Mercurial > hg > CbC > CbC_gcc
view gcc/ChangeLog-1997 @ 8:5066dc73ff8f
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 20 Aug 2009 19:10:35 +0900 |
| parents | a06113de4d67 |
| children | 77e2b8dfacca |
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Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com> * configure.in: Set and substitute host_exeext. Use it when creating the assembler and linker symlinks. * configure: Rebuild. * Makefile.in (exeext): Set to @host_exeext@. (build_exeext): New variable, set to @build_exeext@. (FLAGS_TO_PASS): Pass down build_exeext. (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi* programs. Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com) * mn10200.md (addsi3, subsi3): Fix thinkos. Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com> * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of save+restore. Fix pic+big_offset delay slot. Use "pic" case for unix always, since we want to be able to thunk to functions in a shared library from an application. Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com> * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a. (LIB1ASMSRC, LIB1ASMFUNCS): Define. Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com) * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the offset's mode is not ptr_mode, convert it. Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com> * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross compiling if it was already defined. Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com) * flow.c (find_basic_blocks): Don't create a new basic block for calls in a LIBCALL block. Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu> * config/fp-bit.c (L_df_to_sf): Fix typo in last change. Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com) * cse.c (rtx_cost): Remove conflicting default case. Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com> * configure.in: Move default enabling of Haifa out of for loop. * configure: Rebuild. Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. 1997-12-25 Teemu Torma <tot@trema.com> * Makefile.in (GTHREAD_FLAGS): New var. (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS). (distclean): Remove gthr-default.h. * configure.in: Accept dce as a thread package. Check for thread.h and pthread.h. Link gthr-default.h to appropriate thread file and set gthread_flags. (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and include multilib definitions from pa/t-dce-thr. (sparc-*-solaris2*): Enable threads by default, if thread.h or pthread.h is found, preferring posix threads over solaris ones. * config/pa/t-dce-thr: New file. * config/pa/t-pa: Removed multilibs. * config/sparc/t-sol2: Likewise. * gthr.h: New file. * gthr-single.h: New file. * gthr-posix.h: New file. * gthr-solaris.h: New file. * gthr-dce.h: New file. * libgcc-thr.h: Removed. * objc/thr-dce.c: New file copied from thr-decosf1.c. * frame.c: Include gthr.h instead of libgcc-thr.h. * libgcc2.c: Include gthr.h instead of libgcc-thr.h. (eh_context_initialize): If __gthread_once fails, use static eh context. (eh_context_free): Call __gthread_key_dtor. Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com) * expr.h (MUST_PASS_IN_STACK): Allow target port to override. Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com> * cse.c (max_insn_uid): New variable. (cse_around_loop): Use max_insn_uid. (cse_main): Set max_insn_uid. * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT, and define __LONG_MAX__ appropriately. Add support for -mabi=X, -mlong64, and -mgp{32,64} options. * mips.c (mips_abi): Change type to int. * mips.h (enum mips_abi_type): Delete. (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants. (mips_abi): Change type to int. Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu> * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check; optimization is now always enabled. * calls.c (expand_call): Recognize C++ operator new as malloc-like function. * alias.c (memrefs_conflict_p): Eliminate tests now done by base_alias_check. (*_dependence): Call canon_rtx before base_alias_check. (init_alias_once): New function to precompute set of registers which can hold Pmode function arguments. * rtl.h: Declare init_alias_once. * toplev.c (compile_file): Call init_alias_once. Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com) * tree.c (restore_tree_status): Do not dereference a null pointer. Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com> * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to RLIMIT_STACK. This maintains consistency with the recent, similar patch to cccp.c and toplev.c. Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com> * genattrtab.c (expand_units): For large nr opclasses, expand function_units_used with ORX to prevent blowups. Tag with FFS. (num_unit_opclasses): New variable. (gen_unit): Update it. (enum operator): Add ORX_OP. (operate_exp): Treat ORX as or, except don't expand across an if. Reuse number rtx's after operating on them. (check_attr_value): Accept IOR, AND, & FFS. (write_test_expr): Transmute `in_comparison' to `flags'. Allow for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE. (write_expr_attr_cache, write_toplevel_expr): New functions. (write_attr_get): Handle FFS-tagged expressions. (make_canonical): Don't expand const attributes. (convert_const_symbol_ref): Dike out. (evaluate_eq_attr): Handle SYMBOL_REF. (main): Don't emit get_attr_foo for const attributes. * alpha.c (override_options): Reinstate PROCESSOR_EV6. (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests. * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly. * alpha.md: Redo all of the scheduling, adding EV6 support, and combining function units where possible. (attr "type"): Split loads, stores, cmov into int/fp. Combine multiplies and divides. Add EV6 sqrt, ftoi, itof. (attr "opsize"): New attribute. (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns. (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX to control register allocation. (movsi2-1, movdi2-1): Likewise. Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com> * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC): Move OSF/1 specific defines out. * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS): Move Linux specific defines out. (LINK_SPEC): Genericize. (ASM_FILE_START): Emit .arch if using more than the base insn set. (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version. (SDB_DEBUGGING_INFO): Remove; gas can't handle it. (HANDLE_SYSV_PRAGMA): Define. * alpha/osf.h: New file. * alpha/linux.h: Split. Retain file-format independent defines. Import Linux bits from elf.h. (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES. (FUNCTION_PROFILER): _mcount takes its address in $28. (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef. * alpha/linux-ecoff.h: New file. * alpha/linux-elf.h: New file. * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h. * alpha/win-nt.h (TARGET_DEFAULT): Define. * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]: Add new headers as appropriate. * configure.in (alpha*): Enable Haifa by default. (*-*-winnt3*): Change to winnt*, since we're not v3 specific. * configure: Rebuild. Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com> * Makefile.in (clean): Remove the stages with their objects here ... (distclean): ... instead of here. Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * cse.c (rtx_cost): Add default case in enumeration switch. * fix-header.c (recognized_macro): Likewise. (recognized_extern): Likewise. (write_rbrac): Likewise. * objc/objc-act.c (encode_aggregate): Likewise. (gen_declarator): Likewise. (gen_declspecs): Likewise. Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (create_reg_dead_note): Detect and handle another case where we kill more regs after sched than were killed before sched. * sched.c (create_reg_dead_note): Similarly. Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com) * c-pragma.c: Include flags.h. Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu> * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything about system headers. (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32 and also to resolve symbols in prefix.c. * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict between gansidecl.h and newlib's _ansi.h when building libgcc2.a, when the definitions in auto-config.h is not visible. (HAVE_BZERO): Likewise. (HAVE_BCMP): Likewise. (HAVE_RINDEX): Likewise. (HAVE_INDEX): Likewise. Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com) * pa.c (emit_move_sequence): Handle a function label source operand. Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com> * c-pragma.c (handle_pragma_token): Generate warning messages about unknown pragmas if warn_unknown_pragmas is set. * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command line option to set variable: warn_unknown_pragmas. Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de> * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the definition. (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'. Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define. (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to generate more fine grained floating point emulation libraries. * config/fp-bit.c: Add protecting #ifdef to all functions so that they can be compiled separately. If !FINE_GRAINED_LIBRARIES, then compile all suitable functions. (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two underscores to avoid namespace pollution. * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c. (FPBIT): Define. * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c. (FPBIT): Define. (DPBIT): Define. Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> Jeff Law <law@cygnus.com> * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning of the declaration. * c-decl.c (finish_decl): Use parentheses around && within ||. * rtl.c: Include stdlib.h. (read_skip_spaces): Add parentheses around assignments used as truth values. (read_rtx): Initialize list_rtx. * cppexp.c (parse_number): Use || when operands are truth values. * alias.c (find_base_value): Add default case. (memrefs_conflict): Likewise. * combine.c (sets_function_arg_p): Likewise. * genemit.c (gen_exp): Likewise. * local-alloc.c (contains_replace_regs): Likewise. * rtlanal.c (jmp_uses_reg_or_mem): Likewise. * fold-const.c (fold_convert): Use "&&" for truth values. (fold): Add default case. * sdbout.c (sdbout_field_types): Fix typo in declaration. (sdbout_one_type): Add default case. * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS. (some_operand): Add default case. (input_operand): Likewise. (signed_comparison_operator): Likewise. (divmod_operator): Likewise. (alpha_set_memflags_1): Likewise. * reload1.c (reload_cse_simplify_operands): Ensure function always returns a value. * scan-decls.c (scan_decls): Likewise. * c-lex.c (skip_white_space): Fix typo in declaration. * c-typeck.c (comp_target_types): Add parentheses around assignment used as truth value. (print_spelling): Likewise. (constructor_implicit, constructor_result): Remove unused variables. * collect2.c (scan_library): Protect prototype with #ifdef SCAN_LIBRARIES. * emit-rtl.c (find_line_note): Fix typo in declaration. * final.c (asm_insn_count): Protect prototype with #ifdef HAVE_ATTR_length. * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC. (try_pre_increment_1, try_pre_increment): Likewise. * regclass.c (auto_inc_dec_reg_p): Protect prototype with #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit. * gcov-io.h (__store_long, __write_long, __read_long): Fix unsigned/signed comparisons. * gcov.c (read_files): Remove unused "first_type" variable. (scan _for_source_files): Initialize s_ptr. (function_summary): Eliminate "%lf" formatting, use %ld for longs. (output_data): Initialize branch_probs and last_line_num. Eliminate "%lf" formatting, use "%ld" for longs. Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com> * mips16.S: New file. * libgcc2.c (varargs): Handle mips16. * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an expression. * stmt.c (expand_end_case): Likewise. * alpha.h (CASE_VECTOR_PC_RELATIVE): Update. * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise. * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise. Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in the build directory. (libobjc.a): Update dependency list. (libobjc.dll): Likewise. Use libobjc_entry.o from the build directory. (objc/sendmsg.o): Add -Iobjc to find runtime-info.h. (objc.mostlyclean): Remove runtime-info.h. Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com> * tree.c (build_range_type): Allow creation of ranges with no maximum. * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE. * dwarf2out.c (add_subscript_info): Likewise. * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise. * sdbout.c (plain_type_1): Likewise. * stmt.c (pushcase_range, all_cases_count, node_has_high_bound): Likewise. * fold-const.c (int_const_binop, fold_convert, make_range, fold): Likewise. Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * mips.c (fatal): Remove declaration. 1997-12-18 Mark Mitchell <mmitchell@usa.net> * integrate.c (get_label_from_map): New function. (expand_inline_function): Use it. Initialize the label_map to NULL_RTX instead of gen_label_rtx. (copy_rtx_and_substitute): Use get_label_from_map. * integrate.h (get_label_from_map): New function. (set_label_from_map): New macro. * unroll.c (unroll_loop): Use them. (copy_loop_body): Likewise. Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com> * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined. (INIT_TARGET_OPTABS): Define. * mips/ecoff.h: Include gofast.h before mips.h. (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS. * mips/elf64.h: Likewise. * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define. Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c: Remove register_exception_table{,_p}. Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com> * unroll.c (calculate_giv_inc): Handle constant increment found in a MEM with an appropriate REG_EQUAL note. * calls.c (expand_call): Implement LOAD_ARGS_REVERSED. * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the frame pointer in the prologue. Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com> * i386/x-sco5 (CLIB): Deleted. (ALLOCA): Added. * i386/xm-sco5.h (USE_C_ALLOCA): Added. Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com> * config/m68k/m68k.c (output_function_prologue): Typecast dwarf2out_cfi_label to (char *). * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "". Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com> * sparc.md (jump): Don't use the annul bit around an empty loop. Patch from Kevin.Kelly@East.Sun.COM. Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com) * jump.c (jump_optimize): Don't use the return register as a source1 of a conditional move. Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com> * sparc.c (DF_MODES): Or the mask not the bit number. (function_arg) [ARCH64]: Send unprototyped arg to fp reg first. Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> * combine.c (force_to_mode): Return immediately if operand is a CLOBBER. Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de> * fixincludes (size_t): Add support for Motorola's stdlib.h which fails to provide a definition for size_t. (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3. (strlen,strspn,strcspn return value): Handle different layout on sysV88. (hypot): Provide a fake for hypot for m88k-motorola-sysv3. * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to prevent unresolved externals in libio. * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise. Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org) * config/sparc/linux64.h (LIBGCC_SPEC): Removed. (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}. (LIB_SPEC): Updated for glibc 2. Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com) * ginclude/stdarg.h: Undo BeOS changes, they break hpux. * ginclude/varargs.h: Likewise. Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org) * frame.h (__register_frame, __register_frame_table, __deregister_frame): New. * frame.c (__register_frame, __register_frame_table, __deregister_frame): New. * frame.c (__deregister_frame_info): Return void *. * frame.h (__deregister_frame_info): Likewise. * collect2.c (__deregister_frame_info): Likewise. Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com> * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG. Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com> * alpha.c (alpha_cpu_name): New variable. (alpha_mlat_string): Likewise. (alpha_memory_latency): Likewise. (override_options): Handle -mmemory-latency. (alpha_adjust_cost): Adjust load cost for latency. * alpha.h (TARGET_OPTIONS): Add memory-latency. (REGISTER_MOVE_COST): Define in terms of memory_latency. Take TARGET_CIX into account. (MEMORY_MOVE_COST): Define in terms of memory_latency. * invoke.texi (DEC Alpha Options): Document -mmemory-latency. * alpha.h (ASM_COMMENT_START): New macro. Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com> * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c, dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change. * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the SUBREG_REG if the word count is unchanged. * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve subregs of identical word size for push_reload. Mon Dec 15 11:41:32 1997 Mark Mitchell <mmitchell@usa.net> * toplev.c (rest_of_compilation): Don't call save_for_inline_copy if all we're doing is dealing with -Wreturn-type. Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com> * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2): Use and 255 instead of zapnot 1, since it schedules better. Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com) * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat it as volatile. Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on dependency we delete. Properly update prev for multiple consecutive deletions. (priority): Skip deleted dependence. Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com> * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod. Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com> * flow.c (flow_analysis): Be consistent with find_basic_blocks in determining when a new basic block starts. * alpha/osf2or3.h (LIB_SPEC): Restore missing defn. * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS. * pa.md (iorsi3): Add missing args to *_operand calls. * except.c (call_get_eh_context): Don't mess with sequences. (emit_eh_context): Include the call in the sequence here. 1997-12-11 Paul Eggert <eggert@twinsun.com> * collect2.c (write_c_file_glob): Allocate initial frame object in static storage and pass its address. Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c (call_get_eh_context): Don't take a parm. Put the call at the top of the function. (emit_eh_context): Adjust. (get_eh_context): Replace with former use_eh_context. (get_eh_context_once, get_saved_pc_ref): Remove. (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove. * except.h: Adjust. * integrate.c (expand_inline_function): Adjust. * toplev.c (rest_of_compilation): Don't call emit_unwinder. Fri Oct 10 17:58:31 1997 Marc Lehmann <pcg@goof.com> * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define. (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise. Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de> * fixincludes (strlen,strspn,strcspn return value): Handle different layout on sysV88. (hypot): Provide a fake for hypot which is broken on m88k-motorola-sysv3. Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu> * tree.c, tree.h: Change tree_code_type, tree_code_length, and tree_code_name from pointers to arrays. * tree.c: Remove standard_tree_code_* variables, no longer used. * print-tree.c: Remove declaration of tree_code_name. * cp/lex.c (init_lex): Update for tree_code_* changes. * objc/objc-act.c (init_objc): Likewise. * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code changes. Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com> * config.sub: Add support for BeOS target. * configure.in: Likewise. * ginclude/stdarg.h: Likewise. * ginclude/stddef.h: Likewise. * ginclude/varargs.h: Likewise. * rs6000/beos.h: New file for BeOS. * rs6000/t-beos: Likewise. * rs6000/x-beos: Likewise. * rs6000/xm-beos.h: Likewise. * toplev.c (get_run_time): Just return 0 on BeOS. Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com) Toon Moene (toon@moene.indiv.nluug.nl) * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly old and broken Sun3 assemblers. Newer versions handle large offsets correctly as does the GNU assembler. Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * objc/objc-act.c (lang_report_error_function): Disable. * objc/objc-parse.y: Include "output.h". (yyerror): Remove redundant decl. (yyprint): Fix prototype. (apply_args_register_offset): Remove redundant decl. (get_file_function_name): Likewise. Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com> * flow.c (find_basic_blocks): A CALL_INSN that can throw starts a new basic block. (find_basic_blocks_1): Likewise. Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c (use_eh_context): Don't copy_rtx a REG. (emit_throw): Lose old unwinder support. (expand_internal_throw): Likewise. * libgcc2.c (struct eh_context): Likewise. (new_eh_context): Likewise. (__get_eh_info): Lose redundant cast. (__get_dynamic_handler_chain): Likewise. (__get_saved_pc): Lose. Lose all old unwinder support code. Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com> Thread-safe EH support for pthreads, DCE threads and Solaris threads. * integrate.c (expand_inline_function): If the inline fn uses eh context, make sure that the current fn has one. * toplev.c (rest_of_compilation): Call emit_eh_context. * except.c (use_eh_context): New fn. (get_eh_context_once): New fn. (call_get_eh_context): New fn. (emit_eh_context): New fn. (get_eh_context): Call either get_eh_context_once or call_get_eh_context, depending on what we have. (get_dynamic_handler_chain): Call get_eh_context_once. * except.h: Prototypes for fns above. * optabs.c (get_eh_context_libfunc): Removed. (init_optabs): Don't initialize it. * expr.h (get_eh_context_libfunc): Removed. * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT. * config/pa/pa.h (CPP_SPEC): Support for -threads. * config/pa/pa-hpux10.h (LIB_SPEC): Likewise. * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): New multilib for -threads. * config/sparc/t-sol2: Added multilibs for -threads and made -pthreads alias to it. * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC): Added -threads and -pthreads options. * libgcc-thr.h: New file. * libgcc2.c (__get_cpp_eh_context): Removed. (struct cpp_eh_context): Removed. (struct eh_context): Replaced cpp_eh_context with generic language specific pointer. (__get_eh_info): New function. (__throw): Check eh_context::info. (__sjthrow): Likewise. * libgcc2.c: Include libgcc-thr.h. (new_eh_context, __get_eh_context, eh_pthread_initialize, eh_context_initialize, eh_context_static, eh_context_specific, eh_context_free): New functions. (get_eh_context, eh_context_key): New variables. (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use get_eh_context to get the context. (longjmp): Move the declaration inside #ifdef DONT_USE_BUILTIN_SETJMP. * frame.c: Include libgcc-thr.h. (object_mutex): Mutex to protect the object list. (find_fde, __register_frame, __register_frame_table, __deregister_frame): Hold the lock while accessing objects. * except.h (get_eh_context): Declare. * except.c (current_function_ehc): Define. (current_function_dhc, current_function_dcc): Removed. (get_eh_context): New function. (get_dynamic_handler_chain): Use get_eh_context. (get_saved_pc_ref): Likewise. (get_dynamic_cleanup_chain): Removed references to current_function_dcc. (save_eh_status, restore_eh_status): Save and restore current_function_ehc instead. * optabs.c (get_eh_context_libfunc): New variable. (init_optabs): Initialize it. * expr.h: Declare get_eh_context_libfunc. * function.h (struct function): Replaced dhc and dcc with ehc. * except.c (get_saved_pc_ref): New functions. (eh_saved_pc_rtx, eh_saved_pc): Deleted. (expand_internal_throw_indirect): Use get_saved_pc_ref() instead of eh_saved_pc. (end_eh_unwinder): Likewise. (init_eh): Remove initialization of eh_saved_pc. * optabs.c (get_saved_pc_libfunc): New variable. (init_optabs): Initialize it. * expr.h: Declare get_saved_pc_libfunc. * except.h (eh_saved_pc_rtx): Deleted. (get_saved_pc_ref): Declared. From Scott Snyder <snyder@d0sgif.fnal.gov>: * libgcc2.c (__get_saved_pc): New. (__eh_type, __eh_pc): Deleted. (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc. (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside this fcn. Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu> * sparc/sol2.h: Use 64 bit multiply and divide functions in Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE as 0. * rtl.h (global_rtl): New variable, replacing separate variables for commonly used rtl. (const_int_rtx): Now array of rtx_def, not rtx. * emit-rtl.c: Update for new rtl data structures. * genattrtab.c: Define global_rtl. Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu> * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by default. Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com> * crtstuff.c (__do_global_ctors): Fix typo. Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de> * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition to RLIMIT_STACK to see if we can call getrlimit and setrlimit. Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu> * rs6000.h (FUNCTION_ARG_PADDING): Define. * rs6000.c (function_arg_padding): New function. Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de> * m68k.c: Include tree.h only once. Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc. Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com) * Partially cleaned up prototyping code from HJ. * tree.h: Add many prototypes. * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn. All references changed. * rtl.h: Protect from multiple inclusions. Add many prototypes. Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com> * libgcc2.c (string.h): Hoist inclusion to occur before first use of string functions like strlen. Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de> * configure.in: Check for functions getrlimit and setrlimit. * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition to RLIMIT_STACK to see if we can call getrlimit and setrlimit. Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu> * Makefile.in (compare*): Handle losing behavior from 4.4bsd make. Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com> * alpha.c (REG_RA, alpha_return_addr, output_epilog): Fix merge problems. * alpha.c (override_options): Don't know about scheduling for EV6. * alpha.md (ev5 function units): Don't overload as ev6. * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case. * alpha.md (define_attr type): Add mvi. (ev5_e0): Define sceduling parameters for it. (TARGET_MAX insns): Type is mvi not shift. Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com> * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug. Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * cstamp-h, auto-config.h: Delete. Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com) * cccp.c: Fix typo brought over in merge. * Merge in changes from gcc-2.8. Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be> * m68k.c: Include tree.h for dwarf2out_cfi_label. * gcc.c (process_command): Do not take address of function fatal when calling lang_specific_driver. Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu> * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling doesn't work with it yet, so set it to 0. * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define. Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> * cse.c (cse_insn): Check for invalid entries when taking references. Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * loop.c (invariant_p): Don't test flag_rerun_loop_opt. (loop_optimize, scan_loop, strength_reduce): New argument unroll_p. * toplev.c (rest_of_compilation): Pass it. Remove code to save / clear / restore flag_unroll_{,all_}loops. Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> * i386.c (notice_update_cc): Remove bogus pentium GCC code. Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com) * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR. Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c (get_dynamic_handler_chain): Only make the call once per function. * except.c (expand_end_all_catch): Fix for sjlj exceptions. Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sh.c (final_prescan_insn): Use local label prefix when emitting .uses pseudo-ops. Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc. * except.c: Lose outer_context_label_stack. (expand_eh_region_end): Rethrow from outer_context here. (expand_fixup_region_end): Let expand_eh_region_end do the rethrow. (expand_internal_throw): Take no args. (expand_internal_throw_indirect): Lose. (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow. (expand_start_all_catch): Start a rethrow region. (expand_end_all_catch): End it. (expand_rethrow): New fn. * except.h: Reflect above changes. * flow.c: Revert change of Nov 27. Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com) * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer. Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c (expand_fixup_region_end): New fn. (expand_fixup_region_start): Likewise. (expand_eh_region_start_tree): Store cleanup into finalization here. * stmt.c (expand_cleanups): Use them to protect fixups. Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com> * mips/mips.md (muldi3_r4000): Broaden the output template and attribute assignments to handle three operand dmult; rename to muldi3_internal2. (muldi3): Call the new muldi3_internal2 for R4000, and any GENERATE_MULT3 chip. Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com> * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start. Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com> * unroll.c (find_splittable_givs): Remove last change. Handle givs with a dest_reg that was created by loop. Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu> * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch. * rs6000/aix41.h (ASM_CPU_SPEC): Define. Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com) * configure.in: Fix NCR entries. Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com) * flow.c (find_basic_blocks): Handle cfg issues for rethrows and nested exceptions correctly. * unroll.c (find_splittable_givs): Don't split givs with a dest_reg that was created by loop. Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com> * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR. * except.c (expand_start_all_catch): One more do_pending_stack_adjust. Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com> * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs. (print_operand): Use SMALL_DATA_REG for the register involved in small data relocations. (print_operand_address): Likewise. * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if -dynamic linker is not used. * rs6000.md (call insns): For local calls, use @local suffix under System V. Don't use @plt under Solaris. * rs6000.c (output_function_profiler): Put label address in r0, and store LR in 4(sp) for System V/eabi. * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16 byte boundary, and maintain stack backchain. Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, fix_truncsfdi2): Change *. Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com> * toplev.c (main): Complain about -gdwarfn. Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com> * dwarfout.c (output_type): If finalizing, write out nested types of types we've already written. Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com> (patches originally from Geoffrey Keating) * rs6000.c (function_arg): Excess floating point arguments don't go into GPR registers after exhausting FP registers under the System V.4 ABI. (function_arg_partial_nregs): Likewise. * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt suffix to calls. Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com> * integrate.c (output_inline_function): Just unset DECL_INLINE. Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov> * dwarf2out.c (outout_call_frame_info): Ensure that the info has proper alignment. * libgcc2.c (__throw): Initialize HANDLER. Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, fix_truncsfdi2): Change *X to ?*X. Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com) * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling. Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com) * crtstuff.c (do_global_dtors_aux): Handle multiple calls better. Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr> * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement. Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com> * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL. * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc. * expr.h: Likewise. Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com) * pa-hpux10.h (NEW_HP_ASSEMBLER): Define. * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using gas and not using the new HP assembler. Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (program_transform_cross_name): Clean up "-e" confusion. (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise. Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com> * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for TARGET_ENDIAN_DEFAULT == zero instead of testing for macro definition. Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> * stmt.c (expand_end_bindings): Allow jump into block with cleanups. Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com> * except.h: Add outer_context_label_stack. * except.c: Likewise. (expand_start_all_catch): Push the outer_context for the try block onto outer_context_label_stack. (expand_end_all_catch): Use it and pop it. Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h (HAVE_ATEXIT): Revert last change. Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com> * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better. Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de> * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com> * Makefile.in (LIB2FUNCS): Remove C++ memory management support. * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler, __builtin_delete, and __builtin_vec_delete. * except.c (output_exception_table): Don't bother with __EXCEPTION_END__. Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com) * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register is an in/out operand. (zero extended variants of stwm/stwm patterns): Similarly. * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE. Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com> * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4. Use assemble_name. (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name. (output_call_frame_info): Emit a \n after using it. Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk> * configure.in: Add AC_ARG_ENABLE for Haifa as documentation. Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be> * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros. (ASM_OUTPUT_DWARF_VALUE4): New macro. (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is defined. (output_call_frame_info): Do not output forward label differences if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined. * m68k/mot3300.h (SET_ASM_OP): Define when not using gas. Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sh.md (attribute "type"): Add nil. (movsi_ie): y/y alternative is type nil. (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X alternatives. (movsf_ie+1): Delete. Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com> * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are large_int, emit two insns instead of one splitable insn. * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset from cfa_temp_value, use cfa_offset. Add assert checking that cfa_reg is SP. Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com> * cccp.c (deps_output): Properly quote file names for make. Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com) * t-h8300 (MULTILIB_EXCEPTIONS): Define. Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h (HAVE_ATEXIT): Delete definition. Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com) * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditional return. (cse_end_of_basic_block): Similarly. Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com> * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define. (SELECT_RTX_SECTION): Define. (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC. Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de> * Makefile.in (compare, compare-lean): Define $stage for each shell command. (gnucompare, gnucompare-lean): Likewise. Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com) * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets. * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com) * dwarfout.c (byte_size_attribute): Add local var upper_bound and add case to handle STRING_TYPE. * dwarfout.c (output_string_type_die): Fix code to generate correct string length attribute for fixed length strings. Still needs support for varying length strings. Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com) * toplev.c (get_run_time): Do something sensible for cygwin32. Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com> * expr.c (expand_builtin_setjmp): Set current_function_has_nonlocal_label. * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill call-saved registers across calls. * alpha.md (exception_receiver): Remove. (nonlocal_goto_receiver_osf): New. (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver. (nonlocal_goto_receiver): New, select _osf or _vms. * alpha.c (output_prolog [*]): Prefix entry labels with '$' to keep them from being propagated to the object file. (alpha_write_linkage): Likewise. * alpha.md (call_vms): Likewise. (call_value_vms): Likewise. (unnamed osf call insns): Likewise. * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label. (ASM_GENERATE_INTERNAL_LABEL): Likewise. * alpha.c (call_operand): Any reg is valid for WinNT. * alpha.md (call_nt, call_value_nt): Don't force address into $27. (anon nt calls): Add 'R' alternative. * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs. Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com) * calls.c (expand_call): Handle pcc_struct_value correctly for C++. * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines. * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com> * reload1.c (new_spill_reg): Improve fixed or forbidden register spill error message. Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise, use varargs.h. Wrap header with <>, not "". Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com) * integrate.c (save_for_inline_copying): Add return value from savealloc. Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com> * fixincludes: Be a little more restrictive on what we will substitute to replace definitions of MAXINT for HPUX. Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com> * dbxout.c (dbxout_symbol_location): Don't assume that variables whose address is the stack or argument pointers are indirect pointers. 1997-11-13 Paul Eggert <eggert@twinsun.com> * cccp.c, cpplib.c (compare_defs): Don't complain about arg name respellings unless pedantic. * cpplib.c (compare_defs): Accept pfile as new arg. All callers changed. Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * fold-const.c (fold_truthop): Fix bug in last change. 1997-11-13 Paul Eggert <eggert@twinsun.com> Fix some confusion with IEEE minus zero. * real.h (REAL_VALUES_IDENTICAL): New macro. * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros. * fold-const.c (operand_equal_p): Don't consider -0.0 to be identical to 0.0. * tree.c (simple_cst_equal): Don't consider -0.0 to have the same tree structure as 0.0. * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL macro instead of doing it by hand. Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com) * v850/lib1funcs.asm: Minor whitespace changes. * v850.c: Fix minor formatting problems in many places. (construct_restore_jr, construct_save_jarl): Remove unwanted aborts. Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com> * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and xplus1 when xplus0 is not a register. Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com) * flow.c (find_basic_blocks): During marking phase, if we encounter an insn with a REG_LABEL note, make the target block live and create an edge from the insn to the target block. Do not make edges from all blocks to the target block. * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers. * confiugre.in: Tweak NCR entries. * configure: Rebuilt. Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com> * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to pick apart floating point values, instead of using CONST_DOUBLE_LOW and CONST_DOUBLE_HIGH. * rs6000.md (define_splits for DF constants): Use the appropriate REAL_VALUE_* interface to pick apart DF floating point constants in a machine independent fashion. Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * fold-const.c (fold_truthop): When changing a one-bit comparison against zero into a comparison against mask, do a proper sign extension. Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com) * except.c: Do not include "assert.h". (save_eh_status): Turn asserts into conditional aborts. (restore_eh_status, scan_region): Likewise. * dwarfout.c: Do not include "assert.h". (bit_offset_attribute): Turn asserts into conditional aborts. (bit_size_attribute, output_inlined_enumeration_type_die): Likewise. (output_inlined_structure_type_die): Likewise. (output_inlined_union_type_die): Likewise. (output_tagged_type_instantiation): Likewise. (dwarfout_file_scope_decl): Likewise. * dwarf2out.c: Do not include "assert.h" (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts. (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise. (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise. (add_bit_size_attribute, scope_die_for): Likewise. (output_pending_types_for_scope): Likewise. (get_inlined_enumeration_type_die): Likewise. (get_inlined_structure_type_die): Likewise. (get_inlined_union_type_die, gen_subprogram_die): Likewise. (gen_tagged_type_instantiation_die): Likewise. * flow.c (find_basic_blocks): Refine further to get a more correct cfg, especially in the presense of exception handling, computed gotos, and other non-trivial cases. Call abort if an inaccuracy is detected in the cfg. Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts. * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions. (skip_white_space): Use whitespace_cr. (check_newline): Handle whitespace more consistently. Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com> * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX. * i386/xm-cygwin32.h (POSIX): Define. Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com> * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit is available elsewhere. Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com> * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match what the instruction can handle. Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com> * stmt.c (expand_decl_cleanup_no_eh): New fn. * except.c (expand_leftover_cleanups): do_pending_stack_adjust. Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com) * alias.c (MAX_ALIAS_LOOP_PASSES): Define. (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES. Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu> * rs6000.md (lshrdi3_power): Delete '&' from first alternative and swap instruction order. Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com) * fixinc.svr4 (__STDC__): Add another case. Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying addresses in the epilogue delay slot. Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de) * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace in generated `specs' file. Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com) * flags.h (flag_rerun_loop_opt): Declare. * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt. * toplev.c (flag_rerum_loop_opt): Delete static. Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk> Bring over from FSF: Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * va-sh.h (__va_arg_sh1): Define. (va_arg): Use it. SH3E doesn't use any integer registers for subsequent arguments once a non-float value was passed in the stack. * sh.c (machine_dependent_reorg): If optimizing, put explicit alignment in front label for ADDR_DIFF_VEC. * sh.h (PASS_IN_REG_P): Fix SH3E case. (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length. Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including svr4.h. Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sh.c (machine_dependent_reorg): When -flag_delayed_branches, put an use_sfunc_addr before each sfunc. * sh.md (use_sfunc_addr, dummy_jump): New insns. (casesi): For TARGET_SH2, emit a dummy_jump after LAB. Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine. Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com> * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for linked once FDEs. Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com) * alias.c (find_base_value): Only return the known base value for pseudo registers. Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com> * i386.c (load_pic_register): Call prologue_get_pc_and_set_got. * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE to pattern. (prologue_get_pc_and_set_got): New pattern. Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com) * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse for SUBREG, just fall through. * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero. * alpha.md (attr trap): Make TRAP_YES nonzero for sanity's sake. Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com) * fixincludes: Fix "hypot" prototype in NeXT math.h. * Makefile.in (USE_ALLOCA): Always include alloca.o. (USE_HOST_ALLOCA): Likewise. * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES and LABEL_REFS fields. * rtl.h (LABEL_REFS): Update. Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com> * combine.c (try_combine): When setting elim_i2, check whether newi2pat sets i2dest. When calling distribute_notes for i3dest_killed, pass elim_i2 and elim_i1. When setting elim_i1, check if newi2pat sets i1dest. * mips.md (insv, extzv, extv): Add change_address call. (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern. * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc. * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants. * mips.c (mips_expand_epilogue): Emit blockage insn before call to save_restore_insns if no FP and GP will be restored. * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode. Convert CCmode to word_mode before calling GET_MODE_SIZE. * acconfig.h (HAVE_INTTYPES_H): Undef. * configure.in (inttypes.h): Check for conflicts between sys/types.h and inttypes.h, and verify that intmax_t is defined. * config/mips/x-iris (CC, OPT, OLDCC): Comment out. * config/mips/x-iris3: Likewise. Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com) * alias.c (find_base_value): When copying arguments, return the tentative value for a hard register. Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com> * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling. (yylex): Record wide strings using target endianness, not host. Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com) * mn10200.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro. * mn10300.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro. * v850.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro. Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP. Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com) * configure.in (sco5): Use cpio to install header files. Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de> * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to 14 char length. * configure: Rebuild. Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h: Enable -gstabs once again. Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com) * arm.c (output_move_double): Allocate 3 entries in otherops array. Sat Nov 1 21:43:00 1997 Mike Stump <mrs@wrs.com> * except.c (expand_eh_region_start_for_decl): Emit EH_REGION_BEG notes for sjlj exceptions too. (expand_eh_region_end): Similarly for EH_REGION_END notes. (exception_optimize): Optimize EH regions for sjlj exceptions too. * final.c (final_scan_insn): Don't output labels for EH REGION notes if doing sjlj exceptions. Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com) * alias.c (init_alias_analysis): Handle -fno-alias-check when optimizing correctly. * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note or set current_function_calls_setjmp anymore. * flow.c (find_basic_blocks): If we delete the label for an exception handler, remove it from the EH label list and remove the EH_BEGIN/EH_END notes for that EH region. Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com) * flow.c (find_basic_blocks): Generate correct flow control information when exception handling notes are present. Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com) * dwarf2out.c (output_call_frame_info): Fix length argument to ASM_OUTPUT_ASCII. (output_die, output_pubnames, output_line_info): Likewise. Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if flag_debug_asm is on. (output_die, output_pubnames, output_line_info): Likewise. * alias.c (init_alias_analysis): Add struct_value_incoming_rtx and static_chain_rtx into the potential base values array if they are registers. * alias.c (new_reg_base_value): New array of potential base values. (unique_id): Now file scoped static. (find_base_value, case REG): Return the value in reg_base_value array for the REG if it exists. Else, return the value from new_reg_base_value if copying args and REG is a hard register. (find_base_value, case PLUS): If either operand of the PLUS is a REG, try to get its base value. Handle base + index and index + base. (record_set): Use new_reg_base_value instead of reg_base_value. (init_alias_analysis): Allocate space for new_reg_base_value too. Rework code to iterate over the insns propagating base value information until nothing changes. * global.c (global_alloc): Free the conflict matrix after reload has finished. Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (L_eh): Define __eh_pc. Replace __eh_type with generic pointer __eh_info. Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk> * expr.c (expand_increment): When enqueing a postincrement for a MEM, use copy_to_reg if address is not a general_operand. Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * profile.c (output_func_start_profiler): Clear flag_inline_functions for the duration of the call to rest_of_compilation. Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com> * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf. Set extra_parts. (sparc*-*-*): Recognize --with-cpu=v9. * sparc/elf.h: New file. * sparc/t-elf: New file. Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com) * mn10300.c (const_8bit_operand): New function. (mask_ok_for_mem_btst): New function. * mn10300.md (btst patterns with mem operands): Use new functions to avoid creating btst instructions with invalid operands. Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com> * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we are running on PowerPC Linux. Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com> * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define if not previously defined. Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com) * function.c (assign_parms): Correct mode of stack_parm if entry_parm underwent a mode conversion. 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com> * global.c (global_alloc): Use xmalloc instead of alloca for CONFLICTS, since max_allocno * allocno_row_words alone can be more than 2.5Mb sometimes. Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com> * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of DEST for the spill, adjust mode of SRC to compensate. Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com> * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p, since any_memory_operand() allows pseudos during reload. (reload_inhi, reload_outqi, reload_outhi): Likewise. Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com> * m68k.md (btst patterns): Add 5200 support. Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl> * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3) optimizations, look inside dividend to determine if the expression can be simplified by using EXACT_DIV_EXPR. Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com> From Brendan: * dwarf2out.c (output_call_frame_info): Use l1 instead of ".". Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com> * alpha.c (summarize_insn [SUBREG]): Propagate SET. Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com> * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap on a CLOBBER. Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com> * alpha.md (movqi, movhi): Make sure new insns created during reload won't need reloading themselves. (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise. Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com) * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg. Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com> * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask. Patch from Klaus Kaempf <kkaempf@progis.de>. Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com) * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference to an element in a constant string. Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com> * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32 bit PC-relative offset. The exception range table pointer is now in the CIE. * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta. (count_fdes, add_fdes, get_cie): Adjust. (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses. From H.J. Lu: * frame.c (count_fdes, add_fdes): Skip linked once FDE entries. Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com> * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just like stack_pointer_rtx. Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de> * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap targets using "$@" to provide support for similar but not identical targets without having to duplicate code. (bootstrap4): New goal. * Makefile.in (compare, compare-lean, compare3): Combined to one ruleset determining actions to be performed via $@. (compare4, compare4-lean): New targets. (gnucompare, gnucompare3): Combined to one ruleset determining actions to be performed via $@. Also, note which files failed the comparison test in .bad_compare. (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets. Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl> * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR if the dividend is a multiple of the divisor. Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions. * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC, and POS_DEC. * alias.c (true_dependence): Fix typo. * toplev.c (flag_rerun_loop_opt): New variable. (f_options): Handle -frerun-loop-opt. (rest_of_compilation): If -frerun-loop-opt, then run the loop optimizer twice. (main): Enable -frerun-loop-opt by default for -O2 or greater. * loop.c (simplify_giv_expr): Adding two invariants results in an invariant. Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com> * expr.c (get_inner_reference): Remove the array bias after converting the index to Pmode. Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com) * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug. (TARGET_MULT_BUG): Define. (TARGET_DEFAULT): Default to TARGET_MULT_BUG. * mn10300.md (mulsi3): Handle TARGET_MULT_BUG. Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com) * mn10200.c (indirect_memory_operand): Delete unused function. * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'. * mn10200.md (bset, bclr insns): Handle output in a reg too. Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com> * alpha.md (call patterns): Revert Oct 16 change; if we are to elide the callee's ldgp, we must do it ourselves, and we use the jsr tag for more than scheduling. Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com> * sparc/sparc.h (ASM_SPEC): Delete asm_arch. Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com) * mn10300.c (symbolic_operand, legitimize_address): New functions. * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address. (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic. Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string for FILENAME. Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com) * toplev.c (flag_exceptions): Default value is 2. (compile_file): If flag_exceptions still has the value 2, then set it to 0. * rs6000.c (struct machine_function): Add pic_offset_table_rtx. (rs6000_save_machine_status): Save pic_offset_table_rtx. (rs6000_restore_machine_status: Restore pic_offset_table_rtx. * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions are shared. * rs6000.md (*movsi_got_internal_mem): New pattern. (*movsi_got_internal_mem splitter): New define_split. Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com> * obstack.h (obstack_empty_p): Fix spurious space after backslash. Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au> * rs6000.c: Avoid creating a stack frame under SYSV ABI if we only need to save LR. Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com) * mn10300.md (movqi, movhi): Avoid using address registers as destinations unless absolutely necessary. * mn10200.c (expand_prologue): Fix typo. * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses. * mn10200.md (neghi2): Provide an alternative which works if the input and output register are the same. * mn10300.c (print_operand): Handle 'S'. * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for shift amount in last alternative. * mn10300.c (expand_epilogue): Rework to handle register restores in "ret" and "retf" instructions correctly. Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com> * expmed.c (extract_bit_field): Don't make flag_force_mem disable extzv for memory operands. * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse redundant conditional moves to single operand. Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com> * v850.h: Move define of __v850__ from CPP_PREDEFINES to CPP_SPEC. * xm-v850.h: Use __v850 rather than __v850__ to identify v850 port. Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com> * mips/mips.c (compute_frame_size): Not a leaf function if profile_flag set. Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au> * rs6000/t-ppccomm: Use -msdata=none for crtstuff. Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com> * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete. (DEFAULT_ARCH32_P): New macro. (TARGET_ARCH{32,64}): Allow compile time or runtime selection. (enum cmodel): Declare. (sparc_cmodel_string,sparc_cmodel): Declare. (SPARC_DEFAULT_CMODEL): Provide default. (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}. (TARGET_FULLANY): Deleted. (TARGET_CM_MEDMID): New macro. (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC. (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch). (CPP_SPEC): Rewrite. (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros. (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros. (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros. (ASM_SPEC): Add %(asm_arch). (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default. Rename asm_default to asm_cpu_default. Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian, cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch. (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH. ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values. (MASK_INT64,MASK_LONG64): Delete. (MASK_ARCH64): Renamed to MASK_64BIT. (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete. (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG. (TARGET_SWITCHES): Always provide 64 bit options. (ARCH64_SWITCHES): Delete. (TARGET_OPTIONS): New option -mcmodel=. (INT_TYPE_SIZE): Always 32. (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH. (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_.... (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support. (PRINT_OPERAND_PUNCT_VALID_P): Add '_'. * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. * sparc/linux.h: Likewise. * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete. (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT. (SPARC_DEFAULT_CMODEL): Define. (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (LONG_DOUBLE_TYPE_SIZE): Define. (ASM_SPEC): Add %(asm_arch). * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (TARGET_CPU_DEFAULT): Add ultrasparc case. * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete. (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. (SPARC_DEFAULT_CMODEL): Define. * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete. (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete MASK_LONG64, MASK_MEDANY. (SPARC_DEFAULT_CMODEL): Define. (CPP_PREDEFINES): Delete. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (ASM_SPEC): Add %(asm_arch). (LONG_DOUBLE_TYPE_SIZE): Define. (DWARF2_DEBUGGING_INFO): Define. * sparc/splet.h (CPP_SPEC): Delete. * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support. (BLOCK_PROFILER): Likewise. * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals. (sparc_override_options): Handle code model selection. (sparc_init_expanders): Renamed from sparc64_init_expanders. * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_.... TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY. (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_.... (sethi_di_fullany): Delete. Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de> Jeff Law <law@cygnus.com> Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case. (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise. (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise. (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise. * alpha/alpha.md (arg_home): Likewise. * alpha/alpha.c (vmskrunch): Delete. * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete. * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't truncate to 64 characters. * make-l2.com: Support openVMS/Alpha. * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX. Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * longlong.h (count_leading_zeros): Add missing casts to USItype. Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com) * i386/bsd386.h (ASM_COMMENT_START): Define. Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com> * tree.c (restore_tree_status): Also free up temporary storage when we finish a toplevel function. (dump_tree_statistics): Print stats for backend obstacks. Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com> * expr.c (use_group_regs): Don't call use_reg for MEMs. Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (__throw): Don't copy the return address. * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address. * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized). * toplev.c (main): Initialize exceptions_via_longjmp. * tree.c: Add extra_inline_obstacks. (save_tree_status): Use it. (restore_tree_status): If this is a toplevel inline obstack and we didn't want to save anything on it, recycle it. (print_inline_obstack_statistics): New fn. * function.c (pop_function_context_from): Pass context to restore_tree_status. * obstack.h (obstack_empty_p): New macro. Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com) * i386/freebsd.h (ASM_COMMENT_START): Fix. Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com) * v850.c (ep_memory_offset): New function. (ep_memory_operand, substitute_ep_register, v850_reorg): Call it. * v850.h (CONST_OK_FOR_*): Add and correct comments. (CONSTANT_ADDRESS_P): Add comment. (EXTRA_CONSTRAINT): Define 'U'. * v850.md: Add comments on bit field instructions. (addsi3): Delete &r/r/r alternative. Add r/r/U alternative. (lshrsi3): Use N not J constraint. * v850.md (v850_tst1+1): New define_split for tst1 instruction. * v850.c (reg_or_0_operand): Call register_operand. (reg_or_int5_operand): Likewise. * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros. (TARGET_SWITCHES): Add "big-switch". (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE, ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH. (CASE_DROPS_THROUGH): Comment out. (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define. * v850.md (cmpsi): Delete compare mode. (casesi): New pattern. * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero. * v850.md (ashlsi3): Use SImode not QImode for shift count. (lshrsi3): Likewise. * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete unreachable switch statement after 'b' support. Remove "b" from strings for 'b' support. * v850.md (branch_normal, branch_invert): Change %b to b%b. Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an empty line if @inhibit_libc@ is empty. Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj. (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined. (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. (DWARF2_UNWIND_INFO): Let this track object file format. (EXTRA_SECTIONS): Add in_eh. (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define. (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu> * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2. * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when TARGET_MEDANY. * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed. (output_double_int): Output DI mode values correctly when HOST_BITS_PER_WIDE_INT is 64. (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use fmovd so it works if a quad float ends up in one of the upper 32 float regs. * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns necessary for PIC support on sparc64. Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com> * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS. * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64. (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define. (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros. (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros. (SPARC_FP_ARG_FIRST): New macro. (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now. (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs. (NPARM_REGS): There are 32 fp argument registers now. (FUNCTION_ARG_REGNO_P): Likewise. (FIRST_PARM_OFFSET): Update to new v9 abi. (REG_PARM_STACK_SPACE): Define for arch64. (enum sparc_arg_class): Delete. (sparc_arg_count,sparc_n_named_args): Delete. (struct sparc_args): Redefine and use for arch32 as well as arch64. (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete. (FUNCTION_ARG_ADVANCE): Rewrite. (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite. (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite. (FUNCTION_ARG_CALLEE_COPIES): Delete. (FUNCTION_ARG_{PADDING,BOUNDARY}): Define. (STRICT_ARGUMENT_NAMING): Define. (doublemove_string): Declare. * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete. (single_move_string): Use GEN_INT, and HOST_WIDE_INT. (doublemove_string): New function. (output_move_quad): Clean up some of the arch64 support. (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64. Don't add 8 bytes of reserved space if arch64. (sparc_builtin_saveregs): Combine arch32/arch64 versions. (init_cumulative_args): New function. (function_arg_slotno): New static function. (function_arg,function_arg_partial_nregs): New functions. (function_arg_{pass_by_reference,advance}): New functions. (function_arg_padding): New function. * ginclude/va-sparc.h: Rewrite v9 support. Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P for hard regs to determine base and index registers. * reload.c (debug_reload_to_stream): New function. Specify stream into which to write debug info. (debug_reload): Modify to call debug_reload_to_stream with stderr. Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com> * combine.c (can_combine_p): Don't combine with an asm whose output is a hard register. Thu Oct 16 15:43:26 1997 Mike Stump <mrs@wrs.com> * c-decl.c (start_struct): Ensure that structs with forward declarations are in fact packed when -fpack-struct is given. * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if we are packing a structure. This allows a structure with only bytes to be aligned on a byte boundary and have no padding on a m68k. Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record. Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com> * alpha.c (alpha_return_addr_rtx): New variable. (alpha_save_machine_status): New; save it. (alpha_restore_machine_status): New; restore it. (alpha_init_expanders): New; clear it. (alpha_return_addr): New; set it. (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live is overly conservative, so search the insns explicitly. (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed. (alpha_sa_size [VMS && !VMS]): Likewise. * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr. (INIT_EXPANDERS): New definition. * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file. (output_prolog [!VMS]): Use them. * alpha.c (output_prolog [!VMS]): Move gp detection to ... (alpha_does_function_need_gp): ... a new function. Refine the CALL_INSN test to just TYPE_JSR. * alpha.md (most call insns): Fix some jsr/ibr type transpositions. Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * pa.c (move_operand): Respect -mdisable-indexing. * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu> * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for PPC601. (umulsidi3,umulsi3_highpart): Likewise. (smulsi3_highpart_no_mq): Add !TARGET_POWER. Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com> * alpha.c (final_prescan_insn): Gut, remove and transform to ... (alpha_handle_trap_shadows): ... a new function. Handle the entire function in one go. Emit RTL for trapb, instead of printf directly. (alpha_reorg): New function. Call alpha_handle_trap_shadows. (trap_pending): Kill global variable. (output_epilog): Don't call final_prescan_insn. (struct shadow_summary): Elide $31 and $f31; now it fits in a word. * alpha.h (FINAL_PRESCAN_INSN): Remove. (MACHINE_DEPENDENT_REORG): Define. * alpha.md (jsr patterns with trapb): Stupid and useless. Kill. (trapb): New insn. Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com> Tune Haifa scheduler for Alpha: * alpha.h (ISSUE_RATE): Define. * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply EV4 adjustments to EV5. * alpha.md: Remove all scaling from function unit delays. Rework EV5 function units to match the CPU. (umuldi3_highpart): EV5 added the IMULH insn class. Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com) * pa.c (following_call): Fail if the CALL_INSN is an indirect call. Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net> * cplus-dem.c (demangle_signature): Don't look for return types on constructors. Handle member template constructors. Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com> * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns. * tree.h: Declare them. Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com> * configure.in: Handle --with-newlib. * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@. * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete. Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com) * config/ptx4.h: Fix typo. Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de> * aclocal.m4: Substitute INSTALL. * configure: Re-built. Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com) * integrate.c (save_for_inline_copying): Avoid undefined pointer operations. (expand_inline_function): Likewise. * dwarf2out.c (output_call_frame_info): Reinstate last change using flag_debug_asm check instead of flag_verbose_asm. Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com> * dwarf2out.c (output_call_frame_info): Remove last change. 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * frame.c (__frame_state_for): Execute the FDE insns until the current pc value is strictly bigger than the target pc value. Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com> * regclass.c (init_reg_modes): If we can't find a mode for the register, use the previous one. Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com> * haifa-sched.c (print_block_visualization): Call fprintf directly, don't sprintf through an alloca'ed buffer. Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de) * reload.c (decompose): Always initialize val.base. Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment instead of aborting. * dwarf2out.c (output_call_frame_info): Call app_enable and app_disable to let GNU as accept the generated comments. Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com> * tree.h (get_file_function_name): Add declaration. * dwarf2out.c (output_call_frame_info): No need to cast get_file_function_name call anymore. * profile.c (toplevel): Remove get_file_function_name declaration. * c-lang.c (finish_file): Likewise. Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net> * Makefile.in (program_transform_name): Let autoconf substitute the correct value. Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (schedule_block): If the first real insn in a block has any special notes attached to it, remove them. Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com> * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5. Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) * m88k.c (m88k_begin_prologue): Remove superfluous backslash. Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (check-g77): New test target. (CHECK-TARGETS): Add check-g77. Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com> * toplev.c (rest_of_compilation): Defer all non-nested inlines. Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com> * flow.c (print_rtl_with_bb): Cast alloca return value for in_bb_p. Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com> * i386.h (RETURN_ADDR_RTX): New definition that works for __builtin_return_address(0) and -fomit-frame-pointer. Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com> Bring over from FSF. Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com> * mips.c (function_arg): Handle passing a struct containing a double in a DFmode register without the PARALLEL. Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com> * pexecute.c: Use spawn if __CYGWIN32__. * pexecute.c: Include "config.h" first, as per autoconf manual (from Paul Eggert <eggert@twinsun.com>). Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be> * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump optimization for f/expr.o and f/stb.o. Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com) * cse.c (this_insn_cc0_mode): Initialize. Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de> * cccp.c (expand_to_temp_buffer): Initialize all members of obuf. * haifa-sched.c (get_block_head_tail): Remove unneeded initialization. Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com> * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since that pair will dual-issue on the 21164 and plus+beq won't. (bne): Likewise for cmpeq+beq. Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com> * except.c (find_exception_handler_labels): Correct argument to free. Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com> * except.c (find_exception_handler_labels): Free LABELS when we're done. Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com> * flow.c (find_basic_blocks): Mark calls as potentially jumping to the EH labels. Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com) * configure.in: Substitute for "install" too. * configure: Rebuilt. Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu> * Makefile.in (bootstrap-lean, compare-lean): New targets. Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com) * alias.c (base_alias_check): Two symbols can conflict if they are accessed via AND. (memrefs_conflict_p): Likewise. * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn after flushing argument registers to the stack. * Makefile.in (mostlyclean): Remove .regmove files. Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (__throw): Fix thinko. Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net> * cplus-dem.c (demangle_template): Add new parameter. Handle new template-function mangling. (consume_count_with_underscores): New function. (demangle_signature): Handle new name-mangling scheme. Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be> * flow.c (print_rtl_with_bb): Cast alloca return values for variables start and end. Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com) * frame.c: Remove last change. * dwarf2.h: Remove last change. * tree.h: Add declarations of DWARF2 unwind info support functions. Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com> * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size. * tree.h (built_in_function): Likewise. * expr.c (expand_builtin): Likewise. * except.h: Likewise. * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn. * libgcc2.c (copy_reg): New fn. (__throw): Use it. Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com> * c-typeck.c (build_binary_op): Warn about comparing signed vs unsigned if -W is specified and -Wno-sign-compare is not. * c-decl.c (warn_sign_compare): Initialize to -1. (c_decode_option): -Wall no longer implies -Wsign-compare. Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * frame.c: Include gansidecl.h for PROTO. * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is defined. Don't declare dwarf2out_cfi_label here. * dwarf2.h: Add declarations of DWARF2 unwind info support functions. * m68k.c: Include dwarf2.h. (output_function_prologue): Add dwarf2 support. * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros. (INCOMING_FRAME_SP_OFFSET): Likewise. * integrate.c (expand_inline_function): Make sure there is at least one insn that can be used as an insertion point. Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com> * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/ Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com> Bring over from FSF. Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com> * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32. (get_pc_via_rdpc): Renamed from get_pc_sp64. * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call. Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu> * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=, -malign-functions=. (sparc_align_{loops,jumps,funcs}_string): Declare. (sparc_align_{loops,jumps,funcs}): Declare. (DEFAULT_SPARC_ALIGN_FUNCS): New macro. (FUNCTION_BOUNDARY): Use sparc_align_funcs. (STACK_BIAS): Define. (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform test. (SPARC_SETHI_P): New macro. (CONST_OK_FOR_LETTER_P): Use it. (ASM_OUTPUT_ALIGN_CODE): Define. (ASM_OUTPUT_LOOP_ALIGN): Define. * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals. (sparc_align_{loops,jumps,funcs}): New globals. (sparc_override_options): Handle -malign-loops=, -malign-jumps=, -malign-functions=. (move_operand): Use SPARC_SETHI_P. (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then perform test. (arith11_double_operand): Likewise. (arith10_double_operand): Likewise. (finalize_pic): Finish sparc64 support. (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of 64 bit constants if able. (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD. (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if ! TARGET_FPU. * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx. (get_pc_sp32): Use for sparc64 as well. (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts. (sethi_di_sp64_const): Likewise. (movtf_cc_sp64): Check TARGET_HARD_QUAD. (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast. (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise. Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com> * sparc/linux-aout.h (COMMENT_BEGIN): Delete. * sparc/linux.h (COMMENT_BEGIN): Likewise. * sparc/linux64.h (COMMENT_BEGIN): Likewise. Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu> Add sparc64 linux support. * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h to xm_file list on 32-bit sparc-linux. * sparc/xm-sp64.h: New file. * sparc/linux64.h: New file. * sparc/xm-linux.h: Include some standard headers if not inhibit_libc. Don't include xm-sparc.h. * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define. * glimits.h (LONG_MAX): Handle sparc64. Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com> * sparc/sysv4.h (ASM_COMMENT_START): Delete. * sparc.h (ASM_COMMENT_START): Define. * sparc.c (output_function_prologue): Use it. (sparc_flat_output_function_{epi,pro}logue): Likewise. Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com> * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete, use sparc.h's copies. * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print ascii form as well. Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * sparc.c (dwarf2out_cfi_label): Add declaration. (save_regs, output_function_prologue): Remove cast for it. (sparc_flat_{save_restore,output_function_prologue): Likewise. ({save,restore}_regs): No longer inline. Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * fold-const.c (make_range): Correctly handle cases of converting from unsigned to signed type. Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> * fold-const.c (merge_ranges): Make sure that if one range is subset of another, it will always be the second range. Correct (+,-) case to account for this. Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com> * final.c (final_end_function): Also do dwarf2 thing if DWARF2_DEBUGGING_INFO. (final_start_function): Likewise. Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu> * expmed.c (expand_divmod): If compute_mode is not the same as mode, handle the case where convert_modes() causes op1 to no longer be a CONST_INT. * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED note holding get_jump_flags() calculation to all JUMP_INSNs. * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA. * rtl.c (reg_note_name): Add new note types. Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com) * rtlanal.c (computed_jump_p): Fix typo in last change. Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * loop.c (indirect_jump_in_function_p): Return 0 by default. Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com) * rs6000/xm-rs6000.h: Fix thinko in last change. * rs6000/xm-sysv4.h: Likewise. Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com> * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p. Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com) * reg-stack.c (find_blocks): Fix thinko in last change. 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * m68k.c (output_function_prologue): Add dwarf2 support. * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM, INCOMING_FRAME_SP_OFFSET): New definitions. Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu> * combine.c (try_combine): Use NULL_RTX instead of '0' where appropriate in calls to gen_rtx(). * cse.c (cse_main): Likewise. * emit-rtl.c (gen_label_rtx): Likewise. * expr.c (init_expr_once): Likewise. * haifa-sched.c (flush_pending_lists, sched_analyze_insn, sched_analyze, init_rgn_data_dependences, compute_block_backward_dependences): Likewise. * sched.c (schedule_insns): Likewise. * varasm.c (immed_double_const): Likewise. * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to SPARC_STACK_BIAS for sake of dwarf2 on sparc64. Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com> * i386/sco5.h: Make ELF default file format and add -mcoff/-melf.. (MULTILIB_DEFAULTS): Define. (ASM_SPEC, CPP_SPEC): Handle -mcoff. (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. (LIBGCC_SPEC): Likewise. (MASK_COFF, TARGET_COFF, TARGET_ELF): Define. (SUBTARGET_SWITCHES): Add -mcoff and -melf. * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC. (CRTSTUFF_T_CFLAGS_S): Tweak for COFF. (EXTRA_PARTS, TAROUTOPTS): Delete. (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete. (MULTILIB_OPTIONS): Define. (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise. (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise. Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com) * loop.c (loop_number): Delete function. Change all references to use uid_loop_num array. * loop.h (loop_number): Delete declaration. * unroll.c (unroll_loop): Change "loop_number" references to use uid_loop_num instead. * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA conditional. (loop_unroll_iter): Remove unused variable and all references. (loop_optimize): Always allocate and clear space for loop_unroll_factor. (insert_bct): Fix minor formatting problems. * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA. (loop_unroll_iter): Removed unused decl. * unroll.c (unroll_loop): Remove code to set loop_unroll_iter. Always record the unrolling factor. * cse.c (simplify_relational_operation): Set h0u just like h0s. Similarly for h1u and h1s. * flow.c (jmp_uses_reg_or_mem): Deleted unused function. (find_basic_blocks): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * reg-stack.c (find_blocks): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * rtlanal.c (jmp_uses_reg_or_mem): New function. (computed_jump_p): Likewise. * rtl.h (computed_jump_p): Declare. * genattrtab.c (pc_rtx): Define and initialize. * loop.c (loop_optimize): Always determine if the current function has a computed jump. (indirect_jump_in_function_p): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * loop.c (fix_bct_param): Delete unused function. (check_bct_param): Likewise. Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com> * frame.c (__deregister_frame): Check properly for initialized object. Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined. Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * jump.c (thread_jumps): Check can_reverse_comparison_p before threading a reversed-condition jump. * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. * haifa-sched.c (update_flow_info): Likewise. Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (BOOT_CFLAGS): Use -O2. * configure.in (strtoul, bsearch): Have autoconf check for these functions. * configure, config.in: Rebuilt. * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__. * mips/mips.h (alloca): Likewise. * rs6000/xm-rs6000.h (alloca): Likewise. * rs6000/xm-sysv4.h: Likewise. Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com> * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code. * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along. (dwarf2out_stack_adjust): A BARRIER resets the args space to 0. * except.c (end_eh_unwinder): Subtract 1 from return address. * libgcc2.c (__throw): Likewise. (find_exception_handler): Don't change PC here. Compare end with >. Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com> * v850.c (compute_register_save_size): Correct register number. * v850.md (save_interrupt, return_interrupt): Correct register number. * v850/lib1funcs.asm (save_interrupt): Correct register number. (return_interrupt): Use stack pointer, not element pointer. 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com> * configure.in, configure: Make sure to create the stage* and include symbolic links in each subdirectory. Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com) * pa.md (reload_peepholes): Don't allow addresses with side effects for the memory operand. Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (find_exception_handler): Subtract one from our PC when looking for a handler, to avoid hitting the beginning of the next region. * except.c (expand_builtin_set_return_addr_reg): Use force_operand. Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com) * mips/abi64.h (LONG_MAX_SPEC): Define. * mips.h (LONG_MAX_SPEC): Define. (CPP_SPEC): Include long_max_spec. (EXTRA_SPECS): Include long_max_spec. Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com) * v850.c (construct_save_jarl): Fix thinko in last change. Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com> * libgcc2.c (find_exception_handler): Not found is -1. * integrate.c (expand_inline_function): Move expand_start_bindings after expanding the arguments. Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com> * expr.c (expand_expr): Remove previous incorrect change. If target and slot has no DECL_RTL, then call mark_addressable again for the slot after we give it RTL. Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com) * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable again for the slot after we give it RTL. Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com> * v850.c (register_is_ok_for_epilogue, pattern_is_ok_for_epilogue, construct_restore_jr, pattern_is_ok_for_prologue, construct_save_jarl): New functions. * v850.h (pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New predicates. * v850.md: Replace prologue and epilogue patterns with a match_parallel pattern. Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com) * aclocal.m4: Add replacement for AC_PROG_INSTALL. * configure.in: Use EGCS_PROG_INSTALL. Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com) * dwarf2out.c (gen_subprogram_die): Handle redefinition of an extern inline function. Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com) * dwarf2out.c (reg_loc_descriptor): Fix prototype. (concat_loc_descriptor): New function. (loc_descriptor): Call it. (add_AT_location_description): Also elide the descriptor if both halves of a CONCAT are pseudos. (add_location_or_const_value_attribute): Recognize CONCAT too. Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com> * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS. * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for out-or-range reg_offset. (output_epilog): Likewise. Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com) * cse.c (simplify_relational_operation): If MODE specifies a mode wider than HOST_WIDE_INT, then the high word of a CONST_INT is derived from the sign bit of the low word. Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com> Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86. * dwarf2.h: Add DW_CFA_GNU_args_size. * frame.c (execute_cfa_insn): Likewise. * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise. (dwarf2out_args_size, dwarf2out_stack_adjust): New fns. (dwarf2out_frame_debug): If this isn't a prologue or epilogue insn, hand it off to dwarf2out_stack_adjust. (dwarf2out_begin_prologue): Initialize args_size. * frame.h (struct frame_state): Add args_size. * libgcc2.c (__throw): Use args_size. * final.c (final_scan_insn): If we push args, hand off all insns to dwarf2out_frame_debug. * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS. * dwarf2out.c dwarf2out_frame_debug): Fix typo. Handle epilogue restore of SP from FP. * emit-rtl.c (gen_sequence): Still generate a sequence if the lone insn has RTX_FRAME_RELATED_P set. * frame.c (extract_cie_info): Handle "e" augmentation. * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the absence of UNALIGNED_*_ASM_OP. (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF. (output_call_frame_info): Use "e" instead of "z" for augmentation. Don't emit augmentation fields length. (dwarf2out_do_frame): Move outside of #ifdefs. * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data opcodes. * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all. * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here. * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0. * sparc/sun4gas.h: New file. * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as. * collect2.c (write_c_file_stat, write_c_file_glob): Declare __register_frame_table and __deregister_frame. 1997-09-15 Brendan Kehoe <brendan@cygnus.com> * except.c (find_exception_handler_labels): Use xmalloc instead of alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million in some cases. Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in: Various changes to build info files in the object tree rather than the source tree. Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com) * fixinc.math: New file to fix math.h on some systems. * configure.in (freebsd, netbsd): Use fixinc.math on these systems. * configure: Rebuilt. Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com) * regmove.c (regmove_optimize): If we end up moving the original insn due to lifetime overlaps, make sure to move REG_NOTES too. Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de> * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure. Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (add_branch_dependences): Make each insn in a SCHED_GROUP_P block explicitly depend on the previous insn. Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com> * except.h: Prototype dwarf2 hooks. * expr.c: Adjust. Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com> * configure.in (native_prefix): Delete. (mips-dec-netbsd): Don't set prefix. (*linux*): Don't set prefix. Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com> * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is defined. If not defined, include <sys/varargs.h> if HAVE_SYS_VARARGS_H is defined. * configure.in: Test for varargs.h and sys/varargs.h. * configure: Regenerate with autoconf. * config.in: Regenerate with autoheader. * cpplib.c (quote_string): Cast first arg of sprintf call from "unsigned char *" to "char *". (output_line_command): Likewise. (macroexpand): Likewise. (do_line): Cast atoi arg from "unsigned char *" to "char *". Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * Makefile.in (compare): Exit with nonzero status if there are comparison failures. Note which files failed the comparison test in .bad_compare. Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__. Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com> * Makefile.in (LN, LN_S): New macros, use where appropriate. * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests. * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN. * configure: Regenerated. Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com) * loop.c (strength_reduce): Fix typo. Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com> * m88k/m88k.c (struct option): Rename to struct options. * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here. * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments. * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not __DOLPHIN__ or sysV88. Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com> * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when create new subreg. Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com) * config.sub: Accept 'amigados' for backward compatibility. Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * Makefile.in (testsuite/site.exp): New target. (check-gcc, check-g++): Depend on testsuite/site.exp. Don't stop for failure. Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com> * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum() if DWARF2_UNWIND_INFO. Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com> Add support for exception handling using DWARF 2 frame unwind info. Currently works on SPARC and MIPS, and almost on x86. * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr, next_stack_level, in_reg_window): Helper fns. (__throw): Implement for DWARF2_UNWIND_INFO. * expr.c (expand_builtin): Handle builtins used by __throw. * tree.h (enum built_in_function): Add builtins used by __throw. * c-decl.c (init_decl_processing): Declare builtins used by __throw. * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw. * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw. (expand_builtin_extract_return_addr): Likewise. (expand_builtin_frob_return_addr): Likewise. (expand_builtin_set_return_addr_reg): Likewise. (expand_builtin_eh_stub): Likewise. (expand_builtin_set_eh_regs): Likewise. (eh_regs): Choose two call-clobbered registers for passing back values. * frame.c, frame.h: New files for parsing dwarf 2 frame info. * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c. (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS) (stmp-multilib): Likewise. ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions. * except.c: #include "defaults.h". (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO. (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO. (register_exception_table_p): New fn. (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO. (end_eh_unwinder): Likewise. * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP, call __register_frame and __deregister_frame as needed. * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP. * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check EH_FRAME_SECTION_ASM_OP. * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define. * mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Define. (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols. * dwarf2out.c (output_call_frame_info): If no support for EXCEPTION_SECTION, mark the start of the frame info with a collectible tag. * collect2.c (frame_tables): New list. (is_ctor_dtor): Recognize frame entries. (scan_prog_file): Likewise. (main): Pass -fno-exceptions to sub-compile. Also do collection if there are any frame entries. (write_c_file_stat): Call __register_frame_table and __deregister_frame as needed. (write_c_file_glob): Likewise. * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported. Also require unaligned reloc support. * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define here. * sparc/sysv4.h: Not here. * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}. * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init. (dwarf2out_finish): Don't call dwarf2out_frame_finish. * libgcc2.c (L_eh): Reorganize, moving code shared by different EH implementations to the top. (find_exception_handler): Split out. Start from 0. Compare against end with >=. (__find_first_exception_table_match): Use it. * except.c (output_exception_table): Don't do anything if there's no table. Don't output a first entry of zeroes. (eh_outer_context): Adjust properly. (add_eh_table_entry): Use xrealloc. * toplev.c (compile_file): Just call output_exception_table. Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com> * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case. Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se> * except.c (eh_outer_context): Do masking using expand_and. Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com> Add port done awhile ago for the ARC cpu. * arc/arc.h: New file. * arc/arc.c: New file. * arc/arc.md: New file. * arc/initfini.c: New file. * arc/lib1funcs.asm: New file. * arc/t-arc: New file. * arc/xm-arc.h: New file. * ginclude/va-arc.h: New file. * ginclude/stdarg.h: Include va-arc.h ifdef __arc__. * ginclude/varargs.h: Likewise. * Makefile.in (USER_H): Add va-arc.h. * configure.in (arc-*-elf*): Recognize. * longlong.h: Add ARC support. Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com) * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx. when clearing non-BLKmode data. Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de> * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Define. * libgcc2.c (__enable_execute_stack): Provide for sysV88 too. * xm-m88k.h (USG): Only define if it hasn't already been defined. * Makefile.in (risky-stage1): Delete gratuitous whitespace. * Makefile.in (clean): Delete libgcc1-test. * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo. Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com> * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list template. Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * dwarf2out.c (output_call_frame_info): Call named_section. Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (print_value): Fix last change. Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com> * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of write_symbols. Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com> * mips.c (function_prologue): Set up the CFA when ABI_32. * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG for dwarf2 unwind info. (output_function_prologue, sparc_flat_output_function_prologue): Same. * final.c (final_end_function): Check dwarf2out_do_frame instead of DWARF2_DEBUG for dwarf2 unwind info. (final_scan_insn): Likewise. (final_start_function): Likewise. Initialize dwarf2 frame debug here. (final): Not here. * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if count > 0. * varasm.c (exception_section): Check EXCEPTION_SECTION first. Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com> * v850.h (ASM_SPEC): Pass on target processor. (CPP_PREDEFINES): Only define if not already specified. (TARGET_VERSION): Only define if not already specified. (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target processor. (EXTRA_SWITCHES): Extra entries in the switches array. (TARGET_DEFAULT): Set default target processor. Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com> * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA cases, add %# and %/, and add : to make them into extended asms. Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu> * alias.c (init_alias_analysis): Clean up incompatible pointer type warning in bzero. * regmove.c (regmove_optimize): Likewise. * haifa-sched.c (find_rgns): Likewise. * haifa-sched.c (print_value): Clean up ptr->int cast warnings. Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com> * INSTALL: Change 'amigados' to 'amigaos' to match current usage. * install.texi (Configurations): Likewise. * config.sub: Likewise. Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu) * Makefile.in (sdbout.o): Depend on insn-config.h. Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com> * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881. For 68303, 68332, cpu32, subtract MASK_68040_ONLY. Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com> * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL prologue insn, only the first elt is significant. (output_call_frame_info): For exception handling, always use 4-byte fields as specified by the dwarf2 spec. Don't skip trivial FDEs. Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se) * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR when op1_is_pow2. Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com) * final.c (shorten_branches): During first pass, assume worst possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns. * Makefile.in (distclean): Remove various things left around by running the testsuite. Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de> * configure.in (out_file): Emit definition to config.status in order to have a defined value for configure.lang. * configure: Re-built. Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl) * configure.in: Make symlink to as-new rather than as.new. Similarly for ld-new. * configure: Rebuilt. Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com> * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero. Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE> * sparc/sparc.md: Add ultrasparc scheduling support. * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns. Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be> * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR, as initial value for real_label_map. (copy_for_inline): Likewise. Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * sched.c (update_flow_info): When looking if to set found_split_dest or found_orig_dest, look at all parts of a PARALLEL. * haifa-sched.c (update_flow_info): Likewise. Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com) * v850: New directory for v850 port. * v850/lib1funcs.asm: New file. * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files. * ginclude/va-v850.h: New file. * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h. * configure.in (mn10200-*-*): New target. * configure: Rebuilt. * config.sub: Handle v850-elf. * Makefile.in (USER_H): Add va-mn10200.h. * invoke.texi: Document v850 stuff. Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com) * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN has integer TYPE_{MAX,MIN}_VALUE before using them. * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add __HPUX_ASM__ versions. Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com) * install.sh: Delete duplicate install script. Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com) * reg-stack.c (subst_stack_regs): Pop the stack register for a computed goto which sets the same stack register. * reg-stack.c (compare_for_stack_reg): Swap only if the source and destination are both on the regstack. (subst_stack_regs_pat): Put the destination at the top of the regstack. Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com> * mips.md (nonlocal_goto_receiver): Define. * profile.c (output_arc_profiler): Check next_insert_after for non NULL before deferencing it. * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC. Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com) * i386.h (CPP_CPU_DEFAULT): Avoid using #elif. Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com> * toplev.c (rest_of_compilation): For passes starting with flow_analysis, use print_rtl_with_bb instead of print_rtl. * print-rtl.c (print_rtl_single): Print a single rtl value to a file. * flow.c (print_rtl_with_bb): Print which insns start and end basic blocks. For the start of a basic block, also print the live information. Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com> * toplev.c (main): Change #elif to #else/#ifdef. * tlink.c: Include ctype.h. * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif. Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com) * bitmap.c: Conditionally include stdlib.h. (free): Provide a declaration if NEED_DECLARATION_FREE. Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com) * i960/i960.h: Added default for SUBTARGET_SWITCHES macro. Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com) * profile.c (output_arc_profiler): Verify next_insert_after is an INSN before and after skipping a stack pop. Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk> * final.c (shorten_branches): Don't count the lengths of deleted instructions. Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com> * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over two bitmaps ANDed together. (bitmap_print): Declare. * bitmap.c (function_obstack): Don't declare any more. (bitmap_obstack): Obstack for allocating links from. (bitmap_obstack_init): New static to say whether to initialize bitmap_obstack. (bitmap_element_allocate): Use bitmap_obstack to allocate from. (bitmap_release_memory): Free all memory allocated from bitmap_obstack. * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke EXECUTE_IF_AND_IN_BITMAP. Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com> * alias.c (true_dependence): Address with AND can alias scalars. (anti_dependence, output_dependence): Likewise. * alias.c (true_dependence): Test x for BLKmode, in addition to mem. Wed Sep 3 09:28:50 1997 Joel Sherrill (joel@OARcorp.com) * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h, sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES definitions. Use -qrtems instead of -mrtems. Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com) * xm-sco5.h (sys_siglist): Define. (SYS_SIGLIST_DECLARED): Likewise. Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com) * expr.c (convert_move): Handle truncation from TQFmode to QFmode. Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se> * except.c (eh_outer_context): Expand masking operation using expand_binop. Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com> * alpha.md (floatdisf2-1): New pattern. Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com) * xm-svr4.h (SYS_SIGLIST_DECLARED): Define. * xm-news.h (SYS_SIGLIST_DECLARED): Likewise. * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise. * gcc.texi: Note that if you define sys_siglist that you should also define SYS_SIGLIST_DECLARED. * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions are relative to the next instruction, not the current instruction. Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com> * local-alloc.c (contains_replace_regs): New function. (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM, verify that there is no existing REG_EQUIV note, and add a call to contains_place_regs. Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__. (STARTFILE_SPEC): Always use crtbegin.o%s. (ENDFILE_SPEC): Always use crtend.o%s. Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com> * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS is passed in. * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to SFmode for 64 bit hosts. Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU> * fixincludes: Permits spaces between # and define. Discard C++ comments in sys/pci.h on HP/UX 10.20. Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * pa.c (restore_unscaled_index_insn_codes): New function. (record_unscaled_index_insn_codes): Likewise. (output_function_prologue): Call restore_unscaled_index_insn_codes. (output_function_epilogue): Free memory for unscaled_index_insn_codes. (pa_reorg): Call record_unscaled_index_insn_codes. * haifa-sched.c (move_insn): Handle notes correctly for insns with SCHED_GROUP_P set. Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * alpha/xm-linux.h (USE_BFD): Undef before define. Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com> * cse.c (cse_insn): Don't record BLKmode values. Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com) * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches. Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com) * cccp.c (sys_errlist): Remove special 4.4bsd declaration. * collect2.c (sys_errlist): Likewise. * cpplib.c (sys_errlist): Likewise. * gcc.c (sys_errlist): Likewise. * protoize (sys_errlist): Likewise. * configure.in: Check for strerror. * xm-freebsd.h (HAVE_STRERROR): Remove definition. * xm-gnu.h (HAVE_STRERROR): Likewise. * xm-linux.h (HAVE_STRERROR): Likewise. * xm-netbsd.h (HAVE_STRERROR): Likewise. * xm-bsd386.h (HAVE_STRERROR): Likewise. * xm-cygwin32.h (HAVE_STRERROR): Likewise. * xm-dos.h (HAVE_STRERROR): Likewise. * xm-mingw32.h (HAVE_STRERROR): Likewise. * xm-pa.h (HAVE_STRERROR): Likewise. * xm-papro.h (HAVE_STRERROR): Likewise. * xm-sysv4.h (HAVE_STRERROR): Likewise. * configure, config.in: Rebuilt. * Makefile.in: Add several missing "else true" clauses. * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED. * mips-tfile.c: Likewise. * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs. * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise. * configure.in: Check for sys_siglist declaration. * configure, config.in: Rebuilt. Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com) * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sparc/rtems.h (subtarget_switches): Added -mrtems as a switch. * i960/i960.h: Added SUBTARGET_SWITCHES macro. * rs6000/sysv4.h (extra_subtarget_switches): Added new macro EXTRA_SUBTARGET_SWITCHES. * configure.in (sh*-*-rtems*): New target. * sh/rtems.h: New file. * sh/sh.h: Added SUBTARGET_SWITCHES macro. * configure: Rebuilt. Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com> * unroll.c (calculate_giv_inc): Handle increment with code PLUS. Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu> * rs6000.md: Make DF fused-add operations pay attention to -mno-fused-add. Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com> * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define. Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com) * pa.md (reload_peepholes): Make sure operand is a REG before examining REGNO. Allow general registers too. Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com> * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs. Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de) * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc to reallocate abbrev_die_table. Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com> * m68k/m68k.md (iorsi_zexthi_ashl16): Disable. 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile.in (config.status): Depend on version.c. * expr.h (insn_gen_function): Reenable prototype. * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of first parameter. Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com> * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic. Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for latest snapshot. * bc-optab.c: Conditionally include stdlib.h. (free): Provide a declaration if NEED_DECLARATION_FREE. * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE. * rtl.h (free): Remove declaration. * tree.h (free): Remvoe declaration. * configure: Rebuilt. Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com) * flags.h (flag_move_all_movables): Declare. (flag_reduce_all_givs): Likewise. * loop.c (move_movables): Handle flag_move_all_movables. (strength_reduce): Handle flag_reduce_all_givs. * toplev.c (flag_move_all_movables): Define. (flag_reduce_all_givs): Likewise. (f_options): Add -fmove-all-movables and -freduce-all-givs. * invoke.texi: Document new options, including alias stuff that wasn't included last time. Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com) * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS. * t-mn10200: Likewise. * t-vxsparc: Likewise. * t-vxworks68: Likewise. * t-vxworks960: Likewise. * t-vx29k: Likewise. Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com> * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC if not already defined, and USE_C_ALLOCA not defined. Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com> * config.guess: Replace with script that uses ../config.guess. * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com> * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1. * config.guess: Recognize alpha-linux-gnulibc1. * configure.in (alpha-*-linux-gnulibc1): New target. (alpha-*-linux-gnu*): Don't build crtbegin/end. Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com> * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in last change. Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com> * loop.c (combine_movables): Earlier insns don't match later ones. Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/linux.h (CC1_SPEC): Define it only if not defined. * config/m68k/linux.h (CC1_SPEC): Undefine it before include <linux.h> * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1. * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com) * reorg.c (dbr_schedule): Allow current_function_return_rtx to be something other than a REG. * function.c (expand_function_end): Fix current_function_return_rtx if it was a pseudo. * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. * x-netbsd: Likewise. * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. (INSTALL_HEADERS): Delete. * x-dguxbcs: Likewise. * x-hp3bsd44: Likewise. * x-pa: Likewise. Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> * i386.md (pop): pop increments the stack pointer. (prologue_set_stack_ptr): New pattern. * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr instead of subsi3. Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com> * reload.c (find_reloads, case '0'): Reject matching a non-offsettable address where an offsettable address is required. Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz> * loop.c (check_final_value): Don't miss a biv increment in a parallel. Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com) * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check TYPE_DECL_IS_STUB instead of DECL_NAME. Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj. Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com> * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES). Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (find_pre_sched_live): Remove #if 0 code. (find_post_sched_live): Likewise. * haifa-sched.c (schedule_block): Remove old code to get arguments from hard regs into pseudos early. Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for new snapshot. * local-alloc.c (update_equiv_regs): All the target to reject promotion of some REG_EQUAL to REG_EQUIV notes. * pa.h (DONT_RECORD_EQUIVALENCE): Define. * pa.c (secondary_reload_class): (mem (mem ... )) does not need secondary reloads. * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the store of the argument registers. Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu) * fold-const.c (multiple_of_p): New function. (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR. Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com) * expr.h (insn_gen_function): Temporarily remove prototype. Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com> * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to filenames. Use sed to extract base filename for install. Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu> * unroll.c (find_splittable_givs): Only share if two givs have the same add and multiply values. Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com> * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef. * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it. Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com) * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns around branch tables. * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab and .end_brtab directives if TARGET_GAS. Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com> * alias.c (true_dependence): Pass x_addr not x to varies. * acconfig.h (NEED_DECLARATION_CALLOC): Add. * configure.in: Add GCC_NEED_DECLARATION call for calloc. * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete declarations. * config.in, configure: Regenerate. Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu> * alias.c (find_base_value): Improve handling of PLUS, MINUS, and LO_SUM. (record_set): Handle LO_SUM like PLUS. (init_alias_analysis): When following chains of base addresses, do not stop on reaching a hard register. Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for new snapshot. Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com> * alpha.h (ARCH_ASM_FILE_START): Define. (ASM_FILE_START): Use ARCH_ASM_FILE_START. * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string. Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (install-common): Put gcov comment at start of line. Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com) * alias.c (init_alias_analysis): When simplifying the reg_base_value array, simplify entries for hard registers too. Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk> * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from list. Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com> * stmt.c (start_cleanup_deferral, end_cleanup_deferral): Test block_stack before dereferencing it. Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com> * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com> * cplus-dem.c: Add 'extern' to prepends_underscore. Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate. (get_issue_rate): Delete. * pa.h (ISSUE_RATE): Define. * configure.in: Turn on haifa by default for the PA. * configure: Rebuilt. * pa.c (override_options): Accept -mschedule=7200 option. (pa_adjust_cost): No longer need to scale costs for newer processors. * pa.h (enum processor_type): Add PROCESSOR_7200. * pa.md: Revamp scheduling parameters to work better with haifa. Add scheduling parameters for the 7200. * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P insns too. (schedule_block): When adjusting basic_block_{head,end}, account for movement of SCHED_GROUP_P insns too. * haifa-sched.c (debug_dependencies): Fix thinko. * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define. (site.exp, check, check-g++, check-gcc): New targets. * haifa-sched.c: Make lots of variables static. Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * expr.h, real.h: Finish prototyping. Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com> * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR reloads to RELOAD_FOR_OPERAND_ADDRESS reloads. * reload1.c: Undo bugfix from Aug 11. Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com> * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single quotes around the name. * configure: Regenerate. Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com> * Makefile.in (stmp-multilib-sub): Fix typo in last change. Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de> * Makefile.in (sub-makes): Pass the current value of LANGUAGES down to sub-makes to avoid building more passes than the user might have requested on the command line. Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk) * configure.in: Expurgate `broken_install' (install is autoconfed). * configure.lang: Substitute autoconfed ${INSTALL} (not currently relevant). Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com) * loop.c (is_power_of_2, is_conditional_branch): Delete unused functions and declarations. (analyze_loop_iterations): Use condjump_p. (insert_bct): Likewise. Use exact_log2. Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed. (schedule_region): Likewise. (schedule_insns): Likewise. * PROJECTS: Update with Haifa stuff. Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com) * version.c: Change the version string to look like: egcs-2.90.00 970814 (gcc2-970802 experimental). * loop.c (is_conditional_branch): Make definition match declaration. * gcc.c: Take out experimental snapshot warning message. Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com> * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to print out the names of the notes. Print out the name of the insn that is not a note, and not an {,CALL_,JUMP_}INSN. Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com> * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable again for the slot after we give it RTL. Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com> * configure.in (haifa configury): Fix typo. * configure: Regenerate. Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump version to "gcc-3.0.0 970802 experimental". * gcc.info*: Rebuilt. * COPYING.g77, README.g77: New files. * real.c (ereal_unto_float, ereal_unto_double): New functions. * real.h (ereal_unto_float, ereal_unto_double): Declare them. (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define. Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com) * Integrate Haifa instruction scheduler. * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references to sched with $(SCHED_CFLAGS. * configure.in: Handle --enable-haifa. * configure: Rebuilt. * flags.h: Add new flags for haifa instruction scheduler. * genattrtab.c (expand_units): For haifa, don't subtract one when computing blockage. * toplev.h (flag_schedule_interblock): Haifa scheduler flag. (flag_schedule_speculative): Likewise. (flag_schedule_speculative_load): Likewise. (flag_schedule_speculative_load_dangerous): Likewise. (flag_schedule_reverse_before_reload): Likewise. (flag_schedule_reverse_after_reload): Likewise. (flag_branch_on_count_reg): Likewise. (f_options): Add Haifa switches. (main): Turn off some Haifa options if appropriate macro is defined. Process Haifa switches. * unroll.c (iteration_info): No longer static, since Haifa scheduler uses it. (unroll_loop): Inform HAIFA scheduler about loop unrolling factor. * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value. * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls. * loop.h (loop_initial_value,loop_unroll_iter): New globals. * loop.c (loop_optimize): If HAIFA is defined, allocate additional storage for the Haifa scheduler. (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and LABEL_NEXTREF. (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count are defined, call analyze_loop_iterations and insert_bct to use countdown loops. (record_giv): Refine test for jumps out of loops if HAIFA is defined. (analyze_loop_iterations): New function to identify if we can use a countdown loop. (insert_bct): Insert countdown loop. (instrument_loop_bct): Low level code to insert countdown loop. (loop_number): Calculate UID of loop. (indirect_jump_in_function_p): Return true if an indirect jump is in the function. (is_power_of_2): Return true if value is a power of 2. (is_conditional_branch): Return true if insn is a conditional jump. (fix_bct_param): Process -fbct-{min,max}-N switches. (check_bct_param): Return true if loop should be instrumented. * loop.c (loop_initial_value,loop_unroll_iter): New globals. (loop_optimize): Initialize. (get_condition_for_loop): Likewise. * loop.c (strength_reduce): Inside of code that uses #ifdef HAVE_decrement_and_branch_on_count code, test it to make sure the condition is true. (instrument_loop_bct): Likewise. * haifa-sched.c: New file. * Integrate regmove pass. * Makefile.in (OBJS): Add regmove.o. (regmove.o): Add dependencies. * flow.c (find_use_as_address): No longer static. * rtl.h (find_use_as_address): Declare. * toplev.c (regmove_dump, flag_regmove): Define. (f_options): Add -fregmove. (regmove_dump_file, regmove_time): Define. (fatal_insn): Close the regmove dump file. (compile_file): Initialize regmove_time; open/close the regmove dump file as needed. Print regmove time as needed. (rest_of_compilation): Run regmove pass if requested, dump RTL after regmove if requested. (main): If -O2 or more, turn on regmove. Handle dump switches. * regmove.c: New file. Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com) * Integrate tlink patch from jason@cygnus.com * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'. (process_command): Increment n_switches for them. Don't discard their args. Validate them. (main): Escape " marks when creating COLLECT_GCC_OPTIONS. From Rohan Lenard. (process_command): Set include_prefixes from COMPILER_PATH. (main): Set COLLECT_GCC_OPTIONS sooner. * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld. * tlink.c, hash.c, hash.h: New files. * Makefile.in (USE_COLLECT2): Always use collect2. (collect2): Depend on and link in hash.o and tlink.o. (tlink.o, hash.o): Add dependencies. Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com) * Integrate alias analysis changes from jfc@mit.edu * Makefile.in (OBJS): Add alias.o. (alias.o): Add dependencies. * alias.c: New file. * sched.c: Remove alias analysis code. It lives in alias.c now. (sched_analyze_2): Add new arguments to true_dependence. (schedule_insns): Always call init_alias_analysis. * calls.c (expand_call): Note calls to malloc, calloc, and realloc; mark return value from such functions as a pointer and keep track of them for alias analysis. If a return value from a function is a pointer, mark it as such. * combine.c (distribute_notes): Handle REG_NOALIAS. * cse.c (struct write_data): Delete. No longer needed. (invalidate): Don't call set_nonvarying_address_components anymore. Use true_dependence to decide if an entry should be removed from the hash table. (invalidate_memory): Remove WRITES argument, simplify appropriately. Fix all callers. (note_mem_written): Similarly for WRITE_PTR argument. (invalidate_from_clobbers): Similarly for W argument. (invalidate_for_call): Remove memory elements from the hash table. (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted. (cse_rtx_varies_p): New function. Derived from old cse_rtx_addr_varies_p. (cse_insn): Remove WRITES_MEMORY and INIT variables and all references. Don't call note_mem_written anymore. Stack pushes invalidate the stack pointer if PUSH_ROUNDING is defined. No longer need to call cse_rtx_addr_varies_p to decide if a MEM should be invalidated. (skipped_writes_memory): Remove variable. (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory. (invalidate_skipped_block): Simplify for new alias analysis code. (cse_set_around_loop): Likewise. (cse_main): Call init_alias_analysis. * flags.h (flag_alias_check, flag_argument_noalias): Declare. * toplev.c (flag_alias_check, flag_argument_noalias): Define. (f_options): Add new alias checking arguments. (main): Set flag_alias_check when optimizing. * local_alloc (validate_equiv_mem_from_store): Add new arguments to true_dependence. (memref_referenced_p): Likewise. * loop.c (NUM_STORES): Increase to 30. (prescan_loop): Only non-constant calls set unknown_address_altered. (invariant_p): Add new arguments to true_dependence. (record_giv): Initialize unrolled and shared fields. (emit_iv_add_mult): Call record_base_value as needed. * loop.h (struct induction): Add unrolled and shared fields. * unroll.c (unroll_loop): Call record_base_value as needed. (copy_loop_body): Likewise. (final_biv_value): Likewise. (final_giv_value): Likewise. (find_splittable_regs): Likewise. Only create one new pseudo if we have multiple address GIVs that were combined with the same dst_reg GIV. Note when a new register is created due to unrolling. * rtl.c (reg_note_name): Add REG_NOALIAS. * rtl.h (enum reg_note): Similarly. (rtx_varies_p, may_trap_p, side_effects_p): Declare. (volatile_refs_p, volatile_insn_p, remove_note): Likewise. (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise. (true_dependence, read_dependence, anti_dependence): Likewise. (output_dependence, init_alias_analysis, end_alias_analysis): Likewise. (mark_user_reg, mark_reg_pointer): Likewise. * Integrate reload bugfix from Wilon which enables the PA port to bootstrap again. * reload1.c (reload): Sum needs for both OPADDR_ADDR and OPERAND_ADDRESS when computing how many registers an insn needs. (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do conflict. (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like OPADDR_ADDR reload. (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers in reload_reg_use_in_op_addr do not reach the end. do not reach the end. (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with RELOAD_FOR_OPERAND_ADDRESS. Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com) * egcs project officially starts.