSED as needed to arguments.
	(gen_compare): Rename swap_p to must_swap to match uses.
	Add default abort case.
	(m32r_output_function_epilogue): Remove unused variables.
	(m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
	* m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
	define to empty parameter list.  Update all uses.
	(predicate decls): Use enum machine_mode not int.
	* (movsi): Call abort, not fatal_insn.
	(zero_branch_insn, rev_zero_branch_insn): Add default abort case.

1999-09-14  Andrew Haley  <>

	* config/mips/ (movsi_usw): if operand 1 is const_int 0,
	use $0 instead of 0.

Thu Sep 16 10:53:36 1999  Bernd Schmidt  <>

	* reload1.c (order_regs_for_reload): Move hard_reg_n_uses
	computation out of loop over hard regs.

Wed Sep 15 21:37:06 1999  Mark Mitchell  <>

	* function.c (identify_blocks): Don't shadow a variable in an
	outer scope.
	* integrate.c (integrate_decl_tree): Don't use pushlevel,
	pushdecl, or poplevel to build up the new BLOCK tree.
	(expand_inline_function): Likewise.
	(integrate_parm_decls): Likewise.

Wed Sep 15 21:20:38 1999  Mark Mitchell  <>

	* c-typeck.c (qualify_type): Merge qualifiers from both types.

1999-09-15  Brad Lucier  <>

	* toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
	* invoke.texi: Document this change.

Wed Sep 15 17:56:00 1999  Richard Henderson  <>

	* emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
	Free the struct.
	(mark_emit_status): Renamed from mark_emit_state.
	* except.c (mark_eh_status): Renamed from mark_eh_state.
	Check not null before marking.
	(free_eh_status): New.
	* expr.c (mark_expr_status, free_expr_status): New.
	* function.c (free_machine_status): New.
	(free_after_parsing): New.
	(free_after_compilation): Move bits to free_after_parsing; call
	free_eh_status, free_expr_status; zero the marked members of the
	function state.
	(prepare_function_start): No can_garbage_collect.
	Call init_eh_for_function.
	(expand_dummy_function_end): Free up current_function state.
	(mark_function_status): Renamed from mark_function_state.
	(mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
	* function.h (struct function): No can_garbage_collect.
	(free_machine_status, free_after_parsing): Declare.
	(free_eh_status, free_expr_status): Declare.
	* ggc.h (mark_expr_status): Declare.
	* stmt.c (free_stmt_status): Free the struct.
	(mark_stmt_status): Renamed from mark_stmt_state.
	(init_stmt): Don't call init_eh.
	(init_stmt_for_function): Don't call init_eh_for_function.
	* toplev.c (compile_file): Call init_eh.
	(rest_of_compilation): Free basic block info before ggc_collect.
	Call free_after_parsing; conditionally call free_after_compilation.
	* varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
	Check not null before marking.
	(free_varasm_status): Don't check DECL_DEFER_OUTPUT.  Free the struct.

Wed Sep 15 17:53:16 1999  Richard Henderson  <>

	* c-lex.c (yylex): Initialize warn.

Wed Sep 15 18:35:38 1999  Jeffrey A Law  (

	* pa.c (emit_move_sequence): Properly set the mode of the scratch
	register when performing secondary reloads for the SAR register.

Wed Sep 15 15:51:52 1999  Mark Mitchell  <>

	* rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
	(NOTE_BLOCK): New macro.
	* function.h (identify_blocks): Change prototype.
	* function.c (identify_blocks): Simplify.
	(reorder_blocks): Likewise.
	* ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
	* haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
	the list of saved notes if the note isn't a
	(move_insn1): Use NOTE_EH_HANDLER in comment, rather than
	(reemit_notes): Adjust recreation of notes to reflect new saved
	note structure.
	* print-rtl.c (print_rtx): Print the address of the BLOCK when
	printing a block note.
	* stmt.c (block_vector): Remove.
	(find_loop_tree_blocks): Simplify.
	(unroll_block_trees): Likewise.
	* tree.h (reorder_block): Change prototype.

Wed Sep 15 14:39:35 1999  Jason Merrill  <>

	* gbl-ctors.h: Lose HAVE_ATEXIT.  Don't define ON_EXIT.
	* libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
	(__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
	(__do_global_dtors): Likewise.  Don't mess with _exit_dummy_decl.
	(atexit, exit): Simplify.
	* tm.texi: Document NEED_ATEXIT and ON_EXIT.  Remove HAVE_ATEXIT.
	* config/lots: Remove defns of HAVE_ATEXIT.

Wed Sep 15 10:25:12 1999  Mark Mitchell  <>

	* calls.c (precompute_arguments): Fix typo in comment.
	* expr.c (preexpand_calls): Don't preexpand the cleanup in a

Wed Sep 15 09:59:59 1999  Mark Mitchell  <>

	* dsp16xx.c (override_options): Fix typos in GC root registration.

Wed Sep 15 15:23:28 1999  Philip Blundell  <>

	* config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
	from config/svr4.h.
	(FUNCTION_PROFILER): Redefine appropriately for Linux.
	(CC1_SPEC): Likewise.

Wed Sep 15 10:09:48 1999  Kaveh R. Ghazi  <>

	* genattr.c (main): Add extern prototype.  Call return, not exit.
	* genattrtab.c (main): Likewise.
	* gencheck.c (main): Likewise.
	* gencodes.c (main): Likewise.
	* genconfig.c (main): Likewise.
	* genemit.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genflags.c (main): Likewise.
	* gengenrtl.c (main): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genpeep.c (main): Likewise.
	* genrecog.c (main): Likewise.

	* genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
	* genattrtab.c (get_insn_name): Likewise.
	* gencodes.c (get_insn_name): Likewise.
	* genconfig.c (get_insn_name): Likewise.
	* genemit.c (get_insn_name): Likewise.
	* genextract.c (get_insn_name): Likewise.
	* genflags.c (get_insn_name): Likewise.
	* genopinit.c (get_insn_name): Likewise.
	* genpeep.c (get_insn_name): Likewise.

	* gencheck.c (usage): Add static prototype.
	* genextract.c (print_path): Constify a char*.
	* genopinit.c (optabs): Likewise.
	* genoutput.c (operand_data, data, output_predicate_decls,
	compare_operands): Likewise.
	* genrecog.c (write_tree): Add default case in switch.

Wed Sep 15 09:59:16 1999  Kaveh R. Ghazi  <>

	* rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.

	* print-rtl.c (get_insn_name): Remove prototype.

	* toplev.h (progname): Declare const.

	* toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
	init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
	dump_sched_info, dump_local_alloc, regset_release_memory,
	print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
	error_with_file_and_line, error_with_decl, error_for_asm, error,
	fatal, warning_with_file_and_line, warning_with_decl, warning,
	pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
	Remove redundant prototypes.

	(notice, check_lang_option, report_file_and_line, vnotice,
	mark_file_stack): Add static prototype.
	(set_fatal_function): Add prototype.
	(vnotice, report_file_and_line, set_fatal_function,
	check_lang_option): Constify a char*.
	(main): Prototype.  Call return, not exit.

Wed Sep 15 09:50:18 1999  Kaveh R. Ghazi  <>

	* aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.

	* (AC_GCC_C_LONG_DOUBLE): Call it.

	* gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.

	* ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.

Wed Sep 15 11:04:43 1999  Bernd Schmidt  <>

	* function.c (assign_parms): Delete arg SECOND_TIME.  Don't test it,
	behave as if it's zero in all cases.
	(expand_function_start): Adjust call to assign_parms.
	* tree.h (assign_parms): Adjust prototype.
	* objc/objc-act.c (hack_method_prototype): Adjust call to

Tue Sep 14 21:47:06 1999  Jeffrey A Law  (

	* cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
	arg_pointer_rtx fixed if the argument pointer register is
	not fixed.

Tue Sep 14 20:26:02 1999  Richard Henderson  <>

	* rtl.def (match_insn, match_insn2): Remove match_insn; rename
	match_insn2 to match_insn.
	* genrecog.c (add_to_sequence): Rename MATCH_INSN2.

Tue Sep 14 20:10:29 1999  Richard Henderson  <>

	* (USER_H): Remove va-foo.h.

	* ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
	va-spur.h,va-v850.h}: Remove.

Tue Sep 14 19:43:16 1999  Richard Henderson  <>

	* sparc/ (eligible_for_return_delay): New attribute.
	(in_return_delay): Use it instead of match_insn.

Tue Sep 14 23:05:37 1999  Alexandre Oliva  <>

	* config/alpha/va_list.h (va-alpha.h): Do not include.
	(__gnuc_va_list): Typedef as in varargs.h.

Tue Sep 14 18:14:03 1999  Richard Henderson  <>

	* ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and

Tue Sep 14 16:47:08 1999  Mark Mitchell  <>

	* except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
	(expand_eh_region_end): Likewise.
	(find_exception_handler_labels): Likewise.
	(scan_region): Likewise.
	(exception_optimize): Likewise.
	(update_rethrow_references): Likewise.
	(set_insn_eh_region): Likewise.
	* final.c (final_scan_insn): Likewise.
	* flow.c (make_edges): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* print-rtl.c (print_rtx): Likewise.

Tue Sep 14 16:30:16 1999  Richard Henderson  <>

	* ginclude/stdarg.h, ginclude/varargs.h: Implement in
	terms of builtin functions and types.

	* mips.c (mips_build_va_list): New.
	(mips_va_start, mips_va_arg): New.
	* mips.h (BUILD_VA_LIST_TYPE): New.

	* sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
	(sh_build_va_list, sh_va_start, sh_va_arg): New.
	* sh.h (BUILD_VA_LIST_TYPE): New.

Tue Sep 14 16:20:24 1999  Richard Henderson  <>

	* recog.h (struct recog_data): Make dup_num, operand_address_p,
	n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
	(struct insn_data): Likewise with n_operands, n_dups,
	n_alternatives, output_format.
	* regclass.c (scan_one_insn): Cast n_operands to int before
	arithmetic inside comparison.

Tue Sep 14 15:13:36 1999  Richard Henderson  <>

	* toplev.c (compile_function): Unconditionally emit nop.

Tue Sep 14 14:41:47 1999  Kaveh R. Ghazi  <>

	* haifa-sched.c (actual_hazard): Move declaration of variable
	`this_cost' into the scope where it is used.

Tue Sep 14 14:14:28 1999  Kaveh R. Ghazi  <>

	* c-pragma.c (handle_pragma_token): Wrap variables `name' and
	`value' in HANDLE_PRAGMA_WEAK.  Wrap variable `align' in

	* genrecog.c (make_insn_sequence): Call memset, not bzero.

	* jump.c (find_insert_position): Don't declare or define unless
	(returnjump_p_1, delete_prior_computation): Add static prototypes.

	* mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.

	* recog.c (offsettable_address_p): Prototype function pointer.
	(preprocess_constraints): Call memset, not bzero.

	* tree.c (tree_node_kind_names): Constify a char*.  Make static.
	(gcc_obstack_init): Don't declare.
	(fix_sizetype): Add static prototype.
	(gcc_obstack_init): Use prototype casts in call to _obstack_begin.
	(tree_cons): Call memset, not bzero.

	* varasm.c (remove_from_pending_weak_list): Wrap declaration and
	definition in macro ASM_WEAKEN_LABEL.
	(mark_const_hash_entry): Add static prototype.

Tue Sep 14 12:22:50 1999  Kaveh R. Ghazi  <>

	* c-lex.c (handle_generic_pragma): Remove unused variable `c'.

	* unroll.c (find_common_reg_term, subtract_reg_term,
	loop_find_equiv_value): Add static prototypes.
	(unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
	(copy_loop_body): Remove unreachable break statement.

	* sparc.c (sparc_va_arg): Remove unused variable `tmp'.

	* sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.

Tue Sep 14 15:28:00 1999  Bernd Schmidt  <>

	Undo some changes from the gcc2 merge:
	* rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
	* emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null

	Undo this change:
	Sat Oct  3 07:20:28 1998  Stephen L Moshier  <>
	* emit-rtl.c (gen_lowpart_common): Disable optimization of
	initialized float-int union if the value is a NaN.

Tue Sep 14 04:03:44 1999  Mumit Khan  <>

	* gthr-win32.h: New file.

	* i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
	shared as a valid attribute.
	* i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
	* extend.texi: Document `shared' variable attribute.

Tue Sep 14 04:01:46 1999  Loren Rittle  <>

	* Handle --enable-threads on FreeBSD.
	* configure: Rebuit.

Tue Sep 14 03:58:44 1999  Andreas Jaeger  <>

	* Add crtbeginS.o, crtendS.o for mips-linux; add
	thread support.
	* configure: Rebuilt.

Tue Sep 14 03:47:23 1999  Joel Sherrill <>
			  Charles-Antoine Gauthier <>
			  Rosimildo DaSilva <>

	* (m68k-*-rtemscoff*): Added.
	* (mips64orion-*-rtems*): Converted to ELF.
	* (sparc-*-rtemsaout*): Added as alias for old
	sparc-rtems configuration.
	* (sparc-*-rtemself*): Added.
	* (sparc-*-rtems*): Now ELF not a.out.
	* config/i386/rtems.h: Added comment.
	* config/sparc/rtemself.h: New file.

	* (m68k-rtemself): Added.
	* config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
	* config/m68k/crti.s: New file.
	* config/m68k/crtn.s: New file.
	* config/m68k/t-crtstuff: New file.
	* config/m68k/rtemself.h: New file.

	* (i[[34567]]86-*-rtemself*): Now uses crtstuff for
	global ctor/dtor and C++ exception handling.
	* config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
	for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
	* config/i386/t-rtems-i386: New File.

Tue Sep 14 09:47:41 1999  Andreas Schwab  <>

	* stmt.c (expand_end_case): Return right away if the case stack is

Tue Sep 14 01:47:19 1999  Jeffrey A Law  (

	* (version.c): Remove rule incorrectly brought in from
	the gcc2 merge.

Tue Sep 14 01:42:27 1999  Marc Espie <>

	*  Prepend $(SHELL) to move-if-change calls.
	* msdos/top.sed:  Take into account a prepended $(SHELL) to
	* winnt/config-nt.sed:  Likewise.  Kill bogus substitution.

	* objc/ Prepend $(SHELL) to move-if-change calls.

Tue Sep 14 01:38:52 1999  J"orn Rennecke <>

	* regmove.c (fixup_match_1): Don't change an unchanging register.
	(stable_but_for_p): Renamed to:
	(stable_and_no_regs_but_for_p).  Reject unchanging registers too.
	Changed all callers.

Tue Sep 14 01:33:15 1999  Andreas Schwab  <>

	* loop.c (strength_reduce): Don't call reg_used_between_p if the
	insn from BL2 is after the insn from BL.

Mon Sep 13 21:06:01 1999  Richard Henderson  <>

	* recog.h (INSN_OUTPUT_FORMAT_*): New.
	(struct insn_data): Merge `template' and `outfun' into `output'.
	Add `output_format'.
	* genoutput.c (INSN_OUTPUT_FORMAT_*): New.
	(struct data): Remove `outfun'; add `output_format'.
	(name_for_index): Remove declaration.
	(output_insn_data): Handle output formats.
	(process_template): Emit the bare array for @.
	(gen_expand, gen_split): Set output_format to NONE.
	* output.h (get_insn_template): Declare.
	* final.c (get_insn_template): New.
	(final_scan_insn): Use it.
	* toplev.c (compile_file): Likewise.

	* c4x/c4x.c (c4x_process_after_reload): Likewise.
	* i860/i860.c (output_delayed_branch): Likewise.
	(output_delay_insn): Likewise.

1999-09-13  Alexandre Oliva  <>

	* rtl.c (obstack_alloc_rtx): Removed.

1999-09-13 17:03 -0700  Zack Weinberg  <>

	* config/gmicro/ Disable move DF->DI anonymous pattern.

Mon Sep 13 15:21:46 1999  Richard Henderson  <>

	* i386.c (call_insn_operand): Reject const_int.
	(expander_call_insn_operand): Use call_insn_operand.

Mon Sep 13 17:44:28 1999  Kaveh R. Ghazi  <>

	* gcc.c (getrusage): Wrap prototype arguments in PROTO().

1999-09-13 12:18 -0700  Zack Weinberg  <>

	* config/i370/ (mulsi, divsi, modsi anonymous insns):
	Use DImode operation.

1999-09-13 12:13 -0700  Zack Weinberg  <>

	* gcc.c: Include sys/resource.h.
	(report_times): New flag.
	(execute):  If report_times is set, calculate and report the
	CPU time consumed by each subprocess.

	(rus, prus): New globals.
	(option_map): Add --time.
	(display_help): Document -time.
	(process_command): Set report_times if -time is given.
	Turn off -pipe if -time is given.

	* invoke.texi: Document new option -time.

	* Check for getrusage.  Check if we have to
	prototype getrusage.
	* configure: Regenerate.
	* Regenerate.

Mon Sep 13 12:57:06 1999  Dave Brolley  <>

	* cppinit.c (append_include_chain): Initialize 'next' and 'alloc'

Mon Sep 13 10:01:33 1999  Nick Clifton  <>

	* config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
	appropriate) if FINE_GRAINED_LIBRARIES is not defined.
	(nan): Return _thenan_sf or _thenan_df as appropriate.
	(L_thenan_sf): Define _thenan_sf.
	(L_thenan_df): Define _thenan_df.

	* (FPBIT_FUNCS): Add _thenan_sf.
	(DPBIT_FUNCS): Add _thenan_df.

Mon Sep 13 09:38:53 1999  Andreas Schwab  <>

	* tree.c (fix_sizetype):  Exchange the types for TYPE_SIZE and

Sun Sep 12 23:28:20 1999  Kaveh R. Ghazi  <>

	* (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.

	* gcc.h: New file.
	(lang_specific_driver): Don't take a function pointer parameter.
	All callers changed.

	* gcc.c: Include gcc.h.
	(do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
	lang_specific_extra_outfiles, fatal): Don't declare.
	(multilib_defaults_raw): Constify.
	(read_specs): Call memset, rather than bzero.
	(main): Call return, not exit.
	(lookup_compiler): Call memcpy, not bcopy.
	(fatal): Make extern.

	* cppspec.c: Include gcc.h.
	(lang_specific_driver): Initialize variable `quote'.  Constify a
	char*.  All calls to the function pointer parameter now
	explicitly call `fatal'.

	* gccspec.c (lang_specific_driver): Include gcc.h.

Sun Sep 12 19:52:10 1999  Richard Earnshaw <>

	* arm.c (note_invalid_constants): Use recog_data.operand_type
	for recog_op_type.

Sun Sep 12 15:53:20 1999  Bernd Schmidt  <>

	* tree.h (build_common_tree_nodes, build_common_tree_nodes_2):

	* reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
	reload_reg_class, reload_inmode, reload_outmode, reload_optional,
	reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
	reload_secondary_in_reload, reload_secondary_out_reload,
	reload_secondary_in_icode, reload_secondary_out_icode,
	reload_reg_rtx, reload_when_needed): Delete declarations.
	(struct reload): New structure.
	(rld): Declare new array.
	* reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
	reload_reg_class, reload_inmode, reload_outmode, reload_optional,
	reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
	reload_secondary_in_reload, reload_secondary_out_reload,
	reload_secondary_in_icode, reload_secondary_out_icode,
	reload_reg_rtx, reload_when_needed): Delete definitions.
	(rld): New array.
	(whole file): Replace uses of the deleted arrays with uses of rld.
	* reload1.c (whole file): Replace uses of the deleted arrays with
	uses of rld.
	(choose_reload_regs): Copy in/out of save_reload_reg_rtx with
	explicit loops, not with bcopy.

Sun Sep 12 05:00:24 1999  Richard Henderson  <>

	* recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
	insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
	insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
	insn_name): Delete and consolidate into new structures.
	(insn_operand_predicate_fn): New.
	(insn_output_fn): New.
	(insn_gen_fn): New.
	(struct insn_operand_data): New.
	(struct insn_data): New.
	(insn_data): New.
	(OUT_FCN): Update for insn_data change.
	* builtins.c (expand_builtin_strlen): Likewise.
	(expand_builtin_memcmp): Likewise.
	* combine.c (make_extraction, simplify_comparison): Likewise.
	* cse.c (canon_reg, cse_insn): Likewise.
	* explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
	* expmed.c (store_bit_field, extract_bit_field): Likewise.
	(emit_store_flag): Likewise.
	* expr.c (convert_move, emit_block_move): Likewise.
	(clear_storage, emit_push_insn, expand_increment): Likewise.
	(do_store_flag): Likewise.
	* expr.h (GEN_FCN): Likewise.
	(insn_gen_function): Die.
	* final.c (final_scan_insn): Update for insn_data change.
	(output_asm_name): Likewise.
	* function.c (fixup_var_refs_1): Likewise.
	* loop.c (check_dbra_loop): Likewise.
	* optabs.c (expand_binop, expand_twoval_binop): Likewise.
	(expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
	(prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
	(emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
	* recog.c (validate_replace_rtx_1, extract_insn): Likewise.
	* regmove.c (gen_add3_insn): Likewise.
	* reload.c (push_secondary_reload, combine_reloads): Likewise.
	(find_reloads, find_reloads_address_1): Likewise.
	(debug_reload_to_stream): Likewise.
	* reload1.c (emit_reload_insns, gen_reload): Likewise.
	* stmt.c (expand_end_case): Likewise.
	* toplev.c (compile_file): Likewise.

	* c4x/c4x.c (c4x_process_after_reload): Likewise.
	* i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.

	* print-rtl.c (insn_name_ptr): Remove declaration.
	(get_insn_name): Declare.
	(print_rtx): Use it.
	* genoutput.c (insn_name_ptr): Remove.
	(next_operand_number): New.
	(struct operand_data): New.
	(null_operand, odata, odata_end): New.
	(struct data): Use struct operand_data.
	(idata, idata_end): Renamed from insn_data and end_of_insn_data.
	(get_insn_name): Renamed from name_for_index.
	(output_prologue): Define NO_MD_PROTOTYPES.
	(output_predicate_decls): Break out from output_epilogue.
	Iterate over the operands list.
	(output_operand_data): Break out from output_epilogue.  Emit
	just the operands list.
	(output_insn_data): Break out from output_epilogue.  Emit just
	the insn data.
	(output_epilogue): Remove.
	(output_get_insn_name): New.
	(constraints, op_n_alternatives, predicates, address_p): Die.
	(modes, strict_low, seen): Die.
	(scan_operands): Take new param `d' instead of writing to
	seven global variables.
	(compare_operands): New.
	(place_operands): New.
	(validate_insn_alternatives): Update for struct data change.
	(gen_insn): Don't zero or copy 7 global arrays.  Update for
	scan_operands; call place_operands.
	(gen_peephole, gen_expand, gen_split): Likewise.
	(main): Update for new output routines.

	* genattr.c (insn_name_ptr): Remove.
	(get_insn_name): New function.
	* genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
	* genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
	* genrecog.c: Likewise.

	* (adddi3): Make `pattern' array static.

Sun Sep 12 22:05:21 1999  Michael Hayes  <>

	* config/c4x/c4x.h (c4x_rpts_cycles_string,
	c4x_cpu_version_string): Constify char *.
	* config/c4x/c4x.c (c4x_rpts_cycles_string,
	c4x_cpu_version_string): Likewise.

Sat Sep 11 23:28:33 1999  Richard Henderson  <>

	* tree.c (save_tree_status): Revert 10 Sep change.
	(restore_tree_status): Likewise.  Call obstack_free with NULL
	before freeing the obstack proper.

Sat Sep 11 23:23:46 1999  Richard Henderson  <>

	* cse.c (cse_main): If gc'ing, collect around cse_basic_block.

	* ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
	surrounding context.

Sat Sep 11 19:52:43 1999  Mark Mitchell  <>

	* tree.c (type_hash_canon): Put all types in the hash-table, when

Sat Sep 11 18:37:04 1999  Richard Henderson  <>

	* recog.h (struct recog_data, recog_data): New.
	(recog_foo variables): Kill.
	* recog.c (recog_operand, recog_operand_loc): Kill.
	(recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
	(recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
	(recog_constraints, recog_op_type, recog_operand_address_p): Kill.
	(recog_data): Define.
	(extract_insn): Update all recog_foo references to use recog_data.
	(preprocess_constraints, constrain_operands): Likewise.
	* final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
	* genattrtab.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genoutput.c: Likewise.
	* genrecog.c (write_subroutine, main): Likewise.
	* local-alloc.c (block_alloc): Likewise.
	* reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
	* regclass.c (scan_one_insn, record_reg_classes): Likewise.
	* regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
	* reload.c (find_reloads, find_reloads_toplev): Likewise.
	* reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
	(reload_cse_simplify_operands): Likewise.

	* arc/arc.c (arc_final_prescan_insn): Likewise.
	* arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
	* h8300/h8300.c (notice_update_cc): Likewise.
	* i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
	* i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
	* mn10200/mn10200.c (notice_update_cc): Likewise.
	* mn10300/mn10300.c (notice_update_cc): Likewise.
	* romp/romp.c (update_cc): Likewise.
	* sparc/sparc.c (check_pic): Likewise.
	* v850/v850.c (notice_update_cc): Likewise.

	* genemit.c (main): Don't declare recog_operand.

Sat Sep 11 12:41:55 1999  Alex Samuel  <>

	* ggc.h (rtvec_def): Forward declare.
	(tree_node): Likewise.
	(ggc_root): Define.
	(roots): Declare.
	(ggc_set_mark_rtx): Add prototype.
	(ggc_set_mark_rtvec): Likewise.
	(ggc_set_mark_tree): Likewise.
	* ggc-simple.c (ggc_root): Don't define.
	(roots): Don't declare.
	(ggc_mark_rtx): Remove.
	(ggc_mark_rtvec): Likewise.
	(ggc_mark_tree): Likewise.
	(ggc_mark_varray): Likewise.
	(ggc_mark_tree_hash_table_entry): Likewise.
	(ggc_mark_tree_hash_table): Likewise.
	(ggc_set_mart_rtx): New function.
	(ggc_set_mark_rtvec): Likewise.
	(ggc_set_mark_tree): Likewise.
	(ggc_add_root): Remove.
	(ggc_add_rtx_root): Likewise.
	(ggc_remove_tree_root): Likewise.
	(ggc_add_string_root): Likewise.
	(ggc_add_tree_varray_root): Likewise.
	(ggc_add_tree_hash_table_root): Likewise.
	(ggc_del_root): Likewise.
	(ggc_mark_rtx_ptr): Likewise.
	(ggc_mark_tree_ptr): Likewise.
	(ggc_mark_string_ptr): Likewise.
	(ggc_mark_tree_varray_ptr): Likewise.
	(ggc_mark_tree_hash_table_ptr): Likewise.
	* ggc-common.c: New file.
	* (OBJS): Add ggc-common.o.
	(ggc-common.o): List dependencies.

1999-09-10 22:37 -0700  Zack Weinberg  <>

	* cppalloc.c (xstrdup): Use memcpy.
	* cpperror.c (cpp_print_containing_files): Don't use
	* cpplib.c (conditional_skip): Set temp->lineno.
	(do_endif): Make error message less obscure.
	(if_directive_name): New function.
	(cpp_get_token [case EOF]): Unwind the if stack and generate
	error messages for each unterminated conditional in this file.
	(parse_string):  Do not behave differently if -traditional.

Fri Sep 10 14:04:07 1999  Richard Henderson  <>

	* builtins.c (expand_builtin_va_arg): Cope with an array-type
	va_list decomposing to pointer-type.
	* rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
	(rs6000_va_arg): Likewise.

Fri Sep 10 13:21:21 1999  Jim Wilson  <>

	* except.c (start_dynamic_handler): Compute size using

Fri Sep 10 16:01:23 1999  Kaveh R. Ghazi  <>

	* protoize.c: Remove various __STDC__ and POSIX hacks.  Don't
	include directory headers.  Don't define strrchr.  Don't provide
	my_* replacement functions.  Prefer PTR over `pointer_type'.
	Don't prototype system functions.  Don't redefine getopt.

	(shortpath, fancy_abort, notice, savestring, dupnstr, substr,
	safe_read, safe_write, save_pointers, restore_pointers,
	is_id_char, in_system_include_dir, directory_specified_p,
	file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
	find_corresponding_lparen, referenced_file_is_newer,
	save_def_or_dec, munge_compile_params, gen_aux_info_file,
	process_aux_info_file, identify_lineno, check_source,
	seek_to_line, forward_to_next_token_char, output_bytes,
	output_string, output_up_to, other_variable_style_function,
	find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
	do_processing, is_syscalls_file, rename_c_file, find_extern_def,
	find_static_definition, connect_defs_and_decs, add_local_decl,
	add_global_decls, needs_to_be_converted, visit_each_hash_node,
	add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
	edit_fn_declaration, edit_formals_lists, edit_fn_definition,
	scan_for_missed_items, edit_file, string_list_cons): Add static
	(standard_exec_prefix, target_machine, target_version,
	default_syscalls_dir, string_list, string_list_cons, find_file,
	do_cleaning): Constify a char*.
	(safe_read, safe_write): Use PTR, not a char*.
	(is_id_char): Take an int, not a char.
	(main): Add prototype.  Call return, not exit.

Fri Sep 10 16:48:26 1999  Andrew Haley  <>

	* tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
	when comparing types.

Fri Sep 10 08:43:32 1999  Richard Henderson  <>

	* loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
	(strength_reduce): Release the varrays from the no-bivs early exit.

	* reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
	the loop over the registers.

	* tree.c (save_tree_status): Set maybepermanent_firstobj NULL
	for a new obstack.
	(restore_tree_status): Check that instead when freeing the obstack.

Wed Sep  8 16:12:04 1999  Andrew Haley  <>

	* alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
	as pointers.

Fri Sep 10 11:58:55 1999  Bernd Schmidt  <>

	* (ashlqi3): For NON_QI_REG_P regs, use sall.  Fix some
	operand size modifiers.

Fri Sep 10 10:32:32 1999  Bernd Schmidt  <>

	* c-common.c (c_common_nodes_and_builtins): Don't build
	* c-common.h (enum c_tree_index and related accesor macros): Remove
	everything now declared in tree.h.
	DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
	(error_mark_node, void_type_node, char_type_node, integer_type_node,
	unsigned_type_node, ptr_type_node, va_list_type_node,
	integer_zero_node, null_pointer_node, integer_one_node): Delete.
	(init_decl_processing): Call build_common_tree_nodes and
	build_common_tree_nodes_2 instead of building their nodes here.
	Don't add roots for these nodes.
	* stor-layout.c (size_zero_node, size_one_node): Delete.
	(set_sizetype): Make a new node for bitsizetype each time.
	* tree.c (global_trees): New variable.
	(init_obstacks): Add a gc root for it.
	(build_common_tree_nodes): New function.
	(fix_sizetype): New function.
	(build_common_tree_nodes_2): New function.
	* tree.h (enum tree_index): New.
	(global_trees): Declare.
	Add accessor macros for all nodes now moved to global_trees.
	Delete their declarations.

Thu Sep  9 20:15:46 1999  Richard Henderson  <>

	* c-decl.c (finish_function): When processing a nested function,
	push and pop GC context around rest_of_compilation.

Thu Sep  9 16:42:06 1999  Richard Henderson  <>

	* i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
	Default ix86_arch to PROCESSOR_I386.
	* i386.h (CC1_CPU_SPEC): Don't add -march=foo.  Remove -mno-foo.
	(CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
	(CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
	(CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
	__tune_foo__ if no -mcpu.  Make -mcpu=bar define __tune_bar__.
	(EXTRA_SPECS): Remove deleted specs.

Thu Sep  9 16:03:06 1999  Richard Henderson  <>

	* function.c (assign_stack_local_1): Allocate from
	function->x_frame_offset, not frame_offset.

Thu Sep  9 14:36:31 1999  Mark Mitchell  <>

	* ggc.h (lang_cleanup_tree): Remove.
	* gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
	* ggc-callbacks.c (lang_cleanup_tree): Remove.

	* c-decl.c (finish_struct): Use ggc_alloc to allocate
	TYPE_LANG_SPECIFIC when garbage collecting.
	(lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
	(lang_cleanup_tree): Remove.

Thu Sep  9 14:23:02 1999  Jason Merrill  <>

	* defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
	* crtstuff.c: Not here.
	* dwarf2out.c: Or here.
	* libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame

Thu Sep  9 09:40:58 1999  Mark Mitchell  <>

	* function.h (free_after_compilation): Remove decl parameter.
	(free_varasm_status0: Likewise.
	(free_emit_status): Likewise.
	(free_stmt_status): Likewise.
	(free_after_compilation): Likewise.
	(init_lang_status): New variable.
	(free_lang_status): Likewise.
	* emit-rtl.c (free_emit_status): Make decl parameter implicit.
	* function.c (init_lang_status): New variable.
	(free_lang_status): Likewise.
	(push_function_context_to): Don't set function::decl here.
	(free_after_copmilation): Make decl parameter implicit.  Call
	free_lang_status if defined.
	(prepare_function_start): Call init_lang_status if defined.
	(init_function_start): Set function::decl here.
	* profile.c (output_func_start_profiler): Don't call pushdecl
	until we've actually started the function.
	* stmt.c (free_stmt_status): Make decl parameter implicit.
	* toplev.c (rest_of_compilation): Don't pass decl to
	* varasm.c (free_varasm_status): Likewise.

Thu Sep  9 17:23:19 1999  Bernd Schmidt  <>

	* except.c (call_get_eh_context): Add root when allocating static
	tree variable.

Thu Sep  9 15:24:59 BST 1999  Richard Earnshaw <>

	* arm.c: Include "ggc.h".
	(arm_add_gc_roots): New function.
	(arm_override_options): Call it.
	(aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.

	* (define_asm_attributes): Add a pool_range attribute.

Thu Sep  9 12:32:57 BST 1999  Nathan Sidwell  <>

	* extend.texi (Volatiles): New node.

Thu Sep  9 03:37:31 1999  Richard Henderson  <>

	* ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
	(struct ggc_any): Replace `mark' with `magic_mark'.
	(ggc_alloc_string): Use memcpy, not bcopy.
	(ggc_alloc_any): Set magic_mark.  Update bytes_alloced_since_gc.
	(ggc_free_{rtx,rtvec,tree,string}): Mark inline.
	(ggc_free_any): New.
	(ggc_mark_string): Use IGNORE_MARK.  Calc back to struct gcc_string.
	(ggc_mark): Use IGNORE_MARK.  Abort if magic doesn't match.
	(ggc_collect): Re-enable collection avoidance.  Use GGC_ANY_MARK.
	Use IS_MARKED. Use ggc_free_any.

1999-09-09  Scott Bambrough <>

	* config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C

Thu Sep  9 01:55:21 1999  Richard Henderson  <>

	* toplev.c (main): Always init_ggc.

Wed Sep  8 23:53:22 1999  Richard Henderson  <>

	* except.c (find_all_handler_type_matches): Free the list if
	we found no matches.

	* combine.c (SUBST): Break out to a real function do_SUBST.
	(SUBST_INT): Likewise.
	* gcse.c (free_pre_mem): Free `temp_bitmap'.
	(pre_insert): Free `inserted'.
	* loop.c (basic_induction_var): Always set `location'.

	* function.c (expand_function_end): Add initial_trampoline as a root.
	* rtl.h (init_varasm_once): Declare.
	* toplev.c (compile_file): Call it.
	* ggc-simple.c (ggc_mark_string_ptr): New.
	(ggc_add_string_root): New.
	(ggc_collect): Disable collection avoidance temporarily.
	* ggc.h (ggc_add_string_root): Declare.
	* except.c (create_rethrow_ref): Use ggc_alloc_string.
	* optabs.c (init_libfuncs): Likewise.
	* varasm.c (named_section): Use ggc_alloc_string.
	(make_function_rtl): Likewise.
	(make_decl_rtl): Likewise.
	(assemble_static_space): Likewise.
	(assemble_trampoline_template): Likewise.
	(output_constant_def): Likewise.
	(force_const_mem): Likewise.
	(mark_const_hash_entry): New.
	(mark_pool_sym_hash_table): New.
	(mark_varasm_state): Use it.
	(init_varasm_once): New.

	* expr.h (init_one_libfunc): Declare.
	* optabs.c (init_one_libfunc): New.
	(init_optabs): Use it.
	* config/gofast.h: Likewise.
	* config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
	* config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.

Thu Sep  9 13:46:06 1999  Geoffrey Keating  <>

	* (cppexp.o): Depend on cpphash.h.
	* cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
	Include cpphash.h.
	* cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
	* cpplib.c (do_define): Generalize to handle poisoned definitions,
	redefining poisoned identifiers, etc.
	(do_undef): Don't allow poisoned identifiers to be undefined.
	(do_pragma): Add #pragma poison.
	(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

	* cccp.c: Add T_POISON node type.
	(special_symbol): Handle `defined(xxx)' and plain `xxx' for
	poisoned xxx.
	(do_define): Generalize to handle poisoned definitions,
	redefining poisoned identifiers, etc.
	(do_undef): Don't allow poisoned identifiers to be undefined.
	(do_pragma): Add #pragma poison.
	(do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

	* c-pragma.c (handle_pragma_token): Ignore #pragma poison.
	* c-pragma.h: Add ps_poison state.  We now always have generic

Wed Sep  8 20:30:42 1999  Mark Mitchell  <>

	* ggc.h (ggc_alloc): New function.
	(ggc_mark): Likewise.
	* ggc-simple.c (ggc_any): New structure.
	(ggc_status): Add anys.
	(n_anys_collected): New variable.
	(ggc_alloc): Define.
	(ggc_mark): Likewise.
	(ggc_collect): Collect the anys.

Wed Sep  8 20:15:14 1999  Kaveh R. Ghazi  <>

	* c-decl.c (mark_binding_level): Make static to match prototype.

Wed Sep  8 16:41:27 1999  Richard Henderson  <>

	* flow.c (new_insn_dead_notes): Don't early out for preexisting regs.

Wed Sep  8 16:07:52 1999  Richard Henderson  <>

	* gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
	will use into account.  Expand the max width to 5.
	* rtl.c: Likewise.

Wed Sep  8 16:01:14 1999  Richard Henderson  <>

	* ggc-simple.c (ggc_free_rtx): Poison the correct amount
	for the rtx length.

Wed Sep  8 15:23:54 1999  Richard Henderson  <>

	* (call value patterns): Remove the result predicates.

Wed Sep  8 13:35:38 1999  Richard Henderson  <>

	* (stmp-fixinc): Remove extraneous exit 1 from
	last change.

Wed Sep  8 15:32:16 1999  Kaveh R. Ghazi  <>

	* system.h (sbrk, malloc, calloc, realloc): Backup prototypes
	changed from extern char *, to extern PTR.  Also fix typo in

	* mips-tdump.c (malloc, calloc, realloc): Don't prototype.

Wed Sep  8 11:40:47 1999  Kaveh R. Ghazi  <>

	* gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,

	* c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.

	* cccp.c (pcfinclude): Likewise.

	* global.c (allocno_compare): Likewise.

	* haifa-sched.c (rank_for_schedule): Likewise.

	* local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.

	* reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.

	* stupid.c (stupid_reg_compare): Likewise.

	* tree.c (_obstack_allocated_p): Likewise.

	* varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.

1999-09-08  Bruce Korb

	* Give the hapless gperf user a hint about
	why "gperf -F" fails.

Wed Sep  8 04:43:22 1999  Richard Henderson  <>

	* lists.c: Include ggc.h.
	(zap_lists): New.
	(init_EXPR_INSN_LIST_cache): Install it.

	* ggc-simple.c (init_ggc): Absorb the old init.
	(ggc_push_context): Use xcalloc.
	(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
	(ggc_collect): Add [rvts] tags to the collection stats.

Wed Sep  8 11:14:25 1999  Andreas Schwab  <>

	* cccp.c (main): Fix handling of -include and -imacros options.

Wed Sep  8 02:23:08 1999  Jeffrey A Law  (

	* cpplib.c (cpp_push_buffer): Fix order of arguments.

Wed Sep  8 04:44:09 1999  Alexandre Oliva  <>

	* rtl.h (obstack_alloc_rtx): Removed, it's now static in

Wed Sep  8 00:33:43 1999  Alasdair Baird  <>

	* flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
	* haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
	and SET_DEST. Update comment.

Wed Sep  8 18:55:17 1999  Michael Hayes  <>

	* config/c4x/c4x.c: Include ggc.h.
	(c4x_add_gc_roots): New function.
	(c4x_override_options): Call c4x_add_gc_roots.

Wed Sep  8 00:00:16 1999  Richard Henderson  <>

	* defaults.h (TARGET_ESC): Move ...
	* system.h: ... here, where Linas had it in the first place.  Silly me.

Tue Sep  7 23:46:35 1999  Linas Vepstas  <>

	* c-common.c: Use ISGRAPH, ISLOWER, toupper.
	* c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
	genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
	* system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
	* defaults.h (TARGET_ESC): Add default.

Tue Sep  7 23:36:59 1999  Linas Vepstas  <>

	* add i370-*-openedition, i370-*-mvs and
	i370-*-linux targets

Tue Sep  7 23:31:53 1999  Mark Mitchell  <>

	* dsp16xxx.c: Include ggc.h
	(override_options): Mark GC roots.
	* mn10200.c: Include ggc.h.
	(asm_file_start): Mark GC roots.
	* tahoe.c: Include ggc.h.
	(extensible_operand): Mark GC roots.

Tue Sep  7 23:23:15 1999  Linas Vepstas  <>

	* README: Add section discussing status of ELF ABI.
	* i370.c: Fix misc spelling mistakes.
	(i370_label_scan): Updated notes, exception handling.
	(i370_function_prolog): Simplify ELF stack handling.
	* i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
	(STACK_GROWS_DOWNWARD): ELF stack grows down.
	(ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
	* (movdi): Add notes.
	(floatsidf2): Use stack not rtca for scratch float area.
	(iorsi3): Correct operand constraints.
	* x-oe: Restore TAROUTOPTS which are used by pax.

Tue Sep  7 22:39:18 1999  Mark Mitchell  <>

	* rs6000.c: Include ggc.h.
	(rs6000_add_gc_roots): New function.
	(override_options): Call it.

Tue Sep  7 22:09:03 1999  Richard Henderson  <>

	* alpha.h (alpha_compare): New.
	(alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
	* alpha.c: Likewise for the definitions.
	(alpha_emit_conditional_branch): Update for alpha_compare.
	(alpha_emit_conditional_move): Likewise.
	* (cmpdf, cmpdi): Likewise.
	(setcc patterns): Likewise.  Zero alpha_compare after use.
	(sne): Optimize (x != 0) into (0U < x).

Tue Sep  7 21:55:02 1999  Richard Henderson  <>

	* alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
	(struct machine_function): Declare; add eh_epilogue_sp_ofs.
	* alpha.c: Include ggc.h.
	(alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
	(alpha_init_machine_status, alpha_mark_machine_status): New.
	(override_options): Install them.
	(struct machine_function): Moved to alpha.h.
	(alpha_save_machine_status, alpha_restore_machine_status): Remove.
	(alpha_init_expanders): Remove.
	(alpha_return_addr): Adjust to use current_function->machine.
	(alpha_ra_ever_killed): Likewise.
	(alpha_expand_epilogue): Likewise.
	* (eh_epilogue): Likewise.

Wed Sep  8 14:34:42 1999  Ian Piumarta  <>
			  Melissa O'Neill  <>
			  Geoffrey Keating  <>

	* config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
	call-used registers (call-saved registers must still be contiguous
	and end with r31, of course).

Tue Sep  7 21:41:38 1999  Richard Henderson  <>

	* c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
	(self_promoting_type_p): Delete.
	(self_promoting_args_p): Move ...
	* c-common.c: ... here.
	(c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
	(simple_type_promotes_to): New.
	* builtins.c (lang_type_promotes_to): New.
	(expand_builtin_va_arg): Use it to give diagnostic for illegal types.
	* c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
	* c-common.h: ... here.
	(self_promoting_args_p, simple_type_promotes_to): Declare.
	* c-decl.c (duplicate_decls): Use simple_type_promotes_to.
	(grokdeclarator): Likewise.
	* tree.h (lang_type_promotes_to): Declare.

Tue Sep  7 17:15:21 1999  Mark Mitchell  <>

	Add some machine-dependent GC roots.
	* sparc.c: Include ggc.h.
	(sparc_add_gc_roots): New function.
	(mark_ultrasparc_pipeline_state): Likewise.
	(override_options): Call sparc_add_gc_roots.
	* pa.c: Include ggc.h.
	(pa_add_gc_roots): New function.
	(mark_deferred_plabels): Likewise.
	(override_options): Call pa_add_gc_roots.
	* mips.c: Include ggc.h.
	(mips_add_gc_roots): New function.
	(override_options): Use it.

Tue Sep  7 11:39:41 1999  Kaveh R. Ghazi  <>

	* cpperror.c (cpp_file_line_for_message): Constify a char*.

	* cppexp.c (parse_number, parse_charconst, cpp_lex,
	cpp_parse_expr): Add static prototypes.
	(parse_charconst): Don't cast away const-ness.
	(token): Constify a char*.

	* cppfiles.c (file_name_list, include_hash, find_include_file,
	finclude, initialize_input_buffer): Constify a char*.
	(file_cleanup, find_position): Add static prototypes.

	* cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
	collect_expansion): Add static prototypes.
	(cpp_install, create_definition, monthnames): Constify a char*.

	* cpphash.h (cpp_install): Likewise.

	* cppinit.c (known_suffixes, default_include,
	dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
	(base_name, dump_special_to_buffer, initialize_dependency_output):
	Add static prototypes.

	* cpplib.c (my_strerror): Constify a char*.
	(null_underflow, null_cleanup, skip_comment, copy_comment,
	copy_rest_of_line, handle_directive, pass_thru_directive,
	get_directive_token, read_line_number, cpp_print_file_and_line,
	v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
	v_cpp_warning_with_line, detect_if_not_defined,
	consider_directive_while_skipping): Add static prototypes.
	(pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
	cpp_pedwarn_with_file_and_line): Constify a char*.

	* cpplib.h (cpp_options, include_hash, progname, definition,
	cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
	check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
	find_include_file, deps_output, include_hash): Constify a char*.

	* cppmain.c (progname): Constify.
	(main): Add prototype.  Use return, not exit.

	* fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
	recognized_macro, check_macro_names, read_scan_file, write_rbrac,
	inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
	check_protection): Add static prototype.
	(xfree): Remove.
	(progname, recognized_macrom, recognized_extern): Constify a char*.
	(main): Add prototype.

	* gen-protos.c (progname): Constify a char*.

Tue Sep  7 00:47:52 1999  Mark Mitchell  <>

	* emit-rtl.c (free_emit_status): Take decl as a parameter.
	(init_emit_once): Add more GC roots.
	* except.c (mark_func_eh_entry): New function.
	(mark_eh_node): Mark false_label and rethrow_label.
	(init_eh): Add more GC roots.
	* function.c (free_after_compilation): Take decl as a parameter.
	Call free_stmt_status.
	(mark_function_state): Don't assume x_parm_reg_stack_loc is
	* function.h (free_after_compilation): Change prototype.
	(free_varasm_status): Likewise.
	(free_emit_status): Likewise.
	(free_stmt_status): New function.
	* ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
	Remove, replacing with ...
	(ggc_status): New structure.
	(ggc_chain): New variable.
	(init_gcc): Define.
	(ggc_push_context): New function.
	(ggc_pop_context): Likewise.
	(ggc_alloc_rtx): Adjust for use of ggc_chain.
	(ggc_alloc_rtvec): Likewise.
	(ggc_alloc_tree): Likewise.
	(ggc_alloc_string): Likewise.
	(ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
	(ggc_mark_tree): Give language-dependent code a chance to mark
	`x' nodes.
	(ggc_mark_tree_varray): Handle empty arrays.
	(ggc_collect): Adjust for use of ggc_chain.  Clear
	* ggc.h (ggc_pop_context): New function.
	(ggc_push_context): Likewise.
	* print-tree.c (print_node): Don't print obstacks when GC'ing.
	* stmt.c (free_stmt_status): New function.
	(init_stmt_for_function): Clear last_expr_value.
	* toplev.c (rest_of_compilation): Always call free_after_compilation.
	Conditionalize call to ggc_collect.
	(main): Call init_ggc.
	* tree.c (push_obstacks): Do the push, even when GC'ing.
	(push_obstacks_nochange): Likewise.
	(pop_obstacks): Liekwise.
	* varasm.c (free_varasm_status): Take decl as a parameter.

Tue Sep  7 08:15:49 1999  Gavin Romig-Koch  <>

	* config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
	(MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
	* config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
	* config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.

Tue Sep  7 03:42:45 1999  Mark Klein (

	* pa/x-pa-mpeix: New file for the MPE port.

	* pa/quadlib.asm: New file for long double support.

	* Add hppa1.0-*-mpeix for MPE port.
	* configure: Rebuilt.

Tue Sep  7 10:08:40 1999  Andreas Schwab  <>

	* final.c (shorten_branches): Fix last change.

Tue Sep  7 00:30:32 1999  Jeffrey A Law  (

	* pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.

Mon Sep  6 22:44:47 1999  Jeffrey A Law  (

	* Merge from gcc2 snapshot Jan 9, 1999.  See FSFChangeLog for

Mon Sep  6 22:31:28 1999  Kaveh R. Ghazi  <>

	* c-aux-info.c (concat): Don't define.

	* cccp.c (my_strerror): Likewise.  All callers changed to use
	xstrerror instead.
	(do_include): Call xstrdup, not xmalloc/strcpy.
	(grow_outbuf): Don't check if xrealloc returns NULL, it can't.
	(xmalloc, xrealloc, xcalloc, xstrdup): Don't define.

	* collect2.c (my_strsignal): Likewise.  All callers changed to use
	strsignal instead.
	(locatelib): Call xstrdup, not xmalloc/strcpy.

	* 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.

	* dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.

	* i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.

	* mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.

	* cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.

	* dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...

	* except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
	(find_all_handler_type_matches): Likewise.  Don't check return
	(get_new_handler, init_insn_eh_region, process_nestinfo): Call
	xmalloc, not malloc.
	(init_eh_nesting_info): Likewise.  Call xcalloc, not xmalloc/bzero.

	* gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
	(init_spec): Call xcalloc, not xmalloc/bzero.
	(set_spec): Call xstrdup, not save_string.
	(record_temp_file): Call xstrdup, not xmalloc/strcpy.
	(find_a_file): Call xstrdup, not xmalloc/strcpy.
	(process_command): Call xstrdup, not save_string.
	(main): Call xcalloc, not xmalloc/bzero.

	* gcov.c (xmalloc): Don't define.
	(create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
	(scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
	(output_data): Call xcalloc, not xmalloc/bzero.

	* haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.

	* mips-tdump.c (xmalloc): Don't define.
	(print_symbol): Call xmalloc, not malloc.
	(read_tfile): Call xcalloc, not calloc.

	* mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
	Don't define.  All callers of xfree/my_strsignal changed to use
	free/strsignal instead.
	(allocate_cluster): Call xcalloc, not calloc.

	* objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
	Fix memory leak, free allocated memory.

	* prefix.c (translate_name): Call xstrdup, not save_string.
	(update_path): Likewise.

	* profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.

	* protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
	Don't define.  Callers of xfree/savestring2 changed to use
	free/concat instead.

	* reload1.c (reload): Call xcalloc, not xmalloc/bzero.
	(init_elim_table): Likewise.

	* resource.c (init_resource_info): Likewise.

	* stupid.c (stupid_life_analysis): Likewise.

	* toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
	(open_dump_file): Call concat, not xmalloc/strcpy/...
	(clean_dump_file): Likewise.
	(compile_file): Call xstrdup, not xmalloc/strcpy.

Mon Sep  6 15:04:55 1999  Richard Henderson  <>

	* v850.h (EXPAND_BUILTIN_VA_ARG): New.
	* v850.c (v850_va_arg): New.

Tue Sep  7 09:36:01 1999  Michael Hayes  <>

	* haifa-sched.c: Tidy comments.

Mon Sep  6 14:30:13 1999  Bernd Schmidt  <>

	* (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
	(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
	$(out_object_file)): Depend on ggc.h.
	* c-common.c: Include "ggc.h".
	(combine_strings): If doing GC, use ggc_alloc_string.
	* c-decl.c: Include "ggc.h".
	(ggc_p): Define with value 0.
	(mark_binding_level): New function.
	(init_decl_processing): Add GC roots.
	(mark_c_function_context): New function.
	(lang_mark_false_label_stack): New function.
	(lang_mark_tree): New function.
	(lang_cleanup_tree): New function.
	* c-lang.c: Include "ggc.h".
	(lang_init): Call c_parse_init.
	* c-lex.c: Include "ggc.h".
	(check_linenum): If doing GC, don't copy filenames to permanent
	* Include "ggc.h".
	(c_parse_init): New function.
	* c-tree.h (c_parse_init, mark_c_function_context): Declare.
	* objc/ (objc-parse.o): Depend on ggc.h.

	* except.c (mark_eh_state): Mark more state.
	* function.c (mark_function_state): Likewise.
	* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
	(ggc_alloc_string) [GGC_DUMP]: Fix typo.
	* toplev.c (mark_file_stack): New function.
	(compile_file): If doing GC, use ggc_alloc_string on input filename.
	(main): Add root for input_file_stack.

	* i386.c: Include "ggc.h".
	(ix86_mark_machine_status): New function.
	(override_options): Set mark_machine_status.

Mon Sep  6 15:26:23 1999  Bernd Schmidt  <>

	* tree.c (copy_node): Copy node contents also if doing GC.

Mon Sep  6 08:42:06 1999  Alexandre Oliva  <>

	* collect2.c (scan_libraries): Fix double-thinko :-).

Mon Sep  6 02:42:36 1999  Jeffrey A Law  (

	* collect2.c (scan_libraries): Fix thinko.

	* cse.c (delete_trivially_dead_insns): Do not skip the last
	insn if it is a real insn.

Sun Sep  5 18:57:42 1999  Mark Mitchell  <>

	* (ggc-simple.o): Depend on hash.h.
	* ggc.h (ggc_add_tree_hash_table_root): Declare.
	(ggc_mark_tree_varray): Likewise.
	(ggc_mark_tree_hash_table): Likewise.
	* ggc-simple.c: Include hash.h.
	(ggc_mark_tree_hash_table_ptr): New function.
	(ggc_mark_tree_hash_table_entry): Likewise.
	(ggc_mark_tree_hash_table): Likewise.
	(ggc_add_tree_hash_table_root): Likewise.
	* varray.h (const_equiv_data): Use struct rtx_def *, rather than
	rtx, when defining fields.

Sun Sep  5 18:57:42 1999  Bernd Schmidt <>

	* profile.c (output_func_start_profiler): Remove apparently
	nonsensical call to start_sequence.

Sun Sep  5 17:34:33 1999  Richard Henderson  <>

	* clipper/clipper.c (clipper_va_start): Fix typos.

	* pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
	* spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
	(spur_va_arg): New stub.

	* Comment out pyramid.

Sun Sep  5 19:11:01 1999  Michael Meissner  <>

	* i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
	don't conflict with the bits that win32, cygwin, and dgux

Sun Sep  5 09:31:56 1999  Richard Henderson  <>
			  Bernd Schmidt <>

	* integrate.c (function_cannot_inline_p): Do not inline
	functions with forced labels.

Sun Sep  5 00:35:17 1999  Richard Henderson  <>
			  Bernd Schmidt <>
			  Mark Mitchell  <>

	* (ggc-simple.o): Depend on varray.h.
	(rtl.o): Depend on ggc.h.
	(genattrtab.o): Depend on ggc.h.
	(print-tree.o): Likewise.
	(fold-const.o): Likewise.
	* emit-rtl.c (sequence_element_free_list): Remove, and all references.
	(make_insn_raw): Don't cache insns when GC'ing.
	(emit_insn_before): Likewise.
	(emit_insn_after): Likewise.
	(emit_insn): Likewise.
	(start_sequence): Use xmalloc to allocate the sequence_stack.
	(end_sequence): Add free to free it.
	(gen_sequence): Don't cache insns when GC'ing.
	(clear_emit_caches): Don't use sequence_element_free_list.
	(init_emit): Use xcalloc, not xmalloc+bzero.
	* fold-const.c (size_int_wide): Kill the cache, when GC'ing.
	* function.c (pop_function_context_from): Use free to free the
	(put_reg_into_stack): Allocate it with xmalloc.
	* genattrtab.c: Include ggc.h.
	(operate_exp): Don't use obstack_free when GC'ing.
	(simplify_cond): Likewise.
	(simplify_text_exp): Likewise.
	(optimize_attrs): Likewise.
	* gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
	(gencode): Generate a #include for ggc.h.
	* ggc-callbacks.c (ggc_p): Define it to zero.
	* ggc-none.c (ggc_p): Likewise.
	* ggc-simple.c: Include varray.h.
	(ggc_mark_tree_varray): New function.
	(ggc_add_tree_varray_root): Likewise.
	(ggc_mark_tree_varray_ptr): Likewise.
	* ggc.h (ggc_p): Declare.
	(varray_head_tag): Likewise.
	(ggc_add_tree_varray_root): Declare.
	* print-tree.c (print_node): Don't check for TREE_PERMANENT
	inconsistencies when GC'ing.
	* rtl.c: Include ggc.h.
	(rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
	(rtx_alloc): Use ggc_alloc_rtx when GC'ing.
	(rtx_free): Don't call obstack_free when GC'ing.
	* toplev.c (rest_of_compilation): Call ggc_collect after every
	pass, if GC'ing.
	* tree.c (push_obstacks): Do nothing, if GC'ing.
	(pop_obstacks_nochange): Likewise.
	(pop_obstacks): Likewise.
	(make_node): Use ggc_alloc_tree when GC'ing.
	(copy_node): Likewise.
	(get_identifier): Use ggc_alloc_string when GC'ing.
	(build_string): Likewise.
	(make_tree_vec): Use ggc_alloc_tree when GC'ing.
	(tree_cons): Likewise.
	(build1): Likewise.
	(type_hash_canon): Don't call obstack_free when GC'ing.

Sat Sep  4 21:52:32 1999  Richard Henderson  <>

	* haifa-sched.c (schedule_block): Use next_nonnote_insn instead
	of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.

Sat Sep  4 20:40:19 1999  Richard Henderson  <>
			  Bernd Schmidt <>
			  Mark Mitchell  <>

	* (stor-layout.o): Depend on ggc.h.
	(expr.o): Depend on ggc.h.
	(profile.o): Depend on ggc.h.
	(stor-layout.o): Depend on ggc.h.
	* emit-rtl.c (init_emit_once): Add gc roots.
	* expr.c: Include ggc.h.
	(emit_block_move): Add gc roots.
	(clear_storage): Likewise.
	* expr.h (init_stor_layout_once): New function.
	* profile.c: Include ggc.h.
	(init_arc_profiler): profiler_label is a root.
	* scan.c (make_sstring_space): Trust xrealloc to function
	correctly with first parameter NULL.
	* stor-layout.c: Include ggc.h.
	(set_sizetype): Add gc root.
	(init_stor_layout_once): New function.
	* toplev.c (compile_file): Call it.

Sat Sep  4 19:26:25 1999  Richard Henderson  <>
			  Bernd Schmidt <>
			  Mark Mitchell  <>

	* (tree.o): Depend on ggc.h.
	(varasm.o): Likewise.
	(function.o): Likewise.
	(stmt.o): Likewise.
	(except.o): Likewise.
	(optabs.o): Likewise.
	(emit-rtl.o): Likewise.
	* emit-rtl.c: Include ggc.h.
	(sequence_element_free_list): Remove, and all references.
	(mark_sequence): New functions.
	(mark_emit_state): New function.
	* except.c: Include ggc.h.
	(mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
	(mark_tree_label_node): New functions.
	(mark_eh_state): New function.
	* function.c: Include ggc.h.
	(mark_temp_slot, mark_function_chain): New functions.
	(mark_function_state): New function.
	(init_function_once): New function.
	* function.h (init_function_once): New function.
	* ggc-callbacks.c (lang_mark_false_label_stack): New function.
	* ggc.h (label_node): Declare.
	(eh_status, emit_status, stmt_status, varasm_status): Likewise.
	(lang_mark_false_label_stack): New function.
	(mark_temp_slot): Remove declaration.
	(mark_function_chain): Likewise.
	(mark_eh_state): Adjust prototype.
	(mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
	* optabs.c: Include ggc.h.
	(mark_optab): New function.
	(init_optabs): Add gc roots.
	* stmt.c: Include ggc.h.
	(mark_cond_nesting, mark_loop_nesting): New functions.
	(mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
	(mark_stmt_state): New function.
	* toplev.c (compile_file): Call init_function_once.
	* tree.c: Include ggc.h.
	(type_hash): Move declaration earlier in file.
	(TYPE_HASH_SIZE, type_hash_table): Likewise.
	(init_obstacks): Add gc roots.
	(mark_type_hash): New function.
	* varasm.c: Include ggc.h.
	(mark_pool_constant): New function.
	(mark_varasm_state): New function.

Sat Sep  4 22:28:56 1999  Kaveh R. Ghazi  <>

	* ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.

Sat Sep  4 18:01:45 1999  Bernd Schmidt <>

	* c-decl.c (struct language_function): Renamed from struct c_function.
	Delete elt NEXT.
	(c_function_chain): Delete.
	(push_c_function_context): New arg F.  Don't warn about nested
	functions here.  Fill LANGUAGE elt of F.  Delete code to update
	c_function_chain.  Don't call push_function_context.
	(pop_c_function_context): New arg F.  Restore from there instead of
	from c_function_chain.  Don't call pop_function_context.  Clear out
	LANGUAGE field of F when done.
	* c-lang.c: Include "function.h"
	(lang_init): Initialize save_lang_status and restore_lang_status.
	* (nested_function, nested_function_notype): Warn about
	nested functions.  Call push_function_context/pop_function_context
	instead of the _c_ variants.
	* c-tree.h (push_c_function_context, pop_c_function_context): Update
	* (c-lang.o): Update dependencies.

	* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
	regno_pointer_flag, regno_pointer_align.
	(gen_reg_rtx): Use xrealloc to enlarge them.
	(free_emit_status): New function.
	* function.c (mark_machine_status, mark_lang_status): New variables.
	(assign_stack_local_1): Renamed from assign_outer_stack_local.  Merge
	in some bits from assign_stack_local.  All callers changed to use new
	(assign_stack_local): Just call assign_stack_local_1.
	(free_after_compilation): New function.
	(put_reg_into_stack): Simplify to always call assign_stack_local_1.
	(trampoline_address): Likewise.
	(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
	(prepare_function_start): Explicitly clear some more variables.
	* function.h (struct function): New elt can_garbage_collect.
	(mark_machine_status, mark_lang_status): Declare variables.
	(free_after_compilation, free_emit_status, free_varasm_status,
	init_varasm_status): Declare functions.
	* toplev.c (rest_of_compilation): Call free_after_compilation when
	done with the current function.
	* varasm.c (free_varasm_status): New function.

Sat Sep  4 17:15:13 1999  Richard Henderson  <>

	* sparc.h (EXPAND_BUILTIN_VA_START): Define.
	* sparc.c (sparc_va_start): New.
	(sparc_va_arg): New.

Sun Sep  5 11:11:59 1999  Michael Hayes  <>

	* config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.

Sun Sep  5 10:13:19 1999  Michael Hayes  <>

	* config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.

Sat Sep  4 13:44:01 1999  Mark Mitchell  <>

	* (C_AND_C_OBJS): Add gcc-callbacks.o.
	(OBJS): Add $(GGC).
	(ggc-callbacks.o): New target.
	* ggc-callbacks.c: New file.

Sat Sep  4 22:53:13 1999  Bernd Schmidt  <>

	* expr.h: Collapse individual optab and libfunc vars to arrays.
	(optab_index, libfunc_index): New enumerations.
	(optab_table, libfunc_table): New arrays.
	Add accessor macros for both.

	* optabs.c (optab_table, libfunc_table): New.
	Delete declarations for individual optab and libfunc vars.

Sat Sep  4 12:57:17 1999  Richard Henderson  <>

	* i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.

Sat Sep  4 11:19:52 1999  Richard Henderson  <>

	* (GGC, GGC_LIB): New.
	(HOST_RTL): Include ggc-none.o.
	(ggc-simple.o): New target.
	(ggc-none.o): Likewise.
	* tree.h (tree_common): Add gc_mark.
	* rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
	(struct rtvec_def): Add gc_mark.
	* emit-rtl.c (global_rtl): Update static initializers to contain
	enough initializers.
	* ggc.h, ggc-none.c, ggc-simple.c: New files.
	* toplev.c (gc_time): New variable.
	(all_time): New variable.
	(compile_file): Print gc time.
	(print_time): Calculate percentage of the whole.

Sat Sep  4 13:11:01 1999  Bernd Schmidt  <>

	Change obstack memory management and varasm constant pool handling so
	that nested functions are treated like any other functions.
	* function.c (init_machine_status): New variable.
	(push_function_context_to): Set contains_functions for the outer
	function.  Don't call save_varasm_status.
	(pop_function_context_from): Don't call restore_varasm_status.  Don't
	set current_function_contains_functions.
	(prepare_function_start): Call init_varasm_status rather than
	init_const_rtx_hash_table.  Call (*init_machine_status) if the pointer
	is non-null.
	* function.h (struct function) Add field varasm.  Delete fields
	inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
	last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
	(init_machine_status): Declare.
	(save_varasm_status, restore_varasm_status): Delete declarations.
	(save_tree_status, restore_tree_status): Delete last argument.
	* integrate.c (initialize_for_inline): Lose arg COPY.  Delete copying
	code.  All callers changed.
	(copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
	save_constants_in_decl_trees, restore_constants, save_constants,
	save_for_inline_eh_labelmap, save_for_inline_copying): Delete
	(inlining): New variable.
	(reg_map, label_map, insn_map, orig_asm_operands_vector,
	copy_asm_operands_vector, copy_asm_constraints_vector): Delete
	(save_for_inline_nocopy): Don't save constants.
	Don't set inl_emit field in current_function.
	(expand_inline_function): Use emit field, not inl_emit, of the inlined
	function.  Set new variable inlining before
	calling copy_rtx_and_substitute.
	(copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
	constant pool references if inlining is nonzero.
	Delete ADDRESS and (most of the) CONST cases.
	(output_inline_function): Save and restore current_function/
	current_function_decl.  Delete restore_constants code.  Don't call
	* output.h (init_const_rtx_hash_table): Don't declare.
	* rtl.h (struct function): Declare.
	(get_pool_constant_for_function, get_pool_mode_for_function): Declare.
	* toplev.c (rest_of_compilation): Don't treat nested functions or
	functions containing them specially.  Delete all code to deal with
	* tree.c (toplev_inline_obstacks, extra_inline_obstacks,
	inline_obstacks): Delete variables.
	(save_tree_status): Lose arg CONTEXT.  All callers changed.
	Simply allocate a new function_maybepermanent_obstack for the new
	function, delete all the special cases.
	Don't save inline_obstacks.
	(restore_tree_status): Lose arg CONTEXT.  All callers changed.
	Delete special handling for function_maybepermanent_obstack; simply
	free it if empty.
	Don't restore inline_obstacks.
	(permanent_allocation):  Delete code that frees inline_obstacks.
	(print_inline_obstack_statistics): Delete function.
	(dump_tree_statistics): Don't call it.
	* varasm.c (struct varasm_status): New.
	(const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
	last_pool, pool_offset, const_double_chain): Delete global
	variables, replace with accessor macros.
	(immed_double_const): Don't walk const_double_chain outside a
	function, but don't treat nested functions specially anymore.
	(immed_real_const_1): Likewise.
	(clear_const_double_mem): Don't treat nested functions specially.
	(init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
	(save_varasm_status, restore_varasm_status): Delete functions.
	(init_varasm_status): New function.
	(force_const_mem): Don't treat nested functions specially.
	(find_pool_constant): Accept new arg F, search for constants in
	that function's pool rather than the current one.  All callers
	(get_pool_constant_for_function, get_pool_mode_for_function): New

	* i386.c (init_386_machine_status): New function, mostly from
	(struct machine_functions): Rename element names to avoid name
	(pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
	macros, replacing global variables.
	(clear_386_stack_locals, save_386_machine_status,
	restore_386_machine_status): Delete functions.
	(override_options): Initialize init_machine_status.
	* i386.h (INIT_EXPANDERS): Delete macro.
	(save_386_machine_status, restore_386_machine_status,
	clear_386_stack_locals): Delete declarations.

Sat Sep  4 16:56:28 1999  Michael Hayes  <>

	* config/c4x/ (rptb_init): Renamed from *rptb_init.
	(doloop_begin):  Simplify pattern and use emit_jump_insn.
	(doloop_end): Simplify pattern, switch operand order,
	and use emit_jump_insn.

Fri Sep  3 19:02:38 1999  Bernd Schmidt <>

	* function.h (struct function): Add new element LANGUAGE.
	(save_lang_status): Declare new variable.
	(restore_lang_status): Likewise.
	* function.c (save_lang_status): Define.
	(restore_lang_status): Likewise.
	(push_function_context_to): Call language-specific save function.
	(pop_function_context_from): Call language-specific restore function.

Fri Sep  3 01:16:18 1999  Alasdair Baird  <>

	* (movsf_1): Check REG_P before use of REGNO.
	(movdf_1): Likewise.
	(movxf_1): Likewise.
	(extendsfdf2): Likewise.
	(extendsfxf2): Likewise.
	(extenddfxf2): Likewise.

Sat Sep  4 11:37:15 1999  Michael Hayes  <>

	* config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
	constants into memory.
	(c4x_shiftable_constant): New function.
	* config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
	(c4x_shiftable_constant): Declare.
	* config/c4x/ (loadqi_big_constant, loadhi_big_constant,
	ashlqi3_noclobber): Add new patterns and associated splitters.

Fri Sep  3 16:22:17 1999  Richard Henderson  <>

	* dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
	* dwarf2out.c (dwarf2out_frame_init): Likewise.
	* final.c (shorten_branches): Likewise.
	* global.c (global_alloc): Likewise.
	* haifa-sched.c (build_control_flow): Likewise.
	* stmt.c (check_for_full_enumeration_handling): Likewise.
	(estimate_case_costs): Likewise.

Fri Sep  3 15:49:56 1999  Mark Mitchell  <>

	* rtl.h (RTL_CHECKC2): Fix typo in last change.

Fri Sep  3 15:13:34 1999  Richard Henderson  <>

	* flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
	(recompute_reg_usage): Likewise.
	* rtlanal.c (find_regno_fusage): Likewise.

	* rtl.c (rtl_check_failed_code1): New function.
	(rtl_check_failed_code2): New.
	* rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
	(XC*): New accessor macros.
	(TRAP_*, RANGE_INFO_*): Likewise.

Fri Sep  3 15:10:20 1999  Kaveh R. Ghazi  <>

	* (tlink.o): Don't depend on toplev.h.

	* collect2.c (c_file, o_file, export_file, import_file, ldout,
	output_file, nm_file_name, ldd_file_name, strip_file_name,
	c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
	add_prefix, prefix_from_env, prefix_from_string, do_wait,
	fork_execute, maybe_unlink, add_to_list,
	extract_init_priority, write_list, dump_list,
	dump_prefix_list, write_list_with_asm, write_c_file,
	write_c_file_stat, write_c_file_glob, scan_prog_file,
	scan_libraries, is_in_list, resolve_lib_name, use_import_list,
	ignore_library, extract_string, notice, dump_file, target_machine,
	collect_wait, collect_execute, libname, locatelib, aix_std_libs,
	read_file, print_load_command): Constify a char*.
	(fdopen, error, fatal, fatal_perror): Don't prototype.
	(my_strerror): Remove.  All callers use xstrerror instead.
	(xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
	(main): Add prototype.  Constify lots of char* ptrs.  Change calls
	to xcalloc/strcpy/strcat/...  to one call to concat.
	(main, scan_prog_file, scan_libraries): Use an intermediate
	`const char **' to build an argv array.
	(mapfile, libselect, libcompare, locatelib): Add prototypes.

	* collect2.h (collect_execute, collect_wait, dump_file,
	file_exists): Constify a char*.
	(ldout, c_file_name, temporary_obstack, permanent_obstack,
	temporary_firstobj, vflag, debug): Add extern declarations.
	(fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.

	* tlink.c: Don't include toplev.h.
	(vflag, debug, ldout, c_file_name, temporary_obstack,
	permanent_obstack, temporary_firstobj): Don't declare.
	(tlink_execute, frob_extension, symbol_hash_lookup,
	file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
	recompile_files, read_repo_files, demangle_new_symbols,
	scan_linker_output): Constify a char*.
	(symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
	do_tlink): Mark parameters with ATTRIBUTE_UNUSED.

Fri Sep  3 18:09:24 1999  Andrew Haley  <>

	* config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
	(relative) rather than jsr (absolute) subroutine call insns.
	* config/m68k/m68k-coff.h: Ditto.

Fri Sep  3 17:24:31 1999  Richard Earnshaw <>

	* arm.c (note_invalid_constants): No need to ignore ASMs, we can
	now rework these too.
	(arm_reorg): If an insn can't reach the end of the current pool,
	ensure that we emit that pool before the insn.

Fri Sep  3 09:14:32 1999  Marc Espie <>

	* tlink.c (scan_linker_output): Skip the initial underscore in
	a mangled name if appropriate.

Fri Sep  3 01:28:33 1999  Kaveh R. Ghazi  <>

	* objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
	objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
	error_with_ivar, gen_declarator, create_builtin_decl,
	my_build_string, generate_descriptor_table, generate_ivars_list,
	generate_dispatch_table, check_protocols, TAG_GETCLASS,
	dump_base_name, lang_decode_option, build_encode_expr,
	start_class, finish_class, encode_pointer, really_start_method,
	gen_declaration, dump_interface, handle_class_ref, handle_impent):
	(objc_demangle, objc_printable_name, generate_struct_by_value_array):
	Add static prototypes.
	(build_objc_string_decl, build_selector_reference_decl,
	encode_bitfield, build_class_reference_decl): Remove unused
	parameter, all callers changed.
	(maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
	(objc_printable_name): Likewise.  Change second parameter to type int.
	(init_objc): Use memcpy, not bcopy, to avoid casts.

Thu Sep  2 21:49:52 1999  Richard Henderson  <>

	* reload1.c (eliminate_regs_in_insn): Avoid eliminating the
	reg notes on a deleted insn.
	* gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.

Thu Sep  2 20:18:12 1999  Jeffrey A Law  (

	* i386.c (ix86_attr_length_default): Handle TYPE_FXCH.

Thu Sep  2 22:00:08 1999  J"orn Rennecke <>

	* stmt.c (expand_asm_operands): Fix index into inout_mode when
	reading it.

Thu Sep  2 13:00:48 1999  Richard Henderson  <>

	* stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
	* tm.texi (MD_ASM_CLOBBERS): Document it.

Thu Sep  2 10:22:40 1999  Richard Henderson  <>

	* dwarf2out.c (dwarf2out_line): Constify `lastfile'.
	* except.c (expand_rethrow): Remove unused variable.
	* expr.c (do_jump_by_parts_greater_rtx): Likewise.
	* flow.c (replace_insns): Likewise.
	(create_edge_list, verify_edge_list): Likewise.
	* gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.

	* genemit.c (gen_expand): Only emit `operands[N]' decl if there
	is special code to run.
	(main): Don't define operands to emit_operand.
	* genrecog.c (main): Don't emit an empty peephole2_insn function.


	* alpha/alpha.h (normal_memory_operand): Declare.
	(reg_no_subreg_operand): Declare.

Thu Sep  2 10:19:20 1999  Richard Henderson  <>

	* (compstmt_primary_start): New, broken out of first
	part of compstmt handling in primary.
	(primary): Use it.  Add an error clause.
	(compstmt_nostart): Renamed from compstmt; remove all
	initial invocations of compstmt_start.
	(compstmt): New.

Thu Sep  2 01:35:50 1999  Marc Espie <>

	* protoize.c (gen_aux_info_file):  Let pexecute call choose_temp_base if

Thu Sep  2 00:43:59 1999  Finn Hakansson  <>

	* combine.c (simplify_shift_const): Remove extra semicolon.
	* dwarf2out.c (remove_AT): Likewise.
	* expmed.c (expand_mult): Likewise.
	* gcov.c (create_program_flow_graph): Likewise.
	* reorg.c (mostly_true_jump): Likewise.

Thu Sep  2 00:06:43 1999  Jeffrey A Law  (

	* fold-const.c (fold_range_test): Do not try to fold the range
	test if the rhs or lhs has side effects.

	* combine.c (simplify_rtx): Recognize another case of a synthesized
	sign extension.

	* varasm.c (mark_constant_pool): When marking indirect references,
	only look at SYMBOL_REFs.

	* except.c (expand_fixup_region_end): Do not peek at
	INSN_UID (node->entry->outer_context) for flag_new_exceptions.

Thu Sep  2 13:52:53 1999  Geoffrey Keating  <>

	* flags.h: New variables align_loops, align_loops_log,
	align_jumps, align_jumps_log, align_labels, align_labels_log,
	align_functions, align_functions_log.
	* toplev.c: Define them.
	(f_options): Handle -falign-* when they have no argument.
	(main): Add logic to set variables for -falign-functions,
	-falign-jumps, -falign-labels, -falign-loops.
	Make it -fsched-verbose=<n> and -finline-limit=<n>.
	(display_help): Change help to match options.
	* final.c (LABEL_ALIGN): Default to align_labels_log.
	(LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
	(LOOP_ALIGN): Default to align_loops_log.
	(LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
	(LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
	(LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
	* varasm.c (assemble_start_function): Handle align_functions.

	* config/sparc/sparc.h: Don't declare sparc_align_*.
	(DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
	(FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
	it's a promise.
	* config/sparc/sparc.c: Delete sparc_align_loops,
	sparc_align_jumps, sparc_align_funcs and the corresponding string
	(sparc_override_options): Default align_functions on ultrasparc.
	Delete -malign-* handling.

	* config/mips/mips.c (override_options):  On 64-bit targets,
	try to align code to 64-bit boundaries.
	(print_operand): New substitution, %~,
	which aligns labels to align_labels_log.
	* config/mips/ (div_trap_normal): Use %~.
	(div_trap_mips16): Likewise.
	(abssi): Likewise.
	(absdi2): Likewise.
	(ffssi2): Likewise.
	(ffsdi2): Likewise.
	(ashldi3_internal): Likewise.
	(ashrdi3_internal): Likewise.
	(lshrdi3_internal): Likewise.
	(casesi_internal): Likewise.

Wed Sep  1 21:13:48 1999  Richard Henderson  <>

	Merge new ia32 backend from the branch!

	* i386.h, i386.c,, reg-stack.c, i386/unix.h: Many changes.
	See ChangeLog.P2 on new_ia32_branch for details.

	* rtl.h (stack_regs_mentioned_p): Delete prototype.
	* i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
	* i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
	* i386/gas.h (ASM_FILE_START): Define.
	* i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
	for name change of ix86_valid_decl_attribute_p.
	(i386_pe_valid_type_attribute_p): Similarly.

Wed Sep  1 18:21:23 1999  Richard Henderson  <>

	* emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
	to step through CC modes.

Wed Sep  1 20:18:06 1999  J"orn Rennecke <>

	* regmove.c (fixup_match_1): Don't move INSN in front of P if
	it would end up in the shadow of a live flags regsiter.

Wed Sep  1 11:32:00 1999  Bernd Schmidt  <>

	* reload1.c: Fix many indentation problems.
	* reload.c: Likewise.

Tue Aug 31 22:08:03 1999  Marc Espie <>

	* alias.c (non_local_reference_p): Constify fmt.

Tue Aug 31 23:19:35 1999  Michael Meissner  <>

	* config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.

Tue Aug 31 16:44:52 1999  Jeffrey A Law  (

	* cse.c (delete_trivially_dead_insns): Do not delete stores to
	the internal_arg_pointer.

Tue Aug 31 13:35:42 1999  Richard Henderson  <>

	Merge peephole2 from new_ia32_branch:
	* (STAGESTUFF): Add *.peephole2.
	(mostlyclean): Likewise.
	(recog.o): Depend on resource.h.

	* final.c (peephole): Conditionalize decl on HAVE_peephole.
	(final_scan_insn): Likewise for the invocation of peephole.
	* genconfig.c (main): Look for peephole and peephole2 patterns.
	Emit HAVE_peephole* accordingly.
	* genpeep.c (main): Conditionalize entire output on HAVE_peephole.
	* flags.h (flag_peephole2): Declare.
	* toplev.c: New pass peephole2.  New flag -fpeephole2.

	* genattrtab.c (main): Count DEFINE_PEEPHOLE2.
	* gencodes.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genemit.c (max_operand_1): Look for the max scratch operand.
	(gen_rtx_scratch): New.
	(gen_exp): Use it, and pass on new arg subroutine_type.
	(gen_expand): Take max scratch into account.
	(gen_split): Emit peephole2 functions.
	(output_peephole2_scratch): New.
	(main): Include hard-reg-set.h and resource.h.  Handle peephole2.
	* genrecog.c (routine_type): Add PEEPHOLE2.
	(IS_SPLIT): New.
	(make_insn_sequence): Match outer parallel for peep2.  Discard
	top level scratches and dups.
	(add_to_sequence): New args insn_type and top.  Update all callers.
	Handle toplevel peep2 matching insns.
	(write_subroutine): Handle peep2.
	(write_tree_1): Likewise.
	(write_tree): Likewise.
	(main): Likewise.
	(change_state): New arg afterward.  Update all callers.
	Handle matching separate insns.
	* recog.c (recog_next_insn): New.
	(peephole2_optimize): New.
	* rtl.def (DEFINE_PEEPHOLE2): New.
	* resource.c (find_free_register): New argument last_insn.  Use it
	to find a register available through the entire span.
	* resource.h (find_free_register): Update prototype.

Tue Aug 31 11:51:06 1999  Jim Kingdon  <>

	* i386.c (output_strlen_unroll): Don't write xops[7]
	label if it wasn't set.

1999-08-31 12:44 -0700  Zack Weinberg  <>

	* cpplib.c (struct directive): Const-ify name pointer and
	function pointer prototype.
	(validate_else, do_define, do_line, do_include, do_undef,
	do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
	do_elif, do_endif, do_sccs, do_assert, do_unassert,
	do_warning): Const-ify second arg.
	(directive_table): Mark const.  Reorder entries by frequency
	of usage, record statistics.

1999-08-31 12:20 -0700 Zack Weinberg <>

	* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
	bounds- check RTL accesses if --enable-checking.
	(RTVEC_ELT): Bounds check if --enable-checking.
	XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
	(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
	X0BBDEF, X0ADVFLAGS):  New macros for accessing '0' slots of RTXes.

	Use X0EXP.
	* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
	* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
	(rtl_check_failed_bounds, rtl_check_failed_type1,
	rtl_check_failed_type2, rtvec_check_failed_bounds): New
	(fancy_abort): Fix comment.

	* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
	(cse_insn): Decrement LABEL_NUSES for jump target before
	deleting jump insn.
	* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
	* final.c (alter_subreg): Compute regno before changing x to
	REG; set REGNO(x) after changing it.
	* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
	notes containing CONST_INTs.
	(delete_eh_regions): Use NOTE_EH_HANDLER.
	* function.c (put_reg_into_stack): Make reg a MEM before
	initializing it.
	(fixup_var_refs_insns):  Save REG_NOTES (insn) in case we
	delete insn.
	(gen_mem_addressof): Make reg a MEM before initializing it.
	* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
	* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
	deleting an insn, not after.
	(block_alloc): Only look at PATTERN(insn) if we have to, and
	only if it's format class 'i'.
	* loop.c (check_dbra_loop): Check bl->biv->add_val is a
	CONST_INT before using its INTVAL.
	* print-rtl.c (print_rtx): Use X0STR.
	* regmove.c (fixup_match_1): Don't look at PATTERN of
	non-class-'i' insn chain elements.
	* reload.c (loc_mentioned_in_p): Take address of
	in->fld[1].rtx directly.
	* reload1.c (reload): Change reg to a MEM before initializing
	* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
	have no names.
	* config/i386/ (decrement_and_branch_if_zero): Fix typo.

Fri Aug 20 13:43:41 1999  Andrew Haley  <>

	* config/mips/mips.c (machine_dependent_reorg): Force a
	barrier to output the local constant pool if a barrier hasn't
	been found at a natural point in the instruction stream.

Mon Aug 30 22:04:36 1999  Kaveh R. Ghazi  <>

	* (language_string): Constify.

	* dwarf2out.c (language_string): Remove declaration.

	* dwarfout.c (language_string): Likewise.

	* toplev.c (language_string, init_parse, finish_parse): Likewise.

	* tree.h (language_string, init_parse, finish_parse): Declare.

	* i386/sun386.h (language_string): Remove declaration.

	* mips.h (language_string): Likewise.

	* nextstep.h (language_string): Likewise.

	* nextstep21.h (language_string): Likewise.

	* rs6000.c (language_string): Likewise.

Mon Aug 30 20:56:08 1999  Kaveh R. Ghazi  <>

	* (OBJS, PROTO_OBJS): Remove getpwd.o.
	(getpwd.o): Remove target.

	* getpwd.c: Delete file.  Its in libiberty now.

	* dbxout.c (getpwd): Don't prototype.
	* dwarf2out.c (getpwd): Likewise
	* dwarfout.c (getpwd): Likewise
	* final.c (getpwd): Likewise.
	* protoize.c (getpwd): Likewise.

Mon Aug 30 20:21:34 1999  Kaveh R. Ghazi  <>

	* cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.

Mon Aug 30 16:07:49 1999  Richard Henderson  <>

	* flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not

Mon Aug 30 12:23:53 1999  Jim Wilson  <>

	* fixinc/ (subdir): New.
	(fixincl.x,, Use cp instead of $(CP).
	(Makefile): New.

Mon Aug 30 01:02:09 1999  Jeffrey A Law  (

	* emit-rtl.c (copy_rtx_if_shared): A MEM which references
	virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
	be shared.

	* invoke.texi: Fix typo.

	* dwarf2out.c (mem_loc_descriptor): New argument MODE.  All callers
	changed.  Handle autoincrement addressing modes.

	* integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
	just like we would the virtual incoming args register when

Sun Aug 29 23:17:54 1999  David Edelsohn  <>

	* rs6000.h (ASM_FILE_START): Specify complete filename, including
	path, in .file directive.

Sun Aug 29 05:06:43 1999  Russ Allbery  <>

	* gcc.texi (External Bugs): Remove obsolete note about Perl on

1999-08-29 08:38 -0700  Zack Weinberg  <>

	* stdbool.h: Make the typedef name _Bool, with bool a #defined

Sun Aug 29 09:36:50 1999  Kaveh R. Ghazi  <>

	* tree.c (tree_code_name): Constify a char*.

	* tree.h (tree_code_name, decl_printable_name): Likewise.

	* function.h (struct function): Likewise.

	* toplev.c (decl_name, decl_printable_name): Likewise.

	* vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.

	* objc/objc-act.c (decl_printable_name): Remove redundant prototype.
	(init_objc): Remove function pointer cast.

Sun Aug 29 05:01:17 1999  John David Anglin <>

	* (interspace_jump): New pattern.
	(builtin_longjmp): New expander.

1999-08-29  Bernd Schmidt  <>

	* fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
	_gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
	sf_to_df, df_to_sf): Fix potential problem with alias analysis.

Sun Aug 29 04:30:52 1999  John Wehle  (

	* jump.c (delete_prior_computation): Also check calls
	to constant functions.  Don't bother checking for a
	REG_UNUSED note before adding it.
	(delete_computation): Handle multi-word hard registers
	when synthesizing missing REG_DEAD notes for a register
	which is both set and used by an insn.

1999-08-29  Michael Hayes  <>

	* loop.c (this_loop_info): New variable.
	(loop_has_call, loop_has_volatile, loop_has_tablejump,
	loop_continue, loops_enclosed): Replace with fields in this_loop_info.
	All uses updated.
	(prescan_loop, strength_reduce): New argument loop_info.  All callers
	(scan_loop): New variable loop_info, initialize to address of
	(prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
	Delete variable loop_has_multiple_exit targets and replace with
	field in this_loop_info.
	(find_and_verify_loops): Rename this_loop to this_loop_num.
	(strength_reduce): Delete loop_iteration_info.  Replace variable
	loop_info with function argument of same name.
	(insert_bct): Rework test for loop being completely unrolled.

	* loop.h (struct loop_info): New fields num, loops_enclosed,
	has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
	has_indirect_jump, and cont.  Redefine use of unroll_number.
	(loop_unroll_number): Delete.

	* unroll.c (unroll_loop): Store loop unroll count in unroll_number
	field of loop_info.
	(loop_iterations): Delete variable vtop and instead use
	loop_info->vtop computed in prescan_loop.

Sun Aug 29 03:27:23 1999  Scott Weikart <>

	* fix-header.c (main): Do not pass a null pointer to strcmp.

Sun Aug 29 03:18:48 1999  William Bader  (

	* (i[34567]86-*-sco3.2v4*): Target does not truncate
	* configure: Rebuilt.

Sat Aug 28 19:36:05 1999  Jeffrey A Law  (

	* jump.c (jump_optimize_1): Do not delete assignments to
	* cse.c (delete_trivially_dead_insns): Always consider a set of
	the internal_arg_pointer live.

Sat Aug 28 16:24:31 1999  Richard Henderson  <>

	* flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
	(update_life_info) [REG_WAS_0]: Search the original insns rather
	than the new insns for the note.  Fix typos finding note_dest.
	If no dest found, discard the note rather than abort.
	(replace_insns): Remove the old insn list after update_life_info
	not before.

Sat Aug 28 16:20:12 1999  Richard Henderson  <>

	* haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
	(sched_analyze_1): Let add_dependence care for not adding dups.
	(sched_analyze_2): Likewise.
	(add_branch_dependences): Likewise.

Sat Aug 28 15:58:16 1999  Mumit Khan  <>

	* i386/winnt.c (export_list): New type.
	(exports_head): Rename to
	(export_head):  this.
	(i386_pe_record_exported_symbol): Add is_data flag.
	(i386_pe_asm_file_end): Emit directive for exported variables.
	* i386/cygwin.h (i386_pe_record_exported_symbol): Update
	* i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
	* i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.

Fri Aug 27 15:35:24 1999  Jeffrey A Law  (

	* cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.

	* pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an

Fri Aug 27 14:01:19 1999  Marc Espie <>

	* config/openbsd.h: Define SET_ASM_OP.
	* tm.texi: cross-reference SET_ASM_OP in the index.

1999-08-27 13:27 -0700  Zack Weinberg  <>

	* rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
	for a CONST_DOUBLE, at compile time.  Initialize rtx_length
	and class_narrowest_mode at compile time.  Kill init_rtl.
	Mark rtx_length, mode_class, mode_size, mode_unit_size,
	mode_wider_mode, mode_mask_array, class_narrowest_mode, and
	rtx_format as const.  Kill all references to EXTRA_CC_MODES or
	* rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
	* rtl.h: Declare rtx_length and rtx_format as const.
	* machmode.def: Define CC().  Use CC() to define CCmode.  If
	EXTRA_CC_MODES is defined, expand it here.
	* machmode.h: Declare mode_class, mode_size, mode_unit_size,
	mode_wider_mode, mode_mask_array, and class_narrowest_mode as
	const.  Kill all references to EXTRA_CC_MODES.

	* toplev.c: Don't prototype or call init_rtl.
	* optabs.c: Don't call init_mov_optab.
	* genemit.c: Don't generate init_mov_optab.  Don't call
	* gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
	* genattr.c, genattrtab.c, gencodes.c, genconfig.c,
	genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
	genrecog.c: Don't call init_rtl.

	* arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
	rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES.  Use CC() in
	definition of EXTRA_CC_MODES.

	* md.texi: Kill ref to EXTRA_CC_NAMES.
	* tm.texi: Document new way to define EXTRA_CC_MODES.

	* genrecog.c: Do not look up the name of a define_split.
	(Unrelated bugfix.)

Fri Aug 27 17:03:42 1999  Nick Clifton  <>

	* config/v850/ Fix typo introduced by previous delta.

Fri Aug 27 09:48:59 1999  Kaveh R. Ghazi  <>

	* gcc.c (fatal): Make definition static to match prototype.

Fri Aug 27 10:33:35 1999  Bernd Schmidt  <>

	* combine.c (get_last_value): Don't look for earlier sets if the last
	known set is somewhere in between the insns being combined.

Fri Aug 27 10:03:12 BST 1999  Nathan Sidwell  <>

	* Don't use shell ! to negate exit codes
	* configure: Regenerate

Fri Aug 27 09:36:17 1999  Andreas Schwab  <>

	* function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
	the fact that ALIGN is measured in bits, not bytes.

1999-08-27 00:27 -0700  Zack Weinberg  <>

	* errors.c: New file; defines functions error, warning, and
	fatal, variables have_error and progname.
	* errors.h: New file; prototypes and decls for stuff in errors.c.

	* Makefile: Add rules to build errors.o and
	$(HOST_PREFIX)errors.o.  Link genconfig, gencodes, genemit,
	genopinit, genrecog, genextract, genpeep, genattr, and
	genoutput with errors.o.  Add errors.h to deps of genconfig.o,
	gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
	genpeep.o, genattr.o, and genoutput.o.

	* genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
	genextract.c, genpeep.c, genattr.c:  Include errors.h.  Don't
	define or prototype fatal.  Set progname at beginning of main.
	* genoutput.c:  Likewise, and don't define or prototype error

	* c-typeck.c (c_expand_start_case): Return immediately if exp
	is an ERROR_MARK.
	* fold-const.c (operand_equal_p): Return immediately if arg1
	or arg0 are ERROR_MARKs.
	* stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
	fields of type ERROR_MARK when calculating if the record can
	go in a register.

Fri Aug 27 01:03:48 1999  Jim Kingdon  <>
	with much help from Jeffrey A Law and Richard Henderson

	* In the 6 insns which call output_fix_trunc,
	earlyclobber operands[0].

Fri Aug 27 01:01:51 1999  Philip Blundell  <>

	* jump.c (duplicate_loop_exit_test): Call reg_scan_update after
	creating new registers.

1999-08-26 23:09 -0700  Zack Weinberg  <>

	* i386.h: Declare ix86_cpu_string, ix86_arch_string,
	i386_reg_alloc_order, i386_regparm_string,
	i386_align_loops_string, i386_align_jumps_string,
	i386_align_funcs_string, i386_preferred_stack_boundary_string,
	and i386_branch_cost_string as type "const char *".
	* i386.c: Define all above strings as type "const char *".

Thu Aug 26 20:36:30 1999  Jim Wilson  <>

	* dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
	when emitting alignment padding.  Emit padding byte of 0 instead of 4.

Thu Aug 26 18:11:20 1999  Mark Mitchell  <>

	* tree.c (array_type_nelts): Don't create RTL_EXPRs from
	SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.

Thu Aug 26 19:33:23 1999  Jim Wilson  <>

	* dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
	(debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
	(dwarf2out_line, dwarf2out_finish): Likewise.
	* tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documentation.

Thu Aug 26 16:10:56 1999  Gavin Romig-Koch  <>

	* tree.c (lang_unsave_expr_now) : Correct return type.
	* tree.h (lang_unsave_expr_now) : Same.

Thu Aug 26 13:12:29 1999  Jeffrey A Law  (

	* pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
	instead of duplicating code.

Thu Aug 26 18:32:32 1999  Bernd Schmidt  <>

	* gcse.c (hash_scan_insn): Don't scan obvious no-ops.

1999-08-26 09:42 -0700  Zack Weinberg  <>

	* tree.h: fancy_abort always takes three args.
	* resource.c: Move include of system.h before toplev.h.

Thu Aug 26 09:46:16 1999  Nick Clifton  <>

	* dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well

1999-08-25 22:10 -0700  Zack Weinberg  <>

	* system.h: Don't redefine abort or trim_filename.
	* rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
	or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
	whether or not __FUNCTION__ is available.
	* tree.h: Duplicate rtl.h's definition of abort, for files
	that don't include rtl.h.  Delete all code to perform type
	checking with a compiler other than GCC.
	* varray.h: Delete all code to perform type checking with a
	compiler other than GCC.  Make VARRAY_CHECK() always evaluate
	its arguments exactly once, using a statement expression.
	Adjust the VARRAY_<type> accessor macros to match.
	* toplev.h (fatal_insn, fatal_insn_not_found): Kill.
	(_fatal_insn, _fatal_insn_not_found): New fns, take info on
	caller's location.  Define fatal_insn and fatal_insn_not_found
	as macros that use _fatal_insn and _fatal_insn_not_found.
	(fancy_abort, trim_filename): Kill prototypes.

	* rtl.c (trim_filename): Move here from toplev.c.
	(fancy_abort): New function.
	(DIR_SEPARATOR): Provide default definition.
	* tree.c (tree_check_failed, tree_class_check_failed): Go
	through fancy_abort.
	(tree_check, tree_class_check, cst_or_constructor_check,
	expr_check): Delete.
	* varray.c (varray_check_failed): New function.
	* toplev.c (fatal_insn, fatal_insn_not_found): Replace with
	_fatal_insn and _fatal_insn_not_found.  Go through
	(trim_filename, fancy_abort): Delete.

	* builtins.c (expand_builtin_args_info): Report ICE with abort.
	* except.c (start_catch_handler): Report ICE with error/abort
	* final.c (output_operand_lossage): Likewise.
	* flow.c (verify_flow_info): Likewise.

	* gcc.c: Prototype fatal.
	* gengenrtl.c: Undef abort after including rtl.h not system.h.
	* genattr.c, genattrtab.c, genemit.c, genextract.c,
	genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
	Don't define fancy_abort.

Wed Aug 25 17:56:59 1999  Richard Henderson  <>

	* optabs.c (emit_cmp_and_jump_insns): Be more thorough in

Wed Aug 25 15:35:55 1999  Richard Henderson  <>

	* m88k.h (VERSION_INFO2): Kill.
	(TM_RCS_ID): Kill.
	* m88k/dgux.h (VERSION_INFO2): Kill.
	(ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
	* m88k/luna.h (VERSION_INFO1): Tidy.
	* m88k/sysv4.h (VERSION_INFO1): Likewise.
	* m88k.c (out_rcs_id, tm_rcs_id): Kill.
	(output_file_start): Adjust for death of VERSION_STRING.

1999-08-25 13:51 -0700  Jim Meyering  <>

	* cpplib.c (detect_if_not_defined): New function.
	(do_if): Use it to detect potential once-only headers.

Wed Aug 25 14:00:18 1999  Jason Merrill  <>

	* c-common.c (combine_strings): Always set TREE_CONSTANT.

Wed Aug 25 15:27:22 1999  Gavin Romig-Koch  <>

	* combine.c (nonzero_bits) : Allow single-ly set registers to be
	anywere in the function only if they are pseudos and set before
	being used (not live at the start of the function).
	(num_sign_bit_copies) : Same.
	(get_last_value_validate) : Same.
	(get_last_value) : Same.

Wed Aug 25 11:13:29 1999  Richard Henderson  <>

	* loop.c (express_from): Try harder to unify (* c N) and (* c M)
	where N and M are constant and N is an integer multiple of M.

Wed Aug 25 13:55:47 EDT 1999  Andrew MacLeod  <>

	* sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
	(sbitmap_intersection_of_preds, sbitmap_union_of_succs,
	sbitmap_union_of_preds): Add prototypes.
	* sbitmap.c (sbitmap_intersection_of_succs): New function to compute
	the intersection of successors with the new flow graph structures.
	(sbitmap_intersection_of_preds): New function to compute the
	intersection of predecessors with the new flow graph structures.
	(sbitmap_union_of_succs): New function to compute the union of
	successors with the new flow graph structures.
	(sbitmap_union_of_preds): New function to compute the union of
	predecessors with the new flow graph structures.
	* gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
	(expr_reaches_here_p): Use edge and basic_block structures instead
	of s_preds and s_succs.
	(compute_cprop_avinout): Use new sbitmap routines.
	(pre_expr_reaches_here_p): Use edge and basic_block structures instead
	of s_preds and s_succs.
	* flow.c (compute_flow_dominators): Compute dominators using
	edges and basic blocks instead of s_preds and s_succs.

Wed Aug 25 13:41:47 EDT 1999  Andrew MacLeod  <>

	* lists.c (unused_insn_list, unused_expr_list): New file for
	maintaining various types of lists. New statics for maintaining a
	cache of available INSN_LIST and EXPR_LIST nodes.
	(free_list): Static function for freeing a list of INSN/EXPR nodes.
	(alloc_INSN_LIST): Function to get a free INSN_LIST node.
	(alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
	(init_EXPR_INSN_LIST_cache): Initialize the cache lists.
	(free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
	(free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
	(free_EXPR_LIST_node): Free an individual EXPR_LIST node.
	(free_INSN_LIST_node): Free an individual INSN_LIST node.
	* haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
	(free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
	(remove_dependence, free_pending_lists): Use new global routines.
	(flush_pending_lists, sched_analyze_insn): Use new global routines.
	(sched_analyze, compute_block_backward_dependences): Use new routines.
	(sched_analyze_1, sched_analyze_2): Use new routines.
	(schedule_insns): Use new global routines.
	* rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
	(free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
	(free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
	* toplev.c (rest_of_compilation): Initialize node cache.
	* (OBJS): Add lists.o to list of object files.
	(lists.o): Add dependencies.

Wed Aug 25 17:31:56 1999  Nick Clifton  <>

	* config/v850/ Fix compile time warning messages.
	* config/v850/v850.c: Fix compile time warning messages.
	* config/v850/v850.h: Fix compile time warning messages.

Wed Aug 25 09:44:43 1999  Kaveh R. Ghazi  <>

	* genattr.c (gen_attr): Add prototype arguments for get_attr_*().
	Remove unused prototype for `init_lengths'.

Wed Aug 25 09:32:31 1999  Kaveh R. Ghazi  <>

	* calls.c (emit_call_1): Mark parameter `stack_size' with
	(expand_call): Initialize variable `insn'.
	(emit_library_call): Likewise for variable `high_to_save'.
	(emit_library_call_value): Likewise.
	(store_one_arg): Likewise for variables `lower_bound' and

	* combine.c (try_combine): Likewise for variables `i2_code_number'
	and `other_code_number'.
	(find_split_point): Likewise for variables `pos', `unsignedp' and
	(simplify_if_then_else): Likewise for variables `op' and `c1'.
	(simplify_and_const_int): Remove unused variable `width'.
	(merge_outer_ops): Likewise.

	* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
	HOST_WIDE_INT' when comparing against one.
	(simplify_relational_operation): Likewise.
	(cse_insn): Initialize variables `src_eqv_volatile',
	`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.

	* final.c (init_final): Constify parameter `filename'.
	(final_start_function): Mark parameter `optimize' with
	(profile_function): Likewise for parameters `first' and `optimize'.
	(output_source_line): Likewise for parameter `file'.

	* integrate.c (subst_constants): Cast a value to `size_t' when
	comparing against one.
	(mark_stores): Initialize variable `mode'.  Cast a value to
	`size_t' when comparing against one.

	* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.

	* loop.c (move_movables): Initialize variable `first'.
	(strength_reduce): Likewise for variable `increment'.
	(check_dbra_loop): Likewise for variable `comparison_val'.  Cast a
	value to `size_t' when comparing against one.
	(load_mems): Initialize variable `end_label'.

	* output.h (init_final): Constify parameter.

	* reload.c (decompose): Initialize variable `base'.

	* reload1.c (reload): Likewise for variable `is_scalar'.
	(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
	(choose_reload_regs): Initialize variable `mode'.
	(emit_reload_insns): Likewise for variable `store_insn'.
	(reload_cse_noop_set_p): Mark parameter `insn' with
	(reload_combine): Initialize variable `set'.

	* unroll.c (unroll_loop): Likewise for variable `local_label'.
	(copy_loop_body): Cast a value to `size_t' when comparing against

	* varasm.c (assemble_variable): Initialize variable `size_tree'.
	(const_hash): Add an `else abort()' in an if-else-if-else sequence.
	(remove_from_pending_weak_list): Mark parameter `name' with

Wed Aug 25 11:18:39 1999  Bernd Schmidt  <>

	* toplev.c (rest_of_compilation): Use decl_printable_name when opening
	gcse dump file.

Wed Aug 25 10:57:12 1999  Nick Clifton  <>

	* config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
	not already defined.

Wed Aug 25 01:36:11 1999  John David Anglin  <>

	* calls.c (emit_call_1): Use call_pop/call_value_pop for all values
	of n_popped when call/call_value are not defined.

Wed Aug 25 01:25:14 1999  Jeffrey A Law  (

	* tm.texi: GNU CC -> GCC conversion.
	(CC1_SPEC): Indicate it is used for all language front ends.

Tue Aug 24 23:43:03 1999  Mark Mitchell  <>

	* flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and

Tue Aug 24 23:26:44 1999  Michael Tiemann  <>
			  Jeff Law <>

	* loop.c (strength_reduce): Automatically unroll loops if the
	unrolled loop size is smaller than the rolled loop size.

	* loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
	and delete comment that code should be rewritten.

Tue Aug 24 22:56:35 1999  Jeffrey A Law  (

	* haifa-sched.c (find_rgns): Mark a block found during the DFS search
	as reachable.

	* haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.

Tue Aug 24 22:41:06 1999  Mumit Khan  <>

	* fixinc/ Don't fix uwin headers.
	* i386/uwin.h (MD_STARTFILE_PREFIX): Define.
	(LINK_SPEC): Add -u _main when building executables.
	(ASM_DECLARE_FUNCTION): Update from Cygwin.
	(ASM_FILE_END): Use the default for ix86-pe.
	* i386/xm-uwin.h (HAVE_BCOPY): Undefine.

Tue Aug 24 20:49:47 1999  Art Haas  <>

	* final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
	and ASM_CLOSE_PAREN are empty strings.

Wed Aug 25 12:46:22 1999  Fred Fish  <>
			  Geoffrey Keating <>

	(unprotoize.o): Ditto.
	(test-protoize-simple): Don't define STD_PROTO_DIR.
	* protoize.c: Use PARAMS rather than PROTO.  Minor whitespace
	changes to make 'test-protoize-simple' pass.
	(STD_PROTO_DIR): Remove define.
	(STANDARD_EXEC_PREFIX): Supply default define.
	(standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
	(target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
	(target_version): New variable, init to DEFAULT_TARGET_VERSION.
	(GET_ENV_PATH_LIST): New macro.
	(default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
	(do_processing): Initialize default_syscalls_dir using new
	macros.  Use it to initialize syscalls_absolute_filename.

Tue Aug 24 16:58:15 1999  Richard Henderson  <>

	* jump.c (jump_optimize_1): Do cmov opt on any single-set; force
	B into a register before emit_conditional_move.

Tue Aug 24 15:37:03 1999  Richard Henderson  <>

	* fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
	as (+ (+ (* a b) (* d e)) c).  Factor a common power-of-two
	multiplicand out of (+ (* a b) (* c d)).

Tue Aug 24 11:46:10 1999  Bob Manson <>
			  Richard Henderson  <>

	* haifa-sched.c (split_hard_reg_notes): Move to flow.c
	(new_insn_dead_notes): Likewise.
	(update_n_sets): Likewise.
	(update_flow_info): Move to flow.c, renamed to update_life_info;
	extend to handle multiple source insns.
	* flow.c: Include resource.h
	(unlink_insn_chain): New.
	(split_hard_reg_notes): New.
	(maybe_add_dead_note): New.
	(maybe_add_dead_note_use): New.
	(find_insn_with_note): New.
	(new_insn_dead_notes): New.
	(update_n_sets): New.
	(sets_reg_or_subreg_1, sets_reg_or_subreg): New.
	(maybe_remove_dead_notes): New.
	(update_life_info): New.
	(prepend_reg_notes): New.
	(replace_insns): New.
	* output.h (update_life_info): Declare.
	* recog.c (split_block_insns): Use update_life_info.
	* resource.c (find_free_register): Use reg_alloc_order, don't use
	fixed regs, make sure the mode is supported, don't use new regs.
	(reg_dead_p): New.
	* rtl.h (replace_insns): Declare.

Tue Aug 24 13:48:39 1999  Nathan Sidwell  <>

	* expr.c (expand_expr): Cope with COND_EXPRs with one
	non-returning branch.

Mon Aug 23 22:28:16 1999  Mark Mitchell  <>

	* expr.c (store_expr): Always pass down the target, even when not
	doing CSE.

1999-08-24  Nick Clifton  <>

	* Define target_cpu_default for v850 targets.
	* configure: Regenerate

	* config/v850/v850.h (TARGET_CPU_generic): Define.
	(GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
	addresses are 4 byte aligned.

	* config/v850/v850.c (print_operand): Cope with 'R' format DFmode

Tue Aug 24 09:32:07 1999  Kaveh R. Ghazi  <>

	* genattr.c (function_unit_desc): Constify a char*.  Add prototype.
	(main): Add prototypes.

	* genattrtab.c (substitute_address, write_const_num_delay_slots,
	attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
	(write_attr_get): Emit prototypes along with function definition.
	(write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
	(write_complex_function): Emit static prototype along with
	function definition.

	* genemit.c (gen_split): Emit prototypes along with function

	* genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
	Likewise for predicates and `insn_operand_predicate'.
	(process_template): Emit static prototype along with function

	* genrecog.c (make_insn_sequence): Constify a char*.  Add
	prototypes for get_split_*().
	(write_subroutine): Emit prototypes along with function

Tue Aug 24 12:35:20 1999  Bernd Schmidt  <>

	* gcse.c (find_avail_set): Follow chains of register-register copies.
	Use oprs_not_set_p to guarantee that the returned value can be
	(cprop_insn): Don't verify the return value of find_avail_set with

	* gcse.c (cprop_jump): New function, broken out of cprop_insn.
	(cprop_cc0_jump): New function.
	(cprop_insn): Break out new function cprop_jump and use it.
	Also use cprop_cc0_jump for machines with CC0.
	(cprop): Don't crash if cprop_insn turned the insn into a NOTE.

	* tree.h (current_function_calls_setjmp,
	current_function_calls_longjmp): Delete declarations.
	* dsp16xx.c: Include "function.h".
	* elxsi.c: Likewise.
	* gmicro.c: Likewise.
	* h8300.c: Likewise.
	* i370.c: Likewise.
	* m32r.c: Likewise.
	* mn10200.c: Likewise.
	* mn10300.c: Likewise.
	* ns32k.c: Likewise.
	* spur.c: Likewise.
	* v850.c: Likewise.

	* rtl.h (rtx_equal_function_value_matters): Declare.
	* toplev.c (rtx_equal_function_value_matters): Don't declare.
	* cse.c: Likewise.
	* function.c: Likewise.
	* emit-rtl.c: Likewise.

Tue Aug 24 02:47:44 1999  Jeffrey A Law  (

	* expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION

1999-08-24 Herman A.J. ten Brugge <>

	* jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn

Mon Aug 23 23:35:52 1999  Matthias Klose  <>

	* cpp.texi: Add a node documenting macro varargs (copied
	from extend.texi).

1999-08-23 22:23 -0700  Zack Weinberg  <>

	* cppspec.c: Put a null pointer at the end of the new argv.

Mon Aug 23 21:23:24 1999  Jeffrey A Law  (

	* Remove code to select/de-select the haifa
	scheduler.  Every scheduled port gets haifa now.
	* configure: Rebuilt.
	* flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
	* sched.c Deleted.
	* Corresponding changes.

Mon Aug 23 16:04:13 1999  Bernd Schmidt  <>

	* optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
	All callers changed.
	(prepare_float_lib_cmp): Likewise.
	* expr.h (emit_float_lib_cmp): Delete declaration.
	* tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
	* (bcc and scc patterns): Don't handle TFmode comparisons
	(cmptf): Now conditional on TARGET_HARD_QUAD.

Fri Aug 20 17:52:27 1999  Jim Wilson  <>

	* resource.c (mark_target_live_regs): Use

Fri Aug 20 19:07:55 1999  Kaveh R. Ghazi  <>

	* rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.

	* rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.

	* genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.

Fri Aug 20 18:53:43 1999  Kaveh R. Ghazi  <>

	* rtl.h (rtx_format): Constify a char*.

	* rtl.c (rtx_format): Likewise.
	(copy_rtx, copy_most_rtx, read_rtx): Likewise.
	(init_rtl): Use accessor macro, not `rtx_format'.

	* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a

	* caller-save.c (mark_referenced_regs): Likewise.

	* combine.c (subst, make_compound_operation, known_cond,
	gen_rtx_combine, update_table_tick, get_last_value_validate,
	use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.

	* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
	refers_to_p, canon_reg, fold_rtx, cse_process_notes,
	count_reg_usage): Likewise.

	* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):

	* final.c (leaf_renumber_regs_insn): Likewise.

	* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
	dump_edge_info, count_reg_references): Likewise.

	* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
	fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):

	* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
	oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
	add_label_notes): Likewise.

	* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
	clear_struct_flag, count_sub_rtxs, count_alternatives,
	compares_alternatives_p, contained_in_p, walk_attr_value,
	write_expr_attr_cache): Likewise.

	* genconfig.c (walk_insn_part): Likewise.

	* genemit.c (max_operand_1, gen_exp): Likewise.

	* genextract.c (walk_rtx): Likewise.

	* genflags.c (num_operands): Likewise.

	* genoutput.c (scan_operands): Likewise.

	* genpeep.c (match_rtx): Likewise.

	* genrecog.c (add_to_sequence): Likewise.

	* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):

	* integrate.c (save_constants, copy_for_inline,
	copy_rtx_and_substitute, subst_constants, restore_constants):

	* jump.c  (mark_jump_label, invert_exp, redirect_exp,
	rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.

	* local-alloc.c (contains_replace_regs, memref_referenced_p):

	* loop.c (record_excess_regs, rtx_equal_for_loop_p,
	add_label_notes, replace_call_address, count_nonfixed_reads,
	invariant_p, find_single_use_in_loop, find_mem_givs,
	find_life_end, maybe_eliminate_biv_1, update_reg_last_use):

	* print-rtl.c (reg_names, print_rtx): Likewise.

	* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.

	* reg-stack.c (stack_regs_mentioned_p, record_label_references,
	record_reg_life_pat, swap_rtx_condition, goto_block_pat,
	print_blocks): Likewise.

	* regclass.c (fix_register, record_address_regs,
	reg_scan_mark_refs): Likewise.

	* regmove.c (stable_but_for_p): Likewise.

	* reload.c (loc_mentioned_in_p, operands_match_p,
	find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
	copy_replacements, refers_to_regno_for_reload_p,
	refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
	reload_when_needed_name, reg_class_names, debug_reload_to_stream):

	* reload1.c (eliminate_regs, scan_paradoxical_subregs,
	delete_address_reloads_1, count_occurrences,
	reload_cse_mem_conflict_p, reload_combine_note_use,
	add_auto_inc_notes): Likewise.

	* resource.c (mark_referenced_resources, mark_set_resources):

	* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
	reg_mentioned_p, regs_set_between_p, modified_between_p,
	modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
	rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
	may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
	jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.

	* sched.c (sched_analyze_2, attach_deaths): Likewise.

	* stupid.c (stupid_mark_refs): Likewise.

	* unroll.c (remap_split_bivs): Likewise.

	* varasm.c (mark_constants): Likewise.

	* a29k/a29k.c (uses_local_reg_p): Likewise.

	* alpha/alpha.c (summarize_insn): Likewise.

	* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
	eliminate_lr2ip): Likewise.

	* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.

	* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
	reg_mentioned_in_mem): Likewise.

	* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
	symbolic_reference_mentioned_p): Likewise.

	* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.

	* sh/sh.c (regs_used, mark_use): Likewise.

	* vax/vax.c (vax_rtx_cost): Likewise.

Fri Aug 20 18:38:43 1999  Kaveh R. Ghazi  <>

	* machmode.h (mode_name): Constify a char*.

	* rtl.c (mode_name): Likewise.

	* genopinit.c (gen_insn): Use accessor macro, not `mode_name'.

	* optabs.c (init_libfuncs): Constify a char*.

	* print-tree.c (mode_name): Remove redundant declaration.
	(print_node): Use accessor macro, not `mode_name'.

	* reload1.c (dump_needs): Constify a char*.  Use accessor macro,
	not `mode_name'.
	(new_spill_reg): Constify a char*.

	* tree.c (mode_name): Remove redundant declaration.

Fri Aug 20 18:31:26 1999  Kaveh R. Ghazi  <>

	* rtl.c (rtx_name): Constify a char*.

	* rtl.h (rtx_name, fix_sched_param): Likewise.

	* gmicro/gmicro.c (rtx_name): Remove redundant declaration.
	(mypr): Use accessor macro, not `rtx_name'.

	* genemit.c (print_code): Constify a char*.

	* genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.

	* genpeep.c (print_code): Constify a char*.

	* genrecog.c (print_code): Likewise.

	* graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
	end_bb): Add static prototype.
	(draw_edge): Constify a char*.
	(end_bb): Remove unused parameter.

	* haifa-sched.c (fix_sched_param, safe_concat, print_exp
	print_block_visualization): Constify a char*.

Fri Aug 20 15:02:10 1999  Mark Mitchell  <>

	* c-common.c (c_get_alias_set): Update comment.

1999-08-20  Andreas Jaeger  <>

	* linux.h (LIB_SPEC): Added.

Fri Aug 20 22:32:17 1999  Michael Hayes  <>

	* config/c4x/c4x.h (STARTFILE_SPEC): Don't def.

1999-08-19 18:43 -0700  Zack Weinberg  <>

	* tree.c (expr_check): Fix typo in last change.

1999-08-19 14:44 -0700  Zack Weinberg  <>

	* rtl.def (NOTE): Change format to "iuu0n".
	(ADDR_DIFF_VEC): Change format to "eEee0".
	(ADDRESSOF): Change format to "eit".

	* rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
	(RTVEC_ELT): Change to match.
	ifdefed out since 2.6 at least.
	(gen_rtvec_vv): Delete prototype.

	* rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
	not rtunion.
	(copy_most_rtx): Handle 't' format letter.
	* emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
	(gen_rtvec_vv): Delete function.  All callers changed to use
	gen_rtvec_v instead.
	* print-rtl.c (print_rtx): Move special casing of NOTEs to
	the '0' format letter.

	* function.c (gen_mem_addressof): Don't use
	SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
	* integrate.c (copy_rtx_and_substitute): Likewise.
	Copy 't' slots with XTREE.
	(subst_constants): Treat 't' slots like '[swi]' slots.
	* cse.c (canon_hash, exp_equiv_p): Treat 't' slots like	'0' slots.
	* jump.c (rtx_equal_for_thread_p): Likewise.
	* rtlanal.c (rtx_equal_p): Likewise.
	* stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
	only four arguments.
	* gengenrtl.c (type_from_format): Provide correct types for
	'b' and 't' slots.

	If a recent gcc is in use (always in stage2 and beyond), use
	statement expressions, so we don't make a function call unless
	the check fails.  Evaluate arguments exactly once.
	they evaluate their arguments exactly once, irrespective of
	the compiler in use.

	* tree.c [ENABLE_CHECKING]: Define whichever set of functions
	is used by the currently-enabled check macros.  This is:
	(tree_check_failed, tree_class_check_failed): For gcc.
	(tree_check, tree_class_check, cst_or_constructor_check,
	expr_check): For other compilers.

	* gencheck.c: Do not define any *_CHECK1 macros.

Thu Aug 19 14:42:38 1999  Mike Stump <>
			  Mark Mitchell <>

	* c-common.c (c_get_alias_set): Fix support for pointers and

Thu Aug 19 11:51:22 EDT 1999  John Wehle  (

	* alias.c: Include tree.h.
	(nonlocal_reference_p, mark_constant_function): New functions.
	* flow.c (life_analysis): Call mark_constant_function.
	* rtl.h (mark_constant_function): Declare it.

Thu Aug 19 15:02:01 1999  Nick Clifton  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Fix test for
	unrecognizable switches.

Wed Aug 18 23:31:57 1999  J"orn Rennecke <>

	* loop.c (recombine_givs): Set ix field after sorting.
	(recombine_givs): Remove bogus index / giv lockstep looping.

Wed Aug 18 18:20:40 1999  Bernd Schmidt  <>

	* expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
	on CODE.
	(emit_store_flag_force): Use do_compare_rtx_and_jump.
	(do_cmp_and_jump): Formatting fixes.
	* expr.c (do_compare_and_jump): Renamed from compare; changed to call
	do_compare_rtx_and_jump instead of compare_from_rtx.
	(do_compare_rtx_and_jump): New function; mostly copied from
	(do_jump_for_compare): Delete.
	(expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
	(do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
	of compare/do_jump_for_compare pairs.
	(do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
	(do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
	compare_from_rtx/do_jump_for_compare pairs.
	(do_jump_by_parts_equality): Likewise.
	(do_jump_by_parts_equality_rtx): Likewise.
	* expr.h (do_compare_rtx_and_jump): Declare.
	* optabs.c (prepare_cmp_insn): New function, contains most of the code
	that used to be in emit_cmp_insn.
	(cmp_available_p): New function.
	(prepare_operand): New function.
	(emit_cmp_and_jump_insn_1): New function, contains some code that used
	to be in emit_cmp_insn.
	(prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
	parameters to be pointers; don't emit final compare but modify some of
	the values pointed to by the args so the caller can perform the
	correct comparison.
	(expand_binop): Call emit_store_flag_force with signed forms of
	comparison code.
	(expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
	emit_jump_insn pair.
	(emit_cmp_and_jump_insn): Use prepare_cmp_insn and
	emit_cmp_and_jump_insn_1.  Call emit_queue.
	(emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
	* flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
	jump sets cc0 before deleting it.
	* integrate.c (expand_inline_function): Likewise.
	* unroll.c (unroll_loop): Similar changes in several places.
	(copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
	before deleting it.

Wed Aug 18 06:37:44 1999  Bernd Schmidt  <>

	* (insn-recog.o): Update dependencies.
	* genrecog.c (main): Make generated file include "function.h".

Sat Aug 14 00:54:57 1999  Geoffrey Keating  <>

	* cse.c (cse_insn): Call never_reached_warning when a jump is
	changed to be unconditional.
	* flags.h: Declare warn_notreached.
	* flow.c (delete_block): Call never_reached_warning when
	a block is deleted.
	* jump.c (delete_barrier_successors): Call never_reached_warning
	when we delete everything after a BARRIER.
	(never_reached_warning): New function.
	* rtl.h: Declare never_reached_warning.
	* toplev.c (warn_notreached): New variable.
	(lang_independent_options): Set warn_notreached
	when -Wunreachable-code.
	(compile_file): We need line numbers for -Wunreachable-code.

Tue Aug 17 22:06:11 1999  Jan Hubicka  <>

	* haifa-sched.c (insn_unit): Fix typo on out of range test.
	* sched.c (insn_unit): Likewise.

Tue Aug 17 21:57:23 1999  Andreas Schwab  <>

	* combine.c (distribute_notes): Handle REG_EH_RETHROW.

Tue Aug 17 17:39:43 EDT 1999  Andrew MacLeod  <>

	* flow.c (create_edge_list): Use xmalloc, not malloc.

Tue Aug 17 01:40:54 1999  Loren Rittle  <>

	* fixinc/inclhack.def (no_double_slash): Do not trash single-line
	C-style comments.  Do not lose the character before double slash.

Mon Aug 16 18:08:22 EDT 1999  Andrew MacLeod  <>

	* basic-block.h (struct edge_list): Stucture to maintain a vector
	of edges.
	 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
	(create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
	New function prototypes.
	* flow.c (create_edge_list): Function to create an edge list.
	(free_edge_list): Discards memory used by an edge list.
	(print_edge_list): Debug output showing an edge list.
	(verify_edge_list): Internal consistency check for an edge list.
	(find_edge_index): Function to find an edge index for a pred and succ.

Mon Aug 16 11:56:36 1999  Mark Mitchell  <>

	* tree.c (type_hash_add): Use permalloc to allocate nodes in the

Mon Aug 16 17:04:15 1999  Jorn Rennecke <>

	* mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.

Fri Aug 13 15:20:43 1999  Gerald Pfeifer  <>

	* config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

Fri Aug 13 10:21:28 1999  Nick Clifton  <>

	* toplev.c (rest_of_compilation): Allow machine dependent
	reorganization pass to place information into the RTL dump
	file if it so wishes.

Sun Aug 15 12:41:21 1999  Jim Wilson  <>

	* explow.c (hard_function_value): Use VOIDmode instead of
	* stmt.c (expand_return): Likewise.
	* stor-layout.c (get_best_mode): Likewise.

	* genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
	emit call instead of emit_insn call.

Sat Aug 14 15:04:06 1999  Mumit Khan  <>

	* Handle --disable/enable-win32-registry.
	* install.texi: Document --disable/enable-win32-registry.
	* acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
	(WIN32_REGISTRY_KEY): New macro.
	* prefix.c: Use to enable/disable win32-specific code.
	(lookup_key): Use versioned key.
	* configure: Regenerate.
	* Likewise.

Fri Aug 13 17:41:55 1999  Jason Merrill  <>

	* cpplib.c (read_line_number): New fn, split out of...
	(do_line): Here.

Fri Aug 13 14:18:27 1999  Gavin Romig-Koch  <>

	tree.c (lang_unsave_expr_now) : New.
	(unsave_expr_now): Call lang_unsave_expr_now.
	tree.h (lang_unsave_expr_now) : New.

Fri Aug 13 00:49:46 1999  Jason Merrill  <>

	* toplev.c (flag_new_exceptions): On by default.

1999-08-13  Michael Meissner  <>

	* (GCC_FOR_TARGET): Move -B./ after the tooldir -B.

Fri Aug 13 01:29:57 1999  Alexandre Oliva  <>

	* dwarfout.c (fundamental_type_code): Return FT_boolean for
	INTEGER_TYPE with precision==1, it's __java_boolean.

Thu Aug 12 23:51:04 1999  J"orn Rennecke <>

	* global.c (prune_preferences): Move some invariants out of the
	inner loop.

Thu Aug 12 15:30:29 1999  Jesse Perry  (

	* (alpha*-dec-osf*): Add osf5.

Sun Aug  1 22:24:03 1999  Philip Blundell  <>

	* Rework handling of ARM GNU/Linux slightly.
	(arm*-*-linux-gnuoldld): New target.
	* configure: Regenerate.
	* install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
	arm-*-elf.  Mention that arm-*-linux-gnuaout is obsolete.
	* config/arm/linux-oldld.h: New file.
	* config/arm/linux-elf26.h: Don't include linux-elf.h.
	Don't define.
	* config/arm/linux-elf.h (ASM_SPEC): Define.
	for 26-bit APCS and old linker.
	(CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
	(FP_DEFAULT): Define to FP_SOFT3 for all machines.
	* config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
	don't define `arm' or `arm_elf'.
	MULTILIB_DIRNAMES): Define.  Fix typo in comment.

Thu Aug 12 10:14:47 1999  Andreas Schwab  <>

	* rtl.texi: Fix typo.

Wed Aug 11 23:50:57 1999  Jason Merrill  <>

	* invoke.texi (C++ Dialect Options): Add -fms-extensions.

Wed Aug 11 12:59:37 1999  Mark Mitchell  <>

	* extend.texi (C++ Signatures): Remove node.
	* invoke.texi: Remove discussion of -fhandle-signatures,
	signature, sigof, __signature__, and __sigof__.

Wed Aug 11 03:38:25 1999  Jeffrey A Law  (

	* (JAVAGC): Removed.

Wed Aug 11 02:13:26 1999  Mumit Khan  <>

	* i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.

1999-08-11 Mark Elbrecht <>

	* i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.

1999-08-11  Richard Earnshaw (

	* emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
	a register that is already known to be a pointer.

1999-08-11  Bruce Korb  <>

	* fixinc/inclhack.tpl: Only install assert.h conditionally.
	* fixinc/ Regenerated.
	* fixinc/ Regenerated.

Wed Aug 11 00:34:22 1999  Joe Buck  <>

	* invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
	Fix documentation of -ansi flag to describe its C++ behavior.
	Remove bogus reference to GCC 2.9.

Tue Aug 10 17:19:02 1999  Jim Wilson  <>

	* config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
	note if it is non-NULL.

Tue Aug 10 10:47:42 EDT 1999  Andrew MacLeod  <>

	* except.h (eh_nesting_info): Add new structure definition.
	(init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
	(reachable_handlers, update_rethrow_references): Add function
	* rtl.h (struct rtvec_def): Update comments.  REG_EH_RETHROW takes
	a rethrow symbol instead of an integer exception region number.
	* flow.c (Make_edges): Use new exception nesting routines to determine
	which handlers are reachable from a CALL or asynchronous insn.
	Don't add an edge for calls with a REG_EH_REGION of -1 to non-local
	goto receivers.
	(delete_eh_regions): Update rethrow labels, and don't delete
	regions which are the target of a rethrow.
	* except.c (struct func_eh_entry): Add rethrow_ref field, now we can
	avoid overloading the SYMBOL_REF_USED flag.
	(rethrow_symbol_map): Use new rethrow_ref field.
	(rethrow_used): Use new rethrow_ref field.
	(expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
	of an integer.  Fix formatting.
	(output_exception_table_entry): Use new rethrow_ref field.
	(can_throw): Check for EH_REGION_NOTE before deciding
	whether a CALL can throw or not.
	(scan_region): Call rethrow_used() instead of accessing data structure.
	(update_rethrow_references): New function to make sure only regions
	which are still targets of a rethrow are flagged as such.
	(process_nestinfo): New static function to initialize a handler
	list for a specific region.
	(init_eh_nesting_info): New function to allocate and initialize
	the list of all EH handlers reachable from all regions.
	(reachable_handlers): New function to retrieve the list of handlers
	reachable from a specific region and insn.
	(free_eh_nesting_info): New function to dispose of a list of
	reachable handlers.

Tue Aug 10 10:39:31 EDT 1999  Andrew MacLeod  <>

	* flow.c (split_edge): Set JUMP_LABEL field.
	(commit_one_edge_insertion): Set head correctly for insert_before.
	When inserting insns, update insn block numbers if allocated.

Tue Aug 10 09:26:07 1999  Kaveh R. Ghazi  <>

	* dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
	retry_incomplete_types): Add static prototype.
	(stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
	dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
	dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
	dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
	dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
	Constify a char*.

	* dwarf2out.h (dwarf2out_define, dwarf2out_undef,
	dwarf2out_start_source_file, dwarf2out_line): Likewise.

Tue Aug 10 09:21:46 1999  Kaveh R. Ghazi  <>

	* output.h (assemble_name): Constify a char*.

	* varasm.c (UNIQUE_SECTION, assemble_start_function,
	assemble_variable, assemble_name): Likewise.

	* dwarf2out.c (ASM_NAME_TO_STRING): Likewise.

	* arm/pe.c (arm_pe_unique_section): Likewise.

	* i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.

	* i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.

	* i386/interix.c (i386_pe_unique_section): Likewise.

	* i386/win32.h (STRIP_NAME_ENCODING): Likewise.

	* i386/winnt.c (i386_pe_unique_section): Likewise.

	* m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.

	* mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.

	* mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.

	* pa/pa.c (output_call): Likewise.

	* pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.

	* pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.

	* rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):


	* rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.


	* v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.

Mon Aug  9 19:54:05 1999  Kaveh R. Ghazi  <>

	* real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.

Mon Aug  9 19:36:00 1999  Kaveh R. Ghazi  <>

	* tree.h (lang_identify): Constify a char*.
	(print_error_function): Add extern prototype.  Constify a char*.

	* c-lang.c (lang_identify): Constify a char*.

	* objc/objc-act.c (lang_identify): Constify a char*.

Mon Aug  9 16:21:53 1999  Bernd Schmidt  <>

	* genpeep.c (main): Make generated file include "function.h".
	* arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.

Mon Aug  9 10:08:50 1999  Bernd Schmidt  <>

	* Update dependencies.
	* alias.c: Include "function.h"
	* c-decl.c: Likewise.
	* caller-save.c: Likewise.
	* calls.c: Likewise.
	* combine.c: Likewise.
	* cse.c: Likewise.
	* explow.c: Likewise.
	* final.c: Likewise.
	* global.c: Likewise.
	* graph.c: Likewise.
	* local-alloc.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	* profile.c: Likewise.
	* recog.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* reload.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* sched.c: Likewise.
	* stupid.c: Likewise.
	* config/1750a/1750a.c: Likewise.
	* config/a29k/a29k.c: Likewise.
	* config/arc/arc.c: Likewise.
	* config/arm/arm.c: Likewise.
	* config/arm/thumb.c: Likewise.
	* config/c4x/c4x.c: Likewise.
	* config/clipper/clipper.c: Likewise.
	* config/convex/convex.c: Likewise.
	* config/fx80/fx80.c: Likewise.
	* config/i860/i860.c: Likewise.
	* config/m68k/m68k.c: Likewise.
	* config/m88k/m88k.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/pdp11/pdp11.c: Likewise.
	* config/pyr/pyr.c: Likewise.
	* config/romp/romp.c: Likewise.
	* config/sh/sh.c: Likewise.
	* config/tahoe/tahoe.c: Likewise.
	* config/vax/vax.c: Likewise.
	* config/we32k/we32k.c: Likewise.
	* config/sparc/sparc.c: Include "function.h".
	(mem_min_alignment): Test current_function rather than
	* config/pa/pa.c: Likewise.
	(compute_frame_size): Delete declaration of
	* config/arc/arc.h (current_function_varargs): Delete declaration.
	* config/elxsi/elxsi.h (current_function_calls_alloca): Delete
	* config/i370/i370.h (current_function_outgoing_args_size): Delete
	* config/i386/i386.h (FINALIZE_PIC): Delete declaration of
	* config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
	of current_function_returns_pointer.
	* config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
	* config/m88k/m88k.c: Include "function.h"
	(call_used_regs, current_function_pretend_args_size,
	current_function_outgoing_args_size, frame_pointer_needed): Delete
	* config/m88k/m88k.h (current_function_pretend_args_size): Delete
	* config/mips/mips.h (current_function_calls_alloca): Delete
	* config/mn10200/mn10200.h (current_function_needs_context,
	rtx_equal_function_value_matters): Delete declarations.
	* config/ns32k/ns32k (current_function_uses_pic_offset_table,
	flag_pic): Delete declarations.
	* config/pa/pa.h (current_function_pretend_args_size,
	current_function_decl): Delete declarations.
	* config/pa/som.h (current_function_varargs): Delete declaration.
	* config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
	* config/pyr/pyr.h (current_function_pretend_args_size,
	current_function_args_size, current_function_calls_alloca): Delete
	* config/sh/sh.h (current_function_varargs): Delete declaration.
	* config/sparc/sparc.h (current_function_outgoing_args_size,
	current_function_calls_alloca, current_function_decl): Delete
	* config/spur/spur.h (current_function_pretend_args_size,
	current_function_calls_alloca): Delete declarations.
	* config/v850/v850.c (current_function_outgoing_args_size): Delete
	* config/vax/vms.h (current_function_name): Delete declaration.
	* gcse.c: Include "function.h".
	(current_function_name, current_function_calls_setjmp): Delete
	* haifa-sched.c: Include "function.h".
	(forced_labels): Delete declaration.
	* jump.c: Likewise.
	* reg-stack.c: Likewise.
	* reload1.c: Likewise.
	* genemit.c (main): Make generated file include function.h.
	* genoutput.c (output_prologue): Likewise.

	* builtins.c (saveregs_value, apply_args_value): Delete variables.
	* emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
	sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
	regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
	regno_reg_rtx, sequence_stack): Delete variables.  Add accessor
	macros for some of them.
	(emit_filename, emit_lineno): Delete declarations.
	(gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy.  Access
	regno_pointer_* variables through current_function.
	(gen_inline_header_rtx): Delete function.
	(save_emit_status): Delete function.
	(set_new_last_label_num): New function.
	(clear_emit_caches): New function.
	(restore_emit_status): Just clear last_labelnum and call
	(get_last_insn_anywhere): Variable sequence_stack is now accessed
	through macro seq_stack.
	(add_insn_after): Likewise.
	(add_insn_before): Likewise.
	(remove_insn): Likewise.
	(pop_topmost_sequence): Likewise.
	(in_sequence_p): Likewise.
	(start_sequence_for_rtl_expr): Likewise.
	(start_sequence): Likewise, and likewise for
	(push_topmost_sequence): Likewise.
	(end_sequence): Likewise.
	(init_virtual_regs): Now takes a "struct emit_status *" argument.
	All callers changed.  Store into that pointer instead of globals.
	(init_emit): Allocate emit elt of current_function.
	Changes for sequence_rtl_expr/sequence_stack renaming.
	Call clear_emit_caches instead of doing it in-line.
	Access regno_pointer_* variables through current_function.
	(init_emit_once) Don't clear sequence_stack.

	* expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
	Delete variables.
	(arg_pointer_save_area): Delete declaration.
	(finish_expr_for_function): Renamed from init_queue; no longer static.
	(init_expr): Don't call init_queue.
	(save_expr_status, restore_expr_status): Delete functions.
	(expand_expr): Changes to reflect new layout of struct function.
	Don't access current_function_check_memory_usage when current_function
	is 0.
	* expr.h (forced_labels, save_expr_regs, saveregs_value,
	apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
	current_function_outgoing_args_size, current_function_arg_offset_rtx,
	current_function_uses_const_pool, function_call_count,
	current_function_uses_pic_offset_table, nonlocal_labels,
	current_function_internal_arg_pointer, nonlocal_goto_stack_level,
	current_function_check_memory_usage, nonlocal_goto_handler_slots,
	pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
	(finish_expr_for_function): Declare.
	* flags.h (current_function_has_nonlocal_label,
	current_function_has_nonlocal_goto, current_function_is_thunk,
	current_function_has_computed_jump): Delete declarations.
	* flow.c (forced_labels): Delete declaration.
	* function.c (current_function_pops_args,
	current_function_returns_struct, current_function_returns_pcc_struct,
	current_function_needs_context, current_function_calls_setjmp,
	current_function_calls_longjmp, current_function_has_nonlocal_label,
	current_function_has_nonlocal_goto, current_function_is_thunk,
	current_function_has_computed_jump, current_function_calls_alloca,
	current_function_contains_functions, current_function_returns_pointer,
	current_function_epilogue_delay_list, current_function_args_size,
	current_function_pretend_args_size, current_function_arg_offset_rtx,
	current_function_outgoing_args_size, current_function_varargs,
	current_function_stdarg, current_function_args_info, cleanup_label,
	current_function_name, current_function_uses_const_pool,
	current_function_instrument_entry_exit, current_function_return_rtx,
	current_function_uses_pic_offset_table, nonlocal_labels,
	current_function_internal_arg_pointer, current_function_cannot_inline,
	current_function_check_memory_usage, function_call_count,
	nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
	nonlocal_goto_stack_level, return_label, save_expr_regs,
	stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
	tail_recursion_reentry, arg_pointer_save_area, frame_offset,
	context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
	last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
	temp_slot_level, var_temp_slot_level, target_temp_slot_level):
	Delete variables.
	(push_function_context_to): Don't save them.  Don't call
	save_storage_status, save_emit_status or save_expr_status.
	(pop_function_context_from): Don't restore them.  Don't call
	restore_storage_status or restore_expr_status.
	(get_func_frame_size): New function.
	(get_frame_size): Use it.
	(assign_outer_stack_local): Reflect some member name changes in struct
	(put_reg_into_stack): Likewise.
	(assign_stack_temp_for_type): sequence_rtl_expr was renamed to
	(fixup_var_refs): Likewise.
	(fix_lexical_addr): Likewise.
	(trampoline_address): Likewise.
	(prepare_function_start): Clear field inlinable of current_function.
	(init_function_for_compilation): New function.
	(expand_dummy_function_end): New function.
	(expand_function_end): Call finish_expr_for_function.
	* function.h (struct emit_status): New; fields moved here from struct
	function and from global variables.  Add accessor macros for some of
	the fields.
	(struct expr_status): Likewise.
	(struct function): Add fields expr and emit, inlinable, inl_emit,
	original_arg_vector, original_decl_initial, inl_last_parm_insn,
	inl_max_label_num.  Add many comments.
	Add accessor macros for all elts of struct function that no longer
	have a global variable.
	(cleanup_label, return_label, frame_offset, tail_recursion_label,
	tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
	stack_slot_list): Delete declarations.
	(get_func_frame_size): Declare.
	(save_expr_status, restore_expr_status, save_emit_status,
	save_storage_status, restore_storage_status): Delete declarations.
	(init_virtual_regs): Declare.
	* output.h (current_function_pops_args,
	current_function_returns_struct, current_function_returns_pcc_struct,
	current_function_needs_context, current_function_calls_setjmp,
	current_function_calls_longjmp, current_function_calls_alloca,
	current_function_has_nonlocal_label, current_function_varargs,
	current_function_has_computed_jump, current_function_returns_pointer,
	current_function_contains_functions, current_function_args_size,
	current_function_pretend_args_size, current_function_stdarg,
	current_function_outgoing_args_size, current_function_args_info,
	current_function_name, current_function_return_rtx,
	current_function_uses_const_pool, current_function_cannot_inline):
	Delete declarations.
	* regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
	regno_reg_rtx): Delete declaration.
	(REGNO_POINTER_FLAG): Delete macro.
	* stmt.c (expand_goto): Changes to reflect that some fields in struct
	function were renamed.
	* stor-layout.c (save_storage_status, restore_storage_status): Delete
	* toplev.c: Include "function.h".
	(current_function_decl): Delete declaration.
	(compile_file): Call init_dummy_function_start and
	expand_dummy_function_end around some initializations that need to
	emit rtl.
	(rest_of_compilation): Use DECL_SAVED_INSNS properly.
	Call init_function_for_compilation.
	* unroll.c: Include "function.h"
	(unroll_loop): Access regno_pointer_* variables through

	* tree.h (struct tree_decl): Add elt f to saved_insns member.
	(DECL_SAVED_INSNS): use it.
	(expand_dummy_function_end): Declare.
	(init_function_for_compilation): Declare.
	* calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
	that it's no longer an INLINE_HEADER.
	(expand_call): Likewise.
	* integrate.c (finish_inline): Delete function.
	(max_parm_reg, parm_reg_stack_loc): Delete declarations.
	(initialize_for_inline): Delete min_labelno, max_labelno and max_reg
	args.  Don't generate an INLINE_HEADER rtx, just return the arg
	vector.  All callers changed.
	(save_for_inline_copying):  Create a duplicate struct emit_status to
	hold the emit state for compiling the current function.  Use this and
	the other new fields in struct function that are for integration
	instead of an INLINE_HEADER.
	Use memcpy instead of bcopy.
	Store the current struct function in DECL_SAVED_INSNS of fndecl.
	(save_for_inline_nocopy): Similar changes, except no new emit_status
	is needed here.
	(expand_inline_function): Get information from function structure,
	not from an inline header rtx.
	(output_inline_function): Lose code to extract the necessary
	information from an inline header; simply put back the function
	structure into current_function.  Clear its inlinable elt.
	* rtl.def (INLINE_HEADER): Delete.
	* rtl.h: Delete all accessors for an INLINE_HEADER.
	(gen_inline_header_rtx): Delete declaration.
	(regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
	Delete declarations.
	(clear_emit_caches): Declare.
	(set_new_last_label_num): Declare.

Mon Aug  9 01:52:24 1999  Jason Merrill  <>

	* print-tree.c (print_node): Print base for OFFSET_TYPEs.

	* except.c (expand_eh_region_start_for_decl): Always start a new block.
	* stmt.c (is_eh_region): Make sure current_function is present, too.

Mon Aug  9 01:15:24 1999  Jeffrey A Law  (

	* pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
	for 64bit PA targets.

	* pa.h (SELECT_SECTION): Define.
	* som.h (SELECT_SECTION): Delete.

Sun Aug  8 15:13:20 1999  Kaveh R. Ghazi  <>

	* alias.c (init_alias_analysis): Wrap call to
	`prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.

1999-08-07  Bruce Korb  <>

	* fixinc/inclhack.def(irix_asm_apostrophe):  IRIX 5.2's
	<sys/asm.h> contains an asm comment with an apostrophe
	* fixinc/  regen
	* fixinc/fixincl.x:  regen

Sat Aug  7 19:37:07 1999  Richard Henderson  <>

	* function.c (init_function_start): Clear prologue & epilogue.
	(prologue_epilogue_contains): New function.
	* alias.c (init_alias_analysis): Use it.
	* rtl.h (prologue_epilogue_contains): Declare it.

Sat Aug  7 19:32:16 1999  Richard Henderson  <>

	* jump.c (onlyjump_p): New function.
	* rtl.h: Declare it.
	* flow.c (delete_unreachable_blocks): Use onlyjump_p instead
	of condjump_p in calling tidy_fallthru_edge and merge_blocks.

Sat Aug  7 17:09:36 1999  Richard Henderson  <>

	* global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
	to invert loops.  Simplify block scanning.

Sat Aug  7 02:11:13 1999  Bernd Schmidt <>

	* gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
	(cprop_insn): Treat SYMBOL_REFs like CONST_INTs.

1999-08-07  Jonathan Larmour  <>

	* config/sparc/liteelf.h: New file to support sparclite-elf target
	* config/sparc/t-sp86x: New file to support sparc86x targets
	* config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
	* config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
	* Support above target triplets
	* configure: Regenerated

Sat Aug  7 01:39:27 1999  Philippe De Muyter  <>

	* fixinc/server.c (server_setup): Do not prefix function used as
	parameter with `&'.

Sat Aug  7 00:21:20 1999  Richard Henderson  <>

	* (movhi and movqi patterns): Correct predicate for !BWX.
	Remove fp reg alternatives.

Sat Aug  7 00:06:54 1999  Jeffrey A Law  (

	* Makefiin (TAROUTOPTS): Kill.
	(install-headers-tar): Use "xpf" for tar headerfile extraction
	* i370/x-oe (TAROUTOPTS): Delete.
	* m68k/x-apollo68 (TAROUTOPTS): Delete.
	* m68k/x-hp320 (TAROUTOPTS): Delete.
	* m68k/x-hp320g (TAROUTOPTS): Delete.
	* gcc.texi: Update bug reporting text.

1999-08-6 Herman A.J. ten Brugge <>

	* reg-stack.c (change_stack) Fixed problem with negative array index.

Fri Aug  6 23:08:44 1999  Jeffrey A Law  (

	* extend.texi, install.texi: Fix spelling mistakes.

	(s-attrtab); No longer try to use pre-made insn-attrtab file.
	* mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
	* mips/t-ecoff: Likewise.
	* mips/t-elf: Likewise.
	* mips/t-mips: Likewise.
	* mips/t-osfrose: Likewise.
	* mips/t-r3900: Likewise.
	* mips/t-svr3: Likewise.
	* mips/t-svr4: Likewise.
	* mips/t-ultrix: Likewise.

	* gcc.texi: Document recommend means to provide software floating
	point libraries in libgcc.a

1999-08-06  Jason Merrill  <>

	* c-lex.c (yylex): We can have a number with no digits.

Fri Aug  6 16:53:55 EDT 1999  John Wehle  (

	* jump.c (delete_prior_computation): New function, broken
	out of delete_computation.  Check for side effects with
	side_effects_p instead of FIND_REG_INC_NOTE.  Handle
	multi-word hard registers.
	(delete_computation): Use it.  Check for side effects with
	side_effects_p instead of FIND_REG_INC_NOTE.  Synthesize a
	missing REG_DEAD note for a register which is both set and
	used by an insn.

Fri Aug  6 11:05:29 1999  Jeffrey A Law  (

	* elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
	(ASM_FILE_START): Import _mcount with the right type.
	* pa.c (output_function_prologue): Always emit the function's label
	* pa.h (TEXT_SPACE_P): Define.
	* som.h (TEXT_SPACE_P): Delete.

Thu Aug  5 19:29:39 1999  Jim Wilson  <>

	* expr.c (emit_group_load): Allow src to be a CONCAT.

Thu Aug  5 22:27:15 1999  J"orn Rennecke <>

	* config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
	(___mulsi3): Use '!' comment character.

Thu Aug  5 13:34:14 1999  Bernd Schmidt  <>

	* reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".

Thu Aug  5 02:40:42 1999  Jeffrey A Law  (

	* gcc.c: Update URLs and mail addresses.
	* gcc.texi: Likewise.

Thu Aug  5 01:14:13 1999  Daniel Jacobowitz <>

	* rs6000.c (current_file_function_operand): Return zero for
	weak functions.
	(rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
	weak symbols.
	for weak symbols.

Thu Aug  5 00:56:30 1999  Geoffrey Keating  <>

	* rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
	allocate space in the stack frame for the PIC register.

Thu Aug  5 00:20:47 1999  Jeffrey A Law  (

	* (xordi3, anddi3): These patterns are not available on
	the coldfire.

Wed Aug  4 23:39:20 1999  Mark Mitchell  <>

	* real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
	(PUT_REAL): Likewise.

Wed Aug  4 20:45:04 1999  J"orn Rennecke <>

	* final.c (shorten_branches): Don't add an alignment for loops
	that have no label inside.

Wed Aug  4 16:39:24 1999  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
	prototypes in macro HAVE_cmpstrsi.

	* cpplib.c (cpp_get_token): Remove unused label `op3'.

	* emit-rtl.c (operand_subword): Remove unused variable

	* rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.

	* tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.

Wed Aug  4 13:29:23 1999  Zack Weinberg  <>

	* cpphash.c (macroexpand): Delete leading whitespace when arg
	is concatenated before.
	(unsafe_chars): Correct test for whether + and - can extend a

	* cppinit.c (cpp_start_read): Do dependencies for
	-include/-imacros files also.

	* cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
	tokenizing non-directive lines.
	(cpp_expand_to_buffer): Temporarily disable no-output mode.
	* cppmain.c: In no-output mode, just call cpp_scan_buffer for
	the input file.

Wed Aug  4 12:53:44 1999  Jason Merrill  <>

	* expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.

	* c-lex.c: Sync with C++ frontend.
	(linemode): New variable.
	(parse_float): imag, conversion_errno, and type are output only.
	(yylex): Adjust.  Move initial '.' case into main switch.
	Use linemode.
	(handle_generic_pragma): Just deal with tokens.
	(readescape): Use ISXDIGIT and ISGRAPH.
	* Add END_OF_LINE token.

	* c-lex.c (lang_init): Generalize.
	(nextchar): Remove.  Replace uses with UNGETC.
	(skip_white_space): Handle linemode here.  Optimize for cpplib.
	(skip_white_space_on_line): Remove.
	(extend_token_buffer_to): New fn.
	(extend_token_buffer): Use it.
	(read_line_number, check_newline): Just deal with tokens.
	(token_getch, token_put_back): New fns.
	(yylex): Use them.  More cpplib optimizations.  Simplify.

Wed Aug  4 12:53:44 1999  Michael Tiemann  <>
			  Jason Merrill  <>

	* c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
	(consume_string): Make this smart about USE_CPPLIB.
	(check_newline): Rewrite to be intelligent about USE_CPPLIB.
	(yylex): Rewrite to be intelligent about USE_CPPLIB.
	Also, clean up cases where we redundantly set token_buffer[0].
	(read_line_number): New fn.
	(ignore_escape_flag): New variable.

Wed Aug  4 13:12:17 1999  Jeffrey A Law  (

	* a29k/t-a29kbare: Fix some comments.
	(LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
	(FPBIT, DPBIT): Define.
	* a29k/t-vx29k: Likewise.
	* arc/t-arc: Likewise.
	* arm/t-arm-elf: Likewise.
	* arm/t-bare: Likewise.
	* arm/t-pe: Likewise.
	* arm/t-pe-thumb: Likewise.
	* arm/t-semi: Likewise.
	* arm/t-thumb: Likewise.
	* arm/t-thumb-elf: Likewise.
	* arm/t-thumb-linux: Likewise.
	* h8300/t-h8300: Likewise.
	* i960/t-i960: Likewise.
	* i960/t-vxworks960: Likewise.
	* m32r/t-m32r: Likewise.
	* mips/t-ecoff: Likewise.
	* mips/t-elf: Likewise.
	* mips/t-r3900: Likewise.
	* pa/t-pro: Likewise.
	* rs6000/t-aix43: Likewise.
	* rs6000/t-beos: Likewise.
	* rs6000/t-newas: Likewise.
	* rs6000/t-ppccomm: Likewise.
	* rs6000/t-rs6000: Likewise.
	* rs6000/t-winnt: Likewise.
	* rs6000/t-xnewas: Likewise.
	* rs6000/t-xrs6000: Likewise.
	* sh/t-sh: Likewise.
	* sparc/t-elf: Likewise.
	* sparc/t-sparcbare: Likewise.
	* sparc/t-sparclite: Likewise.
	* sparc/t-splet: Likewise.
	* v850/t-v850: Likewise.
	* mn10200/t-mn10200: Fix comments.
	* mn10300/t-mn10300: Likewise.

	* (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
	dummy operand.  Allocate a new pseudo for the dummy operand.
	(divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.

	* (movqi, movhi patterns): Do not expose FP regs to regclass.

Wed Aug  4 11:53:55 1999  Tom Tromey  <>

	* configure: Rebuilt.
	* Removed --enable-java-gc option and JAVAGC subst.

Wed Aug  4 09:06:14 1999  Richard Earnshaw (

	* recog.c (preproces_constraints): Zero recog_op_alt before
	processing the constraints.

	* arm.c (typedef minipool_node): Renamed from pool_node.
	(minipool_vector, minipool_size, minipool_vector_label): Similarly.
	(add_minipool_constant): New function.
	(dump_minipool): New function.
	(find_barrier): Remove special case for getting the insn size of
	an insn that references the constant pool.
	(minipool_fixup): New structure.
	(push_minipool_barrier): New function.
	(push_minipool_fix): New function.
	(note_invalid_constants): New function.
	(add_pool_constant, dump_table, fixit, broken_move): Delete.
	(arm_reorg): Rewrite code to fix up the constant pool into a
	series of mini-pools embedded in the insn stream.
	(arm_output_epilogue): New function, made mainly from the body
	of output_func_epilogue.
	(output_func_epilogue): Move insn generation part of epilogue code
	to arm_output_epilogue.
	* (pool_range): New attribute.
	(zero_extendqidi2): Add attribute pool_range.
	(zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
	extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
	pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
	movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
	movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
	(epilogue): New expand.
	(epilogue_insn): New insn.  Call arm_output_epilogue.

	* arm.c (arm_poke_function_name): Undo change of July 17.  Tidy up.
	* arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.

Mon Aug  2 19:18:44 1999  Jason Merrill  <>

	* linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

1999-08-04 Mark Elbrecht <>

	* config/i386/djgpp.h  (BSS_SECTION_ASM_OP): Define.

Wed Aug  4 02:15:32 1999  Richard Henderson <>

	* jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.

Wed Aug  4 01:48:08 1999  Jim Kingdon  <>

	* global.c: Fix comment.

Wed Aug  4 01:43:01 1999  Ian Lance Taylor  <>

	* gcc.c (access_check): New static function.
	(find_a_file): Use it when searching a directory list.
	* collect2.c (find_a_file): Don't accept directories found when
	searching a directory list.

Wed Aug  4 01:40:43 1999  Philippe De Muyter  <>

	* tlink.c (symbol_hash_lookup): Do not prefix functions used as
	function parameters with `&'.
	(file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.

Wed Aug  4 01:08:44 1999  Jeffrey A Law  (

	* flow.c (delete_unreachable_blocks): Do not call merge_blocks
	or tidy_fallthru_edge if the last insn in the block is not
	an unconditional jump or a simple conditional jump.

Tue Aug  3 20:21:20 1999  J"orn Rennecke <>

	* (c-decl.o): Depends on defaults.h.

Tue Aug  3 14:14:52 1999  Jeffrey A Law  (

	* pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
	PA1.1 and above.
	(CLASS_MAX_NREGS): Likewise.

Tue Aug  3 03:51:20 1999  Jeffrey A Law  (

	* cse.c (cse_insn): Fix dumb thinko in last change.

Tue Aug  3 10:36:13 1999  Bernd Schmidt  <>

	* reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
	"const char *".

Mon Aug  2 23:45:45 1999  Hans-Peter Nilsson  <>

	* dwarf2out.c (add_location_or_const_value_attribute): Correct
	test for sizes of passed and declared parameter types.

Tue Aug  3 00:03:41 1999  Kaveh R. Ghazi  <>

	* fixincludes: Fix the return type of bsearch, char* -> void*.

	* fixinc/inclhack.def: Likewise.

Mon Aug  2 18:29:32 1999  Mark Mitchell  <>

	* invoke.texi (-fdump-translation-unit): New option.

Mon Aug  2 17:54:19 1999  Richard Henderson  <>

	* expr.h (PROMOTE_PROTOTYPES): Move ...
	* defaults.h: ... to here.
	* c-decl.c: Include defaults.h instead of expr.h.
	* c-typeck.c: Include defaults.h.

Mon Aug  2 17:10:24 1999  Mark Mitchell  <>

	* toplev.h (errorcount): Declare.
	(warningcount): Likewise.
	(sorrycount): Likewise.
	* c-lex.c (errorcount): Don't declare.
	* dwarf2out.c (errorcount): Don't declare.

Mon Aug  2 17:02:08 1999  Jason Merrill  <>

	* config/libgloss.h: Add a note discouraging use with ELF.
	* Don't use libgloss.h for ELF targets.
	Always use_collect2 on a.out targets.

Mon Aug  2 16:27:42 1999  Jim Wilson  <>

	* combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
	(force_to_mode, case ASHIFTRT): Add shiftrt label.

Tue Aug  3 00:45:02 1999  J"orn Rennecke <>

	* loop.c (strength_reduce): When doing biv->giv conversion, update
	reg note of NEXT->insn.

1999-08-02  Jakub Jelinek  <>

	* real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.

1999-08-02  Jakub Jelinek  <>

	* c-decl.c (get_parm_info, store_parm_decls): Change all uses of
	PROMOTE_PROTOTYPES, so that it tests it as a C expression.
	Ensure expr.h is included.
	* c-typecheck.c (convert_arguments): Ditto.

	* expr.h: Supply default for PROMOTE_PROTOTYPES (0).

	* config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
	* config/convex/convex.h: Ditto.
	* config/dsp16xx/dsp16xx.h: Ditto.
	* config/fx80/fx80.h: Ditto.
	* config/gmicro/gmicro.h: Ditto.
	* config/i370/i370.h: Ditto.
	* config/i386/i386.h: Ditto.
	* config/m32r/m32r.h: Ditto.
	* config/m68k/m68k.h: Ditto.
	* config/m88k/m88k.h: Ditto.
	* config/mips/mips.h: Ditto.
	* config/pa/pa.h: Ditto.
	* config/pyr/pyr.h: Ditto.
	* config/tahoe/tahoe.h: Ditto.
	* config/we32k/we32k.h: Ditto.

	* config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
	based on arch size.

	* config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.

	* config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
	from comment.

	* tm.texi: Document new usage of PROMOTE_PROTOTYPES.

1999-08-02  Richard Henderson  <>

	* m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
	for the register spill block.
	(m32r_va_arg): New.
	* m32r.h (EXPAND_BUILTIN_VA_ARG): New.
	(EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.

	* m32r.h (INT8_P): Don't short-cut test with (unsigned).
	(INT16_P, CMP_INT16_P, UINT16_P): Likewise.
	(UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.

1999-08-02  Jakub Jelinek  <>

	* config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
	MAX_WCHAR_TYPE defined in sparc.h.
	* config/sparc/linuxaout.h: Likewise.
	* config/sparc/linux64.h: Likewise.
	Also default to -mvis if CPU is UltraSPARC.

1999-08-02  Jakub Jelinek  <>

	* config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
	(RTX_OK_FOR_OLO10): Likewise.
	(GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
	%lo(), allow it in addresses...
	(PRINT_OPERAND_ADDRESS): ... and print it appropriately.
	* config/sparc/ (sethi_di_medlow_embmedany_pic): sethi %lo()
	does not make sense.
	* config/sparc/sparc.c (sparc_hard_reg_printed): New array.
	(sparc_output_scratch_registers): New function.
	(output_function_prologue, sparc_flat_output_function_prologue): Use
	* varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
	* tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
	* Add check for .register pseudo-op support in as and
	check for offsetable %lo().
	* acconfig.h: Add templates for the above checks.
	* configure: Regenerate.

1999-08-02  Richard Henderson  <>

	* sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
	* sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
	* sparc/sol2.h (TARGET_DEFAULT): Likewise.

Mon Aug  2 23:46:45 1999  J"orn Rennecke <>

	* loop.c (strength_reduce): When doing biv->giv conversion, fix up

1999-08-02  Jakub Jelinek  <>

	* config/float-sparc.h: New file.
	* Use float_format=sparc for sparc-*-linux-gnulibc1,
	sparc-*-linux-gnu and sparc64-*-linux*.

1999-08-02  Franz Sirl  <>

	* rs6000.c (rs6000_va_list): Type is an array.
	(rs6000_va_start): Don't doubly adjust for varargs.
	(rs6000_va_arg): Evaluate long long GPR adjustment.

Mon Aug  2 16:15:57 1999  David Edelsohn  <>

	* rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
	-maix64 and -maix32.
	LINK_SPEC): Change appropriately.
	* rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
	(u_short_cint_operand): Likewise.
	* rs6000/ (movdi splitters): Add TARGET_POWERPC64 support
	for 64-bit hosts.
	* rs6000/t-aix43 (MULTILIB): Change to -m64.

	* invoke.texi (RS/6000 Submodel): Document 64-bit processor options.

Mon Aug  2 16:15:57 1999  Geoff Keating  <>

	* rs6000/rs6000.c (num_insns_constant_wide): Correct
	for type promotion.
	(add_operand): Get test correct for 64-bit HOST_WIDE_INT.
	(non_add_cint_operand): Likewise.
	(logical_operand): Likewise.
	(non_logical_cint_operand): Likewise.
	(print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
	(print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
	(rs6000_select_rtx_section): Suppress warning.
	(small_data_operand): Suppress warning.
	(rs6000_got_register): Suppress warning.
	* rs6000/ (andsi3): HOST_WIDE_INT is a signed
	type, so `J' is generally the wrong constraint for a SImode value;
	use `L' instead.
	(andsi3_internal2): Likewise.
	(andsi3_internal3): Likewise.
	(iorsi3_internal1): Likewise.
	(xorsi3_internal1): Likewise.
	(movsi): Likewise.
	(movsf_softfloat): Likewise.
	(scc insns): Likewise.
	(movsi+2): Preserve sign bits of SImode constant.
	(floatsidf2_internal+1): Sign-extend SImode constant correctly.
	(movdf+1): Sign-extend properly.
	(movdi_32+1): Sign-extend properly.
	(scc insns): Sign-extend properly.

	* md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
	K, L, and T.

1999-08-02  Richard Henderson  <>

	* alpha.c (override_options): Move ev6 alpha_tp frobbing out of
	-mcpu parsing code.
	(print_operand): Notice alpha_fptm not alpha_tp for sw completion.
	* (all fp insns): Likewise.

1999-08-02  Nick Clifton  <>

	* config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
	already defined.

Mon Aug  2 03:38:33 1999  Jeffrey A Law  (

	* pa.c (legitimize_pic_address): Clarify comments.  Do not call the
	pic_load_label generator directly.
	* (pic_load_label): Clarify comments.  Remove modes on operands.
	No longer a named pattern.

Mon Aug  2 09:38:10 1999  Nick Clifton  <>

	* explow.c (force_reg): Call force_operand if X does not
	satisfy general_operand.

Mon Aug  2 01:34:22 1999  Jeffrey A Law  (

	* fix-header.c (main): When testing for CONTINUED, use string
	equality, not pointer equality.

Mon Aug  2 01:27:24 1999  Dan Nicolaescu  <>

	* sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.

Sun Aug  1 22:46:42 1999  Jeffrey A Law  (

	* cse.c (cse_insn): Fix loop which deletes insns after a jump
	that has become an unconditional jump.

	* m68k.c (output_function_prologue): Fix typo in CPU32 case.
	(output_function_epilogue): Similarly.

Sun Aug  1 20:14:00 1999  Bernd Schmidt  <>

	* tree.h (init_dummy_function_start): Declare.

Sun Aug  1 12:55:31 1999  Bernd Schmidt  <>

	* stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
	last_expr_type, last_expr_value, block_start_count, block_stack,
	stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
	nesting_depth, goto_fixup_chain): Delete global	vars; now allocated
	dynamically in stmt elt of struct function for each function.
	(struct nesting): Rename function_call_count elt to n_function_calls,
	target_temp_slot_level to block_target_temp_slot_level.  All users
	(struct stmt_status): New structure definition.
	Add many accessor macros for stmt_status elements which previously
	were global variables.
	(init_stmt_for_function): Allocate stmt elt for current_function.
	Reflect that block_start_count was renamed to
	(save_stmt_status, restore_stmt_status): Delete functions.
	(preserve_subexpressions_p): Don't access loop_stack when outside
	a function.
	(expand_start_bindings): Reflect that block_start_count was renamed to
	(expand_fixup): Likewise.
	(expand_decl): Don't access block_stack when outside a function.
	(expand_decl_cleanup): Likewise.
	(expand_dcc_cleanup): Likewise.
	(expand_dhc_cleanup): Likewise.
	(expand_anon_union_decl): Likewise.
	(set_file_and_line_for_stmt): New function.
	(in_control_zone_p): New function.

	* function.h (struct function): Add new elt stmt.
	Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
	case_stack, nesting_stack, nesting_depth, block_start_count,
	last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
	emit_lineno, goto_fixup_chain.
	(save_eh_status, restore_eh_status, save_stmt_status,
	restore_stmt_status): Delete declarations.
	* function.c (push_function_context_to): Don't call save_stmt_status.
	(pop_function_context_to): Don't call restore_stmt_status.
	* tree.h (in_control_zone_p): Declare.
	* rtl.h (set_file_and_line_for_stmt): Declare.

	* emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
	call set_file_and_line_for_stmt.

Thu Jul 31 12:34:45 1999  Joe Buck  <>

	* gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
	Also update copyright.

Sat Jul 31 11:10:07 1999  Bernd Schmidt  <>

	* c-pragma.c: Don't include "except.h".
	* emit-rtl.c: Likewise.
	* stor-layout.c: Likewise.
	* tree.c: Likewise.
	* varasm.c: Likewise.

	* flow.c: Include "function.h".
	* tree.h (init_dummy_function_start): Declare new function.

	* except.h (struct eh_status): New structure.
	(struct label_node, struct eh_entry): Declare even if tree.h hasn't
	been included.
	(eh_return_stub_label, ehstack, catchstack, ehqueue,
	catch_clauses, false_label_stack, caught_return_label_stack,
	protect_list, current_function_ehc): Add accessor macros for the
	corresponding fields in current_function->eh; delete declarations
	for all items that used to be declared here.
	* except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
	catch_clauses, false_label_stack, caught_return_label_stack,
	protect_list, current_function_ehc): Delete variables.
	(init_eh_for_function): Allocate current_function->eh.
	(save_eh_status, restore_eh_status): Delete functions.

	* function.h (struct function): Add fields next_global and eh.
	Delete all exception handling related fields.
	* function.c (current_function): New variable.
	(all_functions): New variable.
	(push_function_context_to): Don't allocate a struct function,
	use current_function instead.  Call init_dummy_function_start when
	outside a function.  Clear current_function before returning.
	(pop_function_context_from): Restore current_function.
	Don't free the restored struct function.
	(prepare_function_start): New function.
	(init_dummy_function_start): New function.
	(init_function_start): Break out some code into prepare_function_start
	and call it here.

	* stmt.c (save_stmt_status): Don't call save_eh_status.
	(restore_stmt_status): Don't call restore_eh_status.

	* Update dependencies.

Sat Jul 31 04:10:01 1999  Jeffrey A Law  (

	* pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
	of depending on a magic constant value.  Update comments.
	(hppa_expand_prologue): Similarly.

	* (reload_indi, reload_outdi): Allow any register for the
	original reload register.

Fri Jul 30 19:41:35 1999  Jim Wilson  <>

	* cccp.c (print_help): Change marcos to macros.

1999-07-30  Richard Henderson  <>

	* c-typeck.c (initializer_constant_valid_p): Move ...
	* c-common.c (initializer_constant_valid_p): ... here.  Use
	FOO_TYPE_P instead of tests against TREE_CODE.  Allow subtraction
	of label addresses.
	* c-common.h (initializer_constant_valid_p): Declare.
	* c-tree.h (initializer_constant_valid_p): Remove.

Fri Jul 30 16:33:42 1999  Mathias Froehlich  <>

	* config/i386/sol2-c1.asm: Align the stack.
	* config/i386/sol2-gc1.asm: Likewise.

1999-07-30  Vladimir Makarov  <>

	* config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
	-Asparclite for sparc86x.
	(CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
	(ASM_CPU_SPEC): Use -Asparclite for sparc86x.

Fri Jul 30 14:53:56 1999  Jakub Jelinek  <>

	* config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
	the user if using the non-default arch size in BI_ARCH configuration.
	* config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.

	* config/sparc/ (cmp_mul_set, cmp_udiv_cc_set):
	Fix patterns so that they actually match.
	(cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
	(mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
	(const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
	(mulsidi3): Reflect this in the expand.
	(smulsi3_highpart): Only on TARGET_ARCH32.
	(umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
	(const_umulsidi3_sp32): Renamed from const_umulsidi3.
	(umulsidi3): Reflect this in the expand.
	(umulsi3_highpart): Only on TARGET_ARCH32.
	(divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
	don't require g0 to be zero.
	(udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
	({,u}divsi3): New expands.
	({,u}divsi3_sp64): New patterns.
	(after lshrdi3_v8plus): Four new patterns to help combiner
	optimizing nested mixed mode shifts.

	* config/sparc/sparc.c (sparc_override_options): Use deprecated
	v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
	speed things up. Don't use them by default on plain v9 in 64bit
	mode, according to what SPAMv9 sais.

	* config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
	top 32 bits of %[og][0-7] in signal handlers.
	Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.

Fri Jul 30 03:00:41 1999  Jeffrey A Law  (

	* (zvdep_imm32): Renamed from zvdep_imm.
	(ashlsi3): Corresponding changes.

	* pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.

Thu Jul 29 18:37:13 1999  Jeffrey A Law  (


Thu Jul 29 19:01:58 1999  Bernd Schmidt  <>

	* arm.h (Hint): Delete macro.
	Substitute HOST_WIDE_INT for Hint in some prototypes.
	* arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.

Thu Jul 29 09:21:42 1999  Nick Clifton  <>

	* builtins.c (expand_builtin_setjmp): Use force_operand to
	make sure that the buffer address is in a suitable form to be
	passed to force_reg.

Wed Jul 28 12:50:48 1999  Geoff Keating  <>

	* config/mips/mips.c: system.h handles MIN and MAX, don't undefine
	them here.

Wed Jul 28 13:18:35 1999  Jeffrey A Law  (

	* (indirect_jump): Remove mode from match_operand.  Verify
	proper mode in the condition string.
	(icacheflush, dcacheflush): Remove modes from match_operands.

	* pa.c (emit_move_sequence): Always convert scratch_reg to the
	proper mode before using it.

	* (adddi3, subdi3): Turn into a define_expand/define_insn

	* pa.c (store_reg): Do not call add_high_const generator directly.
	(load_reg, set_reg_plus_d): Likewise.
	* (add_high_const): No longer a named pattern.

	* pa.c (legitimize_address): Consistently use Pmode rather than
	SImode.  Do not call gen_pic2_highpart directly anymore.
	* (pic2_highpart): No longer a named pattern.
	(pic2_lo_sum): Similarly.  Reformat to make more readable.

	* (call, call_value): Use "word_mode" instead of "SImode" as

	* README: Update.

Wed Jul 28 11:28:04 1999  Franz Sirl  <>

	* builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.

Wed Jul 28 11:23:48 1999  Richard Henderson  <>

	* pa.c (hppa_builtin_saveregs):  Use get_varargs_alias_set
	and tag the spill mems.
	(hppa_va_start): New.
	(hppa_va_arg): New.

Wed Jul 28 11:22:21 1999  Richard Henderson  <>

	* mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
	and tag the spill mems.
	(mn10300_va_start): New.
	(mn10300_va_arg): New.
	* mn10300.h (EXPAND_BUILTIN_VA_START): New.

Wed Jul 28 11:20:19 1999  Richard Henderson  <>

	* mn10200.c (mn10200_va_arg): New.
	* mn10200.h (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:19:06 1999  Richard Henderson  <>

	* builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
	rather than play with TREE_INT_CST_LOW.

1999-07-27  Philip Blundell  <>

	* config/arm/telf.h: Include dbxelf.h.
	(CPP_PREDEFINES): Only define if not already defined.
	(ASM_IDENTIFY_GCC): Likewise.
	* config/arm/thumb.h (LINK_SPEC): Only define if not already
	(DBX_DEBUGGING_INFO): Don't define.
	* config/arm/linux-telf.h: New file.
	* config/arm/linux-tgas.h: New file.
	* config/arm/t-thumb-linux: New file.
	* config/arm/uclinux-elf.h: New file.
	* config/arm/uclinux-telf.h: New file.
	* (arm-*-uclinux, thumb-*-linux-gnu,
	thumb-*-uclinux): New targets.
	* configure: Regenerate.

Tue Jul 27 23:20:21 1999  Jeffrey A Law  (

	* (post_store, pre_load): New expanders.
	(post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
	(post_ldwm, pre_stwm): Make these unnamed patterns since we never
	need to directly generate RTL for them.
	* pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding

Tue Jul 27 16:05:52 1999  David Edelsohn  <>

	* aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
	* rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
	(rs6000_cpu): Choose between 32-bit and 64-bit default processors.
	(secndary_reload_class): Make TARGET_ELF conditional compile.
	(print_operand_address): Similar.
	(output_toc): Print all values as hex.
	(get_issue_rate): Rearrange and add RS64A and PPC630.
	* rs6000.h (processor_type): Add RS64A and PPC630.
	(PROMOTE_MODE): Use word_mode.
	(RTX_COSTS): Add RS64A and PPC630.
	* (scheduling information): Add lmul and ldiv
	representing 64-bit integer multiply and divide.  Add rs64a and
	PPC630 information.
	(ashldi3): Add support for "rldic" instruction.
	* sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.

Tue Jul 27 15:31:53 1999  Vladimir Makarov  <>

	* config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
	instead of V8 for sparclite86x in cpu_table.

Tue Jul 27 17:49:42 1999  Bernd Schmidt  <>

	* config/arm/coff.h (ASM_FILE_START): If generating SDB output, call

Tue Jul 27 03:15:33 1999  Jason Merrill  <>

	* expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
	tree for op1, not the rtl.

Tue Jul 27 00:18:34 1999  Richard Henderson  <>

	* m88k.c (m88k_builtin_saveregs): Break out the constructor code
	to m88k_va_start, leaving only the register spill.
	(m88k_build_va_list): New.
	(m88k_va_start): New.
	(m88k_va_arg): New.
	* m88k.h (BUILD_VA_LIST_TYPE): New.

Mon Jul 26 19:07:11 1999  Geoff Keating  <>

	* config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
	Rename from expand_builtin_saveregs.
	* config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.

Mon Jul 26 22:52:47 1999  Richard Henderson  <>

	* i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
	for the register spill block.
	(i960_build_va_list): New.
	(i960_va_start): New.
	(i960_va_arg): New.
	* i960.h (BUILD_VA_LIST_TYPE): New.
	* (store_multiple): Use change_address on individual mems.

Mon Jul 26 22:43:12 1999  Richard Henderson  <>

	* builtins.c (stabilize_va_list): Don't INDIRECT_REF through
	(std_expand_builtin_va_start): Back out one word if !stdarg_p.
	(expand_builtin_va_end): Evaluate arg for side effects.
	* c-common.c (c_common_nodes_and_builtins): Construct a
	va_list_arg_type_node to handle array decomposition to pointer.

Mon Jul 26 18:51:34 1999  Richard Henderson  <>

	* except.c (st_dynamic_cleanup): Use force_operand on the
	buffer's address.

Mon Jul 26 16:43:26 1999  Richard Henderson  <>

	* c4x.h (EXPAND_BUILTIN_VA_ARG): New.
	* c4x.c (c4x_va_arg): New.

Mon Jul 26 12:30:09 1999  Jason Merrill  <>

	* cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
	has manual_pop set.

1999-07-26  Nathan Sidwell  <>

	* eh-common.h (__eh_matcher): Prototype correctly.

Mon Jul 26 17:24:51 1999  Philip Blundell  <>

	* config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
	(TARGET_CALLEE_INTERWORKING): Fix typo in comment.
	(TARGET_SWITCHES): Add -m{no-}single-pic-base.
	(TARGET_OPTIONS): Add -mpic-register=N.
	(ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
	output_addr_const directly.
	(PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
	ARM port.
	(thumb_pic_register, thumb_pic_register_string): Declare.

	* config/arm/thumb.c (symbol_mentioned_p): New function: Imported
	from arm.c.
	(label_mentioned_p): New function: Imported from arm.c.
	(legitimize_pic_address): New function: Imported from arm.c.
	(is_pic):New function: Imported	from arm.c.
	(thumb_finalize_pic):New function: Imported from arm.c.
	(add_constant): Cope with PIC constants.
	(fixit): Cope with PIC constants.
	(output_return): Do not treat the PIC register as live if
	(thumb_function_prologue): Do not treat the PIC register as live if
	(thumb_expand_prologue): Do not treat the PIC register as live if
	(thumb_unexpand_epilogue): Do not treat the PIC register as live if
	(thumb_print_operand): Accept '|'.
	(thumb_override_options): Process PIC options.

	* config/arm/ (movsi): Support PIC.
	(call_insn): Change "i" constraint to "X".
	(call_value_insn): Likewise.
	(consttable_4, consttable_8, consttable_end): Set and clear
	"making_const_table" as appropriate.
	(pic_load_addr, pic_add_dot_plus_four): New insns.

	* invoke.texi (Thumb Options): Fix spelling.  Document new
	options -msingle-pic-base and -mpic-register=.

1999-07-26  Andrew Haley  <>

	* config/m32r/initfini.c (__init): Use a full word immediate for
	__fini: this allows it to be placed in any memory region.

	* config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
	-mmodel=medium.  This is OK for all memory models.

Mon Jul 26 11:58:46 1999  Nick Clifton  <>

	* config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
	* config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.

Mon Jul 26 10:23:36 1999  Nick Clifton  <>

	* final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if

	* tm.texi: Document ASM_FPRINTF_EXTENSIONS.

Sun Jul 25 23:51:59 1999  Richard Henderson  <>

	* i860.c (output_delayed_branch): Disable.
	(output_delay_insn): Likewise.
	(i860_saveregs): New.
	(i860_build_va_list): New.
	(i860_va_start): New.
	(i860_va_arg): New.
	* Disable all peepholes using output_delayed_branch.
	* i860/sysv4.h (I860_SVR4_VA_LIST): New.

Sun Jul 25 23:44:13 1999  Richard Henderson  <>

	* clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
	* clipper.c (clipper_builtin_saveregs): Only dump registers.
	Return the address of the save area.
	(clipper_build_va_list): New.
	(clipper_va_start): New.
	(clipper_va_arg): New.

Sun Jul 25 22:56:47 1999  Richard Henderson  <>

	* arc.c (arc_setup_incoming_varargs): Set alias set of
	varargs save area.
	(arc_va_start): New.
	(arc_va_arg): New.

Sun Jul 25 22:45:55 1999  Richard Henderson  <>

	* alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
	* alpha.c (alpha_builtin_saveregs): Delete.
	(alpha_build_va_list): New.
	(alpha_va_start): New.
	(alpha_va_arg): New.

Sun Jul 25 21:40:33 1999  Jeffrey A Law  (

	* config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
	column zero.

	* gcc.texi: More changes related to list conversion.
	* invoke.texi: Likewise.

Sun Jul 25 18:15:39 1999  Richard Henderson  <>

	* builtins.c (expand_builtin_saveregs): Remove static, remove exp
	and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
	(expand_builtin_next_arg): Accept ARGLIST not EXP.
	(stabilize_va_list): New function.
	(std_expand_builtin_va_start): New function.
	(expand_builtin_va_start): New function.
	(get_varargs_alias_set): New function.
	(std_expand_builtin_va_arg): New function.
	(expand_builtin_va_arg): New function.
	(expand_builtin_va_end): New function.
	(expand_builtin_va_copy): New function.
	(expand_builtin): Call them.
	* c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
	(build_va_arg): New function.
	* c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
	(build_va_arg): Declare.
	* c-decl.c (ptr_type_node, va_list_type_node): New.
	* c-parse.gperf (__builtin_va_arg): New.
	* (VA_ARG): New token.
	(unary_expr): Recognize it.
	* expr.c (expand_expr): Expand VA_ARG_EXPR.
	* expr.h (std_expand_builtin_va_start): Declare.
	(std_expand_builtin_va_arg): Declare.
	(expand_builtin_va_arg): Declare.
	(get_varargs_alias_set): Declare.
	* tree.def (VA_ARG_EXPR): New.
	* tree.h (BUILT_IN_VARARGS_START): New.
	(ptr_type_node, va_list_type_node): Declare.
	* tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
	* m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
	* m88k.h, m88k.c: Likewise.
	* mn10300.h, mn10300.c: Likewise.
	* pa.h, pa.c: Likewise.
	* rs6000.h, rs6000.c: Likewise.
	* sh.h, sh.c: Likewise.
	* sparc.h, sparc.c: Likewise.

	* emit-rtl.c (operand_subword): Copy alias set.
	(change_address): Likewise.

Sun Jul 25 15:04:37 1999  Jeffrey A Law  (

	* pa.c (compute_frame_size): Scan all the used callee saved registers,
	not just the first one.

Fri Jul 23 14:09:58 1999  Philip Blundell  <>

	* config/arm/arm.h (TARGET_SWITCHES): Add
	-m{no-}single-pic-base.  Correct help string for -mshort-load-words.
	(TARGET_OPTIONS): Add -mpic-register=.
	(arm_pic_register_string): Declare.
	(NEED_PLT_GOT): Delete, replace with ...
	(NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  New macros.
	* config/arm/arm.c (arm_override_options): Add new option
	(arm_pic_register_string): New variable.
	(arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
	(output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
	register as never live.  Use NEED_PLT_RELOC not NEED_PLT_GOT.
	(output_return_instruction): Likewise.