view gcc/ChangeLog-2007 @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents b7f97abdc517
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2007-12-31  John David Anglin  <>

	PR driver/33772
	* collect2.c (SHLIB_SUFFIX): Define if not defined.
	(write_c_file_stat): Use SHLIB_SUFFIX.
	* som.h (SHLIB_SUFFIX): Define.
	* doc/tm.texi (SHLIB_SUFFIX): Document.

2007-12-29  Uros Bizjak  <>

	* config/i386/ ("*divv4sf3"): Rename to "sse_divv4sf3".
	("*sse_rsqrtv4sf2"): Export.
	("*sse_sqrtv4sf2"): Ditto.
	* config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_RSQRTPS_NR,
	IX86_BUILTIN_SQRTPS_NR]: New constants.
	(struct builtin_description) [IX86_BUILTIN_DIVPS]: Use
	[IX86_BUILTIN_SQRTPS]: Use CODE_FOR_sse_sqrtv4sf2.
	(ix86_init_mmx_sse_builtins): Initialize __builtin_ia32_rsqrtps_nr and
	(ix86_builtin_vectorized_function): Convert BUILT_IN_SQRTF to
	(ix86_builtin_reciprocal): Convert IX86_BUILTIN_SQRTPS_NR to

2007-12-27  Brian Dessent  <>

	* doc/invoke.texi (Optimize Options): Add missing opindex for

2007-12-27  Dorit Nuzman  <>

	PR tree-optimization/34591
	* tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip
	stmts (including reduction stmts) that are not live.

2007-12-27  Jakub Jelinek  <>

	PR target/34281
	* config/arm/arm.c (arm_setup_incoming_varargs): If last named
	argument needs double word alignment and cum->nregs is odd, account
	for the inserted padding.

	PR debug/34535
	* tree-mudflap.c (mf_make_builtin): Make decl artificial
	and don't emit debug info for it.

2007-12-26  Anatoly Sokolov <>

	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Move AT90USB82 
	and AT90USB162 devices from 'avr5' to 'avr35' architecture.
	(ASM_SPEC): Add 'avr35' architecture.
	* config/avr/avr.c (avr_mcu_types): Move AT90USB82 and AT90USB162 
	devices from 'avr5' to 'avr35' architecture.
	(avr_arch_types): Add "avr23" entries.
	(avr_arch): Add 'ARCH_AVR35'.
	* config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add 'avr35'.
	(MULTILIB_MATCHES): Move AT90USB82 and AT90USB162 devices from 'avr5'
	to 'avr35' architecture.

2007-12-22  David Daney  <>

	* doc/install.texi (disable-libgcj-bc): Document new option.

2007-12-21  John David Anglin  <>

	* config/pa/pa.c (hppa_legitimize_address): Use INT14_OK_STRICT in
	mask selection.

	PR target/34525
	* pa.c (legitimize_pic_address): Emit insn to load function label
	forced to memory.

2007-12-21  Andrew Pinski  <>
	Rask Ingemann Lambertsen  <>

	PR target/8835
	* config/mcore/mcore.c (mcore_function_value): Call promote_mode
	instead of PROMOTE_MODE.

2007-12-21  Sebastian Pop  <>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix typo.

2007-12-21  Sebastian Pop  <>

	* tree-data-ref.c (signed_type_for_types): New.
	(affine_fn_op): Use signed_type_for_types and signed_type_for instead
	of long_integer_type_node.
	(analyze_ziv_subscript): Same.
	(analyze_siv_subscript_cst_affine): Same.
	(analyze_miv_subscript): Same.
	(omega_setup_subscript): Same.

2007-12-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_emit_loadgp): Replace gen_* calls with
	separate gen_*_si and gen_*_di calls.  Pass pic_offset_table_rtx
	as the first argument.
	* config/mips/ (loadgp_newabi, loadgp_absolute)
	(loadgp_rtp): Rename to...
	(loadgp_newabi_<mode>, loadgp_absolute<mode>, loadgp_rtp<mode>):
	...these.  Add modes to all operands.  Add the target register
	as an operand.  Combine loadgp_rtp<mode> with its splitter.

2007-12-20  Bob Wilson  <>

	* config/xtensa/ (fix_return_addr): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_initialize_trampoline): New.
	(xtensa_trampoline_template): New.
	* config/xtensa/xtensa.c (MIN_FRAME_SIZE): Moved here from xtensa.h.
	(xtensa_return_addr): Expand to standard Xtensa insns instead of
	fix_return_addr.  Get high bits from a local label.
	(xtensa_trampoline_template): New function with code moved from
	TRAMPOLINE_TEMPLATE in xtensa.h.  Use L32R instead of CALL0 except
	when using CONST16 or absolute-mode literals.
	(xtensa_initialize_trampoline): New function with code moved from
	INITIALIZE_TRAMPOLINE in xtensa.h.  Use different offsets depending
	on which trampoline version is used.
	* config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Add comment.
	* config/xtensa/xtensa.h (TARGET_ABSOLUTE_LITERALS): Define.
	(MIN_FRAME_SIZE): Moved to xtensa.c.
	(TRAMPOLINE_TEMPLATE): Use xtensa_trampoline_template.
	(TRAMPOLINE_SIZE): Two versions of the trampoline have different sizes.
	(INITIALIZE_TRAMPOLINE): Use xtensa_initialize_trampoline.
	* config/xtensa/ieee754-df.S (XCHAL_NO_MUL): Define.
	(__muldf3): Use CALL12 instead of CALL0 to invoke .Lmul_mulsi3
	helper when not using the CALL0 ABI.  Change .Lmul_mulsi3 to match.
	* config/xtensa/lib1funcs.asm (__umulsidi3): Likewise.
	* config/xtensa/ieee754-sf.S (__mulsf3): Likewise.
2007-12-20  Jakub Jelinek  <>

	PR c++/34459
	* tree-ssa-dse.c (dse_optimize_stmt): Don't eliminate store if
	USE_STMT not only stores into the same object as STMT, but might
	read it too.

2007-12-19  Sebastian Pop  <>

	PR tree-optimization/34413
	* tree-data-ref.c (affine_fn_op, analyze_ziv_subscript,
	analyze_siv_subscript_cst_affine, analyze_miv_subscript,
	omega_setup_subscript): Use long_integer_type_node instead of

2007-12-19  John David Anglin  <>

	PR target/34525
	* pa.c (legitimize_pic_address): Force function labels into memory.

2007-12-19  Zdenek Dvorak  <>

	* omp-low.c (build_omp_regions_1): Recognition of combined parallels
	moved ...
	(expand_omp): ... here.

2007-12-19  Zdenek Dvorak  <>

	PR tree-optimization/34355
	* tree-parloops.c (take_address_of): Handle expresions
	instead of just variables.
	(eliminate_local_variables_1): Force whole invariant
	address to ssa name.

2007-12-19  Alexander Monakov  <>
	    Revital Eres  <>

	* modulo-sched.c (generate_reg_moves): Insert the reg-moves
	right before the notes which precedes the insn, if they exists.
	(loop_canon_p): Add dump info.
	(sms_schedule): Likewise.

2007-12-19  Richard Sandiford  <>

	* tree.h (set_decl_incoming_rtl): Add a by_reference_p parameter.
	* emit-rtl.c (set_decl_incoming_rtl): Likewise.  Don't set the
	rtl's register attributes when the parameter is true.
	* function.c (assign_parms_unsplit_complex, assign_parms)
	(expand_function_start): Update calls to set_decl_incoming_rtl.

2007-12-19  Richard Sandiford  <>

	* rtl.def (SUBREG): Update comments.
	* rtl.h (reg_attrs): Be explicit about the type of offset used.
	(set_reg_attrs_from_mem): Rename to...
	(set_reg_attrs_from_value): ...this.
	(adjust_reg_mode, byte_lowpart_offset): Declare.
	* emit-rtl.c (byte_lowpart_offset): New function.
	(update_reg_offset): Remove special offset handling for big-endian
	(gen_rtx_REG_offset, gen_reg_rtx_offset): Explicitly say that the
	offset parameter is added to REG_OFFSET.
	(adjust_reg_mode): New function.
	(set_reg_attrs_for_mem): Rename to...
	(set_reg_attrs_for_value): ...this and generalize to all values.
	If the register is a lowpart of the value, adjust the offset
	(set_reg_attrs_for_parm): Update after the above renaming.
	(set_reg_attrs_for_decl_rtl): New function, split out from
	set_decl_incoming_rtl.  Set the offset of plain REGs to the
	offset of the REG's mode from the decl's.  Assert that all
	subregs are lowparts and handle their inner registers in the
	same way as plain REGs.
	(set_decl_rtl, set_incoming_decl_rtl): Use reg_attrs_for_decl_rtl.
	(subreg_lowpart_offset): Explicitly say that the returned offset
	* combine.c (do_SUBST_MODE, try_combine, undo_all): Use adjust_reg_mode
	instead of PUT_MODE.
	* final.c (alter_subreg): Fix/update argument to gen_rtx_REG_offset.
	* config/ia64/ia64.c (ia64_expand_load_address): Likewise.
	* regclass.c (reg_scan_mark_refs): Use set_reg_attrs_from_value.
	* reload.c (find_reloads_subreg_address): Call set_mem_offset
	when offseting a MEM.
	* var-tracking.c (offset_valid_for_tracked_p): Delete.
	(mode_for_reg_attrs): Replace with...
	(track_loc_p): ...this new function.  Return the mode and offset
	to the caller, checking that the latter is valid.  If the rtx is
	a paradoxical lowpart of the decl, use the decl's mode instead.
	Do the same when storing to a register that contains the entire decl.
	(var_lowpart): Use byte_lowpart_offset rather than
	subreg_lowpart_offset when adjusting the offset attribute.
	(count_uses, add_uses, add_stores): Use track_reg_p instead of
	offset_valid_for_tracked_p and mode_for_reg_attrs.  Generate
	lowparts for MEMs as well as REGs.
	(vt_add_function_parameters): When obtaining the information from
	the decl_rtl, adjust the offset to match incoming.  Use track_loc_p
	and var_lowpart.

2007-12-18  Sebastian Pop  <>

	PR tree-optimization/34123
	* lambda-code.c (can_duplicate_iv): New.
	(cannot_convert_modify_to_perfect_nest): New.
	(cannot_convert_bb_to_perfect_nest): New.
	(can_convert_to_perfect_nest): Split up.

2007-12-18  David Daney  <>

	* config/mips/ (clear_hazard): Use PRINT_OPERAND punctuation
	instead of .set push and .set pop.

2007-12-18  Rask Ingemann Lambertsen  <>

	PR target/33474
	* config/bfin/bfin.c (bfin_adjust_cost): Dig into PARALLELs to find
	the SET.

2007-12-18  Razya Ladelsky <>

	* tree-parloops.c (reduiction_info): Change documentation of
	reduction_initial field.
	(initialize_reductions): Remove creation of reduction_initial variable.
	(create_loads_for_reductions): don't join reduction_initial to
	the loaded value.

2007-12-18  Kaz Kylheku  <>

	PR rtl-optimization/34456
	* resource.c (mark_set_resources): Use regs_invalidated_by_call
	rather than call_used_regs and global_regs.

2007-12-18  Jakub Jelinek  <>

	PR rtl-optimization/34490
	* simplify-rtx.c (simplify_const_relational_operation): If !sign,
	don't reduce mmin/mmax using num_sign_bit_copies.

2007-12-17  Kaveh R. Ghazi  <>

	* doc/install.texi: Change recommended MPFR from 2.2.1 -> 2.3.0.

2007-12-17  Andreas Schwab  <>

	* doc/invoke.texi (Warning Options): Use @itemx.

2007-12-17  Dorit Nuzman  <>

	* tree-vectorizer.h (verbosity_levels): Add new verbosity level
	* tree-vect-transform.c (vect_estimate_min_profitable_iters): Change
	verbosity level to REPORT_COST.
	(vect_model_reduction_cost): Likewise.
	(vect_model_induction_cost): Likewise.
	(vect_model_simple_cost): likewise.
	(vect_model_store_cost): likewise.
	(vect_model_load_cost): likewise.
	(conservative_cost_threshold): Likewise. Remove print.

2007-12-17  Rask Ingemann Lambertsen  <>

	* doc/tm.texi (TARGET_SECONDARY_RELOAD): Fix typos.

2007-12-17  Jakub Jelinek  <>

	PR c/34506
	* c-parser.c (c_parser_omp_all_clauses): Accept optional comma
	in between clauses.

2007-12-17  Dorit Nuzman  <>

	PR tree-optimization/34445
	* tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip 
	stmts (including live stmts) that are not relevant.

2007-12-17  Jack Howarth  <>

	PR target/34025
	* config/i386/t-crtpc: Add $(MULTILIB_CFLAGS).
	* config/i386/t-crtfm: Likewise.

2007-12-17  Uros Bizjak  <>

	* config/i386/i386.h (WIDEST_HARDWARE_FP_SIZE): Define.

2007-12-16  Uros Bizjak  <>

	* tree-vect-transform.c (conservative_cost_threshold): Add missing
	space to "not vectorized" message.

2007-12-16  Richard Sandiford  <>

	PR rtl-optimization/34415
	* df.h (DF_LR_IN, DF_LR_OUT): Update comments.
	* resource.c (mark_target_live_regs): Use DF_LR_IN rather than
	df_get_live_in.  Don't handle pseudos.

2007-12-16  Jakub Jelinek  <>

	PR bootstrap/34003
	* c-decl.c (merge_decls): Copy RTL from olddecl to newdecl.
	* config/pa/pa.c (pa_encode_section_info): If !first, preserve

2007-12-15  Alexandre Oliva  <>

	* tree.c (type_hash_add): Fix whitespace.

2007-12-15  Hans-Peter Nilsson  <>

	Add CRIS v32 support.  Fix -mcc-init.
	* config.gcc: Make crisv32-* have cpu_type cris.  Handle
	crisv32-*-elf and crisv32-*-none like cris-*-elf and cris-*-none
	but without multilibs and with target_cpu_default=32.
	(crisv32-*-linux*): Handle as cris-*-linux*.  Set
	target_cpu_default to 32 and 10 accordingly.
	* config/cris/cris.c (ASSERT_PLT_UNSPEC): Remove unused macro.
	(cris_movem_load_rest_p, cris_store_multiple_op_p): Remove FIXME.
	Change regno_dir and regno only if !TARGET_V32.
	(cris_conditional_register_usage): If TARGET_V32, set
	reg_alloc_order as per REG_ALLOC_ORDER_V32 and make
	CRIS_ACR_REGNUM non-fixed.
	(cris_print_base): Add gcc_assert for post_inc on CRIS_ACR_REGNUM.
	(cris_print_operand) <case 'Z', case 'u'>: New cases.
	<case REG of case 'H'>: Allow for CRIS_SRP_REGNUM.
	(cris_reload_address_legitimized): Always return false for TARGET_V32.
	(cris_register_move_cost): New function, guts from
	REGISTER_MOVE_COST adjusted for CRIS v32.
	(cris_normal_notice_update_cc): New function split out from...
	(cris_notice_update_cc): Set cc_status.flags CC_REVERSED for
	TARGET_CCINIT.  Call cris_normal_notice_update_cc for CC_REV,
	CC_NOOV32 and CC_NORMAL, but set cc_status.flags CC_NO_OVERFLOW
	for CC_NOOV32 and TARGET_V32.
	(cris_simple_epilogue): Always return false for TARGET_V32 if
	cris_return_address_on_stack yields true.
	(cris_cc0_user_requires_cmp): New function.
	(cris_valid_pic_const): Add argument ANY_OPERAND.  All callers
	(cris_asm_output_case_end): New function, guts from
	ASM_OUTPUT_CASE_END adjusted for CRIS v32.
	(cris_override_options): Adjust for CRIS v32.  Mask out
	(cris_asm_output_mi_thunk, cris_expand_epilogue)
	(cris_gen_movem_load, cris_emit_movem_store)
	(cris_expand_pic_call_address, cris_asm_output_symbol_ref)
	(cris_asm_output_label_ref, cris_output_addr_const_extra): Adjust
	for CRIS v32.
	(cris_split_movdx): Copy re-used MEM.
	* config/cris/t-elfmulti: Add multilib v32 for -march=v32.
	* config/cris/
	("cris_general_operand_or_pic_source"): New predicate.
	("cris_general_operand_or_plt_symbol"): Replace by...
	("cris_nonmemory_operand_or_callable_symbol"): New predicate.
	* config/cris/linux.h: Sanity-check TARGET_CPU_DEFAULT for
	presence and contents.
	v32, 0 otherwise.
	* config/cris/cris.h: Sanity-check TARGET_CPU_DEFAULT for contents.
	(CRIS_CC1_SUBTARGET_SPEC): Change default tuning to use
	(ASM_SPEC): Add sanity-check erroring out when both -march= and
	-mcpu= are specified.  Pass on either as --march=v32.
	(CRIS_ASM_SUBTARGET_SPEC): When neither -march= or -mcpu= are
	specified, pass on CRIS_DEFAULT_ASM_ARCH_OPTION.
	(CRIS_CPU_V32): New macro.
	[!TARGET_CPU_DEFAULT]: Default-define as CRIS_CPU_BASE.
	TARGET_DEFAULT definition after new TARGET_CPU_DEFAULT definition.
	Define v32-adjusted TARGET_DEFAULT.
	(TARGET_V32): New macro.
	(REG_ALLOC_ORDER_V32): New macro.
	(HARD_REGNO_MODE_OK): Do not allow larger-than-register-size modes
	(enum reg_class): New classes ACR_REGS, SPEC_ACR_REGS, GENNONACR_REGS
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Adjust for new classes.
	(EXTRA_CONSTRAINT): New constraint 'U'.
	SIMPLE_ADDRESS_P.  Make one chained if-else, finishing as
	non-match after BASE_OR_AUTOINCR_P for TARGET_V32.
	(REGISTER_MOVE_COST): Just call the new function
	(enum cris_pic_symbol_type): Rename cris_gotrel_symbol to
	cris_rel_symbol.  All users changed.
	(REGISTER_NAMES): Replace "pc" with "acr".
	(ASM_OUTPUT_REG_PUSH): Change to v32-compatible sequence.
	(ASM_OUTPUT_REG_POP): Change to v32-compatible syntax.
	(ASM_OUTPUT_CASE_END): Just call the new function
	* gcc/config/cris/ Group related constants together, with
	comments local.
	(CRIS_UNSPEC_CASESI): New constants.
	(CRIS_UNSPEC_PLT): Remove constant.
	(CRIS_ACR_REGNUM): New constant.
	("slottable"): New attr alternatives "has_return_slot" and
	("cc"): New attr alternatives "noov32" and "rev".
	((eq_attr "slottable" "has_call_slot"))
	((eq_attr "slottable" "has_return_slot")): New define_delays.
	("movdi", "movsi"): Adjust operands for CRIS v32.
	("tstdi", "cmpdi", "adddi3", "subdi3", "uminsi3")
	("indirect_jump"): Ditto.  Make define_expand.
	("*tstdi_non_v32", "*tstdi_v32", "*tst<mode>_cmp")
	("*tst<mode>_non_cmp", "*cmpdi_non_v32", "*cmpdi_v32")
	("*movdi_v32", "*adddi3_non_v32", "*adddi3_v32")
	("*addsi3_non_v32", "*addsi3_v32", "*addhi3_non_v32")
	("*addhi3_v32", "*addqi3_non_v32", "*addqi3_v32")
	("*subdi3_non_v32", "*subdi3_v32", "*subsi3_non_v32")
	("*subsi3_v32", "*sub<mode>3_nonv32", "*sub<mode>3_v32")
	("*andqi3_non_v32", "*andqi3_v32", "*iorsi3_non_v32")
	("*iorsi3_v32", "*iorhi3_non_v32", "*iorhi3_v32")
	("*iorqi3_non_v32", "*iorqi3_v32", "*uminsi3_non_v32")
	("*uminsi3_v32", "*indirect_jump_non_v32", "*indirect_jump_v32")
	("*expanded_call_v32", "*expanded_call_value_v32"): New patterns,
	for the corresponding standard name.
	("tst<mode>"): Limit to BW and make define_expand.
	("tstsi"): Make separate insn, adjusting for CRIS v32.
	("*cmp_swapext<mode>"): Adjust for v32.  Specify "rev" for attr "cc".
	("cmpsi", "cmp<mode>"): Remove special cases for zero.  Specify
	attr "cc".
	("*btst"): Don't match for TARGET_CCINIT.  Replace test of
	register with compatible "cmpq 0".  Specify attr "cc".
	("*movdi_insn_non_v32"): New pattern, replacing "*movdi_insn" and
	(define_split for DI move): Match CRIS v32 only.
	("*movsi_got_load", "*movsi_internal", "*addi"): Adjust for CRIS v32.
	("load_multiple", "store_multiple", "*addsbw_v32", "*addubw_v32")
	("*adds<mode>_v32", "*addu<mode>_v32", "*bound<mode>_v32")
	("*casesi_jump_v32", "*expanded_andsi_v32", "*expanded_andhi_v32")
	("*extop<mode>si_v32", "*extopqihi_v32", "*andhi_lowpart_v32")
	("*andqi_lowpart_v32", "cris_casesi_v32"): New patterns. 
	("add<mode>3"): Make addsi3, addhi3 and addqi3 define_expand.
	("sub<mode>3"): Ditto subsi3, subhi3 and subqi3.
	("ior<mode>3"): Ditto iorsi3, iorhi3 and iorqi3.
	("*extopqihi_non_v32"): Replace "*extopqihi".
	("*extop<mode>si_non_v32"): Replace "*extop<mode>si".
	("*addxqihi_swap_non_v32"): Rename from "*extopqihi_swap", make
	non-v32 only.
	("*extop<mode>si_swap_non_v32"): Ditto "*extop<mode>si_swap".
	("*expanded_andsi_non_v32"): Ditto "*expanded_andsi".
	("*expanded_andhi_non_v32"): Ditto "*expanded_andhi".
	("*andhi_lowpart_non_v32"): Ditto "*andhi_lowpart".
	("*andqi_lowpart_non_v32"): Ditto "*andqi_lowpart".
	("*expanded_call_non_v32"): Ditto "*expanded_call".  Change from
	"cris_general_operand_or_plt_symbol" to "general_operand".
	("*expanded_call_value_non_v32") Ditto "*expanded_call_value".
	("*casesi_adds_w", "mstep_shift", "mstep_mul")
	("*expanded_call_side", "*expanded_call_value_side")
	(op-extend-split, op-extend-split-rx=rz, op-extend-split-swapped)
	(op-extend-split-swapped-rx=rz, op-extend, op-split-rx=rz)
	(op-split-swapped, op-split-swapped-rx=rz): Make non-v32 only.
	("dstep_mul", "xorsi3", "one_cmplsi2", "<shlr>si3")
	("*expanded_<shlr><mode>", "*<shlr><mode>_lowpart", "ashl<mode>3")
	("*ashl<mode>_lowpart", "abssi2", "clzsi2", "bswapsi2")
	("cris_swap_bits"): Specify "noov32" for attr "cc".
	("<su>mulsi3_highpart"): Ditto.  Correct operand 0 to register_operand.
	("andqi3"): Make define_expand.
	("*return_expanded"): For attr "slottable", change from "has_slot"
	to "has_return_slot".
	("cris_casesi_non_v32"): New pattern, old contents of "casesi".
	("casesi"): Divert into "cris_casesi_v32" and "cris_casesi_non_v32".
	(moversideqi, movemsideqi, mover2side): Require
	(gotplt-to-plt, gotplt-to-plt-side): Change from CRIS_UNSPEC_PLT
	* config/cris/cris-protos.h (cris_register_move_cost)
	(cris_cc0_user_requires_cmp, cris_asm_output_case_end): Declare.

2007-12-15  Alexandre Oliva  <>

	PR debug/7081
	* dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h.
	(is_type_die): Cover interface types.
	(class_or_namespace_scope_p): Cover interface and class types.
	(record_type_tag): New.
	(gen_inlined_structure_type_die): Use it.
	(gen_struct_or_union_type_die): Likewise.
	(prune_unused_types_walk): Cover interface types.
	* langhooks.h (classify_record): New enum.
	(classify_record): New member in struct langhooks_for_types.
	* langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New.

2007-12-15  Alexandre Oliva  <>

	* dwarf2out.c (reference_to_unused): Don't emit strings in
	initializers just because of debug information.
	* tree.h (TREE_ASM_WRITTEN): Document use for STRING_CSTs.

2007-12-15  Sebastian Pop  <>

	* tree-scalar-evolution.c (number_of_iterations_for_all_loops): Replace
	print_loop_ir with print_loops.
	* tree-flow.h (dot_cfg, debug_loops, debug_loop, debug_loop_num,
	print_loops, print_loops_bb): Declare.
	* tree-cfg.c (print_loops_bb): New.
	(print_loop): Print header, latch, bounds, estimation of iterations.
	(print_loop_and_siblings): New.
	(print_loop_ir): Renamed print_loops.
	(debug_loop_ir): Renamed debug_loops.
	(debug_loop, debug_loop_num): New.

2007-12-15  Bernhard Fischer  <>

	* tree-flow-inline.h.c (next_readonly_imm_use): Fix typo in comment.

2007-12-15  Bernhard Fischer  <>

	* toplev.c (process_options): Fix typo in warning.

2007-12-14  Jakub Jelinek  <>

	PR target/29978
	* config/i386/i386.c (ix86_expand_branch): Optimize LE/LEU/GT/GTU
	DImode comparisons against constant with all 1's in the lower word.

2007-12-14  Uros Bizjak  <>

	* config/i386/ (sse4_2_pcmpestr): Use reg_not_xmm0_operand
	constraint for operand 2.  Use nonimm_not_xmm0_operand constraint
	for operand 4.  Update arguments in the call to
	(sse_4_2_pcmpestr_cconly): Renumber insn operands and update insn
	template accordingly.
	(sse4_2_pcmpistr): Use reg_not_xmm0_operand constraint for operand2.
	Use nonimm_not_xmm0_operand constraint for operand 3.  Update
	arguments in the call to gen_sse4_2_pcmpistr_cconly.
	(sse_4_2_pcmpistr_cconly): Renumber insn operands and update insn
	template accordingly.

2007-12-14  Richard Guenther  <>

	PR middle-end/34462
	* tree-ssa-operands.h (create_ssa_artificial_load_stmt): Add
	parameter to say whether to unlink immediate uses.
	* tree-ssa-operands.c (create_ssa_artificial_load_stmt): Do not
	mark the artificial stmt as modified.  Unlink immediate uses
	only if requested.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Update caller.
	* tree-ssa-pre.c (insert_fake_stores): Likewise.

2007-12-13  Eric Botcazou  <>

	PR middle-end/33088
	* gimplify.c (gimplify_modify_expr_complex_part): Add note to comment.
	* tree-complex.c (init_dont_simulate_again): Return true if there are
	uninitialized loads generated by gimplify_modify_expr_complex_part.
	* tree-gimple.c (is_gimple_reg_type): Return false for complex types
	if not optimizing.
	* tree-ssa.c (ssa_undefined_value_p): New predicate extracted from...
	(warn_uninit):  Use ssa_undefined_value_p.
	* tree-ssa-pre.c (is_undefined_value): Delete.
	(phi_translate_1): Use ssa_undefined_value_p.
	(add_to_exp_gen): Likewise.
	(make_values_for_stmt): Likewise.
	* tree-flow.h (ssa_undefined_value_p): Declare.

2007-12-13  Andrew Pinski  <>
	    David Daney  <>

	PR bootstrap/34144
	* system.h: Make -Wuninitialized non-fatal if ASSERT_CHECKING
	is disabled.

2007-12-13  Jakub Jelinek  <>

	PR rtl-optimization/32636
	* df-scan.c (df_get_entry_block_def_set): Set struct_value_rtx
	regno in entry_block_defs even if HAVE_prologue && epilogue_completed.

2007-12-13  Uros Bizjak  <>
	    Richard Guenther  <>

	PR target/34435
	* config/i386/emmintrin.h (_mm_shuffle_pd, _mm_extract_epi16,
	_mm_insert_epi16, _mm_shufflehi_epi16, _mm_shufflelo_epi16,
	_mm_shuffle_epi32): Cast non-constant input values to either __m64,
	__m128, __m128i or __m128d in a macro version of the intrinsic.
	Cast constant input values to int.
	* config/i386/ammintrin.h (_mm_extracti_si64, _mm_inserti_si64): Ditto.
	* config/i386/bmmintrin.h (_mm_roti_epi8, _mm_roti_epi16,
	_mm_roti_epi32, _mm_roti_epi64): Ditto.
	* config/i386/smmintrin.h (_mm_blend_epi16, _mm_blend_ps, _mm_blend_pd,
	_mm_dp_ps, _mm_dp_pd, _mm_insert_ps, _mm_extract_ps, _mm_insert_epi8,
	_mm_insert_epi32, _mm_insert_epi64, _mm_extract_epi8, mm_extract_epi32,
	_mm_extract_epi64, _mm_mpsadbw_epu8, _mm_cmpistrm, _mm_cmpistri,
	_mm_cmpestrm, _mm_cmpestri, _mm_cmpistra, _mm_cmpistrc, _mm_cmpistro,
	_mm_cmpistrs, _mm_cmpistrz, _mm_cmpestra, _mm_cmpestrc, _mm_cmpestro,
	_mm_cmpestrs, _mm_cmpestrz): Ditto.
	* config/i386/tmmintrin.h (_mm_alignr_epi8, _mm_alignr_pi8): Ditto.
	* config/i386/xmmintrin.h (_mm_shuffle_ps, _mm_extract_pi16, _m_pextrw,
	_mm_insert_pi16, _m_pinsrw, _mm_shuffle_pi16, _m_pshufw): Ditto.
	* config/i386/mmintrin-common.h (_mm_round_pd, _mm_round_sd,
	_mm_round_ps, _mm_round_ss): Ditto.

2007-12-13  Richard Guenther  <>

	PR tree-optimization/34450
	* params.def (PARAM_SCCVN_MAX_SCC_SIZE): New param.
	* invoke.texi (sccvn-max-scc-size): Document.
	* (tree-ssa-sccvn.o): Add $(PARAMS_H) dependency.
	* tree-ssa-sccvn.h (run_scc_vn): Return true on success, false
	on error.
	* tree-ssa-sccvn.c (params.h): Include.
	(DFS): Return true if all went well, return false as soon as
	a SCC exceeds the size of PARAM_SCCVN_MAX_SCC_SIZE.
	(run_scc_vn): Return true if all went well, return false if
	we aborted during DFS.
	* tree-ssa-pre.c (execute_pre): Check if SCCVN finished
	successfully, otherwise bail out.

2007-12-13  Olga Golovanevsky  <>

	* ipa-struct-reorg.c (is_candidate): Print information to dump 
	file when the type is initialized.
	(get_stmt_accesses):  Likewise when a structure has bitfields
	or field access is too complicate.
	(safe_cond_expr_check): Likewise for unsafe condition expressions.
	(exclude_cold_structs): Likewise for cold structures.
	(collect_structures): Suppress redundant print when there are 
	no structures to transform.
	(do_reorg): Print to dump file a number of structures that 
	will be transformed.
	(dump_new_types): Print a number of new types to replace 
	an original structure type.
2007-12-13  Olga Golovanevsky  <>

	* doc/invoke.texi (Optimiza Options): Document new -fipa-struct-reorg
	option and struct-reorg-cold-struct-ratio parameter.
2007-12-13  Torbjorn Granlund  <>

	* config/i386/i386.c (ix86_rtx_costs) [MULT]: Check op0 for
	ZERO_EXTEND when computing costs for widening multiplication.

2007-12-13  Richard Earnshaw  <>

	PR target/30192
	* config/arm/ieee754-df.S (floatundidf): Fix for wrong sp value on
	exit when using hard FPA.
	* config/arm/ieee754-df.S (floatdidf): Likewise.

2007-12-12  Jakub Jelinek  <>

	PR bootstrap/30589
	* doc/install.texi: Document that for MinGW only runtime 3.12 and
	later is supported.

2007-12-12  David Edelsohn  <>

	* config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.

2007-12-12  Aldy Hernandez  <>

	PR tree-optimization/32901
	* gimplify.c (gimplify_modify_expr_rhs): Handle the case when we
	are assigning from a constant constructor.
	Fix wrapping in function comment.

2007-12-12  Andreas Krebbel  <>

	* config/s390/s390.c (s390_O_constraint_str): Limit the range
	for 'On' to -4G+1..-1.
	* config/s390/ Adjust comment accordingly.

2007-12-11  Nathan Sidwell  <>

	* config/rs6000/rs6000.c (rs6000_emit_prologue): Use frame_reg_rtx
	for SPE saves.

2007-12-11  Kai Tietz  <>

	* config/i386/cygming.h (DWARF2_UNWIND_INFO): Handle 64-bit
	target same as 32-bit.

2007-12-10  Jakub Jelinek  <>

	PR tree-optimization/34371
	* tree-vectorizer.h (struct _loop_vec_info): Add num_iters_unchanged
	(LOOP_VINFO_NITERS_UNCHANGED): Define to num_iters_unchanged field.
	* tree-vectorizer.c (set_prologue_iterations,
	slpeel_tree_peel_loop_to_edge): Call unshare_expr on

2007-12-10  Eric Botcazou  <>

	PR target/34403
	* config/i386/i386.c (ix86_expand_movmem): Punt if the count is large.
	(ix86_expand_setmem): Likewise.

2007-12-10  Kenneth Zadeck <>

	PR rtl-optimization/34302
	* auto-inc-dec.c (attempt_change): Change place where move is

2007-12-10  Jakub Jelinek  <>

	* dwarf2out.c (gen_array_type_die, gen_descr_array_type_die): For
	Fortran multi-dimensional arrays use DW_AT_ordering

2007-12-10  Paolo Bonzini  <>

	PR target/32086
	* config/i386/i386.c (override_options): Enable -fvect-cost-model.

2007-12-10 Uros Bizjak <>

	* config/i386/i386.c (ix86_function_regparm): Do not check global_regs
	array, registers that are members of global_regs are also members of
	fixed_regs array.  Use REGPARM_MAX to check that no regparm hard
	register is taken by a fixed register variable.  Check up to and
	including DI_REG when adjusting regparm value due to fixed regs usage.
	(rep_prefix_usable): Check fixed_regs array, not global_regs array for
	available hard registers.
	(ix86_expand_strlen): Ditto.
	* config/i386/ (strmov): Ditto.
	(cmpstrnsi): Ditto.

2007-12-10  Kaz Kojima  <>

	* genopinit.c: Include tm_p.h in generated file.

	* config/arm/ (vec_set<mode>_internal): Use INTVAL
	to extract the integer from operands[2].
	(vec_setv2di_internal): Likewise.

	* config/arm/arm.c (arm_size_return_regs): Make return type unsigned.
	(arm_init_neon_builtins): Move code after declarations.

2007-12-10  Hans-Peter Nilsson  <>

	* reload.c (find_reloads_address_1): To properly mark as an
	autoincdec, pass X for non-NULL OUT in call to push_reload for
	autoincdec which can't be trivially used as an address.

2007-12-10  Pranav Bhandarkar  <>
	    Hans-Peter Nilsson  <>

	* caller-save.c (insert_one_insn): If inserting before a call_insn
	then the registers containing the arguments of the call are
	live_throughout in the new insn.

2007-12-09  John David Anglin  <>

	PR middle-end/32889
	PR target/34091
	* Consolidate HImode and QImode move patterns into one pattern
	each, eliminating floating-point alternatives.
	* pa-protos.h (pa_cannot_change_mode_class, pa_modes_tieable_p):
	Declare functions.
	* pa-64.h (SECONDARY_MEMORY_NEEDED): Define here.
	* pa.c (pa_secondary_reload): Use an intermediate general register
	for copies to/from floating-point register classes.  Simplify code
	SHIFT_REGS class.  Provide additional comments.
	(pa_cannot_change_mode_class, pa_modes_tieable_p): New functions.
	* pa.h (MODES_TIEABLE_P): Use pa_modes_tieable_p.
	(INT14_OK_STRICT): Define.
	(MODE_OK_FOR_SCALED_INDEXING_P): Allow SFmode and DFmode when using
	soft float.
	SFmode and DFmode.
	Align DImode offsets when generating 64-bit code.
	* pa32-regs.h (VALID_FP_MODE_P): Remove QImode and HImode.
	* pa64-regs.h (VALID_FP_MODE_P): Remove QImode and HImode.
	(CANNOT_CHANGE_MODE_CLASS): Define using pa_cannot_change_mode_class.

2007-12-09  Jakub Jelinek  <>

	PR fortran/22244
	* langhooks-def.h (LANG_HOOKS_GET_ARRAY_DESCR_INFO): Define.
	* langhooks.h (struct array_descr_info): Forward declaration.
	(struct lang_hooks_for_types): Add get_array_descr_info field.
	* dwarf2.h (DW_AT_bit_stride, DW_AT_byte_stride): New.
	(DW_AT_stride_size, DW_AT_stride): Keep around for Dwarf2
	* dwarf2out.h (struct array_descr_info): New type.
	* dwarf2out.c (dwarf_attr_name): Rename DW_AT_stride to
	DW_AT_byte_stride and DW_AT_stride_size to DW_AT_bit_size.
	(descr_info_loc, add_descr_info_field, gen_descr_array_type_die):
	New functions.
	(gen_type_die_with_usage): Call lang_hooks.types.get_array_descr_info
	and gen_descr_array_type_die.

2007-12-08  Richard Guenther  <>

	PR tree-optimization/34391
	* tree-vect-transform.c (vect_setup_realignment): Mark new
	symbols for renaming.

2007-12-07  Bob Wilson  <>
	* config/xtensa/xtensa.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2007-12-07  Richard Guenther  <>

	PR middle-end/34382
	* opts.c (common_handle_option): Handle OPT_fforce_addr.

2007-12-07  Aldy Hernandez  <>

	* m32c.h (LEGITIMIZE_ADDRESS): Use WIN instead of win.

2007-12-07  Samuel Tardieu  <>

	PR ada/29157
	* doc/install.texi: Explain how to check for a clean environment when
	building GNAT.

2007-12-07  Richard Guenther  <>

	* tree-profile.c (gcov_type_tmp_var): New global variable.
	(tree_gen_edge_profiler): Use a single shared variable decl per
	function for edge counter incrementing.
	(tree_profiling): Re-set the shared variable.

2007-12-06  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_va_start): Add prototype.

2007-12-06  Tom Tromey  <>

	PR c/29172
	* c-opts.c (c_common_parse_file): Call cpp_clear_file_cache.

2007-12-06  Richard Sandiford  <>

	* config/mips/mips.c (mips_function_ok_for_sibcall): Check
	targetm.binds_local_p as well as DECL_EXTERNAL.

2007-12-06  Harsha Jagasia <>

	* tree-vectorizer.c (slpeel_add_loop_guard): Gimplify the condition.
	(set_prologue_iterations): New. Set the prologue iterations to total
	number of scalar iterations if the cost model check indicates that
	scalar code should be generated.
	(slpeel_tree_peel_loop_to_edge): Add a new parameter and code for 
	generating the cost condition for epilog. Call
	set_prologue_iterations to generate cost condition for prolog.
	(new_loop_vec_info): Initialize LOOP_VINFO_NITERS_UNCHANGED.
	* tree-vectorizer.h (LOOP_VINFO_NITERS_UNCHANGED): New.
	(slpeel_tree_peel_loop_to_edge): Update declaration.
	(set_prologue_iterations): New declaration.
	* tree-vect-analyze.c (vect_analyze_loop_form): Update 
	* tree-vect-transform.c
	(vect_estimate_min_profitable_iters): Add new parameter and
	code to  check if run time cost model test is needed.
	Remove code that adds builtin vectorization cost to scalar
	outside cost for the run time cost model test. If run time
	cost model test is needed add the appropriate guard cost to
	the scalar outside cost. The guard cost depends on whether
	the guard is generated at versioning or at prolog generation
	or at epilog generation. Change cost model equation to include
	scalar outside cost.
	(conservative_cost_threshold): New. Return the less conservative
	profitability threshold between the cost model threshold and the
	user defined vectorization threshold.
	(vect_do_peeling_for_loop_bound): Call conservative_cost_threshold.
	(vect_do_peeling_for_alignment): Same.
	(vect_loop_versioning): Same.
	(vect_create_cond_for_align_checks): ANDs the cost model condition
	with the alignment condition.
	(vect_transform_loop): Call loop versioning only when there is a
	misalignment or an aliasing problem.

2007-12-06  Jakub Jelinek  <>

	PR middle-end/20983
	* tree-ssa-ccp.c (optimize_stdarg_builtin): New function.
	(execute_fold_all_builtins): Call it for BUILT_IN_VA_START,

	* target.h (struct ggc_target): Add expand_builtin_va_start hook.
	* target-def.h (TARGET_EXPAND_BUILTIN_VA_START): Define.
	* builtins.c (expand_builtin_va_start): Use
	targetm.expand_builtin_va_start hook instead of
	* alpha/alpha.c (alpha_va_start): Made static.
	(override_options): Clear targetm.expand_builtin_va_start if
	* alpha/unicosmk.h (EXPAND_BUILTIN_VA_START): Remove.
	* alpha/alpha.h (EXPAND_BUILTIN_VA_START): Remove.
	* alpha/alpha-protos.h (alpha_va_start): Remove prototype.
	* xtensa/xtensa.h (EXPAND_BUILTIN_VA_START): Remove.
	* xtensa/xtensa.c (TARGET_EXPAND_BUILTIN_VA_START): Define.
	(xtensa_va_start): Made static.
	* xtensa/xtensa-protos.h (xtensa_va_start): Remove prototype.
	* pa/pa-protos.h (hppa_va_start): Remove prototype.
	* pa/pa.h (EXPAND_BUILTIN_VA_START): Remove.
	* pa/pa.c (hppa_va_start): Made static, add prototype.
	* frv/frv.c (frv_expand_builtin_va_start): Made static, add prototype.
	* frv/frv-protos.h (frv_expand_builtin_va_start): Remove prototype.
	* frv/frv.h (EXPAND_BUILTIN_VA_START): Remove.
	* i386/i386.c (override_options): Clear
	targetm.expand_builtin_va_start if -m32 or 64-bit MS ABI.
	(ix86_va_start): Made static.
	* i386/i386.h (EXPAND_BUILTIN_VA_START): Remove.
	* i386/i386-protos.h (ix86_va_start, ix86_va_arg): Remove prototypes.
	* iq2000/iq2000-protos.h (iq2000_va_start): Remove prototype.
	* iq2000/iq2000.h (EXPAND_BUILTIN_VA_START): Remove.
	* iq2000/iq2000.c (iq2000_va_start): Made static, add prototype.
	* rs6000/rs6000-protos.h (rs6000_va_start): Remove prototype.
	* rs6000/rs6000.c (rs6000_va_start): Made static, add prototype.
	(rs6000_override_options): Clear targetm.expand_builtin_va_start if
	* rs6000/rs6000.h (EXPAND_BUILTIN_VA_START): Remove.
	* spu/spu.c (spu_va_start): Made static, add prototype.
	* spu/spu.h (EXPAND_BUILTIN_VA_START): Remove.
	* spu/spu-protos.h spu_va_start): Remove prototype.
	* stormy16/stormy16.h (EXPAND_BUILTIN_VA_START): Remove.
	* stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_start):
	Remove prototype.
	* stormy16/stormy16.c (xstormy16_expand_builtin_va_start): Made static.
	* s390/s390-protos.h (s390_va_start): Remove prototype.
	* s390/s390.c (s390_va_start): Made static.
	* s390/s390.h (EXPAND_BUILTIN_VA_START): Remove.
	* mn10300/mn10300.h (EXPAND_BUILTIN_VA_START): Remove.
	* mn10300/mn10300-protos.h (mn10300_va_start): Remove prototype.
	* mn10300/mn10300.c (mn10300_va_start): Made static, add prototype.
	* arc/arc.c (arc_va_start): Made static, add prototype.
	* arc/arc.h (EXPAND_BUILTIN_VA_START): Remove.
	* arc/arc-protos.h (arc_va_start): Remove prototype.
	* mt/mt-protos.h (mt_va_start): Remove prototype.
	* sparc/sparc.c (sparc_va_start): Made static, add prototype.
	* sparc/sparc-protos.h (sparc_va_start): Remove prototype.
	* sparc/sparc.h (EXPAND_BUILTIN_VA_START): Remove.
	* sh/sh.c (sh_va_start): Made static, add prototype.
	* sh/sh-protos.h (sh_va_start): Remove prototype.
	* sh/sh.h (EXPAND_BUILTIN_VA_START): Remove.
	* mips/mips-protos.h (mips_va_start): Remove prototype.
	* mips/mips.h (EXPAND_BUILTIN_VA_START): Remove.
	* mips/mips.c (mips_va_start): Made static.

2007-12-06  Uros Bizjak  <>

	* tree-ssa-loop.c (gate_tree_parallelize_loops): Return true when
	"flag_tree_parallelize_loops > 1".
2007-12-06  Zdenek Dvorak  <>
	    Dorit Nuzman  <>
	    Jakub Jelinek  <>

	PR tree-optimization/34005
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Add a case for COND_EXPR.
	* gimplify.c (gimplify_ctx): Add a new member allow_rhs_cond_expr.
	(gimplify_pure_cond_expr): New function.
	(generic_expr_could_trap_p): New function.
	(gimplify_cond_expr): Call gimplify_pure_cond_expr.
	(force_gimple_operand): Initialize new field allow_rhs_cond_expr.

2007-12-06  Andreas Krebbel  <>

	* config/s390/s390.c (s390_emit_stack_tie): New function.
	(s390_emit_prologue): Emit a stack tie when writing to the
	f8-f15 stack slots.
	* config/s390/ ("stack_tie"): New insn definition.

2007-12-06  Ben Elliston  <>

	* SERVICE: Remove.
	* doc/sourcebuild.texi (Miscellaneous Docs): Remove SERVICE item.

2007-12-05  Jakub Jelinek  <>

	PR middle-end/34337
	* fold-const.c (fold_binary) <case BIT_IOR_EXPR>: Don't minimize
	number of bits set in C1 if a mode mask for some mode can be used

2007-12-05  Bernhard Fischer  <>

	* varasm.c (merge_weak, weak_finish, assemble_alias): Commentary typo

2007-12-05  Richard Guenther  <>

	PR tree-optimization/34138
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Do not forward propagate addresses if that changes volatileness of
	the pointed-to type.

2007-12-05  Uros Bizjak  <>

	PR target/34312
	* config/i386/i386.c (ix86_function_regparm): Also check for fixed
	registers when checking that regparm registers are available.
	Lower regparm value due to fixed registers usage in addition to
	global regs usage.

2007-12-05  Bernhard Fischer  <>

	* sparseset.c: Include config.h and system.h before sparseset.h.
	* sparseset.h: Remove inclusion of system.h.

2007-12-05  Jakub Jelinek  <>
	    Richard Sandiford  <>

	* optabs.c (init_insn_codes): New function.
	(new_optab): Delete.
	(init_optab, init_optabv): Don't call new_optab.
	(init_convert_optab): Don't clear the insn codes.
	(init_optabs): Call init_insn_codes.

2007-12-04  Jakub Jelinek  <>

	* omp-low.c (optimize_omp_library_calls): New function.
	(expand_omp_parallel): Call it if optimizing.

	PR middle-end/34134
	* stmt.c (expand_stack_restore): Call expand_normal on var to get
	rtx for it instead of assuming it will be a VAR_DECL.

2007-12-04  Manuel Lopez-Ibanez  <>

	* c-parser (c_parser_statement_after_labels): Move error from here...
	(c_parser_label): ... to here. Check that the declaration is not
	actually just another label.

2007-12-04  Richard Guenther  <>

	PR middle-end/34334
	PR middle-end/34222
	* tree-ssa-operands.c (get_addr_dereference_operands): If we
	fall back to using the SMTs aliases, make sure to add virtual
	operands for the SMT itself.
	(create_ssa_artificial_load_stmt): Fix typo.  Make sure to also
	clear the loaded and stored symbols bitmaps.

2007-12-04  Ben Elliston  <>

	* config/spu/spu.h (ASM_FORMAT_PRIVATE_NAME): Remove; use default.

2007-12-04  Ben Elliston  <>

	* doc/tm.texi (Exception Handling): Mention unwind-dw2-xtensa.c.

2007-12-03  Steven Bosscher  <>

	PR middle-end/33713
	* doc/invoke.texi: Remove -fforce-addr documentation.
	* expr.c (emit_move_insn): Remove use of flag_force_addr.
	(expand_expr_real_1): Same.
	(do_tablejump): Same.
	Call memory_address instead of memory_address_noforce.
	* expr.h (memory_address_noforce): Remove prototype.
	* explow.c (memory_address): Remove support for flag_force_addr.
	(validize_mem): Same.
	(memory_address_noforce): Remove.
	* common.opt: Add dummy documentation for -fforce-addr.
	* combine.c (can_combine_p): Remove -fforce-addr comment.
	* config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove set of
	* config/m68k/m68k.h (PIC_CASE_VECTOR_ADDRESS): Remove comment
	relating to memory_address_noforce.
	* testsuite/gcc.c-torture/compile/20050802-1.c: Remove.
	* testsuite/gcc.c-torture/compile/20011113-1.c: Remove.
2007-12-03  Jakub Jelinek  <>

	* omp-low.c (lookup_decl_in_outer_ctx): Allow calling this
	with !ctx->is_nested.
	(maybe_lookup_decl_in_outer_ctx): Look up in outer contexts
	even if !ctx->is_nested.
	(lower_copyprivate_clauses, lower_send_clauses,
	lower_send_shared_vars): Call lookup_decl_in_outer_ctx

	PR middle-end/29749
	* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Optimize
	(X << C1) & C2 into (X << C1) & (C2 | ((1 << C1) - 1))
	and (X >> C1) & C2 into (X >> C1) & (C2 | ~((type) -1 >> C1)).
	(fold_binary) <case LSHIFT_EXPR, case RSHIFT_EXPR>: Optimize
	(X & C2) << C1 into (X << C1) & (C2 << C1) and
	(X & C2) >> C1 into (X >> C1) & (C2 >> C1) if that allows further

	PR tree-optimization/33453
	* tree-data-ref.c (split_constant_offset): Use POINTER_PLUS_EXPR
	for pointer addition.
	* tree-parloops.c (canonicalize_loop_ivs): Likewise.
	(separate_decls_in_loop_name): Copy DECL_GIMPLE_REG_P from var to

2007-12-03  Bernd Schmidt  <>

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __FDPIC__ as

2007-12-03  Razya Ladelsky <>

	* doc/invoke.texi (fipa-cp, fipa-matrix-reorg): Add documentation.

2007-12-03  Jakub Jelinek  <>

	PR middle-end/34317
	* opts.c (common_handle_option): Handle OPT_ftree_store_copy_prop.
	* common.opt (ftree-store-copy-prop): Use the same help text as for
	other nop switches.

2007-12-02  Ayal Zaks  <>
	    Revital Eres  <>

	* modulo-sched.c (calculate_must_precede_follow,
	try_scheduling_node_in_cycle): New functions.
	(sms_schedule_by_order): Call the new functions.
	(ps_insn_find_column): Use must_follow and must_precede only if
	they are not NULL.
	(ps_insn_advance_column): Likewise.

2007-12-02  Ayal Zaks  <>
	    Revital Eres  <>

	* modulo-sched.c (get_sched_window): Fix the direction of the
	scheduling window and add dump info.

2007-12-02  Samuel Tardieu  <>

	* config/sh/ (cmpgeusi_t): Fix condition.

2007-11-30  Jan Hubicka  <>

	* ggc-common.c (dump_ggc_loc_statistics): Reset ggc_force_collect flag.

2007-11-30  Seongbae Park <>

	PR rtl-optimization/34171
	* cfgrtl.c (update_bb_for_insn_chain): New function,
	refactored from update_bb_for_insn.
	(update_bb_for_insn): Call update_bb_for_insn.
	(rtl_merge_blocks, try_redirect_by_replacing_jump):
	Replace a loop with update_bb_for_insn_chain call.
	(cfg_layout_merge_blocks): Add a call to
	update_bb_for_insn_chain. Replace the for loop
	with a call to update_bb_for_insn_chain.

2007-11-30  Ben Elliston  <>

	* config/vax/vax.h (ASM_FORMAT_PRIVATE_NAME): Remove. Use default.

2007-11-29  Zdenek Dvorak  <>

	PR tree-optimization/34244
	* tree-vrp.c (adjust_range_with_scev): Clear scev cache.
	(record_numbers_of_iterations): New function.
	(execute_vrp): Cache the numbers of iterations of loops.
	* tree-scalar-evolution.c (scev_reset_except_niters): New function.
	(scev_reset): Use scev_reset_except_niters.
	* tree-scalar-evolution.h (scev_reset_except_niters): Declare.

2007-11-29  Jan Hubicka  <>
	    Jakub Jelinek  <>

	PR tree-optimization/33434
	* tree-inline.c (setup_one_parameter): If the value passed to
	a parameter is never used, don't set it up.

2007-11-29  Jakub Jelinek  <>

	PR target/32130
	* config/rs6000/eabi-cn.asm (__DTOR_END__): Make it weak.
	* config/rs6000/sol-cn.asm (__DTOR_END__): Likewise.

2007-11-29  Andris Pavenis <>

	* Use separate vpath lines for each path.

2007-11-29  Ben Elliston  <>

	* SERVICE: Update URL.

2007-11-28  Jakub Jelinek  <>

	PR tree-optimization/34140
	* tree-if-conv.c (if_convertible_phi_p): Fail if BB other than
	loop->header has virtual phi nodes.

2007-11-28  Richard Sandiford  <>

	PR target/32406
	* builtins.c (expand_builtin_nonlocal_goto): Also emit a use
	of GP register, if valid and fixed.

	2007-06-21  David Daney  <>

	PR target/32406
	* config/mips/ (define_constants): Rename UNSPEC_EH_RECEIVER
	(exception_receiver): Renamed to ...
	(nonlocal_goto_receiver): ... this.

2007-11-27  H.J. Lu  <>
	    Joey Ye <>

	PR target/34001
	* config/i386/i386.c (function_arg_32): Don't pass aggregate
	arguments in ECX/EDX for fastcall.

2007-11-28  Rask Ingemann Lambertsen  <>

	* config/i386/linux.h (CRT_GET_RFIB_DATA): Add Intel syntax inline
	asm to macro.
	* config/i386/sco5.h (CRT_GET_RFIB_DATA): Likewise.
	* config/i386/sysv4.h (CRT_GET_RFIB_DATA): Likewise.

2007-11-28  Ben Elliston  <>

	* config/rs6000/aix64.opt (maix64): Add Negative(maix32).
	(maix32): Add Negative(maix64).

2007-11-27  Jakub Jelinek  <>

	PR tree-optimization/34016
	* tree-ssa-loop.c (pass_linear_transform): Add
	TODO_update_ssa_only_virtuals to todo_flags_finish.

2007-11-27  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add atmega32hvb.
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.
2007-11-27  Jakub Jelinek  <>

	PR target/34225
	* config/rs6000/rs6000.c (adjacent_mem_locations): Don't assume
	MEM_SIZE is set on all MEMs.

2007-11-27  Andreas Krebbel  <>

	* config/s390/s390.opt (mhard-float): Add the option to be
	overridden.  That was missing in my last patch.

2007-11-27  Richard Guenther  <>

	PR tree-optimization/34241
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Make sure
	to only delete real conversion chains.

2007-11-27  Andreas Krebbel  <>

	* config/s390/s390.opt (m31, m64, mesa, mzarch, msoft-float,
	mhard-float, mlong-double-64, mlong-double-128): Add the
	option to be overridden.

2007-11-27  Richard Guenther  <>

	* builtins.c (fold_builtin_1): Verify the argument types
	(fold_builtin_n): Verify the number of arguments to variadic
	built-in functions.

2007-11-27  Bernd Schmidt  <>

	* config/bfin/elf.h (SUBTARGET_DRIVER_SELF_SPECS): New macro.
	* doc/invoke.texi (Blackfin Options): Document the effects.

2007-11-27  Ben Elliston  <>

	* config/rs6000/sysv4.opt (m32): Add Negative(m64).
	(m64): Add Negative(m32).
	* config/rs6000/darwin.opt (m32): Add Negative(m64).
	(m64): Add Negative(m32).

2007-11-26  Eric Botcazou  <>

	* tree-ssa-propagate.c (set_rhs) <GIMPLE_MODIFY_STMT>: Fix typo.

2007-11-26  Michael Meissner  <>

	PR target/34077
	* config/i386/i386.c (ix86_expand_movmem): If the copy size is a
	constant, avoid calling emit_cmp_and_jump_insns.  Use counter_mode
	to get the mode for loading a pseudo register with a count rather
	than duplicating code.

2007-11-25  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add atmega1284p.
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-11-26  Manuel Lopez-Ibanez  <>
	* c-common.c (conversion_warning): Use get_unwidened instead of
2007-11-26  Manuel Lopez-Ibanez  <>

	PR c/23722
	* c-parser.c (struct c_parser): New bit in_if_block.
	(c_parser_compound_statement_nostart): Handle unexpected 'else'
	(c_parser_statement_after_labels): Set in_if_block to false while
	(c_parser_if_body): Don't call c_parser_statement_after_labels if
	a semicolon is found, just consume it. Don't call
	c_parser_statement_after_labels if an open brace is found, call
	c_parser_compound_statement instead.
	(c_parser_else_body): New.
	(c_parser_if_statement): Set in_if_block to true when parsing the
	body of the 'if' statement. Use c_parser_else_body.

2007-11-26  Andreas Krebbel  <>

	PR c++/34081
	* c-decl.c (store_parm_decls): Pass 'false' for the new
	allocate_struct_function parameter.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* tree-parloops.c (create_loop_fn): Likewise.
	* function.c (push_function_context_to, push_struct_function,
	init_function_start): Likewise.
	(allocate_struct_function): Add boolean parameter.
	* tree.h (allocate_struct_function): Add boolean parameter.
	* function.h (struct function): Move returns_struct and
	returns_pcc_struct to the end of the structure definiton.

2007-11-26  Uros Bizjak  <>

	PR target/34215
	* config/i386/ (truncdfsf2): Select SLOT_TEMP stack slot if
	virtual registers are already instantiated.
	(truncxf<mode>2): Ditto.
	(floatsi<mode>2): Ditto.
	(floatdisf2): Ditto.
	(floatdidf2): Ditto.

2007-11-26  Rask Ingemann Lambertsen  <>

	PR target/34174
	* config/fr30/fr30.c (fr30_move_double): Sanitize mem->reg case. Copy
	the address before it is clobbered.

2007-11-26  Nick Clifton  <>

	* config/mn10300/ (call_internal): Remove mode on
	operand 0 in order to match UNPSEC'ed calls generated in PIC mode.
	(call_value_internal): Remove mode on operands 0 and 1 in order to
	match UNPSEC'ed calls generated in PIC mode.
	(GOTaddr2picreg): Use copy_rtx to prevent sharing an rtx between
	two insns.

2007-11-26  Richard Guenther  <>

	PR middle-end/34233
	* builtins.c (expand_builtin_pow): Use expand_expr to expand
	the result of build_call_expr.

2007-11-26  Steven Bosscher  <> 
	    Revital Eres  <> 

	PR middle-end/34085
	* bb-reorder.c (insert_section_boundary_note): Clear

2007-11-26  Richard Sandiford  <>

	* config/mips/elfoabi.h (DRIVER_SELF_SPECS): Add missing comma.

2007-11-26  Alexandre Oliva  <>

	* dwarf2asm.c (splay_tree_compare_strings): New function.
	(dw2_force_const_mem): Use it.

2007-11-26  Alexandre Oliva  <>

	* tree.c (type_hash_add): Don't violate strict aliasing rules.

2007-11-26  Alexandre Oliva  <>

	PR c/27898
	* c-typeck.c (tagged_types_tu_compatible_p): Enable exact
	matches between anonymous union fields.

2007-11-26  Alexandre Oliva  <>, Jan Hubicka  <>

	* tree-ssa-live.c (remove_unused_scope_block_p): Drop
	declarations and blocks only after inlining.  Check that
	non-empty blocks are not dropped.
	* tree-inline.c (expand_call_inline): Check that functions are
	not inlined too late.

2007-11-26  Ben Elliston  <>

	* unwind-dw2-fde.c: Fix comment typo.
	* unwind-generic.h: Likewise, fix comment typos.
2007-11-25  Richard Sandiford  <>

	* tree-sra.c (scalarize_use): Adjust the vpos argument to
	sra_explode_bitfield_assignment in cases where the type is
	wider than the bitfield.

2007-11-25  Richard Guenther  <>

	* tree.h (struct tree_block): Move locus member next to flags.
	(pop_scope): Likewise.
	* function.c (instantiate_decls_1): Likewise.
	(setjmp_vars_warning): Likewise.
	* emit-rtl.c (set_used_decls): Likewise.
	* tree-inline.c (add_lexical_block): Likewise.

2007-11-24  Hans-Peter Nilsson  <>

	* rtlanal.c (label_is_jump_target_p): Return true for a matching
	* reorg.c (fill_slots_from_thread): Correct last change to use
	NULL_RTX, not NULL.  Outside of REG_NOTES loop, increase and
	decrease LABEL_NUSES for JUMP_LABEL (trial), not XEXP (note, 0).
	* jump.c (mark_jump_label_1): Add comment for last change
	regarding JUMP_LABEL setting.
	* gcse.c (add_label_notes): Remove conditional that the label is
	mentioned in insn before adding regnote.
	* sched-rgn.c (is_cfg_nonregular): Don't return 1 for a
	single_set insn only feeding a label to a jump through a
	register that dies there.

2007-11-23  Dirk Mueller  <>
	    Richard Guenther <>

	PR middle-end/34197
	* tree-vrp.c (check_array_ref): Move check for valid location..
	(check_array_bounds) here. Use EXPR_HAS_LOCATION().

2007-11-23  Hans-Peter Nilsson  <>

	* reload.c (find_reloads_address_1) <autoincdec cases>:
	Call REG_OK_FOR_CONTEXT with the autoincdec code, not outer_code.

2007-11-23  Richard Guenther  <>
	    Michael Matz  <>

	PR tree-optimization/34176
	* alloc-pool.h (empty_alloc_pool): Declare.
	* alloc-pool.c (empty_alloc_pool): New function.
	* tree-ssa-sccvn.c (vn_reference_lookup): Also lookup from the
	valid table if a lookup from the optimistic table failed.
	(vn_unary_op_lookup): Likewise.
	(vn_binary_op_lookup): Likewise.
	(vn_phi_lookup): Likewise.
	(process_scc): Clear optimistic tables before every iteration.

2007-11-23  Richard Guenther  <>

	* tree-ssa-copy.c (may_propagate_copy): Remove redundant checks.
	(merge_alias_info): Do verification only if checking is
	enabled.  Merge flow-sensitive alias information in simple cases.
	* tree-ssa-operands.c (get_addr_dereference_operands): Also
	complain about missing NMTs.

2007-11-23  Jakub Jelinek  <>

	PR c++/34198
	* c-common.c (conversion_warning): For INTEGER_TYPE to
	INTEGER_TYPE conversions call get_narrower on expr to avoid
	spurious warnings from binop shortening or when the implicit
	conversion can't change the value.

2007-11-22  Joseph Myers  <>

	PR c/14050
	* c-decl.c (set_array_declarator_inner): Don't give error for
	static or type qualifiers in abstract declarator.  Remove
	abstract_p parameter.
	* c-tree.h (set_array_declarator_inner): Update prototype.
	* c-parser.c (c_parser_direct_declarator_inner): Update call to
	* doc/standards.texi: Update for C99 TC3.

2007-11-22  Hans-Peter Nilsson  <>

	* config/mmix/mmix.c (mmix_encode_section_info): Remove duplicate
	line in my edit of the last change.

2007-11-22  Jakub Jelinek  <>

	PR target/33947
	* config/arm/arm.c (arm_init_tls_builtins): Set TREE_NOTHROW
	and TREE_READONLY on the fn decl rather than passing a chain
	of attributes.

2007-11-22  Kaz Kojima  <>

	* config/sh/ (divsi_inv_m3): Handle zero dividend specially.

2007-11-22  Uros Bizjak  <>

	* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Change checking
	of ix86_arch and ix86_tune into a switch statement.
	(enum processor_type): Default PROCESSOR_I386 to 0.
	* config/i386/i386.c (ix86_decompose_address): Use TARGET_K6 instead
	of "ix86_tune == PROCESSOR_K6".
	(ia32_multipass_dfa_lookahead): Change checking of ix86_tune into
	a switch statement.

2007-11-22  Tom Tromey  <>

	* config/mmix/mmix.c (mmix_encode_section_info): Use alloca to
	avoid writing into string allocated by ggc_alloc_string.

2007-11-21  Kaz Kojima  <>

	PR target/34155
	* config/sh/ (binary_sf_op): Remove.
	(binary_sf_op0, binary_sf_op1): New define_insn_and_split.
	* config/sh/sh.c (sh_expand_binop_v2sf): Use gen_binary_sf_op0
	and gen_binary_sf_op1.

2007-11-21  Hans-Peter Nilsson  <>

	* regclass.c (init_reg_autoinc): Fix typo preventing test of
	secondary output reload when setting forbidden_inc_dec_class.

2007-11-21  Richard Guenther  <>

	PR tree-optimization/34148
	* tree-ssa-structalias.c (create_variable_info_for): Do not use
	field-sensitive PTA for single-element structures.
	* tree-ssa-alias.c (create_overlap_variables_for): Do not create
	SFTs for single-element structures.

2007-11-20  Richard Guenther  <>

	PR middle-end/34154
	* gimplify.c (gimplify_switch_expr): Use tree_int_cst_lt instead
	of the signed INT_CST_LT.
	* stmt.c (expand_case): Likewise.
	(estimate_case_costs): Likewise.

2007-11-20  Rask Ingemann Lambertsen  <>

	* read-rtl.c (fatal_expected_char): Print EOF as text rather that
	its binary representation.

2007-11-20  Richard Guenther  <>

	* tree-ssa-operands.c (add_virtual_operand): Consistently prune

2007-11-20  Thiemo Seufer  <>

	* config/mips/mips.c (mips_file_start): Add support for
	flagging 32-bit code with -mfp64 floating-point.

2007-11-20  Jakub Jelinek  <>

	PR c/34146
	* c-gimplify.c (optimize_compound_literals_in_ctor): New function.
	(c_gimplify_expr): Use it.

2007-11-20  Ben Elliston  <>

	* config/spu/spu_mfcio.h: Fix typo.

2007-11-20  Ben Elliston  <>

	* Comment that unwind-sjlj.c includes this file.

2007-11-20  Ulrich Weigand  <>
	    Ben Elliston  <>

	* config/spu/mfc_tag_release.c: New file.
	* config/spu/mfc_multi_tag_release.c: Likewise.
	* config/spu/mfc_multi_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_release.c: Likewise.
	* config/spu/mfc_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_table.c: Likewise.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Compile them.
	* config/spu/spu_mfcio.h: Avoid <stdint.h>.
	(uint64_t): Typedef if __IN_LIBGCC2 is defined.
	(mfc_tag_reserve, mfc_tag_release, mfc_multi_tag_reserve,
	mfc_multi_tag_release): Likewise.
	(__mfc_tag_reserve, __mfc_tag_release, __mfc_multi_tag_reserve,
	__mfc_multi_tag_release): Declare.

2007-11-19  Jason Merrill  <>

	PR debug/28834, debug/29436, c/32326
	* tree.c (build_type_attribute_qual_variant): Refuse to make
	a distinct copy of a struct/enum type.  Use build_distinct_type_copy.
	* doc/extend.texi (Type Attributes): Don't encourage people to add
	attributes to struct/enum types in a typedef.  Fix
	transparent_union example.

	* tree-inline.c (remap_type_1): Remove code that's redundant with
	(build_duplicate_type): Set id.copy_decl.
	* c-common.c (handle_transparent_union_attribute): Simplify logic.

2007-11-19  Peter Bergner  <>

	* config/rs6000/rs6000.c (invalid_e500_subreg,
	rs6000_legitimate_offset_address_p, legitimate_lo_sum_address_p,
	rs6000_legitimize_address, rs6000_legitimize_reload_address,
	rs6000_legitimate_address, function_arg_advance,
	spe_build_register_parallel, rs6000_spe_function_arg,
	rs6000_split_multireg_move, spe_func_has_64bit_regs_p,
	emit_frame_save, gen_frame_mem_offset, rs6000_function_value,
	rs6000_libcall_value, rs6000_dwarf_register_span): Handle DDmode and
	TDmode similarly to DFmode and TFmode.
	* config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,

2007-11-19  Eric Botcazou  <>

	* stor-layout.c (lang_adjust_rli): Delete.
	(set_lang_adjust_rli): Likewise.
	(layout_type): Do not call lang_adjust_rli hook.
	* tree.h (set_lang_adjust_rli): Delete.

2007-11-19  Bernd Schmidt  <>
	* config/bfin/bfin.c (must_save_p): New function, mostly broken out of
	n_dregs_to_save and n_pregs_to_save.
	(n_pregs_to_save, n_dregs_to_save): Use it.  New argument CONSECUTIVE;
	all callers changed.
	(expand_prologue_reg_save, expand_epilogue_reg_restore): Enhance to be
	able to save single D/P registers that aren't saved by the push/pop
	multiple insns.

2007-11-19  Richard Guenther  <>

	PR tree-optimization/34099
	* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
	if only one operand is undefined.

2007-11-19  Eric Botcazou  <>

	PR tree-optimization/34036
	* opts.c (set_fast_math_flags): Do not set flags in common
	with set_unsafe_math_optimizations_flags, invoke it directly.
	(set_unsafe_math_optimizations_flags): Unset flag_trapping_math
	and flag_signed_zeros.
	* toplev.c (process_options): Force flag_associative_math to 0 and
	warn, if it is set and either flag_trapping_math or flag_signed_zeros
	is set too.
	* doc/invoke.texi (Optimize Options): Document the new behavior
	of -funsafe-math-optimizations, that -fassociative-math requires
	both -fno-signed-zeros and -fno-trapping-math and make it clear
	that -fno-trapping-math requires -fno-signaling-nans.  Refactor
	documentation of -ffast-math.

2007-11-18  Jakub Jelinek  <>

	PR rtl-optimization/34132
	* gcse.c (try_replace_reg): Avoid rtx sharing between REG_EQUAL note
	and insn.

	PR middle-end/33335
	* optabs.h (optab_table): Change type to struct optab from optab.
	(convert_optab_table): Similarly.
	Adjust all _optab macros to expand to addresses of optab_table
	resp. convert_optab_table elements rather than the values of the
	* optabs.c (optab_table): Change typype to struct optab from optab.
	If compiled by recent GCC, initialize all the insn_code fields in
	the array using designated range initializers.
	(convert_optab_table): Similarly.
	(convert_optab_libfunc, optab_libfunc, set_optab_libfunc,
	set_conv_libfunc): Into libfunc_entry's optab field store index within
	optab_table resp. convert_optab_table array instead of difference
	between two separately malloced addresses.
	(new_optab): Add op argument, don't return anything.  Initialize
	just the insn_code field in handlers array and only when needed.
	(init_optab, init_optabv): Add op argument, don't return anything.
	Adjust new_optab caller.
	(new_convert_optab): Removed.
	(init_convert_optab): Add op argument, don't return anything, don't
	call new_convert_optab.  If needed, initialize insn_code field in
	handlers array.
	(init_optabs): Adjust init_optab, init_optabv and init_convert_optab
	(debug_optab_libfuncs): Adjust uses of optab_table and
	convert_optab_table arrays.

2007-11-18  Richard Guenther  <>

	PR tree-optimization/34127
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Make code match up the comments, require compatibility of the
	pointed-to types.

2007-11-17  Richard Guenther  <>

	PR middle-end/34130
	* fold-const.c (extract_muldiv_1): Do not move negative
	constants inside ABS_EXPR.

2007-11-16  Ian Lance Taylor  <>

	* collect2.c (dump_file): If a demangled symbol is followed by a
	space, make sure we output at least one space.

2007-11-16  Richard Guenther  <>

	PR middle-end/34030
	* fold-const.c (fold_binary): Use correct types for folding
	1 << X & Y to Y >> X & 1.

2007-11-16  Richard Guenther  <>

	PR tree-optimization/33870
	* tree.h (struct tree_memory_tag): Add base_for_components flag.
	(struct tree_struct_field_tag): Remove nesting_level field.
	* tree-flow.h (struct fieldoff): Remove nesting_level field.  Add
	base_for_components flag.
	(push_fields_onto_fieldstack): Remove nesting_level parameter.
	* tree-ssa-alias.c (create_sft): Likewise.  Add base_for_components
	(create_overlap_variables_for): Deal with it.
	* tree-dfa.c (dump_subvars_for): Likewise.
	(dump_variable): Likewise.
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise.
	Set base_for_components for first elements of sub-structures.
	(create_variable_info_for): Handle base_for_components.
	(set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for
	pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set.
	* tree-ssa-operands.c (ref_nesting_level): Remove.
	(add_vars_for_offset): Remove full_ref parameter, always add
	the offset of the pointed-to SFT.
	(add_virtual_operand): Adjust for changed signature of

2007-11-16  Sa Liu  <>

	* config/spu/ (floatunssidf2, floatunsdidf2): Inlined 
	floatunssidf2 and floatunsdidf2.

2007-11-16  Richard Guenther  <>

	PR tree-optimization/34113
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Use correct conversion direction for checking type compatibility.

2007-11-16  Richard Guenther  <>

	PR tree-optimization/34099
	* tree-ssa-ccp.c (likely_value): Use a whitelist for operators
	that produce UNDEFINED result if at least one of its operands
	is UNDEFINED.  By default the result is only UNDEFINED if all
	operands are UNDEFINED.

2007-11-16  Jakub Jelinek  <>

	PR driver/30460
	* gcc.c (init_spec): Don't initialize asm_debug here...
	(main): ... but here.

2007-11-07  Tom Tromey  <>

	* tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'. 
	* tree-parloops.c (create_loop_fn): Use set_cfun.
	* gengtype.c (open_base_files): Emit #undef cfun.
	* ipa-struct-reorg.c (do_reorg_1): Use set_cfun.
	* function.h (cfun): New define.
	* function.c: Undefine cfun.

2007-11-07  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add attiny88.
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-11-15  Jakub Jelinek  <>

	PR middle-end/23848
	* tree-ssa-ccp.c (optimize_stack_restore): New function.
	(execute_fold_all_builtins): Call optimize_stack_restore for

2007-11-15  Paolo Bonzini  <>

	* fwprop.c (try_fwprop_subst): Skip profitability check for forward
	propagation into an address; that's done in should_replace_address.
2007-11-15  Ulrich Weigand  <>

	* config/spu/spu-protos.h (legitimate_const): Remove prototype.
	* config/spu/spu.c (legitimate_const): Remove.
	(classify_immediate): Inline call to legitimate_const.
	(spu_legitimate_address): Likewise.  Allow SYMBOL_REF + CONST_INT
	for any constant, not just -512 .. 511.

2007-11-15  Sa Liu  <>

	* config/spu/spu.c (spu_emit_branch_or_set): Remove PROCESSOR_CELL
	condition from HONOR_NANS test.
	* config/spu/ (ceq_df): Always generate comparison code
	inline, including checks for NaNs and infinities.
	(cgt_df): Likewise.
	(cgt_v2df): Likewise.
	(cmpdf): Make this expander unconditional.

2007-11-15  Richard Guenther  <>

	* tree-ssa-alias.c (create_overlap_variables_for): Make sure
	to only create SFTs if we also create variable infos for PTA.
	* tree-ssa-structalias.c (set_uids_in_ptset): Add all overlapping SFTs.

2007-11-15  Richard Guenther  <>

	* tree-ssa-structalias.c (set_uids_in_ptset): Use the pointed-to
	type for TBAA pruning.
	(find_what_p_points_to): Call set_uids_in_ptset with the original
	pointer, not the decl of the solution we collapsed to.

2007-11-14  David Daney  <>

	* config/mips/linux-unwind.h (mips_fallback_frame_state): Use CFA
	to find sigcontext.

2007-11-14  Eric Botcazou  <>

	PR target/33923
	* config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Forbid mode changes
	for registers in BR_REGS class.

2007-11-14  Jakub Jelinek  <>

	PR middle-end/34088
	* tree-ssa.c (delete_tree_ssa): Don't call fini_ssa_operands if
	init_ssa_operands has not been called for cfun.

2007-11-14  Eric Botcazou  <>

	PR tree-optimization/34046
	* cfg.c (update_bb_profile_for_threading): Avoid the division for the
	scaling if the old probability is greater than the new base.

2007-11-14  Sebastian Pop  <>

	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Remove
	unused edges after loop duplication.

2007-11-14  Uros Bizjak  <>

	* config/i386/i386.h (TARGET_CPU_DEFAULT_*): Substitute with ...
	(enum target_cpu_default): ... this enum.
	(TARGET_CPU_DEFAULT_NAMES): Remove macro.  Move initializer to ...
	* config/i386/i386.c (override_options): ... here.
	* config/i386/i386-interix.h (TARGET_CPU_DEFAULT): Use

2007-11-14  Rask Ingemann Lambertsen  <>

	* global.c (rest_of_handle_global_alloc): Fix comment typos.
	* config/sh/sh.c (sh_rtx_costs): Likewise.
	* ChangeLog: Likewise.

2007-11-13  Sebastian Pop  <>

	* tree-chrec.h (build_polynomial_chrec): RHS of a chrec
	should not be of pointer type.

2007-11-13  Michael Meissner  <>

	* config/i386/i386.c (ix86_sse5_valid_op_p): Put type on separate line.

2007-11-13  Sterling Augustine  <>
	    Bob Wilson  <>
	* config/xtensa/unwind-dw2-xtensa.c: New.
	* config/xtensa/unwind-dw2-xtensa.h: New.
	* config/xtensa/xtensa.h (MUST_USE_SJLJ_EXCEPTIONS): Remove.
	* config/xtensa/ (UNSPECV_EH_RETURN): Define.
	(eh_return): New.
	* config/xtensa/t-xtensa (LIB2ADDEH): Define.
2007-11-13  Jakub Jelinek  <>

	* doc/invoke.texi: Fix description of -fsched-stalled-insns=0,

	PR tree-optimization/34063
	* tree-chrec.c (chrec_evaluate): Put CHREC_LEFT based argument
	as first chrec_fold_plus operand rather than second.

2007-11-13  Diego Novillo  <>

	PR tree-optimization/33870
	* tree.h (strcut tree_memory_tag): Add field unpartitionable.
	Remove field in_nested_struct.
	(struct tree_struct_field_tag): Add field nesting_level.
	(sft_in_nested_struct): Remove.
	(sft_nesting_level): Define.
	(sft_unpartitionable_p): Define.
	* tree-ssa-alias.c (mem_sym_score): If mp->var is not
	partitionable, return long_max.
	(compute_memory_partitions): Do not partition sfts marked
	(create_sft): Add argument nesting_level.  Set
	sft_nesting_level with it.  Update all users.
	(create_overlap_variables_for): Show nesting level.
	* tree-dfa.c (dump_subvars_for): Likewise.
	(dump_variable): Likewise. Show whether the sft is
	partitionable or not.
	* tree-flow.h (struct fieldoff): Remove field in_nested_struct.
	Add field nesting_level.
	* tree-ssa-structalias.c (struct variable_info): Remove
	field in_nested_struct.
	(push_fields_onto_fieldstack): Add argument nesting_level.
	Update all users.  Update documentation. Update pair->nesting_level
	with nesting_level.  Make recursive calls with nesting_level + 1.
	(set_uids_in_ptset): If an sft is added to the points-to set,
	mark it as unpartitionable.
	* tree-ssa-operands.c (ref_nesting_level): New.
	(add_vars_for_offset): Call it.  Add argument full_ref. Update
	callers.  If var is inside a nested structure and the nesting level
	of full_ref is lower than the nesting level of var,
	adjust offset by the offset of var.

2007-11-13  Victor Kaplansky  <>

	PR tree-optimization/32582
	* (CRTSTUFF_CFLAGS): Add -fno-tree-vectorize

2007-11-12  Danny Smith  <>

	* doc/extend.texi (dllimport): Document that pointers to dllimport'd
	functions can be used as constant.

2007-11-12  Eric Botcazou  <>

	PR rtl-optimization/34035
	* cse.c (cse_cfg_altered): New global variable.
	(cse_jumps_altered): Make boolean.
	(recorded_label_ref): Likewise.
	(cse_insn): Adjust for above changes.
	(cse_extended_basic_block): Likewise.  Set cse_cfg_altered
	if dead edges have been purged.
	(cse_main): Change return value specification and adjust code.
	(rest_of_handle_cse): Adjust for above change.
	(rest_of_handle_cse2): Likewise.
	* gcse.c (rest_of_handle_gcse): Likewise.

2007-11-12  Dwarakanath Rajagopal  <>
	    Michael Meissner  <>

	* config/i386/ (sse5_setcc<mode>): Use <ssemodefsuffix> to
	get the appropriate suffix for the coms* instruction.
	(sse5_pcmov_<mode>): Restrict operands of pcmov
	for scalar case to be only xmm registers and not memory.

	* config/i386/ (sse5_pcmov_<mode>): Correct the operand
	constraints to follow the mnemonics for the pcmov instruction	

2007-11-12  Richard Sandiford  <>

	PR target/34042
	* config/mips/mips.c (mips_return_fpr_single): New function.
	(mips_function_value): Use it when returning single-field
	aggregates in FPRs.
	(mips_expand_call): Handle the PARALLELs created by

2007-11-12  Richard Guenther  <>

	PR middle-end/34070
	* fold-const.c (fold_binary): If testing for non-negative
	operands with tree_expr_nonnegative_warnv_p make sure to
	use op0 which has all (sign) conversions retained.

2007-11-12  Richard Guenther  <>

	PR middle-end/34027
	* fold-const.c (fold_binary): Fold n - (n / m) * m to n % m.
	(fold_binary): Fold unsinged FLOOR_DIV_EXPR to TRUNC_DIV_EXPR.

2007-11-12  Ira Rosen  <>

	PR tree-optimization/33953
	* tree-vect-transform.c (vectorizable_operation): In case of SLP,
	allocate vec_oprnds1 according to the number of created vector
	statements. In case of shift with scalar argument, store scalar
	operand for every vector statement to be created for the SLP node.
	Fix a comment.

2007-11-10  Steven Bosscher  <>

	* gcse.c (CUID_INSN): Remove.
	(cuid_insn): Ditto.
	(alloc_gcse_mem): Don't allocate cuid_insn.
	(free_gcse_mem): Don't free cuid_insn.

2007-11-10  Jakub Jelinek  <>

	PR fortran/34020
	* gimplify.c (goa_lhs_expr_p): Inside INDIRECT_REF handle unshared

	PR middle-end/34018
	* tree-inline.h (copy_body_data): Add regimplify field.
	* tree-inline.c (copy_body_r): Set id->regimplify to true
	if an TREE_INVARIANT ADDR_EXPR is no longer invariant after
	(copy_bb): Clear id->regimplify before walk_tree, if it is
	set afterwards, regimplify the whole statement.

	PR tree-optimization/33680
	* tree-data-ref.c (split_constant_offset) <case ADDR_EXPR>: Punt
	if the added cast involves variable length types.

2007-11-09  Alexander Monakov  <>
	    Maxim Kuvyrkov  <>

	* sched-deps.c (sched_analyze_insn): Use MOVE_BARRIER
	instead of TRUE_BARRIER for jumps.  Add register dependencies
	even when reg_pending_barrier is set.

2007-11-09  Alexander Monakov  <>

	* haifa-sched.c (haifa_classify_insn): Rename to ...
	(haifa_classify_rtx): ...  this.  Improve handling of COND_EXECs,
	handle PARALLELs by recursing.  Use it ...  
	(haifa_classify_insn): ...  here.  Reimplement.

2007-11-09  Richard Guenther  <>

	* bitmap.h (bitmap_single_bit_set_p): Declare.
	* bitmap.c (bitmap_single_bit_set_p): New function.
	* tree-ssa-alias.c (add_may_alias_for_new_tag): Use it.
	(maybe_create_global_var): Use bitmap_empty_p.

2007-11-09  Paolo Bonzini  <>
	    Jakub Jelinek  <>

	PR rtl-optimization/34012
	* fwprop.c (try_fwprop_subst): Do not replace if the new
	SET_SRC has a higher cost than the old one.

2007-11-09  Eric Botcazou  <>

	PR rtl-optimization/33732
	* reload.c (push_reload): Check that the REG_DEAD note was referring
	to a hardreg or to a pseudo that has been assigned exactly one hardreg
	before considering it in order to select the reload register.
	(combine_reloads): Likewise.
	(find_dummy_reload): Likewise.

2007-11-09  Richard Guenther  <>

	* tree-flow.h (struct ptr_info_def): Make escape_mask a ENUM_BITFIELD.
	(struct ptr_info_def): Likewise.
	(enum escape_type): Also use bit zero.

2007-11-09  Richard Guenther  <>

	PR tree-optimization/33604
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Disregard changes in CV qualifiers of pointed to types for
	forward propagating ADDR_EXPRs.
	* tree-ssa-ccp.c (fold_stmt_r): Preserve volatileness of the original

2007-11-09  Richard Sandiford  <>

	* dse.c (find_shift_sequence): Always choose an integer mode for
	(replace_read): Require both the read and store mode to be
	integer ones.  Remove a then-redundant FLOAT_P check.

2007-11-08  Richard Guenther  <>

	* tree-dfa.c (remove_referenced_var): If removing a
	variable which has subvars, also remove those from
	the referenced vars.  Do not create a variable annotation.

2007-11-08  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_expand_prologue): Remove first
	argument for gen_entry calls.
	* config/xtensa/ Add new "entry" value to "type" attribute.
	(entry): Use the new attribute value.  Remove unused first operand.

2007-11-08  Tom Tromey  <>

	* c-parser.c (c_parser_translation_unit): Use location in error.
	(c_parser_external_declaration): Likewise.
	(c_parser_declaration_or_fndef): Likewise.
	(c_parser_enum_specifier): Likewise.
	(c_parser_struct_or_union_specifier): Likewise.
	(c_parser_struct_declaration): Likewise.
	(c_parser_typeof_specifier): Likewise.
	(c_parser_parms_list_declarator): Likewise.
	(c_parser_asm_string_literal): Likewise.
	(c_parser_braced_init): Likewise.
	(c_parser_initelt): Likewise.
	(c_parser_compound_statement_nostart): Likewise.
	(c_parser_statement_after_labels): Likewise.
	(c_parser_do_statement): Likewise.
	(c_parser_asm_statement): Likewise.
	(c_parser_conditional_expression): Likewise.
	(c_parser_unary_expression): Likewise.
	(c_parser_sizeof_expression): Likewise.
	(c_parser_postfix_expression): Likewise.
	(c_parser_postfix_expression_after_paren_type): Likewise.
	(c_parser_objc_class_instance_variables): Likewise.
	(c_parser_objc_method_definition): Likewise.
	(c_parser_objc_methodprotolist): Likewise.
	(c_parser_pragma): Likewise.
	(c_parser_omp_clause_num_threads): Likewise.
	(c_parser_omp_clause_schedule): Likewise.
	(c_parser_omp_all_clauses): Likewise.
	(c_parser_omp_sections_scope): Likewise.
	(c_parser_label): Use location of label, not colon.

2007-11-08  Danny Smith  <>

	PR target/33774
	* config/i386/cygming.h (BIGGEST_FIELD_ALIGNMENT): Define only if

2007-11-07  Kenneth Zadeck <>

	PR middle-end/33826
	* ipa-pure-const.c (static_execute): Added code to keep recursive
	functions from being marked as pure or const.
	* ipa-utils.c (searchc): Fixed comment.
2007-11-08  Tom Tromey  <>

	* common.opt (fshow-column): Default to 0.
	* configure: Rebuilt.
	* (--enable-mapped-location): Default to 'yes'.

2007-11-07  Kenneth Zadeck <>

	* common.opt: Add pointer to doc/options.texi.
	* doc/invoke.texi (-fdse, -fdce, -fauto-inc-dec, -fipa-pure-const,
	-fipa-reference): Add or correct doc.  Sorted options list for -Os
	-O, -O2.

2007-11-07  Bernhard Fischer  <>

	PR target/16350
	* config.gcc: For arm*b-* define TARGET_BIG_ENDIAN_DEFAULT.
	* config/arm/linux-elf.h (TARGET_ENDIAN_DEFAULT): Define based on
	(LINUX_TARGET_LINK_SPEC): Pass -mlittle-endian on to the assembler.
	* config/arm/linux-eabi.h (TARGET_LINKER_EMULATION): Set according
	* config/arm/bpabi.h (TARGET_DEFAULT_MASK): Set according

2007-11-07  Diego Novillo  <>

	* tree.h (struct tree_struct_field_tag): Move field
	in_nested_struct ...
	(struct tree_memory_tag): ... here.

2007-11-07  Diego Novillo  <>

	PR 33870
	* tree.h (struct tree_struct_field_tag): Add field in_nested_struct.
	* tree-dfa.c (dump_subvars_for): Show offset of each sub-var.
	* tree-flow.h (struct fieldoff): Add field in_nested_struct.
	* tree-ssa-structalias.c (struct variable_info): Likewise.
	(push_fields_onto_fieldstack): If OFFSET is positive,
	set in_nested_struct.
	(create_variable_info_for): Copy setting of
	in_nested_struct from the field offset object.
	(set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the
	variable info object.
	* tree-ssa-operands.c (add_vars_for_offset): If VAR
	belongs to a nested structure, adjust OFFSET by SFT_OFFSET(VAR).

2007-11-07  Eric Botcazou  <>

	PR rtl-optimization/33737
	* cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of
	target block after computing the probabilities of outgoing edges.
	Cap the frequency to BB_FREQ_MAX.
	* tree-ssa-threadupdate.c (redirect_edges): Also adjust count and
	frequency of the basic block if it has been reused.

2007-11-07  Eric Botcazou  <>

	PR rtl-optimization/33822
	* rtl.h (REG_OFFSET): Fix comment.
	* var-tracking.c (INT_MEM_OFFSET): New macro.
	(var_mem_set): Use it.
	(var_mem_delete_and_set): Likewise.
	(var_mem_delete): Likewise.
	(same_variable_part_p): Likewise.
	(vt_get_decl_and_offset): Likewise.
	(offset_valid_for_tracked_p): New predicate.
	(count_uses): Do not track locations with invalid offsets.
	(add_uses): Likewise.
	(add_stores): Likewise.

2007-11-07  Tom Tromey  <>

	* (tree-ssa-structalias.o): Depend on $(FUNCTION_H)
	(BASIC_BLOCK_H): Add vec.h, $(FUNCTION_H).

2007-11-07  Dmitry Zhurikhin  <>
	    Andrey Belevantsev  <>

	* modulo-sched.c (sms_order_nodes, permute_partial_schedule,
	generate_prolog_epilog, duplicate_insns_of_cycles): Fix prototypes.
	(calculate_order_params, sms_order_nodes): New parameter pmax_asap.
	Save calculated max_asap in it. 	
	(sms_schedule): Calculate maxii using max_asap.

2007-11-07  Andreas Krebbel  <>

	* doc/invoke.texi: Replace rs6000 dfp switches -mdfp/-mno-dfp
	with -mhard-dfp/-mno-hard-dfp.

2007-11-07  Maxim Kuvyrkov  <>
	    Jakub Jelinek  <>

	PR middle-end/33670
	* haifa-sched.c (check_sched_flags): Remove.
	(sched_init): Don't call it.

2007-11-06  Diego Novillo  <>

	* tree-flow.h (struct fieldoff): Reformat comment. Document fields.
	* tree-ssa-operands.c: Tidy top-level comments.
	(add_vop): Likewise.
	(add_vars_for_offset): Tidy parameter formatting..
	(get_addr_dereference_operands): Likewise.
	(get_indirect_ref_operands): Likewise.
	(get_expr_operands) <OMP_ATOMIC_LOAD>: Reformat.
	<OMP_ATOMIC_STORE>: Likewise.

2007-11-06  Rask Ingemann Lambertsen  <>

	PR target/32787
	* config/i386/driver-i386.c: Test for __GNUC__ instead of
	GCC_VERSION which is always defined.

2007-11-06  Ulrich Weigand  <>

	PR target/30961
	* reload.c (find_reloads): Also check in_reg when handling a
	simple move with an input reload and a destination of a hard

2007-11-06  Maxim Kuvyrkov  <>

	* config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes.
	(m68k_sched_attr_type2): New function.
	(sched_adjust_cost_state): New static variable.
	(m68k_sched_adjust_cost): New static function implementing
	scheduler hook.
	(sched_ib_size, sched_ib_filled, sched_ib_insn, sched_mem_unit_code):
	New static variables.
	(m68k_sched_variable_issue): New static function implementing
	scheduler hook.
	(sched_dump_class_def, sched_dump_class_func_t): New typedefs.
	(sched_dump_split_class): New static function.
	(sched_dump_dfa_guess_unit_code, sched_dump_dfa_state): New static
	(sched_dump_dfa_class, m68k_sched_dump): New static function.
	(m68k_sched_md_init_global, m68k_sched_md_finish_global,
	m68k_sched_md_init, m68k_sched_dfa_pre_advance_cycle,
	m68k_sched_dfa_post_advance_cycle): New static functions implementing
	scheduler hooks.

	* config/m68k/m68k.h (m68k_sched_attr_type2): Declare.

	* config/m68k/ New file.
	* config/m68k/ ( New include.

2007-11-06  Tom Tromey  <>

	PR c++/32256
	PR c++/32368
	* function.c (saved_in_system_header): New global.
	(push_cfun): Save in_system_header.
	(pop_cfun): Restore in_system_header.
	(push_struct_function): Save in_system_header.

2007-11-06  Douglas Gregor  <>

	PR c++/33977
	PR c++/33886
	* c-common.c (c_build_qualified_type): Moved to c-typeck.c.
	(complete_array_type): Set canonical type appropriately.
	* c-typeck.c (c_build_qualified_type): Moved from c-common.c. The
	C and C++ front ends now have different versions of this function,
	because the C++ version needs to maintain canonical types here.

2007-11-04  Razya Ladelsky  <>
	* tree-parloops.c (reduction_info): Remove reduction_init field.
	(initialize_reductions): Remove creation of the reduction_init variable.
	(struct data_arg): Remove.
	(add_field_for_reduction, create_stores_for_reduction): New functions.
	(add_field_for_name): Remove reduction handling.
	(separate_decls_in_loop): Call add_field_for_reduction,

2007-11-06  Jakub Jelinek  <>

	PR tree-optimization/33458
	* tree-inline.c (copy_phis_for_bb): If PHI arg substitution creates
	!is_gimple_val PHI argument, gimplify it and insert it on edge.

	PR tree-optimization/33993
	* tree-vect-transform.c (vect_get_constant_vectors): Use build_vector
	rather than build_constructor_from_list if all list values are
	(get_initial_def_for_induction): Use build_vector instead of

2007-11-05  Mark Mitchell  <>

	PR target/33579
	* tree.c (decl_init_priority_lookup): Remove assert.
	(decl_fini_priority_insert): Likewise.
	* cgraphunit.c (static_ctors): Make it a VEC.
	(static_dtors): Likewise.
	(record_cdtor_fn): Adjust accordingly.
	(build_cdtor): Generate multiple functions for each initialization
	(compare_ctor): New function.
	(compare_dtor): Likewise.
	(cgraph_build_cdtor_fns): Sort the functions by priority before
	calling build_cdtor.
	(cgraph_build_static_cdtor): Put the priority in the function's name.

2007-11-05  H.J. Lu  <>

	PR driver/32632
	* common.opt: Add shared and pie.

2007-11-05  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Do not
	replace references to virtual_stack_vars_rtx in goto_handler.

2007-11-05  Paul Brook  <>

	* config.gcc (arm*-*-*): Set c_target_objs and cxx_target_objs.
	* config/arm/arm.c (arm_lang_output_object_attributes_hook): New.
	(arm_file_start): Don't set Tag_ABI_PCS_wchar_t.  Call
	* config/arm/arm.h (arm_lang_output_object_attributes_hook): Declare.
	(REGISTER_TARGET_PRAGMAS): Call arm_lang_object_attributes_init.
	* config/arm/arm-protos.h (arm_lang_object_attributes_init): Add
	* config/arm/t-arm.c (arm.o): New rule.
	* config/arm/arm-c.c: New file.

2007-11-05  Nick Clifton  <>
	    Sebastian Pop  <>

	PR tree-optimization/32540
	PR tree-optimization/33922
	* doc/invoke.texi: Document PARAM_MAX_PARTIAL_ANTIC_LENGTH.
	* tree-ssa-pre.c: Include params.h.
	(compute_partial_antic_aux): Use PARAM_MAX_PARTIAL_ANTIC_LENGTH
	to limit the maximum length of the PA set for a given block.
	* Add a dependency upon params.h for tree-ssa-pre.c
	* params.def (PARAM_MAX_PARTIAL_ANTIC_LENGTH): New parameter.

2007-11-05  Nathan Sidwell  <>

	* libgcc2.c (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
	__fixunssfDI): Make return type unsigned.
	* libgcc2.h (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
	__fixunssfDI): Make return type unsigned.

2007-11-05  Jakub Jelinek  <>

	PR tree-optimization/33856
	* tree-data-ref.c (get_references_in_stmt): Don't add
	REFERENCE_CLASS_P trees to references vector if get_base_address
	returns NULL on them.

2007-11-05  Alexandre Oliva  <>

	* cfg.c (dump_cfg_bb_info): Update bb_bitnames to match enum.

2007-11-04  Andrew Pinski  <>

	PR middle-end/32931
	* fold-const.c (fold_binary <case EQ_EXPR>): Convert the inner type
	for TRUTH_NOT_EXPR to type.

2007-11-04  Gerald Pfeifer  <>

	* doc/contrib.texi (Contributors): Add Manuel Lopez-Ibanez.

2007-11-04  Francois-Xavier Coudert  <>

	PR fortran/10220
	* dwarf2out.c (add_calling_convention_attribute): Change
	second argument. Set calling convention to DW_CC_program for
	Fortran main program.
	(gen_subprogram_die): Adjust to new prototype for

2007-11-03  Dorit Nuzman  <>

	PR tree-optimization/33987
	* tree-vect-transform.c (get_initial_def_for_reduction): Fix assert.
	Fix indentation.
	(vectorizable_reduction): Add type check.

2007-11-03  Manuel Lopez-Ibanez  <>

	PR c/29062
	* c-parser.c (c_parser_statement_after_labels): Error if a
	declaration is parsed after a label.
2007-11-03  Daniel Jacobowitz  <>

	PR debug/33921
	* reorg.c (emit_delay_sequence): Do not clear the locator on
	the jump instruction.

2007-11-03  Jakub Jelinek  <>

	PR middle-end/33670
	* haifa-sched.c (ok_for_early_queue_removal): Don't walk out of the
	current sched region.

2007-11-02  Jakub Jelinek  <>

	* config/ia64/ia64.c (struct reg_write_state): Change into
	unsigned short bitfields rather than unsigned int, decrease
	first_pred to just 10 bits.
	(rws_insn): Change into a bitmap or if not ENABLE_CHECKING
	into two char array.
	(rws_insn_set, rws_insn_test): New functions.
	(in_safe_group_barrier): New variable.
	(rws_update): Remove first argument, always set rws_sum array.
	(rws_access_regno): Use rws_insn_set macro.  Only call rws_update
	or update rws_sum if !in_safe_group_barrier, adjust rws_update args.
	(rtx_needs_barrier): Use rws_insn_test macro.
	(safe_group_barrier_needed): Don't save/restore rws_sum array,
	instead set/clear in_safe_group_barrier flag.

2007-11-02  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_expand_prologue): Put a
	REG_FRAME_RELATED_EXPR note on the last insn that sets up the stack
	pointer or frame pointer.
	* config/xtensa/xtensa.h (DWARF_UNWIND_INFO): Delete.

2007-11-02  Tom Tromey  <>

	* varpool.c (dump_varpool): Use 'next', not 'next_needed' when
	traversing pool.

2007-11-02  Diego Novillo  <>

	* langhooks.h (struct lang_hooks_for_callgraph): Remove third
	argument from function pointer ANALYZE_EXPR.  Update all users.
	* cgraph.c (debug_cgraph_node): New.
	(debug_cgraph): New.

2007-11-02  Jakub Jelinek  <>

	PR rtl-optimization/33648
	* cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of
	the newly created basic block.

2007-11-01  Richard Guenther  <>

	* ggc-page.c (extra_order_size_tab): Add bitmap_head size.

2007-11-01  Steven Bosscher  <>

	PR rtl-optimization/33828
	* gcse.c (compute_code_hoist_vbeinout): Fix order of computation

2007-11-01  Eric Botcazou  <>

	* optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks.
	* sched-rgn.c (compute_trg_info): Zero 'el' local variable.
	* tree-if-conv.c (process_phi_nodes): Zero 'cond' local variable.

2007-11-01  Nathan Sidwell  <>

	* gcc.c (getenv_spec_function): Escape the environment variable's

2007-11-01  Janis Johnson  <>

	* doc/invoke.texi (Optimize Options): Under -fcse-follow-jumps,
	show that CSE means common subexpression elimination.  Change wording
	for -fsee and define LCM.  Remove capitalization of optimizations
	for -ftree-reassoc, -ftree-pre, and -ftree-fre.

2007-11-01  Janis Johnson  <>

	PR testsuite/25352
	* doc/sourcebuild.texi (Test Directives): Document that xfail
	has no effect for dg-do except when dg-do-what is "run".

2007-11-01  Tom Tromey  <>

	* c-decl.c (grokdeclarator): Set decl source locations.
	* c-parser.c (c_parser_enum_specifier): Set location.
	(c_parser_struct_or_union_specifier): Likewise.

2007-11-01  Tom Tromey  <>

	* print-tree.c (print_node): Print column number.

2007-11-01  Jakub Jelinek  <>

	PR debug/33537
	* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
	gen_decl_die): Use TREE_TYPE (TREE_TYPE (decl)) as type
	rather than TREE_TYPE (decl) if DECL_BY_REFERENCE (decl).

	PR rtl-optimization/33673
	* gcse.c (cprop_jump): If a conditional jump has been optimized
	into unconditional jump, make the remaining normal edge fallthru
	and delete the jump insn.

2007-11-01  Ben Elliston  <>

	* emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.
	(set_mem_attrs_from_reg): Likewise.

2007-11-01  Michael Matz  <>

	PR tree-optimization/33961
	* tree-ssa-phiopt.c (struct New member.
	(name_to_bb_hash, name_to_bb_eq): Consider and check it.
	(add_or_mark_expr): New argument 'store', using it to search
	the hash table.
	(nt_init_block): Adjust calls to add_or_mark_expr.

2007-10-31  Jakub Jelinek  <>

	PR target/31507
	* config/i386/ (pushsf_rex64): Use X instead of < constraints
	for the first push_operand.

2007-10-31  Revital Eres  <>

	* config/rs6000/ (sminv2sf3, smaxv2sf3, reduc_smax_v2sf,
	reduc_smin_v2sf vec_interleave_highv2sf, vec_interleave_lowv2sf,
	vec_extract_evenv2sf, vec_extract_oddv2sf, reduc_splus_v2sf,
	movmisalignv2sf, vcondv2sf): New.
	UNSPEC_EXTODD_V2SF): Define new constants.
	* config/rs6000/rs6000-protos.h (paired_expand_vector_move,
	paired_emit_vector_cond_expr): New.
	* config/rs6000/rs6000-c.c (__PAIRED__): Add new builtin_define.
	* config/rs6000/rs6000.c (paired_expand_vector_move,
	paired_emit_vector_cond_expr, paired_emit_vector_compare):
	New functions.
	* config/rs6000/750cl.h (ASM_CPU_SPEC): Pass down -m750cl option.

2007-10-31  Sebastian Pop  <>

	PR tree-optimization/32377
	* tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it
	work also for unknown number of iterations.
	(analyze_subscript_affine_affine): Clean up.  Don't fail when the 
	number of iterations is not known.

2007-10-31  Richard Guenther  <>

	PR middle-end/33779
	* fold-const.c (extract_muldiv_1): Make sure to not introduce
	new undefined integer overflow.
	(fold_binary): Avoid useless conversion.

2007-10-31  Richard Sandiford  <>

	PR target/33948
	* config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P check.

2007-10-31  Andreas Krebbel  <>

	* config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp.

	* config/s390/s390.c: (override_options): Replace
	-mhard-dfp/-msoft-dfp with -mhard-dfp/-mno-hard-dfp.
	* config/s390/s390.opt: Likewise.
	* config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT

2007-10-30  Janis Johnson  <>

	* tree-ssa.c (execute_update_addresses_taken): Initialize update_vops.

2007-10-30  Janis Johnson  <>

	* doc/invoke.texi (Option Summary): Add -fdce and -fdse to list of
	optimization options.
	(Optimize Options): Add -fdce and -fdse to the list of optimizations
	enabled by -O.  Document -fdce and -fdse.

2007-10-30  Jakub Jelinek  <>

	PR c++/33709
	* fold-const.c (fold_binary): If one argument is COMPOUND_EXPR,
	convert second operand of COMPOUND_EXPR to the original type of
	that argument.

2007-10-30  Richard Guenther  <>

	* tree-ssa-operands.c (add_vars_for_offset): Fix exit test
	of loop adding SFTs as virtual operands.

2007-10-30  Richard Guenther  <>

	* (dse.o): Add $(OPTABS_H) and $(RECOG_H) dependencies.

2007-10-29  Dorit Nuzman  <>

	PR tree-optimization/32893
	* tree-vectorize.c (vect_can_force_dr_alignment_p): Check

2007-10-29  Rask Ingemann Lambertsen  <>

	* longlong.h (add_ssaaaa): Support Intel asm syntax in i386 and
	x86_64 versions.
	(sub_ddmmss): Likewise.
	(umul_ppmm): Likewise.
	(udiv_qrnnd): Likewise.

2007-10-29  Janis Johnson  <>

	PR testsuite/24841
	* doc/sourcebuild.texi (Test Directives): Document that dg-require
	directives must come before dg-additional-sources.

2007-10-29  Jakub Jelinek  <>

	PR tree-optimization/33723
	* c-gimplify.c (c_gimplify_expr): Optimize INIT_EXPR or
	MODIFY_EXPR with non-addressable COMPOUND_LITERAL_EXPR as source.

2007-10-29  Richard Sandiford  <>

	PR tree-optimization/33614
	* gimplify.c (gimplify_init_constructor): Gimplify vector constructors
	if they can't be reduced to VECTOR_CSTs and aren't legitimate
	initializer constants.

2007-10-29  Richard Guenther  <>

	PR tree-optimization/33870
	* tree-ssa-operands.c (add_vars_for_offset): Remove mpt_vars parameter.
	(add_virtual_operand): Do not recurse into MPTs looking for pointed-to

2007-10-29  Richard Guenther  <>

	* passes.c (init_optimization_passes): Exchange store_copy_prop
	with copy_prop.
	* tree-pass.h (pass_store_copy_prop): Remove.
	* tree-ssa-copy.c (do_store_copy_prop): Remove.
	(stmt_may_generate-copy): Do not handle store_copy_prop.
	(get_copy_of_val): Likewise.
	(set_copy_of_val): Likewise.
	(copy_prop_visit_assignment): Likewise.
	(copy_prop_visit_stmt): Likewise.
	(copy_prop_visit_phi_node): Likewise.
	(init_copy_prop): Likewise.
	(execute_copy_prop): Likewise.
	(do_copy_prop): Remove.
	(gate_store_copy_prop): Likewise.
	(store_copy_prop): Likewise.
	(pass_store_copy_prop): Likewise.
	(pass_copy_prop): Call execute_copy_prop.
	* opts.c (decode_options): Do not set flag_tree_store_copy_prop.
	* common.opt (ftree-store-copy-prop): Mark obsolete.
	* doc/invoke.texi (ftree-store-copy-prop): Remove documentation.

2007-10-29  Ian Lance Taylor  <>

	* ifcvt.c (noce_can_store_speculate_p): New static function.
	(noce_process_if_block): Call it.
	(if_convert): Remove recompute_dominance parameter.  Change all

2007-10-29  Richard Guenther  <>

	* tree-flow-inline.h (get_subvar_at): Use binary search.
	(get_first_overlapping_subvar): New function to binary search
	for the first overlapping subvar.
	* tree-ssa-operands.c (add_vars_for_offset): Strip down to
	just handle adding subvars for a pointed-to subvar.  Optimize
	and use get_first_overlapping_subvar.
	(add_vars_for_bitmap): Fold into single caller.
	(add_virtual_operand): Streamline, inherit add_vars_for_bitmap
	and non pointed-to bits of add_vars_for_offset.

2007-10-29  Revital Eres  <> 

	* modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.

2007-10-29  Razya Ladelsky  <>
	    Zdenek Dvorak  <>

	OMP_ATOMIC Changes,
	reduction support for automatic parallelization.

	* expr.c (expand_expr_real_1): Add cases for OMP_ATOMIC_LOAD,
	* Add dependencies to expr.o, tree-parloops.o, omp-low.o
	* tree-pretty-print.c (dump_generic_node): Add OMP_ATOMIC_LOAD
	* gimple-low.c (lower_stmt): Same.
	* gimplify.c (gimplify_expr): Same.
	(gimplify_omp_atomic_fetch_op, gimplify_omp_atomic_pipeline,
	gimplify_omp_atomic_mutex): Remove.
	(gimplify_omp_atomic): Change it to simply gimplify the
	statement instead of expanding it.
	* omp-low.c: Add includes to optabs.h, cfgloop.h.
	(expand_omp_atomic, expand_omp_atomic_pipeline,
	goa_stabilize_expr, expand_omp_atomic_mutex,
	expand_omp_atomic_fetch_op): New functions to implement
	expansion of OMP_ATOMIC.
	(expand_omp, build_omp_regions_1): Add support for
	* tree-cfg.c (make_edges): add case for OMP_ATOMIC_LOAD,
	* tree-gimple.c (is_gimple_stmt): Add OMP_ATOMIC_LOAD,
	* tree-parloops.c: add include to tree-vectorizer.h.
	(reduction_info): New structure for reduction.
	(reduction_list): New list to represent list of reductions per loop.
	(struct data_arg): New helper structure for reduction.
	(reduction_info_hash, reduction_info_eq, reduction_phi,
	initialize_reductions, create_call_for_reduction,
	create_phi_for_local_result, create_call_for_reduction_1,
	create_loads_for_reductions, create_final_loads_for_reduction):
	New functions.
	(loop_parallel_p): Identify reductions, add reduction_list parameter.
	(separate_decls_in_loop_name): Support reduction variables.
	(separate_decls_in_loop): Add reduction_list and ld_st_data arguments,
	call create_loads_for_reduction for each reduction.
	(canonicalize_loop_ivs): Identify reductions, add reduction_list
	(transform_to_exit_first_loop): Add reduction support, add
	reduction_list parameter.
	(gen_parallel_loop): Add reduction_list parameter.  Add call
	separate_decls_in_loop with
	the new argument.  Traverse reductions and call
	initialize_reductions, create_call_for_reduction.
	(parallelize_loops): Create and delete the reduction list.
	(add_field_for_name): Change use of data parameter.  Add fields for
	* tree-vectorizer.h (vect_analyze_loop_form): Add declaration.
	* tree-vect-analyze.c (vect_analyze_loop_form): export it.
	* tree.def: Add definitions for OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
	* tree-inline.c (estimate_num_insns_1): add cases for
	* tree-cfg.c (make_edges): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
	* tree-ssa-operands.c (get_addr_dereference_operands):
	New function.  Subroutine of get_indirect_ref_operands.
	(get_indirect_ref_operands): Call get_addr_dereference_operands.
	(get_expr_operands): Support OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.

2007-10-29  Hans-Peter Nilsson  <>

	* config/cris/cris.c: Include df.h.
	(cris_address_cost): Add gcc_assert for canonicalization
	assumptions.  For PLUS with MULT or register, correct
	test for register in other arm.  Tweak comments.

2007-10-28  Richard Guenther  <>

	* tree-ssa-operands.c (add_vars_for_offset): Add parameter
	telling if the var is to be treated as points-to location.
	(add_vars_for_bitmap): Pass true to add_vars_for_offset.
	(add_virtual_operand): Only recurse into MPTs if aliases
	is from a NMT.

2007-10-28  Richard Guenther  <>

	* tree-ssa-operands.c (add_vars_for_offset): Clean and speed up.
	(add_vars_for_bitmap): Do not recurse further.  Only add vars
	for pointed-to SFTs.
	(add_virtual_operand): Re-instantiate loop to add operands for
	aliases.  Recurse into MPTs.
	(get_indirect_ref_operands): If we fall back to use a pointers
	SMT, make sure to not prune based on the access offset and size.

2007-10-28  Andrew Pinski  <>

	PR tree-opt/33589
	* tree-outof-ssa.c (rewrite_trees): If the statement changed, cleanup
	the eh information on the statement.

2007-10-28  Richard Guenther  <>

	* tree-flow.h (subvar_t): Make it a VEC.
	(struct subvar): Remove.
	(struct var_ann_d): Use VEC(tree,gc) to store subvars.
	* tree-flow-inline.h (get_subvar_at): Adjust iterators over
	variable subvars.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Likewise.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise.
	(set_initial_properties): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(create_overlap_variables_for): Likewise.
	* tree-dfa.c (dump_subvars_for): Likewise.
	* tree-ssa-operands.c (add_vars_for_offset): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Likewise.

2007-10-28  Uros Bizjak  <>

	PR tree-optimization/33920
	* tree-if-conv.c (tree_if_conversion): Force predicate of single
	successor bb to true when predecessor bb has NULL predicate.
	(find_phi_replacement_condition): Assert that tmp_cond is non-null.

2007-10-28  Richard Sandiford  <>

	* config/mips/ Add combiner patterns for DImode extensions
	of HImode and QImode truncations.  Reformat HImode <- QImode pattern
	for consistency.

2007-10-28  Richard Sandiford  <>

	PR target/33895
	* config/mips/mips.c (mips_output_dwarf_dtprel): Add ATTRIBUTE_UNUSED.

2007-10-28  Andreas Krebbel  <>

	* dce.c (delete_unmarked_insns): Just delete the RETVAL and
	LIBCALL notes if they are about to be moved to the same insn.

2007-10-27  Richard Guenther  <>

	PR tree-optimization/33870
	* tree-ssa-operands.c (add_vars_for_offset): Reduce code
	duplication.  Remove redundant call to access_can_touch_variable.
	(add_vars_for_bitmap): New helper for recursing over MPT contents.
	(add_virtual_operand): Use it.

2007-10-26  John David Anglin  <>

	PR fortran/31608
	* pa.h (ASM_PN_FORMAT): Delete define.

2007-10-26  Janis Johnson  <>

	* doc/invoke.texi (Option Summary, optimizations): Remove
	-fbounds-check.  Add -fassociative-math, -freciprocal-math,
	-ftree-vrp and -funit-at-a-time.  Change -fno-split-wide-types to
	-fsplit-wide-types to match later entry.  Break up a long line.
	(Option Summary, code gen options)  Add -fno-stack-limit.  Add
	missing @gol to the end of a line.
	(Optimization Options): Remove -fbounds-check, which is also
	documented under Code Generation Options.  Remove =n from
	index entry for -ftree-parallelize-loops.  Change -fno-cprop-registers
	to -fcprop-registers to match other options, and say when it is
	enabled rather than disabled.  Remove extra index entry for
	-fno-cx-limited-range.  Add index entries for -fstack-protector
	and -fstack-protector-all.
	(Code Gen Options): Add index entry for -ftls-model.

2007-10-26  Anatoly Sokolov <>

	* config/avr/avr.c (avr_OS_task_function_p): Add new function.
	(avr_regs_to_save): Handle functions with 'OS_task' attribute.
	(avr_simple_epilogue, expand_prologue, avr_asm_function_end_prologue,
	expand_epilogue, output_movhi): Don't handle 'main' function.
	(avr_attribute_table): Add 'OS_task' function attribute.
	* config/avr/avr.h (machine_function): Remove 'is_main' field, add
	'is_OS_task' field.
	* config/avr/ (return_from_main_epilogue): Remove insn.
	(return_from_epilogue, return_from_interrupt_epilogue): Don't handle
	'main' function.
	* config/avr/avr.opt (minit-stack): Remove.

2007-10-26  Eric Botcazou  <>

	* tree-nested.c (get_trampoline_type): Fix thinko.

2007-10-26  Douglas Gregor  <>

	PR c++/33601
	* tree.c (build_offset_type): Build canonical type based on the
	TYPE_MAIN_VARIANT of the base type.

2007-10-26  Daniel Jacobowitz  <>

	* reorg.c (emit_delay_sequence): Move insn locator from the
	first insn to the sequence.

2007-10-26  Samuel Tardieu  <>

	* ipa-pure-const.c (check_decl): Return immediately when
	pure_const_state has been set to IPA_NEITHER.

2007-10-25  Ira Rosen  <>

	PR tree-optimization/33833
	* tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR
	and convert init to sizetype in inner_base construction.

2007-10-25  Richard Guenther  <>

	* tree-flow.h (mem_sym_stats): Remove.
	(dump_mem_sym_stats_for_var): Declare.
	* tree-dfa.c (dump_variable): Call dump_mem_sym_stats_for_var.
	(mem_sym_stats): Move ...
	* tree-ssa-alias.c (mem_sym_stats): ... here and make it static.
	(mem_sym_score): Rename from ...
	(pscore): ... this.  Remove.
	(dump_mem_sym_stats_for_var): New function.  Dump the score, but
	not the frequencies.
	(compare_mp_info_entries): Make sort stable by disambiguating

2007-10-25  Ira Rosen  <>

	PR tree-optimization/33866
	* tree-vect-transform.c (vectorizable_store): Check operands of all
	the stmts in the group of strided accesses. Get def stmt type for each
	store in the group and pass it to vect_get_vec_def_for_stmt_copy ().

2007-10-25  Uros Bizjak  <>

	* config/i386/ (Y0): Rename register constraint to Yz.
	(Yt): Rename register constraint to Y2.
	* config/i386/ Use renamed register constraints.
	* config/i386/ Ditto.
	* config/i386/ Ditto.

2007-10-25  Rask Ingemann Lambertsen  <>

	* config/i386/ (*dummy_extendsfdf2): Fix operand 1 constraint.

2007-10-24  Chao-ying Fu  <>

	* dwarf2out.c (base_type_die): Use DW_ATE_unsigned_fixed or
	DW_ATE_signed_fixed to describe FIXED_POINT_TYPE.

2007-10-24  Samuel Tardieu  <>
	    Olga Golovanevsky <>
	* ipa-struct-reorg.c (replace_field_acc): Make it clear to
	the compiler that wr.wrap and wr.domain are initialized in
	any case.

2007-10-24  Samuel Tardieu  <>

	* ipa-struct-reorg.c (sum_counts): Use HOST_WIDEST_PRINT_DEC
	to print gcov_type values.

2007-10-24  Eric B. Weddington  <>

	* config/avr/avr.h: Do not include progmem_section definition when
	building with IN_TARGET_LIBS.

2007-10-24  Richard Sandiford  <>

	PR target/33755
	* config/mips/mips.c (mips_lo_sum_offset): New structure.
	(mips_hash_base, mips_lo_sum_offset_hash, mips_lo_sum_offset_eq)
	(mips_lo_sum_offset_lookup, mips_record_lo_sum)
	(mips_orphaned_high_part_p: New functions.
	(mips_avoid_hazard): Don't check INSN_P here.
	(mips_avoid_hazards): Rename to...
	(mips_reorg_process_insns): ...this.  Cope with
	!TARGET_EXPLICIT_RELOCS.  Delete orphaned high-part relocations,
	or turn them into nops.
	(mips_reorg): Remove TARGET_EXPLICIT_RELOCS check from calls to
	dbr_schedule and mips_avoid_hazards/mips_reorg_process_insns.
	(mips_set_mips16_mode): Don't set flag_delayed_branch here.
	(mips_override_options): Set flag_delayed_branch to 0.

2007-10-24  Richard Sandiford  <>

	* config/mips/mips.h (MOVE_MAX): Use UNITS_PER_WORD and describe
	MIPS-specific implementation details.
	for targets with movmemsi.
	(MOVE_BY_PIECES_P): Define.
	* config/mips/mips.c (MAX_MOVE_REGS, MAX_MOVE_BYTES): Delete.
	(mips_block_move_loop): Add a bytes_per_iter argument.
	(mips_expand_block_move): Use MIPS_MAX_MOVE_BYTES_STRAIGHT.
	Update call to mips_block_move_loop.

2007-10-24  Michael Matz  <>

	PR debug/33868
	* var-tracking.c (variable_union): Don't break after one loop
	iteration but only when a difference is found.
	(dump_variable): Also print DECL_UID.

2007-10-24  Olga Golovanevsky  <>

	* ipa-type-escape.h: Expose function
	* ipa-type-escape.c
	Add three new parameters. Add support of

2007-10-24  Olga Golovanevsky  <>

	* ipa-struct-reorg.c, ipa-struct-reorg.h: New files.
	* tree-pass.h: Add pass_ipa_struct_reorg.
	* common.opt: Add ipa-struct-reorg flag.
	* Add ipa-strcut-reorg.o compilation.
	* passes.c: Add pass pass_ipa_struct_reorg.

2007-10-24  Ira Rosen  <>

	PR tree-optimization/33804
	* tree-vect-transform.c (vectorizable_operation): Remove the
	checks that the vectorization is worthwhile from the transformation

2007-10-24  Ira Rosen  <>

	* tree-vect-analyze.c (vect_build_slp_tree): Return false if
	vectype cannot be determined for the scalar type.
	(vect_analyze_slp_instance): Likewise.
	* tree-vect-transform.c (vect_model_reduction_cost): Change the
	return type to bool. Return false if vectype cannot be determined 
	for the scalar type.
	(vect_get_constant_vectors): Return false if vectype cannot be
	determined for the scalar type.
	(get_initial_def_for_induction, vect_get_vec_def_for_operand,
	get_initial_def_for_reduction, vect_create_epilog_for_reduction,
	vectorizable_reduction): Likewise.	

2007-10-23  Craig Rodrigues  <>

	* config.gcc: For a FreeBSD target, parse the value of ${target}
	to determine the value of FBSD_MAJOR, instead of adding an
	explicit check for every possible FreeBSD major version.

2007-10-23  Uros Bizjak  <>

	PR rtl-optimization/33846
	* combine.c (simplify_shift_const_1) [NOT]: Skip vector modes.

2007-10-23  Dorit Nuzman  <>

	PR tree-optimization/33860
	* tree-vect-transform.c (vect_analyze_data_ref_access): Don't allow
	interleaved accesses in case the dr is inside the inner-loop during
	outer-loop vectorization.

2007-10-23  Eric Botcazou  <>

	* doc/rtl.texi (Flags): Fix MEM_SCALAR_P entry.
	Document MEM_POINTER.  Replace mentions of "integrated"
	field with "return_val".  Delete outdated stuff.

2007-10-23  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Set
	rs6000_altivec_abi on AIX.
	(conditional_register_usage): Set VR20:31 fixed on AIX.

2007-10-23  Richard Guenther  <>

	* alias.c (get_alias_set): For INDIRECT_REFs, deal with
	SSA_NAME pointers.

2007-10-22  Seongbae Park <>
	    David S. Miller  <>

	* df-scan.c (df_get_call_refs): Mark global registers as both a
	DF_REF_REG_USE and a non-clobber DF_REF_REG_DEF.

2007-10-22  Dorit Nuzman  <>

	PR tree-optimization/33834
	PR tree-optimization/33835
	* tree-vect-analyze.c (vect_analyze_operations): RELEVANT and LIVE
	stmts need to be checked for success seperately.
	* tree-vect-transform.c (vectorizable_call, vectorizable_conversion):
	Remove the check that stmt is not LIVE.
	(vectorizable_assignment, vectorizable_induction): Likewise.
	(vectorizable_operation, vectorizable_type_demotion): Likewise.
	(vectorizable_type_promotion, vectorizable_load, vectorizable_store):
	(vectorizable_live_operation): Check that op is not NULL. 

2007-10-22  Janis Johnson  <>

	* doc/invoke.texi (Optimization Options): In the summary, show
	that the value for options -falign-jumps, -falign-labels,
	-falign-loops, -falign-functions, -fsched-stalled-insns, and
	-fsched-stalled-insns-dep is optional.  In the summary, show that
	-fsched-stalled-insns takes an optional argument and that
	-fparallelize-loops takes an argument.  Add opindex for several
	optimization options, and fix typos in the opindex commands for
	several others.  In the descriptions for -fsched-stalled-insns
	and -fsched-stalled-insns-dep, show the options with and without

2007-10-22  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Remove ATmega603 which was never
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-22  Eric Botcazou  <>

	PR rtl-optimization/33644
	* cfgcleanup.c: Do not include dce.h.
	* cfgrtl.c (delete_insn_chain_and_edges): Resurrect.
	* combine.c (distribute_notes): Delete REG_LIBCALL_ID case.
	* dce.c (something_changed): Delete.
	(libcall_dead_p): New predicate.
	(delete_unmarked_insns): Use it to delete dead libcalls.
	Deal with REG_LIBCALL and REG_RETVAL notes.
	(prescan_libcall_for_dce): New function.
	(prescan_insns_for_dce): Use it to deal with libcalls.
	(mark_reg_dependencies): Do nothing special for libcalls.
	(dce_process_block): Likewise.
	(fast_dce): Delete unused local variable.
	(run_fast_dce): Do not return a value.
	* dce.h (struct df): Delete.
	(run_fast_dce): Adjust prototype.
	* optabs.c (libcall_id): Delete.
	(maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes.
	(emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes.
	* reload1.c (reload): Delete REG_LIBCALL_ID case.
	* rtl.h (delete_insn_chain_and_edges): Resurrect prototype.
	* see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL
	notes instead of REG_LIBCALL_ID notes.
	* reg-notes.def (LIBCALL_ID): Delete.
	* (see.o): Add dce.h dependency.
	(cfgcleanup.o): Remove dce.h dependency.

2007-10-22  Michael Matz  <>

	PR tree-optimization/33855
	* tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE

2007-10-22  Ira Rosen  <>

	PR tree-optimization/33854
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Add
	FLOAT_EXPR to the list of promotion operations.	

2007-10-22  Rask Ingemann Lambertsen  <>

	PR target/29473
	PR target/29493
	* config/i386/i386.c (output_pic_addr_const): Support Intel asm syntax.
	(print_reg): Print register prefix only with AT&T asm syntax. 
	Support pc_rtx for RIP register.
	(print_operand_address): Use print_reg()'s pc_rtx support for RIP
	relative addressing.  Always print segment register prefix with AT&T
	asm syntax and never with Intel asm syntax.
	(print_operand): Suppress 'XXX PTR' prefix for BLKmode operands. 
	Fix prefix for 16-byte XFmode operands.
	(output_addr_const_extra): Support Intel asm syntax.
	(x86_file_start): Don't use register prefix with Intel asm syntax.
	* config/i386/ ("*zero_extendqihi2_movzbl"): Fix typo.
	("return_internal_long"): Fix Intel asm syntax output.
	("set_got_rex64"): Support Intel asm syntax.
	("set_rip_rex64"): Likewise.
	("set_got_offset_rex64"): Likewise.
	("*sibcall_1_rex64_v"): Print register prefix only with AT&T asm
	("*tls_global_dynamic_64"): Likewise.
	("*tls_local_dynamic_base_64"): Likewise.
	("*load_tp_si")("*load_tp_di"): Likewise.
	("*add_tp_si")("*add_tp_di"): Likewise.
	("*tls_dynamic_lea_64"): Likewise.
	("*sibcall_value_1_rex64_v"): Likewise.
	("stack_tls_protect_set_si"): Likewise.
	("stack_tls_protect_set_di"): Likewise.
	("stack_tls_protect_test_si"): Likewise.
	("stack_tls_protect_test_di"): Likewise.
	* config/i386/ ("*mov<mode>_internal_rex64"): Fix Intel asm
	syntax output.
	("*movv2sf_internal_rex64"): Likewise.
	* config/i386/cpuid.h (__cpuid): Support Intel asm syntax.
	(__get_cpuid_max): Likewise.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_regno_mode_ok_for_base_p): Give
	the STRICT_P argument type "bool" rather than "int".
	(mips_legitimate_address_p): Likewise.
	(fp_register_operand, lo_operand): Delete.
	(mips_subword): Give the HIGH_P argument type "bool" rather than "int".
	(mips_emit_scc): Rename to...
	(mips_expand_scc): ...this.
	(gen_conditional_branch): Rename to...
	(mips_expand_conditional_branch): ...this.
	(gen_conditional_move): Rename to...
	(mips_expand_conditional_move): ...this.
	(mips_gen_conditional_trap): Rename to...
	(mips_expand_conditional_trap): ...this and take an rtx code instead
	of an operands array.
	(mips_expand_call): Give the SIBCALL_P argument type "bool"
	rather than "int".
	(mips_emit_fcc_reload): Rename to...
	(mips_expand_fcc_reload): ...this.
	(init_cumulative_args): Rename to...
	(mips_init_cumulative_args): ...this and remove the libname argument.
	(function_arg_advance): Rename to...
	(mips_function_arg_advance): ...this.
	(function_arg): Rename to...
	(mips_function_arg): ...this and use "rtx" instead of
	"struct rtx_def *".
	(function_arg_boundary): Rename to...
	(mips_function_arg_boundary): ...this.
	(mips_expand_unaligned_load): Rename to...
	(mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
	and BITPOS arguments type "HOST_WIDE_INT".
	(mips_expand_unaligned_store): Rename to...
	(mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
	and BITPOS arguments type "HOST_WIDE_INT".
	(override_options): Rename to...
	(mips_override_options): ...this.
	(print_operand): Rename to...
	(mips_print_operand): ...this.
	(print_operand_address): Rename to...
	(mips_print_operand_address): ...this.
	(mips_output_ascii): Remove the PREFIX argument.
	(mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
	rather than "int".
	(mips_can_use_return_insn): Return a "bool" rather than an "int".
	(mips_function_value): Remove the FUNC argument.  Use "rtx" instead
	of "struct rtx_def *".
	(mips_secondary_reload_class): Give the IN_P argument type "bool"
	rather than "int".
	(build_mips16_call_stub): Delete.
	(mips_store_data_bypass_p): Return a "bool" rather than an "int".
	(mips_use_ins_ext_p): Give the second and third arguments type
	"HOST_WIDE_INT" rather than "rtx".
	* config/mips/mips.h: Update after the above changes.  Tweak comments
	and formatting.
	(SECONDARY_INPUT_RELOAD_CLASS): Pass a boolean IN_P argument.
	(mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
	element type from "char" to "bool".
	(mips_section_threshold, sym_lineno, set_noat, mips_branch_likely)
	(mips_cpu_info_table): Delete.
	* config/mips/ Update after the above changes.  Tweak some
	* config/mips/ Likewise.
	* config/mips/mips.c: Tweak comments and formatting.
	Use NULL-like macros rather than 0 in various places.
	(mips_section_threshold): Rename to...
	(mips_small_data_threshold): ...this and give it an unsigned type.
	(num_source_filenames): Remove explicit initialization.
	(sdb_label_count): Likewise.
	(sym_lineno): Delete.
	(set_noat): Make static.
	(mips_branch_likely): Likewise, and give it type "bool".
	(mips_isa_info): Rename to...
	(mips_isa_option_info): ...this.
	(mips_flag_delayed_branch): Rename to...
	(mips_base_delayed_branch): ...this.
	(mips_split_addresses): Delete.
	(mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
	element type from "char" to "bool".
	(mips_regno_to_class): Add an explicit array size.
	(mips16_flipper): Change from type "int" to type "bool".
	(mips_comp_type_attributes): Remove redundant FUNCTION_TYPE check.
	(mips_tls_operand_p): Rename to...
	(mips_tls_symbol_p): ...this.
	(mips_global_symbol_p): Remove redundant "const".
	(mips_offset_within_alignment_p): Simplify.
	(mips_regno_mode_ok_for_base_p): Change the name of the last argument
	to STRICT_P and give it type bool.
	(mips_valid_base_register_p): Likewise.
	(mips_classify_address): Likewise.
	(mips_legitimate_address_p): Likewise.
	(mips16_unextended_reference_p): Take the offset as an
	"unsigned HOST_WIDE_INT" rather than an "rtx".  Simplify.
	(mips_const_insns): Use IN_RANGE.
	(mips_force_temporary): Remove an unnecessary copy_rtx.
	(mips16_gp_pseudo_reg): Simplify.
	(mips_split_symbol): Remove an unnecessary copy_rtx.
	(mips_legitimize_tls_address): Only create registers if we need them.
	(mips_legitimize_address): Use mips_split_plus.
	(mips_move_integer): Swap DEST and TEMP arguments.  Rename local
	variable COST to NUM_OPS.
	(mips_legitimize_move): Use gen_lowpart.
	(mips_rewrite_small_data): Rename the OP parameter to PATTERN.
	(m16_check_op): Use IN_RANGE.
	(mips_subword): Give the HIGH_P argument type "bool" rather than "int".
	(mips_split_doubleword_move): Pass booleans to mips_subword.
	(mips_output_move): Store the mode in a local variable.
	Explicitly assert that this function does not deal with
	cases more consistent.
	(mips_relational_operand_ok_p): Rename to...
	(mips_int_order_operand_ok_p): ...this.
	(mips_canonicalize_comparison): Rename to...
	(mips_canonicalize_int_order_test): ...this.
	(mips_emit_int_relational): Rename to...
	(mips_emit_int_order_test): ...this.  Store the mode in a local
	(mips_reverse_fp_cond_p): Rename to...
	(mips_reversed_fp_cond): ...this.
	(mips_emit_compare): Make the order of the statements more consistent.
	(mips_emit_scc): Rename to...
	(mips_expand_scc): ...this.
	(gen_conditional_branch): Rename to...
	(mips_expand_conditional_branch): ...this.
	(gen_conditional_move): Rename to...
	(mips_expand_conditional_move): ...this.  Build the condition
	separately from the main pattern.
	(mips_gen_conditional_trap): Rename to...
	(mips_expand_conditional_trap): ...this and take an rtx code instead
	of an operands array.  Simplify.
	(init_cumulative_args): Rename to...
	(mips_init_cumulative_args): ...this.  Use memset rather than a
	copy from a zeroed static.  Use prototype_p and stdarg_p.
	(mips_arg_info): Rename to...
	(mips_get_arg_info): ...this and put the INFO argument first.
	(function_arg): Rename to...
	(mips_function_arg): ...this and use "rtx" instead of
	"struct rtx_def *".  Only split structures into chunks if 
	TARGET_HARD_FLOAT, rather than checking !TARGET_SOFT_FLOAT on
	a chunk-by-chunk basis.  Use SCALAR_FLOAT_TYPE_P instead of a
	comparison with REAL_TYPE.  Rename local variable REG to REGNO
	and make it unsigned.
	(function_arg_advance): Rename to...
	(mips_function_arg_advance): ...this.
	(function_arg_boundary): Rename to...
	(mips_function_arg_boundary): ...this.
	(mips_pad_arg_upward): Use SCALAR_INT_MODE_P instead of a comparison
	with MODE_INT.
	(mips_fpr_return_fields): Use SCALAR_FLOAT_TYPE_P instead of a
	comparison with REAL_TYPE.
	(mips_function_value): Remove the FUNC argument.  Rename local
	(mips_return_in_memory): Use IN_RANGE.
	(mips_setup_incoming_varargs): Pass a boolean rather than an int
	(mips_gimplify_va_arg_expr): Rename local variable INDIRECT
	to INDIRECT_P.  Remove a redundant mips_abi check.  Only calculate
	SIZE and RSIZE if needed.
	(mips16_stub): Rename FPRET to FP_RET_P and give it type "bool"
	rather than "int".
	(build_mips16_function_stub): Rename to...
	(mips16_build_function_stub): ...this.
	(build_mips16_call_stub): Rename to...
	(mips16_build_call_stub): ...this.  Make static, and return a
	"bool" rather than an "int".  Rename the ARG_SIZE argument to
	ARGS_SIZE.  Rename the local variable FPRET to FP_RET_P and give
	it type "bool".  Use "jr" rather than "j".  Use XNEW.  Simplify.
	(mips_load_call_address): Give the SIBCALL_P argument type "bool"
	rather than "int".
	(mips_expand_call): Likewise.  Assert that MIPS16 calls via stubs
	are not sibling ones.
	(mips_emit_fcc_reload): Rename to...
	(mips_expand_fcc_reload): ...this.
	(mips_get_unaligned_mem): Give the WIDTH and BITPOS arguments type
	(mips_expand_unaligned_load): Rename to...
	(mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
	and BITPOS arguments type "HOST_WIDE_INT".  Remove redundant
	(mips_expand_unaligned_store): Rename to...
	(mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
	and BITPOS arguments type "HOST_WIDE_INT".
	(mips_use_ins_ext_p): Rename second and third arguments to WIDTH
	and BITPOS and give them type "HOST_WIDE_INT" rather than "rtx".
	(mips_init_split_addresses): Replace with...
	(mips_split_addresses_p): ...this new function.
	(mips_init_relocs): Check mips_split_addresses_p () rather than
	mips_split_addresses.  Always initialize mips_split_p with booleans.
	(print_operand_reloc): Rename to...
	(mips_print_operand_reloc): ...this.  Use a gcc_assert rather than
	a fatal_error.
	(print_operand): Rename to...
	(mips_print_operand): ...this.
	(print_operand_address): Rename to...
	(mips_print_operand_address): ...this.  Use GP_REG_FIRST.
	(mips_in_small_data_p): Simplify.
	(mips_output_ascii): Remove the PREFIX argument and "register"
	keywords.  Use the STRING parameter directly and cast to
	"unsigned char".
	(mips16e_collect_argument_save_p): Use IN_RANGE.
	(mips_function_has_gp_insn): Simplify.
	(mips_set_return_address): Use BITSET_P.
	(mips_restore_gp): Use a separate statement to pick the base
	(mips_output_function_prologue): Use a local FRAME variable.
	(mips_save_reg): Pass booleans to mips_subword.
	(mips_expand_prologue): Use a local FRAME variable.  Use
	cprestore_size to detect when .cprestore is needed.
	(mips_restore_reg): Use GP_REG_FIRST.
	(mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
	rather than "int".  Use local FRAME and REGNO variables.
	(mips_can_use_return_insn): Return a "bool" rather than an "int".
	(mips_secondary_reload_class): Give the IN_P argument type "bool"
	rather than "int".
	(mips_linked_madd_p): Rename arguments to OUT_INSN and IN_INSN.
	(mips_store_data_bypass_p): Return a "bool" rather than an "int".
	(vr4130_swap_insns_p): Rename local variables to DEP1_P and DEP2_P.
	(mips_74k_agen_init): Assume INSN satisfies USEFUL_INSN_P.
	(mips_variable_issue): Do nothing unless INSN satisfies USEFUL_INSN_P.
	(builtin_description): Rename to...
	(mips_builtin_description): ...this.
	(mips_bdesc): Rename to...
	(mips_ps_bdesc): ...this.
	(sb1_bdesc): Rename to...
	(mips_sb1_bdesc): ...this.
	(dsp_bdesc): Rename to...
	(mips_dsp_bdesc): ...this.
	(dsp_32only_bdesc): Rename to...
	(mips_dsp_32only_bdesc): ...this.
	(bdesc_map): Rename to...
	(mips_bdesc_map): ...this.
	(bdesc_arrays): Rename to...
	(mips_bdesc_arrays): ...this.
	(mips_prepare_builtin_arg): Rename OP to OPNO and ARGNUM to ARGNO.
	Tweak error message.
	(mips_expand_builtin_direct): Rename HAS_TARGET to HAS_TARGET_P.
	Rename local variables I and J to OPNO and ARGNO respectively.
	Assert that the number of arguments is no more than the number of
	input operands.
	(mips_expand_builtin_compare): Use an array of arguments rather
	than an array of operands.  Assert that the number of operands is
	as expected.
	(add_constant): Rename to...
	(mips16_add_constant): ...this.  Use XNEW.
	(dump_constants_1): Rename to...
	(mips16_emit_constants_1): ...this.  Use ALL_SCALAR_FIXED_POINT_MODE_P.
	(dump_constants): Rename to...
	(mips16_emit_constants): ...this.
	(mips_sim_wait_reg, mips_sim_record_set): Use END_REGNO.
	(mips_set_mips16_mode): Don't call mips_init_split_addresses.
	Assign mips16_p to was_mips16_p.
	(mips_parse_cpu): Tweak warning message.
	(override_options): Rename to...
	(mips_override_options): ...this.  Move the mips_cost initialization
	out of the "shared with GAS" block.  Quote option names in error
	(mips_conditional_register_usage): Make local variable REGNO unsigned.
	(mips_order_regs_for_local_alloc): Remove register keyword.

2007-10-21  Richard Sandiford  <>

	* system.h (IN_RANGE): Cast each argument individually.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_set_mips16_mode) Say sorry for hard-float
	MIPS16 code unless using o32 or o64.  

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_cannot_change_mode_class): Don't check
	for modes smaller than 4 bytes.
	* config/mips/ (*movhi_internal, *movqi_internal): Remove
	FPR alternatives.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_output_aligned_bss): Delete.
	* config/mips/linux.h (BSS_SECTION_ASM_OP): Delete.
	* config/mips/mips.c (mips_output_aligned_bss): Delete.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_function_ok_for_sibcall): Only forbid
	sibling calls to "mips16" functions if the function satisfies

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_va_start): Fix types in calls
	to build_int_cst.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.c (mips_rtx_costs): Only recognize reciprocals
	if ISA_HAS_FP4.

2007-10-21  Richard Sandiford  <>

	* config/mips/mips.h (ISA_HAS_LDC1_SDC1): New macro.
	* config/mips/mips.c (mips_split_64bit_move_p): Use ISA_HAS_LDC1_SDC1
	instead of checking mips_isa.

2007-10-21  Richard Sandiford  <>

	* doc/invoke.texi (-mpaired-single): Don't say that the option
	requires 64-bit code.
	* config/mips/mips-protos.h (mips_modes_tieable_p): Declare.
	* config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): New macro.
	(ISA_HAS_NMADD_NMSUB): Add a mode argument.  Return true for
	V2SF if ISA_MIPS32R2.
	(MODES_TIEABLE_P): Use mips_modes_tieable_p.
	* config/mips/mips.c (mips_rtx_costs): Pass a mode argument
	(mips_split_doubleword_move): Handle V2SF.
	(mips_modes_tieable_p): New function.
	(override_options): Report a warning rather than an error when
	-mpaired-single is used on ISAs that don't support it; use
	ISA_HAS_PAIRED_SINGLE to check that case.
	* config/mips/ (MOVE64): New mode iterator.  Replace DI
	and DF move splitters with a single MOVE64 splitter, thereby adding
	a V2SF splitter too.
	(SPLITF): Add TARGET_DOUBLE_FLOAT conditions to DI and DF.
	Add a TARGET_FLOAT64 condition to TF.  Add V2SF to the iterator.
	(*nmadd<mode>, *nmadd<mode>_fastmath, *nmsub<mode>)
	(*nmsub<mode>_fastmath): Add a mode argument to ISA_HAS_NMADD_NMSUB.
	(movv2sf_hardfloat_64bit): Tweak ordering of conditions.
	(movv2sf_hardfloat_32bit): New pattern.
	(load_low<mode>, load_high<mode>, store_word<mode>): Remove

2007-10-20  Jakub Jelinek  <>

	* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point
	saved CR2 offset to low 32 bits of regs->ccr rather than the whole
	64-bit register in 64-bit libgcc.

2007-10-20  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add at90pwm2b, at90pwm3b.
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-20  Manuel Lopez-Ibanez  <>

	* doc/invoke.texi (Warning Options): Move -w, -Werror, -Werror=
	and -Wfatal-errors together.
2007-10-20  Alan Modra  <>

	PR target/33812
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Revert 2007-05-16
	change for vrsave, ie restore after frame pop.

2007-10-19  David S. Miller  <>

	* config/sparc/ Fix copyright notice.

2007-10-19  Sebastian Pop  <>

	PR tree-optimization/23820
	PR tree-optimization/24309
	PR tree-optimization/33766
	* testsuite/gcc.dg/tree-ssa/pr23820.c: New.
	* testsuite/gcc.dg/tree-ssa/pr24309.c: New.
	* testsuite/gcc.dg/tree-ssa/pr33766.c: New.
	* testsuite/gcc.dg/tree-ssa/ltrans-3.c: XFAILed.
	* tree-loop-linear.c (perfect_loop_nest_depth): New.
	(linear_transform_loops): Use perfect_loop_nest_depth.
	* lambda-code.c (perfect_nest_p): Outer loops in perfect nests 
	should have a single condition: their exit.

2007-10-19  Richard Guenther  <>

	PR middle-end/33816
	PR middle-end/32921
	* stor-layout.c (layout_type): Assert that aggregates do not
	have their alias sets set.
	* alias.c (get_alias_set): Return alias set zero for incomplete
	types, return the alias set of the element for incomplete array
	types, but do not remember these.

2007-10-19  Richard Guenther  <>

	2007-10-19  Richard Guenther  <>

	PR middle-end/32921
	* tree.c (build_array_type): Do not re-layout unbound array

2007-10-19  Richard Guenther  <>

	PR middle-end/32921
	* tree.c (build_array_type): Do not re-layout unbound array types.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips_canonicalize_comparison):  Check
	mips_relational_operand_ok_p before trying to rewrite the test.
	Only calculate PLUS_ONE if needed.
	(mips_emit_int_relational): Don't call mips_relational_operand_ok_p

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips16e_build_save_restore): Fix *OFFSET_PTR

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips_call_tls_get_addr): Don't claim that
	the call uses the incoming value of $2.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips_call_tls_get_addr): Use gen_const_mem
	rather then gen_rtx_MEM.
	(mips_setup_incoming_varargs): Use gen_frame_mem rather than
	(mips_set_return_address): Likewise.
	(mips_restore_gp): Likewise.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (gpr_mode): Delete.
	(mips16e_build_save_restore): Use word_mode and UNITS_PER_WORD
	instead of gpr_mode.
	(mips_for_each_saved_reg): Likewise.
	(mips_expand_prologue, mips_expand_epilogue): Likewise.
	(override_options): Don't initialize gpr_mode.
	* config/mips/ (eh_return): Use word_mode instead of gpr_mode.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips_hard_regno_nregs): Put the UNITS_PER_WORD
	case last.
	(mips_class_max_nregs): Calculate the smallest consituent register
	size and use that to determine an upper bound on the number of

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips16_copy_fpr_return_value): New function,
	split out from...
	(mips_mdebug_abi_name): New function, split out from...
	(mips_hard_regno_mode_ok_p): New function, split out from...
	(mips_expand_builtin_1): New function, split out from...
	(mips_expand_buitin):  Abort if we don't recognize
	the function.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (build_mips16_function_stub): Load the
	target address into $1 before transfering the arguments.
	Don't use ".set noreorder".
	(build_mips16_call_stub): Likewise.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips_output_32bit_xfer): New function.
	(mips_output_64bit_xfer): Likewise.
	(mips16_fp_args): Rename to...
	(mips_output_args_xfer): ...this and replace the FROM_FP_P argument
	with a DIRECTION argument.  Use mips_output_32bit_xfer and
	(build_mips16_function_stub): Update accordingly.
	(mips16_fpret_double): Delete.
	(build_mips16_call_stub): Update after above changes.
	Use mips_output_32bit_xfer.  Use mips_output_64bit_xfer instead
	of mips16_fpret_double.  Use GP_REG_RETURN.

2007-10-19  Richard Sandiford  <>

	* config/mips/mips.c (mips16_fp_args): Remove the FILE argument and
	use asm_out_file instead.
	(build_mips16_function_stub): Likewise.
	(build_mips16_call_stub, mips_output_function_prologue): Update

2007-10-18  David S. Miller  <>

	Add Niagara-2 support.
	* doc/invoke.texi: Document -m{cpu,tune}=niagara2.
	* config.gcc: Add niagara2 to cpu and tune lists for sparc.
	* config/sparc/ (sparc_cpu_attr): Add niagara2.
	(include): Add inclusion of
	* config/sparc/sparc.c (niagara2_costs): New.
	(sparc_override_options): Add niagara2 entry to cpu_default[]
	and cpu_table[].  Set align_functions to 32 on Niagara2.  Use
	niagara2_costs when PROCESSOR_NIAGARA2.  Handle Niagara2 for
	(sparc_initialize_trampoline): Handle niagara2 like niagara.
	(sparc64_initialize_trampoline): Likewise.
	(sparc_use_sched_lookahead): Likewise.
	(sparc_issue_rate): Likewise.
	* config/sparc/sol2-bi.h: Handle TARGET_CPU_niagara2 and
	* config/sparc/sparc.h (TARGET_CPU_niagara2): Define.
	({CPP,ASM}_CPU64_DEFAULT_SPEC): Set appropriately for
	(BRANCH_COST): Likewise.
	* config/sparc/linux64.h: Handle TARGET_CPU_niagara2.
	* config/sparc/sol2.h: Likewise.
	* config/sparc/ New file.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.c (mips_frame_info): Remove gp_reg_size and
	and fp_reg_size.
	(mips_compute_frame_info): Remove associated code.
	(mips16e_build_save_restore): Check num_fp instead of fp_reg_size.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips-protos.h (compute_frame_size): Delete.
	* config/mips/mips.h: Update comments.
	* config/mips/mips.c (mips_frame_info): Remove initialized.
	(compute_frame_size): Rename to...
	(mips_compute_frame_info): ...this and make static.  Remove the
	SIZE argument and return no value.  Remove the setting of initialized.
	Update rest of file accordingly.
	(mips_set_return_address): Don't call compute_frame_size.
	(mips_can_use_return_insn): Don't check df_regs_ever_live_p (31).
	Don't call compute_frame_size.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_frame_pointer_required): Declare.
	* config/mips/mips.h (FRAME_POINTER_REQUIRED): Use
	large MIPS16 frames.
	* config/mips/mips.c (mips_frame_pointer_required): New function.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.c (mips_frame_info): Add arg_pointer_offset
	and hard_frame_pointer_offset.
	(mips_debugger_offset): Use hard_frame_pointer_offset.
	(mips16e_collect_argument_save_p): Likewise.
	(compute_frame_size): Initialize arg_pointer_offset and
	(mips_initial_elimination_offset): Use them.
	(mips_output_function_prologue): Use hard_frame_pointer_offset.
	(mips_expand_prologue, mips_expand_epilogue): Likewise.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.h (STARTING_FRAME_OFFSET): Remove rtl
	profiling code.
	* config/mips/mips.c (mips_frame_info): Give num_gp and num_fp type
	"unsigned int" rather than "int" and put them with the other
	register-related fields.  Put expanded comments above fields
	rather than to their right.
	(mips16e_mask_registers): Replace the GP_REG_SIZE_PTR argument
	with a NUM_REGS_PTR argument.
	(mips16e_save_restore_pattern_p): Update accordingly.
	(compute_frame_size): Clarify frame diagram.  Rewrite.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips-ftypes.def: New file.
	* config/mips/mips.c (MIPS_FTYPE_NAME1, MIPS_FTYPE_NAME2)
	(mips_function_type): Redefine using mips-ftypes.def.
	(dsp_bdesc): Use POINTER rather than PTR in the MIPS_*_FTYPE_* names.
	(mips_builtin_vector_type): New function.
	(mips_build_function_type): New function.
	(mips_init_builtins): Use it to create types lazily.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.h (set_volatile): Delete.
	* config/mips/mips.c (set_volatile): Delete.
	(mips_print_operand_punctuation): New function, split out from
	print_operand.  Remove '%{', '%}', '%~', '%&' and '%!'.
	Use the same character ordering in the code and the comments.
	Use a recursive call to handle '*'.  Abort on unknown characters.
	(mips_init_print_operand_punct): New function, split out from
	(mips_print_int_branch_condition): New function, split out from
	print_operand.  Use GET_RTX_NAME.  Use output_operand_lossage
	to report unexpected codes.
	(mips_print_float_branch_condition): New function, split out from
	print_operand.  Use output_operand_lossage to report unexpected codes.
	(print_operand): Rework to use a case statement.  Use the
	same letter ordering in the code and the comments.  Use
	output_operand_lossage to report unexpected codes and
	reverse_condition to handle inverted branch conditions.
	(override_options): Use mips_init_print_operand_punct.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.h: Move variable declarations to end of file and
	enclose them all in #ifndef USED_FOR_TARGET.
	* config/mips/mips.c: Reorder functions into more logical groups,
	and so that callees appear before callers.  Put the targetm
	initializer at the end of the file.  Remove forward static
	declarations where possible.
	(mips_init_builtins): Add "static" to definition.
	(mips_expand_builtin, mips_mode_rep_extended): Likewise.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.c (TARGET_MIN_ANCHOR_OFFSET): Delete.
	(mips_cannot_force_const_mem): Don't check TARGET_HAVE_TLS.
	(mips_set_mips16_mode): Initialize min_anchor_offset and
	max_anchor_offset directly to constants.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.c: Delete trailing whitespace.

2007-10-18  Richard Sandiford  <>

	* config/mips/mips.c (mips_expand_call): Use FAKE_CALL_REGNO.
	(mips_avoid_hazard): Allow multiple sets for HAZARD_DELAY,
	and pick the first.
	* config/mips/ (load_call<mode>): Don't make the unspec

2007-10-18  David Daney  <>

	* config/mips/linux-unwind.h (mips_fallback_frame_state): Use new
	reg_offset variable to calculate register locations.

2007-10-18  Richard Guenther  <>

	* tree-ssa.c (uid_ssaname_map_eq): New function.
	(uid_ssaname_map_has): Likewise.
	(init_tree_ssa): Allocate default_defs as uid_ssaname map.
	* tree-flow.h (struct gimple_df): Make default_defs a
	uid_ssaname map.
	* tree-dfa.c (gimple_default_def): Deal with it.
	(set_default_def): Likewise.

2007-10-18  Richard Guenther  <>

	* tree-flow.h (struct gimple_df): Make referenced_vars
	a uid_decl_map.
	(uid_decl_map_eq): Declare.
	(uid_decl_map_hash): Likewise.
	* tree-ssa.c (uid_decl_map_eq): New function.
	(uid_decl_map_hash): Likewise.
	(init_tree_ssa): Make referenced_vars a uid_decl_map.
	* tree-flow-inline.h (first_referenced_var): Deal with
	the referenced_vars representation change.
	(next_referenced_var): Likewise.
	* tree-dfa.c (referenced_var_lookup): Likewise.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.

2007-10-18  Daniel Jacobowitz  <>

	* config/mips/mips.c (mips_dwarf_register_span): New.

2007-10-18  Chen Liqin  <>

	* config.gcc : update score-*-elf(extra_objs).
	* config/score/ : Remove.
	* config/score/ : Remove.
	* config/score/ : Remove.
	* config/score/score-mdaux.h : Remove.
	* config/score/score-mdaux.c : Remove.
	* config/score/score-version.h : Remove.
	* config/score/ : New.
	* config/score/score3.h : New.
	* config/score/score3.c : New.
	* config/score/score7.h : New.
	* config/score/score7.c : New.
	* config/score/mul-div.S : add flush_cache score3 support.
	* config/score/elf.h : Fix some typos.
	* config/score/ : merge score3 and score7 pattern.
	* config/score/score.c : use to seperate which target it used.
	* config/score/score.h : use to seperate the target macro.
	* config/score/score.opt : remove -mmac option , add -mscore3,
	-mscore3d and -march OPTION support.
2007-10-17  Andrew Pinski  <>

	* cfgexpand.c (expand_stack_vars): Add checking to make sure
	that the offset of a variable is not greater than the size
	of the paritition.

2007-10-17  Anatoly Sokolov <>

	* config/avr/avr.c (avr_mcu_types): Add support for atmega48p, 
	atmega88p, atmega168p and atmega328p devices.
	* config/avr/avr.h (LINK_SPEC): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2007-10-17  Maxim Kuvyrkov  <>

	* sched-ebb.c: Surround code with '#ifdef INSN_SCHEDULING'.
	* ddg.c: Ditto.
	* sched-deps.c: Ditto.  Remove nested #ifdef's INSN_SCHEDULING.
	* sched-int.h: Surround declarations with '#ifdef INSN_SCHEDULING'.
	(print_insn): Move declaration to ...
	* rtl.h (print_insn): ... here.

2007-10-17  Maxim Kuvyrkov  <>

	* config/m68k/m68k.h (m68k_sched_cpu, m68k_sched_attr_opx_type,
	m68k_sched_attr_opy_type, m68k_sched_attr_size, m68k_sched_attr_op_mem,
	m68k_sched_branch_type): Move declarations to ...
	* config/m68/m68k-protos.h: ... here.

2007-10-17  Maxim Kuvyrkov  <>

	* genattrtab.c (main): Rearrange output of insn-attrtab.c headers.

2007-10-17  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add attiny48.
	* config/avr/avr.h (LINK_SPEC): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-17  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add attiny43u.
	* config/avr/avr.h (CRT_BINUTILS_SPECS): Likewsie.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-17  Uros Bizjak  <>

	PR middle-end/33794
	* reg-stack.c (move_for_stack_reg): Swap input argument of
	UNSPEC_TAN insn to the top of the stack.

2007-10-17  Uros Bizjak  <>

	PR target/32961
	* config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLLWI128,
	IX86_BUILTIN_PSRLDI128, IX86_BUILTIN_PSRLQI128]: Do not require
	immediate shift value.
	* config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
	_mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
	_mm_srli_epi32, _mm_srli_epi64): Remove 'const' from count argument.
	Remove macros for !__OPTIMIZE__ case.

2007-10-17  Daniel Berlin  <>

	* tree-ssa-structalias.c (rewrite_constraints): Don't test for
	directness anymore.
	(perform_var_substitution): Only DFS from real nodes. Don't test
	for directness.
	(unite_pointer_equivalences): Fix broken test.

2007-10-17  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Correct
	altivec sp_offset.  Rearrange sp_offset assignments to
	correspond to stack adjustments.  Use frame_reg_rtx for
	SPE register restores.  Correct SPE stack adjustment.

2007-10-17  Manuel Lopez-Ibanez  <>

	* builtins.c (gimplify_va_arg_expr): Use inform for help message.
	* toplev.c (check_global_declaration_1): Use appropriate warning
	option instead of unnamed warning.
	* stor-layout.c (layout_decl): Likewise.
	* c-typeck.c (build_conditional_expr): Likewise.
	(build_compound_expr): Fix wrong comment.
	(build_binary_op): Use appropriate warning option instead of
	unnamed warning.
	* cfgexpand.c (tree_expand_cfg): Likewise.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	* tree-cfg.c (remove_useless_stmts_warn_notreached): Likewise.
	(execute_warn_function_return): Likewise.
	* stmt.c (warn_if_unused_value): Likewise.

2007-10-16  Eric B. Weddington  <>

	* config/avr/avr.c (avr_mcu_types): Add at90pwm216, at90pwm316.
	* config/avr/avr.h (LINK_SPEC): Likewise and remove regex for
	similar devices.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-16  Amruth Laxman  <>

	PR target/33594
	* config/sparc/sparc.h (LOCAL_ALIGNMENT): Define.

2007-10-16  Eric Botcazou  <>

	* dce.c (init_dce): Only initialize the obstacks for the fast pass.
	(fini_dce): Only release them for the fast pass.
	(end_ud_dce): Delete.
	(rest_of_handle_ud_dce): Do not modify df_in_progress.
	Call fini_dce instead of end_ud_dce.
	(rest_of_handle_fast_dce): Do not modify df_in_progress.
	(run_fast_df_dce): Reset df_in_progress to false on exit.

2007-10-16  Paolo Bonzini  <>
	    Maxim Kuvyrkov  <>

	* target.h (unspec_may_trap_p): New target hook.
	* target-def.h (TARGET_UNSPEC_MAY_TRAP_P): New macro.
	* targhooks.c (default_unspec_may_trap_p): Default implementation of
	the hook.
	* targhooks.h (default_unspec_may_trap_p): Declare it.
	* doc/tm.texi (TARGET_UNSPEC_MAY_TRAP_P): Document new hook.
	* rtlanal.c (may_trap_p_1): Use new hook.  Make global.
	* rtl.h (may_trap_p_1): Declare.
	* config/ia64/ia64.c (ia64_unspec_may_trap_p): New function to
	override default hook implementation.
	(TARGET_UNSPEC_MAY_TRAP_P): Override default implementation of the

2007-10-16  Manuel Lopez-Ibanez  <>

	* doc/invoke.texi (Wextra): Move it just after Wall, list the
	options enabled by Wextra and mention Wuninitialized.
2007-10-15  Nigel Stephens  <>

	* config/mips/mips.h (LOCAL_ALIGNMENT): Define.

2007-10-15  Jakub Jelinek  <>

	PR tree-optimization/33136
	* opts.c (decode_options): Don't enable flag_ipa_type_escape.

2007-10-15  Alexandre Oliva  <>

	PR tree-optimization/33735
	PR tree-optimization/33572
	* tree-inline.c (update_ssa_across_abnormal_edges): Revert
	2007-10-09's change.
	* except.c (duplicate_eh_regions): Don't look for prev_try
	beyond ERT_ALLOWED_EXCEPTIONS with an empty list.

2007-10-15  Alexandre Oliva  <>

	PR middle-end/33706
	* tree-inline.c (copy_bb): Use bsi_replace to replace a
	__builtin_va_arg_pack-containing call stmt.

2007-10-15  Razya Ladelsky  <>

	* matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
	program flag.

2007-10-15  Jakub Jelinek  <>

	PR tree-optimization/33619
	* tree-ssa-ter.c (is_replaceable_p): Return false for all

2007-10-15  David Edelsohn  <>

	* config.gcc (powerpc-ibm-aix5*): Install altivec.h.

2007-10-15  Richard Guenther  <>

	* fold-const.c (extract_array_ref): Remove.
	(fold_comparison): Handle POINTER_PLUS_EXPR with the
	generic address expression comparison folding.  Remove
	the folding that used extract_array_ref.

2007-10-15  Maxim Kuvyrkov  <>

	PR target/33133
	* haifa-sched.c (process_insn_forw_deps_be_in_spec): Check if
	speculation type of insn can be changed before trying to do that.

2007-10-15  Eric Botcazou  <>

	* dse.c (struct insn_info): Add 'frame_read' field.
	(scan_insn): For the call to a const function, set frame_read if
	reload has been run.
	If the insn reads the frame, kill the frame related stores.
	(scan_reads_nospill): Likewise.

2007-10-14  Jason Merrill  <>

	* tree-eh.c (optimize_double_finally): Don't assume that the
	cleanup we're duplicating is only one statement.

2007-10-14  Kazu Hirata  <>

	* config/fixed-bit.c, config/i386/cpuid.h, config/i386/i386.c,
	config/i386/, config/i386/, function.c, jump.c,
	modulo-sched.c, ra-conflict.c, toplev.c, tree-eh.c, tree-sra.c,
	tree-ssa-dse.c, tree-vect-analyze.c, tree-vect-patterns.c,
	tree-vect-transform.c: Fix comment typos.
	* doc/extend.texi: Fix a typo.

	* c-common.h: Remove the prototype for c_expand_body.
	* c-tree.h: Remove the prototype for c_disregard_inline_limits.
	* tree.h: Remove the prototype for fold_build_call_expr.

	* c-tree.h: Remove the prototype for c_cannot_inline_tree_fn.

2007-10-13  David Edelsohn  <>

	* config/rs6000/aix53.h: New file.
	* config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0.
	* config/rs6000/aix.h (TARGET_ALTIVEC): Delete.
	* config.gcc (powerpc-ibm-aix5*): Rename to aix5.2.  Add new
	stanza defaulting to aix5.3.

2007-10-12  Nathan Froyd  <>

	* config/i386/ (SI_REG, DI_REG): New constants.
	(strmov): Use defined constants.
	(cmpstrnsi): Likewise.
	* config/i386/i386.c (decide_alg): Use defined constants.
	(ix86_expand_strlen): Likewise.

2007-10-12  Richard Sandiford  <>

	* dse.c (find_shift_sequence): Reinstate "<= UNITS_PER_WORD" condition.
	* var-tracking.c (micro_operation_def): Update comment on u.loc.
	(mode_for_reg_attrs, var_lowpart): New functions.
	(add_uses): Consider recording a lowpart of LOC for MO_USE.
	(add_stores): Likewise MO_SET and MO_COPY.  If the source of a set
	or copy is known, set LOC to the SET that performs the set, instead
	of the destination.
	(find_src_status, find_src_set_src): Remove LOC parameter.
	Replace INSN with the source value.
	(compute_bb_dataflow, emit_notes_in_bb): Check for a SET u.loc when
	handling MO_SET and MO_COPY.  Update the calls to find_src_status
	and find_src_set_src.

2007-10-12  Nathan Froyd  <>

	PR 11001
	* config/i386/ (strmov): Check for esi and edi usage.
	* config/i386/i386.c (decide_alg): Check whether we can use a
	rep prefix and adjust algorithm choice accordingly.
	(ix86_expand_strlen): Check for eax, ecx, and edi usage.

2007-10-12  Kaveh R. Ghazi  <>

	* config/c4x/ (mulqi3, mulhi3): Use optab_libfunc.

2007-10-12  Kenneth Zadeck <>

	* global.c (build_insn_chain): Formatting fixes.

2007-10-12  Richard Guenther <>

	* tree-ssa-forwprop.c (forward_propagate_into_cond): For
	combining both operands require either both have single uses
	or combining to a constant.

2007-10-12  Richard Guenther  <>

	PR middle-end/26198
	* tree-ssa-forwprop.c (can_propagate_from): Do not propagate from
	a rhs with side-effects or which is a load.
	(forward_propagate_into_cond): Also try combining both operands.

2007-10-12  Uros Bizjak  <>

	PR tree-optimization/33742
	* tree-vect-transform.c (vectorizable_operation): Return false
	if get_vectype_for_scalar_type for scalar_dest can't be determined.
	(vectorizable_call): Same for rhs_type and lhs_type.

2007-10-12  Jakub Jelinek  <>

	PR tree-optimization/33645
	* tree-ssa-live.c (mark_all_vars_used): Add data argument,
	pass it to walk_tree.
	(mark_all_vars_used_1): Pass data through to mark_all_vars_used.
	When calling set_is_used on a VAR_DECL, if data is not NULL and
	its DECL_UID is in the bitmap, call mark_all_vars_used on its
	DECL_INITIAL after clearing the bit in bitmap.
	(remove_unused_locals): Adjust mark_all_vars_used callers.
	Instead of removing unused global vars from unexpanded_var_list
	immediately record them in bitmap, call mark_all_vars_used on
	all used global vars from unexpanded_var_list and only purge
	global vars that weren't found used even during that step.
2007-10-11  John David Anglin  <>

	* gthr-posix.h (__gthread_active_init): Create detached instead of
	joinable thread when testing whether threads are active on hppa-hpux.
	* gthr-posix95.h (__gthread_active_init): Likewise.

2007-10-11  Kenneth Zadeck <>

	PR middle-end/33676
	* global.c (build_insn_chain): Include insn that occur between
	basic blocks.
2007-10-11  Tom Tromey  <>

	* gengtype-yacc.y: Delete.

2007-10-11  Uros Bizjak  <>

	* config/i386/ (AX_REG, DX_REG, CX_REG): New constants.
	* config/i386/i386.c (ix86_function_arg_regno_p, function_arg_32,
	function_value_32, function_value_64, function_value_ms_64,
	setup_incoming_varargs_64, ix86_expand_prologue, ix86_expand_call,
	legitimize_tls_address, x86_this_parameter, x86_output_mi_thunk):
	Use new constants.

2007-10-11  Richard Guenther  <>

	* gcse.c (hash_scan_set): If the next nonnote insn is in
	a different basic block insert the set.

2007-10-11  Richard Guenther  <>

	PR middle-end/33724
	* tree-cfg.c (one_pointer_to_useless_type_conversion_p): New function.
	(verify_gimple_expr): Use it to verify pointer-to types for

2007-10-11  Richard Guenther  <>

	PR c/33726
	* c-typeck.c (build_array_ref): Do not strip qualifiers from
	the array element type.

2007-10-11  Eric Botcazou  <>

	PR rtl-optimization/33638
	* dse.c (struct insn_info): Remove 'stack_read' field,
	add 'stack_pointer_based' field.
	(record_store): For a store with non-constant base, record
	whether it is stack pointer based.
	(scan_insn): For the call to a const function, remove stack
	pointer based stores from the list of local active stores.
	(scan_reads_nospill): Delete code dealing with const functions.

2007-10-10  Peter Bergner  <>

	* ra-conflict.c (partial_bitnum, max_bitnum): Change type of variables
	(conflict_p, set_conflict, set_conflicts): Likewise.
	* global.c (global_alloc): Likewise.
	* ra.h: Update prototypes.

2007-10-10  Wolfgang Gellerich  <>

	* opth-gen.awk: Fixed generation of comment stating the origin
	  of options.h

2007-10-10  Kazu Hirata  <>

	2007-10-09  Kazu Hirata  <>
	* longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
	and '%}', respectively.

	2007-10-09  Kazu Hirata  <>
	* config/m68k/m68k.c (print_operand): Handle '{' and '}'.
	* config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
	and '}'.
	* config/m68k/ Replace '{' with '%{' where '{' is
	meant to be output.

	2007-10-07  Kazu Hirata  <>
	* config/m68k/m68k.c, config/m68k/ Use the assembly
	* config/m68k/m68k.h (ASSEMBLER_DIALECT): New.

2007-10-10  Revital Eres  <>

	* modulo-sched.c (check_nodes_order): Dump the final order of
	the nodes.
	(get_sched_window): Add dump info.
	(calculate_order_params): Dump order params of the nodes.

2007-10-09  Kenneth Zadeck <>

	PR middle-end/33669
	* ra-conflict.c (record_one_conflict_between_regnos, 
	set_conflicts_for_earlyclobber, global_conflicts): Improved logging.
	(global_conflicts): Enhanced incorrect check.
2007-10-09  Geoffrey Keating  <>

	* dwarf2out.c (output_call_frame_info): FDEs are always emitted
	if flag_exceptions is not set.
	* config/darwin.c (darwin_emit_unwind_label): Rewrite to use
	assemble_name rather than incorrectly emulating it.

	* doc/extend.texi (Deprecated Features): Mention that <? and >? and
	friends are removed from G++.

2007-10-09  Manuel Lopez-Ibanez  <>

	* c-opts.c (c_common_handle_option): -Wnontemplate-friend,
	-Wwrite-strings and -Wmultichar are enabled by default, so Wall
	enabling them is redundant. Don't check two times for
2007-10-09  H.J. Lu  <>

	* ra-conflict.c (record_one_conflict_between_regnos): Revert
	the last change.
	(set_conflicts_for_earlyclobber): Likewise.
	(global_conflicts): Likewise.

2007-10-09  Kazu Hirata  <>

	* longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
	and '%}', respectively.

2007-10-09  Kazu Hirata  <>

	* config/m68k/m68k.c (print_operand): Handle '{' and '}'.
	* config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
	and '}'.
	* config/m68k/ Replace '{' with '%{' where '{' is
	meant to be output.

2007-10-09  Richard Guenther  <>

	PR middle-end/33692
	* gimplify.c (canonicalize_component_ref): Honor qualifiers
	of referenced structure and component.

2007-10-09  Kenneth Zadeck <>

	PR middle-end/33669
	* ra-conflict.c (record_one_conflict_between_regnos,
	set_conflicts_for_earlyclobber, global_conflicts): Improved logging.
	(global_conflicts): Removed incorrect check.

2007-10-09  Richard Sandiford  <>

	PR tree-optimization/33615
	* tree-ssa-pre.c (compute_avail): Don't call make_values_for_stmt
	if the statement might throw.  Fix formatting.

2007-10-09  Richard Sandiford  <>

	PR tree-optimization/33615
	* tree-ssa-loop-im.c (movement_possibility): Return MOVE_IMPOSSIBLE
	if the rhs might throw.

2007-10-09  Jan Hubicka  <>

	* invoke.texi (align-threshold, align-loop-iterations): Document.
	* final.c: Include cfgloop.h, params.h
	(compute_alignments): Dump decisions and compare them with loop
	structure; honor given parameters.
	(pass_compute_alignments): New dump file.
	* (final.o): Add dependency on cfgloop.h and params.h

2007-10-09  James E. Wilson  <>

	PR tree-optimization/33655
	PR middle-end/22156
	* tree-sra.c (bitfield_overlaps_p): When fld->element is INTEGER_CST,
	convert it to bitsizetype before size_binop call.

2007-10-09  Alexandre Oliva  <>

	PR tree-optimization/33572
	* tree-inline.c (update_ssa_across_abnormal_edges): Tolerate
	the absence of a corresponding edge from the exit block.

2007-10-09  Alexandre Oliva  <>

	PR middle-end/22156
	* tree-sra.c (instantiate_element): Use BYTES_BIG_ENDIAN for
	bit-field layout.
	(sra_build_assignment): Likewise.  Set up mask depending on
	precision, not type.
	(sra_build_bf_assignment): Use BYTES_BIG_ENDIAN.  Don't overflow
	computing bit masks.
	(sra_build_elt_assignment): Don't view-convert from signed to
	(sra_explode_bitfield_assignment): Use bit-field type if
	possible.  Use BYTES_BIG_ENDIAN.

2007-10-08  Alexandre Oliva  <>

	PR middle-end/22156
	* tree-sra.c (scalarize_lsdt): Fix thinko in testing whether
	the original stmt can throw.
	(sra_build_bf_assignment): Fix type mismatch when applying negated

2007-10-08  Geoffrey Keating  <>

	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Register
	'#pragma mark' to be executed at preprocessing time.

2007-10-08  Ollie Wild  <>

	* varasm.c (compare_constant): Removed call to
	(copy_constants): Removed call to lang_hooks.expand_constant.
	(compute_reloc_for_constant): Removed call to
	(output_addressed_constants): Removed call to
	(constructor_static_from_elts_p): Removed call to
	(output_constant): Removed calls to lang_hooks.expand_constant.
	* langhooks.h (struct lang_hooks): Removed field expand_constant.
	* langhooks-def.h (lhd_return_tree): Removed.
	* langhooks.c (lhd_return_tree): Removed.

2007-10-08  Mark Shinwell  <>

	* combine.c (setup_incoming_promotions): Ensure that
	arguments that have not undergone mode promotions do not
	incorrectly get marked as being sign- or zero-extended.

2007-10-08  Richard Guenther  <>

	PR middle-end/33693
	PR middle-end/33695
	PR middle-end/33697
	* fold-const.c (fold_binary): Use correct types in folding
	of a * (1 << b) to (a << b).  Likewise for ~A & ~B to ~(A | B)
	and building of RROTATE_EXPR.

2007-10-08  Richard Guenther  <>

	PR middle-end/33691
	PR middle-end/33694
	PR middle-end/33696
	* fold-const.c (fold_binary): Use the correct types when
	folding (A | CST1) & CST2 to (A & CST2) | (CST1 & CST2).
	(fold_binary): Use the correct types when folding
	(-A) - B to (-B) - A.
	(fold_unary): Use the correct types when folding ~(X).

2007-10-08  Manuel Lopez-Ibanez  <>

	* doc/invoke.texi (Wall): fix formatting issues.
2007-10-07  Richard Sandiford  <>

	* simplify-rtx.c (simplify_binary_operation_1): Canonicalize
	truncated shift counts.

2007-10-07  Kazu Hirata  <>

	* config/m68k/m68k.c, config/m68k/ Use the assembly
	* config/m68k/m68k.h (ASSEMBLER_DIALECT): New.

2007-10-06  Eric Botcazou  <>
	    Nathan Froyd  <>

	* dwarf2out.c (dwarf2out_frame_init): Check for DWARF2_FRAME_INFO
	when determining whether to record INCOMING_RETURN_ADDR_RTX.

2007-10-06  Eric Botcazou  <>

	2007-02-12  Eric Botcazou  <>

	* tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
	* cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
	the function, temporarily point the debug interface to the null one.

2007-10-06  Alexandre Oliva  <>

	PR tree-optimization/33655
	PR middle-end/22156
	* tree-sra.c (bitfield_overlaps_p): Handle array and complex elements.

2007-10-06  Alexandre Oliva  <>

	PR tree-optimization/33572
	* tree-cfg.c (verify_stmts): Check for missing PHI defs.
	* tree-inline.c (update_ssa_across_eh_edges): Renamed to...
	(update_ssa_across_abnormal_edges): ... this.  Set slots in the
	return PHI node.
	(copy_edges_for_bb): Handle nonlocal label edges.
	(make_nonlocal_label_edges): Deleted.
	(optimize_inline_calls): Don't call it.

2007-10-05  Hans-Peter Nilsson  <>

	* gthr-single.h: Revert last change.

2007-10-05  Michael Matz  <>

	PR middle-end/33667
	* lower-subreg.c (decompose_multiword_subregs): Use

2007-10-05  Peter Bergner  <>

	* ra-conflict.c: Include "sparseset.h".
	(conflicts): Change to HOST_WIDEST_FAST_INT.
	(allocnos_live): Redefine variable as a sparseset.
	Delete macros.
	(allocno_row_words): Removed global variable.
	(partial_bitnum, max_bitnum, adjacency_pool, adjacency): New variables.
	(conflict_p, set_conflict_p, set_conflicts_p): New functions.
	(record_one_conflict_between_regnos): Cache allocno values and reuse.
	Use set_conflict_p.
	(record_one_conflict): Update uses of allocnos_live to use
	the sparseset routines.  Use set_conflicts_p.
	(mark_reg_store): Likewise.
	(set_reg_in_live): Likewise.
	(global_conflicts): Update uses of allocnos_live.
	Use the new adjacency list to visit an allocno's neighbors
	rather than iterating over all possible allocnos.
	Call set_conflicts_p to setup conflicts rather than adding
	them manually.
	* global.c: Comments updated.  
	(CONFLICTP): Delete define.
	(regno_compare): New function.  Add prototype.
	(global_alloc): Sort the allocno to regno mapping according to
	which basic blocks the regnos are referenced in.  Modify the
	conflict bit matrix to a compressed triangular bitmatrix.
	Only allocate the conflict bit matrix and adjacency lists if
	we are actually going to allocate something.
	(expand_preferences): Use conflict_p.  Update uses of allocnos_live.
	(prune_preferences): Use the FOR_EACH_CONFLICT macro to visit an
	allocno's neighbors rather than iterating over all possible allocnos.
	(mirror_conflicts): Removed function.
	(dump_conflicts): Iterate over regnos rather than allocnos so
	that all dump output will be sorted by regno number.
	Use the FOR_EACH_CONFLICT macro.
	* ra.h: Comments updated.
	(conflicts): Update prototype to HOST_WIDEST_FAST_INT.
	(partial_bitnum, max_bitnum, adjacency, adjacency_pool):
	Add prototypes.
	(adjacency_list_d, adjacency_iterator_d): New types.
	(add_neighbor, adjacency_iter_init, adjacency_iter_done,
	adjacency_iter_next, regno_basic_block): New static inline functions.
	(conflict_p): Add function prototype.
	* sparseset.h, sparseset.c: New files.
	* (OBJS-common): Add sparseset.o.
	(sparseset.o): New rule.

2007-10-05  Richard Guenther  <>

	PR middle-end/33666
	* fold-const.c (fold_unary): Do not fold (long long)(int)ptr
	to (long long)ptr.

2007-10-05  Michael Matz  <>

	PR inline-asm/33600
	* function.c (match_asm_constraints_1): Check for input
	being used in the outputs.

2007-10-05  Richard Guenther  <>

	* tree-cfg.c (verify_gimple_expr): Accept OBJ_TYPE_REF.

2007-10-05  Richard Sandiford  <>

	PR target/33635
	* config/mips/mips.c (mips_register_move_cost): Rewrite to use
	subset checks.  Make the cost of FPR -> FPR moves depend on

2007-10-04  Doug Kwan  <>

	* gthr-posix.h (__gthread_cond_broadcast, __gthread_cond_wait,
	__gthread_cond_wait_recursive): Add to extend interface for POSIX
	conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
	support of conditional variables.
	* gthr-posix95.h (__gthread_cond_broadcast, __gthread_cond_wait,
	__gthread_cond_wait_recursive): Add to extend interface for POSIX
	conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
	support of conditional variables.
	* gthr-single.h (__gthread_cond_broadcast, __gthread_cond_wait,
	__gthread_cond_wait_recursive): Add to extend interface for POSIX
	conditional variables.
	* gthr.h: Update comments to document new interface.

2007-10-04  Geoffrey Keating  <>

	* cgraphunit.c (cgraph_build_static_cdtor): Don't set DECL_IGNORED_P.

2007-10-04  Anatoly Sokolov <>

	* config/avr/avr.c (expand_epilogue): Don't set RTX_FRAME_RELATED_P.

2007-10-04  Richard Guenther  <>

	PR middle-end/33641
	* tree-cfg.c (verify_gimple_expr): Operand one of POINTER_PLUS_EXPR
	does not need to be of INTEGER_TYPE.
	(verify_gimple_2): New function split out from ...
	(verify_gimple_1): ... here.  ICE if there was an error during

2007-10-04  Michael Matz  <>

	PR rtl-optimization/33653
	* dce.c (deletable_insn_p_1): Use volatile_refs_p().
	* dse.c (scan_insn): Same.

2007-10-04  Kazu Hirata  <>

	* config.gcc: Remove USE_GAS for m68k targets.

2007-10-04  Richard Guenther  <>

	PR tree-optimization/33627
	* tree-gimple.h (canonicalize_cond_expr_cond): Declare.
	* tree-gimple.c (canonicalize_cond_expr_cond): New function,
	split out from ...
	* tree-ssa-forwprop.c (combine_cond_expr_cond): ... here.
	* tree-ssa-ifcombine.c (ifcombine_iforif): Use it.

2007-10-04  Anatoly Sokolov <>

 	* config/avr/avr.c (commands_in_file, commands_in_prologues, 
	commands_in_epilogues): Remove variables.
	(avr_file_start): Remove unneded initializations of commands_in_file,
	commands_in_prologues and commands_in_epilogues variables.
	(avr_file_end): Remove dead code.

2007-10-04  Kazu Hirata  <>

	* config/m68k/m68k.c (m68k_output_movem): Use the MOTOROLA if
	MOTOROLA is to true.

2007-10-03  Richard Sandiford  <>

	PR target/33635
	* config/mips/mips-protos.h (mips_split_64bit_move): Rename to...
	(mips_split_doubleword_move): ...this.
	* config/mips/mips.c (mips_subword): Extend to handle 64-bit words;
	use natural endianness for multi-format FPR values.
	(mips_split_64bit_move): Rename to...
	(mips_split_doubleword_move): ...this and extend to 64-bit words.
	Use move_doubleword_fpr* patterns for moves involving FPRs.
	(mips_save_reg): Update the call to mips_split_64bit_move.
	(mips_secondary_reload_class): Return NO_REGS for any reload of a
	nonzero constant into an FPR if the constant can be forced to memory.
	* config/mips/ Update the splitter calls to
	(UNSPEC_LOAD_DF_LOW): Rename to...
	(UNSPEC_LOAD_LOW): ...this.
	(UNSPEC_LOAD_DF_HIGH): Rename to...
	(UNSPEC_LOAD_HIGH): ...this.
	(UNSPEC_STORE_DF_HIGH): Rename to...
	(UNSPEC_STORE_WORD): ...this.
	(SPLITF): New mode iterator.
	(HALFMODE): New mode attribute.
	(movtf): New expander.
	(*movtf_internal): New define_insn_and_split.
	(move_doubleword_fpr<mode>): New expander.
	(load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Replace
	(load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
	(mfhc1<mode>): ...these more general patterns.

2007-10-03  Alexandre Oliva  <>

	* cfgrtl.c (rtl_block_ends_with_call_p): Skip notes at the end.

2007-10-03  Alexandre Oliva  <>

	* gcse.c (hash_scan_set): Insert set in insn before note at
	the end of basic block.

2007-10-03  Sebastian Pop  <>

	PR tree-optimization/33576
	* testsuite/gcc.dg/tree-ssa/pr33576.c: New.
	* tree-loop-linear.c (linear_transform_loops): Call remove_iv.
	* lambda.h (lambda_loopnest_to_gcc_loopnest): New parameter.
	(remove_iv): Declared.
	* lambda-code.c (remove_iv): Not static.
	(lambda_loopnest_to_gcc_loopnest): New parameter remove_ivs.
	Don't remove ivs there, save ivs in the buffer.

2007-10-03  Jason Merrill  <>

	PR c++/15764
	* tree-eh.c (same_handler_p): New fn.
	(optimize_double_finally): New fn.
	(refactor_eh_r): New fn.
	(refactor_eh): New fn.
	(pass_refactor_eh): New pass.
	* tree-pass.h: Declare it.
	* passes.c (init_optimization_passes): Add it.

2007-10-03  Doug Kwan  <>
	Richard Guenther  <>

	PR debug/31899
	* dwarf2out.c (reference_to_unused): Disable sanity checking,
	be conservative instead.

2007-10-03  Francois-Xavier Coudert  <>

	PR fortran/26682
	* doc/invoke.texi (-fwhole-program): Document that Fortran
	doesn't support this option.

2007-10-02  Richard Sandiford  <>

	PR middle-end/33617
	* expr.c (expand_expr_addr_expr_1): Pass CONSTRUCTORs to expand_expr.

2007-10-02  David Daney  <>

	* config/mips/ (sync_compare_and_swap<mode>): Handle compare
	against constant zero.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP):  Handle constant zero

2007-09-02  Kenneth Zadeck <>

	* ra-conflict.c: New file.
	* ra.h: New file.
	* reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE
	usage to DF_LIVE usage.
	(reload): Remove reference to df_get_live_top.
	* rtlanal.c (subreg_nregs_with_regno): New function.  
	* df-scan.c (df_def_record_1, df_uses_record): Add code to set
	(df_has_eh_preds): Removed.
	(df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect,
	df_exit_block_uses_collect): Changed call from df_has_eh_preds to
	* global.c (allocno, max_allocno, conflicts, allocno_row_words,
	reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h
	(SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c.
	(regs_set, record_one_conflict, record_conflicts, mark_reg_store,
	mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted.
	(global_alloc): Turn off rescanning insns after call to
	global_conflicts and added call to set_preferences.
	(global_conflicts): Moved to ra-alloc.c.
	(set_preferences_1, set_preferences): New function.
	(mirror_conflicts): Changed types for various variables.
	(mark_elimination): Change DF_RA_LIVE
	usage to DF_LIVE usage.
	(build_insn_chain): Rewritten from scratch and made local.
	(print_insn_chain, print_insn_chains): New functions.
	(dump_conflicts): Do not print conflicts for fixed_regs.
	(rest_of_handle_global_alloc): Turn off insn rescanning.
	* hard-reg-set.h: Fixed comment.
	* local-alloc.c (update_equiv_regs): Change DF_RA_LIVE
	usage to DF_LIVE usage and delete refs to TOP sets.
	(block_alloc): Mark regs as live if they are in the artificial
	defs at top of block.
	(find_stack_regs): New function.
	(rest_of_handle_local_alloc): Changed urec problem to live
	problem and do not turn off df rescanning.
	DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec,
	df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed.
	(DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered.
	fields in df_ref_flags.  The rest have been renumbered.  
	* init-regs.c (initialize_uninitialized_regs): Enhanced debugging
	at -O1.
	* rtl.h (subreg_nregs_with_regno): New function.
	* df-problems.c: (df_get_live_out, df_get_live_in,
	df_get_live_top): Removed reference to DF_RA_LIVE.
	(df_lr_reset, df_lr_transfer_function, df_live_free_bb_info,
	df_live_alloc, df_live_reset, df_live_local_finalize,
	df_live_free): Make top set only if different from in set.
	(df_lr_top_dump, df_live_top_dump): Only print top set if
	different from in set.
	(df_lr_bb_local_compute): Removed unnecessary check.
	(df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info, 
	df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass, 
	df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber,
	df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
	df_urec_local_compute, df_urec_init, df_urec_local_finalize, 
	df_urec_confluence_n, df_urec_transfer_function, df_urec_free, 
	df_urec_top_dump, df_urec_bottom_dump, problem_UREC,
	df_urec_add_problem): Removed.
	(df_simulate_fixup_sets): Changed call from df_has_eh_preds to
	* (ra-conflict.o, ra.h): New dependencies.
	* basic_block.h (bb_has_abnormal_pred): New function.
	* reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE
	usage to DF_LIVE usage.
2007-10-02  Revital Eres  <>

	* config/rs6000/ (easy_vector_constant): Return false
	for 750CL paired vectors.
	* config/rs6000/ (movv2sf_paired): Fix move of easy
	vector constant.
	(vec_initv2sf): Add new description.
	(vconcatsf): Likewise.
	* config/rs6000/rs6000-protos.h: Declare paired_expand_vector_init.
	* config/rs6000/rs6000.c (paired_expand_vector_init): New function.

2007-10-01  Alexandre Oliva  <>

	* tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
	sinking the last stmt in a BB.

2007-10-01  Alexandre Oliva  <>

	PR middle-end/22156
	* tree-sra.c (struct sra_elt): Add in_bitfld_block.
	(sra_hash_tree): Handle BIT_FIELD_REFs.
	(sra_elt_hash): Don't hash bitfld blocks.
	(sra_elt_eq): Skip them in parent compares as well.  Handle
	(build_element_name_1): Handle BIT_FIELD_REFs.
	(instantiate_element): Propagate nowarn from parents.  Create
	BIT_FIELD_REF for variables that are widened by scalarization.
	Gimple-zero-initialize all bit-field variables that are not
	part of parameters that are going to be scalarized on entry.
	(instantiate_missing_elements_1): Return the sra_elt.
	(canon_type_for_field): New.
	(try_instantiate_multiple_fields): New.  Infer widest possible
	access mode from decl or member type, but clip it at word
	size, and only widen it if a field crosses an alignment boundary.
	(instantiate_missing_elements): Use them.
	(generate_one_element_ref): Handle BIT_FIELD_REFs.
	(scalar_bitfield_p): New.
	(sra_build_assignment): Optimize assignments from scalarizable
	BIT_FIELD_REFs.  Use BITS_BIG_ENDIAN to determine shift counts.
	(REPLDUP): New.
	(sra_build_bf_assignment): New.  Optimize assignments to
	scalarizable BIT_FIELD_REFs.
	(sra_build_elt_assignment): New.  Optimize BIT_FIELD_REF
	assignments to full variables.
	(generate_copy_inout): Use the new macros and functions.
	(generate_element_copy): Likewise.  Handle bitfld differences.
	(generate_element_zero): Don't recurse for blocks.  Use
	(generate_one_element_init): Take elt instead of var.  Use
	(generate_element_init_1): Adjust.
	(bitfield_overlap_info): New struct.
	(bitfield_overlaps_p): New.
	(sra_explode_bitfield_assignment): New.  Adjust widened
	variables to account for endianness.
	(sra_sync_for_bitfield_assignment): New.
	(scalarize_use): Re-expand assignment to/from scalarized
	BIT_FIELD_REFs.  Explode or sync needed members for
	BIT_FIELD_REFs accesses or assignments.  Use REPLDUP.
	(scalarize_copy): Use REPLDUP.
	(scalarize_ldst): Move assert before dereference.  Adjust EH handling.
	(dump_sra_elt_name): Handle BIT_FIELD_REFs.

2007-10-01  Paolo Bonzini  <>

	* simplify-rtx.c (comparison_result, simplify_relational_operation_1):
	Rename CR_* constants to CMP_*.  Fix spacing.

2007-10-01  Manuel Lopez-Ibanez  <>

	PR other/33585
	* (build_html_dir/gccinstall): gccinstall.texi needs
	to be processed with the special script doc/install.texi2html.
2007-09-30  Manuel Lopez-Ibanez  <>

	* doc/invoke.texi (Wall): List the options enabled by Wall.
	(Wstrict-aliasing): Add missing @option.
2007-09-30  Richard Sandiford  <>

	* config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
	rather than gen_lowpart to change a register from DImode to DFmode.
	(mips_cannot_change_mode_class): Only allow FPRs to change mode if
	both FROM and TO are integer modes that are no bigger than 4 bytes.
	(mips_mode_ok_for_mov_fmt_p): New function.
	(mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
	(mips_secondary_reload_class): Tweak formatting and comments.
	Use reg_class_subset_p instead of direct comparisons with
	classes.  Only allow direct FPR<->FPR moves for modes that
	satisfy mips_mode_ok_for_mov_fmt_p.  Only allow loads and stores
	for 4- and 8-byte types.  Handle reloads in which X is an FPR.
	* config/mips/ (*movdi_gp32_fp64): Remove f<-f alternative.
	(*movdi_64bit): Likewise.
	(*movsi_internal): Likewise.
	(*movhi_internal): Likewise.
	(*movqi_internal): Likewise.

2007-09-30  Diego Novillo  <>

	PR 33593
	* tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
	throw an exception.

2007-09-30  Uros Bizjak  <>

	PR tree-optimization/33597
	* tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
	for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.

2007-09-28  Uros Bizjak  <>

	* config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
	instead of variants of (!reload_in_progress && !reload_completed).
	(x86_expand_vector_move): Ditto.

2007-09-28  Ollie Wild  <>

	2007-09-27  Ollie Wild  <>

	* varasm.c (compare_constant): Removed call to
	(copy_constants): Removed call to lang_hooks.expand_constant.
	(compute_reloc_for_constant): Removed call to
	(output_addressed_constants): Removed call to
	(constructor_static_from_elts_p): Removed call to
	(output_constant): Removed calls to lang_hooks.expand_constant.
	* langhooks.h (struct lang_hooks): Removed field expand_constant.
	* langhooks-def.h (lhd_return_tree): Removed.
	* langhooks.c (lhd_return_tree): Removed.

2007-09-28  Andrew Pinski  <>

	PR target/33347
	* config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
	argument to gen_selb.

2007-09-28  Chao-ying Fu  <>

	* libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
	* doc/libgcc.texi (Fixed-point fractional library routines):
	Fix typos for neg and cmp functions.

2007-09-28  Michael Matz  <>

	PR rtl-optimization/33552
	* function.c (match_asm_constraints_1): Check for overlap in
	inputs and replace all occurences.

2007-09-28  Richard Sandiford  <>

	* config/mips/mips.c (override_options): Fix comment typo.

2007-09-28  Jie Zhang  <>

	* config.gcc (bfin*-linux-uclibc*): Set extra_parts
	to "crtbegin.o crtbeginS.o crtend.o crtendS.o".
	* config/bfin/t-bfin-linux (crti.o): Don't build.
	(crtn.o): Likewise.
	(EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
	* config/bfin/t-bfin-uclinux (crti.o): Don't build.
	(crtn.o): Likewise.
	(EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.

2007-09-27  Ollie Wild  <>

	* varasm.c (compare_constant): Removed call to
	(copy_constants): Removed call to lang_hooks.expand_constant.
	(compute_reloc_for_constant): Removed call to
	(output_addressed_constants): Removed call to
	(constructor_static_from_elts_p): Removed call to
	(output_constant): Removed calls to lang_hooks.expand_constant.
	* langhooks.h (struct lang_hooks): Removed field expand_constant.
	* langhooks-def.h (lhd_return_tree): Removed.
	* langhooks.c (lhd_return_tree): Removed.

2007-09-27  John David Anglin  <>

	PR middle-end/33436
	* expr.c (emit_group_load_1): Split constant double when destination
	length is half source length.

2007-09-27  Richard Sandiford  <>

	* config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
	(mips_cpu_info): Add tune_flags.
	* config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
	Remove end marker.
	(override_options): Remove deprecation code.  Use branch-likely
	instructions for optimize_size or if the tuning flags do not
	suggest otherwise.  Tweak warning.
	(mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.

2007-09-27  Matthias Klose  <>

	* config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
	multilib osdirname if it exists.
	* config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.

2007-09-27  Ian Lance Taylor  <>

	PR tree-optimization/33565
	* tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
	assignments of comparisons.
	* tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
	parameter.  Change caller.  Defer overflow warnings around call to
	* fold-const.c (fold_undefer_overflow_warnings): Don't warn if
	TREE_NO_WARNING is set on the statement.
	* tree-ssa-forwprop.c
	(tree_ssa_forward_propagate_single_use_vars): Don't test
	TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
	* tree-cfg.c (fold_cond_expr_cond): Likewise.

2007-09-27  Joseph Myers  <>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
	reduce offset by units of 0x10000 for SPE vector modes or modes
	used with E500 double instructions.

2007-09-04  Paolo Bonzini  <>

	* simplify-rtx.c (comparison_result): New.
	(simplify_const_relational_operation): Use it instead of the five
	"equal|op[01]ltu?" variables; consequently remove redundant "else"s.
	Improve bounds-checking optimizations; remove subsumed POPCOUNT
	optimizations.  Extract nonzero_address_p optimizations into a
	separate "if" together with optimizations where op1 is const0_rtx.
	Optimize comparing an IOR with zero.  Simplify op0 RELOP op0 for
	floating-point arguments too when appropriate.  Hoist test for ABS
	outside the final switch statement.
	* cse.c (fold_rtx): Don't look for an IOR equivalent of
	folded_arg0 if we found a constant equivalent.	Remove
	transformations done in simplify-rtx.c for "op0 RELOP op0".

2007-09-27  Jakub Jelinek  <>

	* builtins.c (expand_builtin, expand_builtin_object_size,
	expand_builtin_memory_chk, maybe_emit_chk_warning,
	maybe_emit_sprintf_chk_warning): Use new %K format string specifier
	for diagnostics.
	* expr.c (expand_expr_real_1): Likewise.
	* langhooks-def.h (struct diagnostic_info): Add forward decl.
	(lhd_print_error_function): Add third argument.
	* langhooks.h (struct diagnostic_info): Add forward decl.
	(struct lang_hooks): Add third argument to print_error_function.
	* diagnostic.h (diagnostic_info): Add abstract_origin field.
	(diagnostic_last_function_changed, diagnostic_set_last_function): Add
	second argument.
	(diagnostic_report_current_function): Likewise.
	* toplev.c (announce_function): Pass NULL as second argument to
	* diagnostic.c (diagnostic_report_current_function): Add second
	argument, pass it as third argument to lang_hooks.print_error_function.
	(default_diagnostic_starter): Pass DIAGNOSTIC as second argument
	to diagnostic_report_current_function.
	(diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
	and message.abstract_origin.
	(verbatim): Initialize abstract_origin.
	* pretty-print.h (text_info): Add abstract_origin field.
	* pretty-print.c (pp_base_format): Handle %K.
	* langhooks.c (lhd_print_error_function): Add third argument.  If
	diagnostic->abstract_origin, print virtual backtrace.
	* c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
	gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
	(init_dynamic_diag_info): Likewise.

2007-09-26  David Daney  <>

	PR target/33479
	* config/mips/ (sync_compare_and_swap<mode>, sync_old_add<mode>,
	sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
	sync_old_nand<mode>, sync_new_nand<mode>,
	sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
	Update length attributes.
	(sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
	sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
	length attributes.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
	post-loop sync.

2007-09-26  Richard Guenther  <>

	PR tree-optimization/33563
	* tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
	(get_kill_of_stmt_lhs): ... this.  Re-structure.  Handle
	aggregate stores.
	(dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of

2007-09-26  Joseph Myers  <>

	PR c/25309
	* c-common.c (complete_array_type): Diagnose too-large arrays and
	set type to error_mark_node.

2007-09-26  Richard Guenther  <>

	PR tree-optimization/30375
	PR tree-optimization/33560
	* tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
	with calls.

	2006-05-22  Aldy Hernandez  <>

	* tree-ssa-dse.c (aggregate_vardecl_d): New.
	(dse_global_data): Add aggregate_vardecl field.
	(dse_possible_dead_store_p): New.
	Add prev_defvar variable.
	Allow immediate uses and previous immediate uses to differ
	if they are setting different parts of the whole.
	(get_aggregate_vardecl): New.
	(dse_record_partial_aggregate_store): New.
	(dse_whole_aggregate_clobbered_p): New.
	(dse_partial_kill_p): New.
	Call dse_maybe_record_aggregate_store().
	When checking whether a STMT and its USE_STMT refer to the
	same memory address, check also for partial kills that clobber
	the whole.
	Move some variable definitions to the block where they are used.
	(aggregate_vardecl_hash): New.
	(aggregate_vardecl_eq): New.
	(aggregate_vardecl_free): New.
	(aggregate_whole_store_p): New.
	(tree_ssa_dse): Initialize and free aggregate_vardecl.
	Mark which aggregate stores we care about.

2007-09-25  DJ Delorie  <>

	PR target/33551
	* config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of XINT.

2007-09-25  Michael Meissner  <>

	PR target/33524
	* config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
	gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
	for vector int32 -> int64 conversions.  Don't write beyond the end
	of the allocated vector for int32 -> int64 conversions.

2007-09-25  Revital Eres  <>

	* config/rs6000/paired.h (paired_sel): New.
	* config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
	(rs6000_expand_ternop_builtin): Pass zero const_double operand
	when expanding selv2sf.
	* config/rs6000/rs6000.h (rs6000_builtins): Add

2007-09-25  Joseph Myers  <>

	PR c/32295
	* c-typeck.c (default_conversion): Call require_complete_type
	before perform_integral_promotions.
	(build_unary_op): Call require_complete_type except for ADDR_EXPR.
	(build_c_cast): Call require_complete_type except for casts to
	void types.
	(convert_for_assignment): Call require_complete_type.

2007-09-25  Revital Eres  <>

	* config/spu/ Fix doloop pattern.

2007-09-25  Bernd Schmidt  <>

	* config/bfin/bfin.c (expand_prologue_reg_save,
	expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs
	and ASTAT moved here...
	(expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
	... from here.  New argument ALL; callers changed.
	(n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
	(bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
	have the "saveall" attribute.

2007-09-25  Hans-Peter Nilsson  <>

	* config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
	bogus target macro.
	* config/mmix/mmix.c (mmix_opposite_regno): New function.
	* config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.

	* config/mmix/ ("*cmpcc_folded"): In condition, gate
	with REG_P tests before REGNO access.

2007-09-24  DJ Delorie  <>

	PR target/31482
	* config/m32c/ (stzx_reversed_<mode>): Add an output
	(movqicc_<code>_<mode>): Likewise.
	(movhicc_<code>_<mode>): Likewise.

2007-09-24  Rask Ingemann Lambertsen  <>

	PR target/33184
	* config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
	register for reload.

2007-09-24  Danny Smith  <>

	PR c++/14688
	* config/i386/i386.c (ix86_comp_type_attributes): Check

2007-09-24  Roman Zippel <> 

	* config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
	"move.l %a4,%a4" to produce nops.
	* config/m68k/m68k.c (override_options): Reset align options,
	if neccessary align macro isn't avaible.

2007-09-24  Roman Zippel <> 

	config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.

2007-09-24  Roman Zippel <> 

	* config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
	the basic block.
	* config/m68k/ (movsi_m68k): Allow certain constant when
	reload is completed.
	(peephole pattern): Convert most of them to RTL peephole pattern.

2007-09-24  Roman Zippel <> 

	* config/m68k/m68k.c (notice_update_cc): Recognize fp compare
	(moved from fp compare patterns).
	* config/m68k/ (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
	Cleanup predicates to relieve reload.
	(conditional_trap): Reject conditional trap with fp condition.
	* config/m68k/ (fp_src_operand): New, reject
	certain constants early.

2007-09-24  Roman Zippel <>

	* final.c (final_scan_insn): Remove accidentally duplicated code.

2007-09-24  Andrew Pinski  <>

	* config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
	Allow --with-tune=cell and --with-cpu=cell.

2007-09-24  David Edelsohn  <>

	* config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
	* config/rs6000/rs6000.opt (swdiv): Change option to ...
	(recip): this.
	* config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
	(rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
	(rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
	(rs6000_emit_swrsqrtsf): New.
	* config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
	* config/rs6000/ (UNSPEC_RSQRT): Define.
	(divsf3): Remove swdiv support.
	(recipsf3): New.
	(rsqrtsf2): New.
	(rsqrt_internal1): New.
	(divdf3): Remove swdiv support.
	(reciptdf3): New.

2007-09-24  Jakub Jelinek  <>

	PR c++/33506
	* langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
	* langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
	* tree.c (type_hash_eq): For FUNCTION_TYPE use
	lang_hooks.type.type_hash_eq in addition to generic tests.

2007-09-24  Pranav Bhandarkar  <>
	Ramana Radhakrishnan  <>

	* tree-inline.h (eni_weights): Add field target_builtin_cost to
	reflect the cost per call to a target specific builtin.
	* tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
	call to a target specific builtin, then use target_builtin_call_cost.
	(init_inline_once): Initialize target_builtin_call_cost field.

2007-09-24  Kai Tietz  <>

	PR middle-end/33472
	* config/i386/i386.c (return_in_memory_ms_64): Handle return types for
	complex types.

2007-09-23  H.J. Lu  <>

	* (ld_vers): Support GNU linker version xx.xx.*
	* configure: Regenerated.

2007-09-23  Ollie Wild  <>

	* fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
	(get_pointer_modulus_and_residue): New function.

2007-09-23  Richard Sandiford  <>

	* config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
	combine an SC return value into a single register.

2007-09-23  Richard Sandiford  <>

	* opth-gen.awk (target_flags_explicit): Declare.
	* toplev.h (target_flags_explicit): Delete declaration.
	* toplev.c (target_flags): Likewise.
	* config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
	(GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
	Never return true for TARGET_MIPS16.
	* config/mips/mips.c (mips_llsc): Delete.
	(mips_handle_option): Remove -mllsc handling.
	(mips_strip_unspec_address): Tweak comment.
	* config/mips/mips.opt (mllsc): Use a target mask.

2007-09-23  Richard Sandiford  <>

	* doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
	word_mode as well as Pmode.

2007-09-23  Richard Sandiford  <>

	* function.c (assign_parm_setup_block): Explicitly convert BLKmode
	parameters from word_mode to the subword type if such a truncation
	is not a no-op.

2007-09-23  Jakub Jelinek  <>

	* (MAKEINFO): Handle makeinfo version 4.10 and above.
	* configure: Regenerated.

2007-09-23  Jan Hubicka  <>

	* params.def (INLINE_CALL_COST): Set to 12.
	* invoke.texi (inline-call-cost): Update default value.

2007-09-23  Eric Botcazou  <>

	* config/alpha/ (movti): Use operand_subword for the split.

2007-09-23  Ayal Zaks  <>
	    Revital Eres  <>

	* modulo-sched.c (doloop_register_get): Rewrite the loop which
	checks whether the count_reg is found outside the control part.

2007-09-23  Jakub Jelinek  <>

	* expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
	instead of checking CALL_EXPR_FN directly to test for builtins.
	If error or warning attributes are present, print
	error resp. warning.
	* c-common.c (handle_error_attribute): New function.
	(c_common_attribute_table): Add error and warning
	* doc/extend.texi: Document error and warning attributes.

	* tree.h (block_nonartificial_location): New prototype.
	* tree.c (block_nonartificial_location): New function.
	* dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
	if artificial attribute is present on abstract inline decl.
	* c-common.c (handle_artificial_attribute): New function.
	(c_common_attribute_table): Add artificial attribute.
	* final.c (override_filename, override_linenum): New variables.
	(final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
	and override_linenum if inside of a block inlined from
	__attribute__((__artificial__)) function.
	(notice_source_line): Honor override_filename and override_linenum.
	* doc/extend.texi: Document __attribute__((__artificial__)).
	* config/i386/emmintrin.h: Add __artificial__ attribute to
	all __always_inline__ functions.
	* config/i386/mmintrin.h: Likewise.
	* config/i386/tmmintrin.h: Likewise.
	* config/i386/mm3dnow.h: Likewise.
	* config/i386/pmmintrin.h: Likewise.
	* config/i386/ammintrin.h: Likewise.
	* config/i386/xmmintrin.h: Likewise.
	* config/i386/smmintrin.h: Likewise.
	* config/i386/bmmintrin.h: Likewise.
	* config/i386/mmintrin-common.h: Likewise.

	PR middle-end/28755
	* expr.c (expand_constructor): New function.
	(expand_expr_real_1) <case CONSTRUCTOR>: Call it.
	(expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is

2007-09-23  Richard Sandiford  <>

	* config/mips/mips.c (dump_constants_1): Generalize to include
	fractional and accumulator modes.

2007-09-23  Richard Sandiford  <>

	* config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
	* config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
	flags for MIPS16.
	(override_options): Check TARGET_HARD_FLOAT_ABI instead of
	TARGET_HARD_FLOAT when testing whether -mpaired-single is
	(mips_conditional_register_usage): Check ISA_HAS_DSP instead of
	* config/mips/ (ka): Check ISA_HAS_DSPR2 instead of
	* config/mips/ (ANYF): Require TARGET_HARD_FLOAT for V2SF.
	(mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
	(<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
	* config/mips/ Use ISA_HAS_DSP instead of TARGET_HAS_DSP
	* config/mips/ Likewise ISA_HAS_DSPR2 and
	* config/mips/ Use ISA_HAS_DSP and ISA_HAS_DSPR2
	* config/mips/ Add TARGET_HARD_FLOAT to V2SF patterns.

2007-09-22  Jason Merrill  <>

	PR c++/19407
	* attribs.c (lookup_attribute_spec): Split out...
	(decl_attributes): From here.
	* tree.h: Declare it.

2007-09-22  Richard Sandiford  <>

	* doc/sourcebuild.texi: Document dg-add-options mips16_attribute.

2007-09-22  Eric Botcazou  <>

	* tree-inline.c (remap_type_1): Correctly chain variants.

2007-09-22  Richard Guenther  <>

	PR tree-optimization/33146
	* fold-const.c (fold_binary): Use the original tree for negating.
	* tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
	also changes "sign".

2007-09-22  Eric Botcazou  <>

	PR target/32325
	* except.c (finish_eh_generation): Call commit_edge_insertions if
	there are insns queued on the entry edge.
	* config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
	the entry edge.

2007-09-22  Richard Sandiford  <>

	* doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.

2007-09-19  Michael Meissner  <>

	* config/i386/i386.c: Delete trailing whitespace.
	* config/i386/i386.h: Ditto.
	* config/i386/bmmintrin.h: Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.
	* config/i386/ Ditto.

2007-09-21  Richard Guenther  <>

	PR tree-optimization/33508
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
	quadratic loop by keeping a bitmap of variables we have
	to clobber all subvariables for.
	(set_initial_properties): Likewise.

2007-09-21  Richard Sandiford  <>

	* config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.

2007-09-20  Nigel Stephens  <>
	    Chao-ying Fu  <>

	* c-decl.c (finish_declspecs): When _Sat is used without
	_Fract or _Accum, set the default type to cts_fract.
	This avoids a warning of "type defaults to int".

2007-09-20  Joseph Myers  <>

	* c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
	bit-fields wider than one bit.

2007-09-20  Jakub Jelinek  <>

	PR debug/33316
	* dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
	* dbxout.c (dbxout_type): Likewise.

	PR c/33238
	PR c/27301
	* gimplify.c (gimplify_vla_decl): New function.
	(gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
	Call it.
	(gimplify_target_expr): Handle variable length TARGET_EXPRs.

2007-09-20  Richard Sandiford  <>

	* doc/invoke.texi (-minterlink-mips16): Document.
	* config/mips/mips.opt (minterlink-mips16): New option.
	* config/mips/mips.c (mips_function_ok_for_sibcall): Handle

2007-09-20  Joseph Myers  <>

	* doc/extend.texi (Attribute Syntax): Remove old speculative
	future direction.

2007-09-20  Mark Shinwell  <>

	* combine.c: Include cgraph.h.
	(setup_incoming_promotions): Rework to allow more aggressive
	elimination of sign extensions when all call sites of the
	current function are known to lie within the current unit.

2007-09-20  Richard Sandiford  <>

	* dse.c (find_shift_sequence): No-op rework of control flow.

2007-09-19  Richard Sandiford  <>

	* config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
	GPR for DCmode on 64-bit targets.  Remove redundant fallback.

2007-09-19  Andrew Pinski  <>

	* cfgexpand.c (dump_stack_var_partition): Use the correct
	index for the offset.

2007-09-19  Joseph Myers  <>

	* config/mips/sde.h: Switch to GPLv3.

2007-09-19  Eric Botcazou  <>

	* tree-sra.c (decide_block_copy): Decide if there are groups.

2007-09-19  Roman Zippel <>

	* config/m68k/m68k.c (output_move_himode): Remove jump table
	config/m68k/ (lea): Likewise.
	* config/m68k/m68k.c (print_operand_address): Use simple pc
	relative addressing.

2007-09-19  Bernd Schmidt  <>

	* doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
	* final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
	default definition.
	(asm_insn_count): Pass template as second argument to it.
	* config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
	* config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
	* config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
	* config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
	* config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
	(sh_insn_length_adjustment): Pass template as second argument to it.
	* config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.

	* config/bfin/ (define_asm_attributes): New.

2007-09-19  Jie Zhang  <>

	* config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
	to tm_file.
	* config/bfin/ New.
	* config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
	MULTILIB_EXCEPTIONS): Redefine with new multilibs.
	* config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
	MULTILIB_EXCEPTIONS): Redefine with new multilibs.
	* config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
	MULTILIB_EXCEPTIONS): Redefine with new multilibs.
	(linux-sysroot-suffix.h): New target.
	* config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
	(mspecld-anomaly): Likewise.
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
	(enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
	(bfin_si_revision): Declare.
	(bfin_workarounds): Declare.
	* config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
	(LIB_SPEC): Add %s to the linker scripts.
	Use proper linker script for bf522, bf525, bf527,
	bf538, bf539, bf542, bf544, bf548, and bf549.
	* config/bfin/bfin.c (bfin_si_revision): Define.
	(bfin_workarounds): Define.
	(struct bfin_cpu): New.
	(bfin_cpus): New.
	(bfin_handle_option): Handle silicon revision part of -mcpu option.
	(override_options): Set bfin_workarounds.
	(length_for_loop): Replace TARGET_CSYNC_ANOMALY with
	(bfin_reorg): Likewise.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	macros for bf522, bf525, bf527, bf538, bf539,
	bf542, bf544, bf548, and bf549.
	Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
	Don't define __ID_SHARED_LIB__ when -msep-data.
	(TARGET_DEFAULT): Define as 0.
	(DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
	* doc/invoke.texi (Blackfin Options): Document silicon
	revision part of -mcpu option and it now accepts bf522, bf525,
	bf527, bf538, bf539, bf542, bf544, bf548, and bf549.

2007-09-18  Kaveh R. Ghazi  <>

	* alias.c (memory_modified_1): Deconstify.
	(memory_modified_in_insn_p): Don't use const_note_stores.
	* rtl.h (const_note_stores): Delete.
	* rtlanal.c (const_note_stores): Likewise.

2007-09-18  Richard Sandiford  <>

	* dse.c (find_shift_sequence): Temporarily revert to forbidding
	word shifts.

2007-09-18  Rask Ingemann Lambertsen  <>

	PR target/33388
	PR target/33397
	* config/fr30/ (addsi3): Check REG_P() before calling REGNO().
	(addsi_small_int): Likewise.
	(addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
	(one_cmplsi2): Likewise.
	(negsi2): Delete.
	(enter_func): Expand insn using hard_frame_pointer_rtx and
	(*enter_func): New.
	* config/fr30/fr30.c (fr30_expand_prologue): Check for
	hard_frame_pointer_rtx instead of using REGNO() check.
	Properly sign extend GEN_INT() argument.

2007-09-18  Roman Zippel <>

	* config/m68k/m68k.c (override_options): Remove USE_GAS,
	use %. syntax.
	(output_dbcc_and_branch, output_scc_di): Replace all jbcc
	alternatives with just jcc.
	* config/m68k/ (addsi_lshrsi_31, beq0_di, bne0_di,
	bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
	bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
	dbge_hi, dbge_si): Likewise.

2007-09-18  Roman Zippel <>

	* config/m68k/ (beq, bne, bgt, blt, bge, ble, bordered,
	bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
	bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
	bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
	bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.

2007-09-18  Maxim Kuvyrkov  <>

	* config/m68k/m68k-devices.def (51qe): New device.
	* config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
	to all uses of FL_FOR_isa_c for compatibility.
	(all_microarchs): Add cfv1 microarchitecture.
	(m68k_handle_option): Handle m51qe option.
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
	(TUNE_CFV1): New macro.
	(enum uarch_type): Add ucfv1.
	* doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
2007-09-18  Richard Guenther  <>

	PR tree-optimization/31863
	* tree-ssa-structalias.c (create_variable_info_for): Always
	free the fieldstack.

2007-09-18  Dorit Nuzman  <>

	* opts.c (decode_options): Enable vectorization under -O3.

2007-09-18  Richard Guenther  <>

	PR tree-optimization/33340
	* tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
	SSA_NAMEs that occur in abnormal PHI nodes.

2007-09-17  Kaveh R. Ghazi  <>

	* tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
	Don't use const_get_call_expr_in.
	* tree-gimple.c (const_get_call_expr_in): Delete.
	* tree-gimple.h (const_get_call_expr_in): Likewise.

2007-09-18  Richard Sandiford  <>

	* df-scan.c (df_notes_rescan): Do nothing if the instruction does
	not yet have a basic block.
	* dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.

2007-09-18  Richard Sandiford  <>

	* config/mips/mips.c (mips_file_start): Add ".previous" directives
	to both ".section"s.

2007-09-17  Richard Sandiford  <>

	* config/mips/mips.c (mips_output_mi_thunk): Use
	mips_function_ok_for_sibcall and const_call_insn_operand
	to determine if a direct sibcall is allowed.  Use
	mips_classify_symbol to determine a global pointer is needed.

2007-09-17  Richard Sandiford  <>

	* config/mips/ (*clear_upper32): Use "W" as the memory operand.

2007-09-17  Chao-ying Fu  <>
	    Nigel Stephens  <>

	* config/fixed-bit.h: New file.
	* config/fixed-bit.c: New file.
	* doc/libgcc.texi (Fixed-point fractional library routines): New node.

2007-09-18  Jakub Jelinek  <>

	* c-format.h (format_kind_info): Add alloc_char field.
	* c-format.c (scanf_flag_specs): Add 'm'.
	(scanf_flag_pairs): Add 'a', 'm' pair.
	(scan_char_table): Allow 'm' modifier for c, s, [, C and S.
	(format_types_orig): Add alloc_char fields.
	(check_format_info_main): Rename aflag to alloc_flag.
	Handle fki->alloc_char. modifier after width and before length
	modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
	length modifiers as well.
	* config/sol2-c.c (solaris_format_types): Add alloc_char field.

	PR middle-end/33423
	* builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
	returned by build_call_expr.

2007-09-17  Eric Botcazou  <>

	* tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
	NULL for variable-sized records too.
	(sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.

2007-09-17  Tom Tromey  <>

	* c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
	(c_builtin_function): Likewise.
	(grokdeclarator): Likewise.

2007-09-17  Zdenek Dvorak  <>

	PR rtl-optimization/26449
	* loop-invariant.c (move_invariant_reg): Do not use force_operand.
	(seq_insns_valid_p): Removed.

2007-09-17  Eric Botcazou  <>

	* tree-nomudflap.c (gate_mudflap): New static function.
	(pass_mudflap_1): Use it as gate function.
	(pass_mudflap_2): Likewise.

2007-09-17  Jan Hubicka  <>

	PR middle-end/33348
	PR target/33406
	* loop-invariant.c (move_invariant_reg): Unshare sequence.

2007-09-17  Victor Kaplansky  <>

	PR tree-optimization/33319
	* tree-vect-analyze.c (vect_same_range_drs): New.
	(vect_vfa_range_equal): New.
	(vect_is_duplicate_ddr): Removed.
	(vect_mark_for_runtime_alias_test): Do not perform marking when
	optimizing for size or max_param for alias checking is zero.
	Move the function before vect_analyze_data_ref_dependence.
	(vect_analyze_data_ref_dependence): Add call to
	vect_mark_for_runtime_alias_test in two cases when dependence
	is not clear.
	(vect_analyze_data_ref_dependences): Do not call to
	(vect_prune_runtime_alias_test_list): New.
	(vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
	* tree-vect-transform.c (vect_estimate_min_profitable_iters):
	Update vec_outside_cost.
	(vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
	(vect_create_cond_for_alias_checks): Build the base address of data
	reference from DR_GROUP_FIRST_DR.
	(vect_loop_versioning): New.
	(vect_transform_loop): Add a call to vect_loop_versioning.
	Remove factored out code.

2007-09-16  John David Anglin  <>

	PR middle-end/33273
	* expr.c (store_expr): Call adjust_address to change mode of dest_mem
	to BLKmode.

2007-09-16  Richard Sandiford  <>

	* dse.c (find_shift_sequence): Allow word as well as subword shifts.
	Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
	Fix the call to insn_rtx_cost.  Skip access sizes that require a
	real truncation of the store register.  Use convert_move instead
	of gen_lowpart when narrowing the result.
	(replace_read): Use convert_move instead of gen_lowpart when
	narrowing the store rhs.

2007-09-16  Richard Sandiford  <>

	* config/mips/ (SHORT): Fix long line.
	(SUBDI): New mode iterator.  Extend the shift-and-truncate insns
	to QImode and HImode.

2007-09-16  Richard Sandiford  <>

	* config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.

2007-09-15  Zdenek Dvorak  <>

	* tree-parloops.c: New file.
	* tree-ssa-operands.h (free_stmt_operands): Declare.
	* tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
	* tree-pass.h (pass_parallelize_loops): Declare.
	* omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
	virtual operands.
	(build_omp_regions_1): Allow analysing just a single OMP region and
	its subregions.
	( build_omp_regions_root, omp_expand_local): New functions.
	(build_omp_regions): Add argument to build_omp_regions_1 call.
	* builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
	autoparallelization is run.
	* timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
	* tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
	pass_parallelize_loops): New.
	* common.opt (ftree-parallelize-loops): New.
	* tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
	parallelize_loops): Declare.
	(add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
	* (tree-parloops.o): Added.
	* tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
	New functions.
	(add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
	(add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
	one extra edge as well.
	(tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
	Use VEC_free to free doms vector.
	(move_block_to_fn): Update loop info. Remove phi nodes for virtual
	operands.  Recompute operand caches in the new function.
	(move_sese_region_to_fn): Update loop info.
	* passes.c (init_optimization_passes): Add pass_parallelize_loops.
	* tree-ssa-operands.c (free_stmt_operands): New function.

	* doc/passes.texi: Document autoparallelization.
	* doc/invoke.texi (-ftree-parallelize-loops): New option.

2007-09-15  John David Anglin  <>

	PR target/33062
	* pa.c (function_value): Use GET_MODE_BITSIZE instead of

2007-09-15  Dorit Nuzman  <>

	* tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if 
	the VEC is not NULL.
	(vectorizable_type_demotion, vectorizable_type_promotion): Check that 
	get_vectype_for_scalar_type succeeded.
	(vectorizable_conversion): Likewise.

2007-09-14  Jan Hubicka  <>

	* config/i386/ (*floatdi<mode>2_i387): Guard against

2007-09-14  Uros Bizjak  <>

	PR target/33438
	* config/i386/ (fmodxf3): Copy operands[2] to temporary
	register when operands[2] equals operands[1].
	(remainderxf3): Ditto.

2007-09-14  Sandra Loosemore  <>
	    Nigel Stephens  <>

	* doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
	* unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
	(_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to declaration.
	(_Unwind_ForcedUnwind): Likewise.
	(_Unwind_Resume): Likewise.
	(_Unwind_Resume_or_Rethrow): Likewise.
	(_Unwind_Backtrace): Likewise.
	(_Unwind_SjLj_RaiseException): Likewise.
	(_Unwind_SjLj_ForcedUnwind): Likewise.
	(_Unwind_SjLj_Resume): Likewise.
	(_Unwind_SjLj_Resume_or_Rethrow): Likewise.
	* (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
	to definition.
	(_Unwind_ForcedUnwind): Likewise.
	(_Unwind_Resume): Likewise.
	(_Unwind_Resume_or_Rethrow): Likewise.
	(_Unwind_Backtrace): Likewise.
	* unwind-compat.c (_Unwind_Backtrace): Likewise.
	(_Unwind_ForcedUnwind): Likewise.
	(_Unwind_RaiseException): Likewise.
	(_Unwind_Resume): Likewise.
	(_Unwind_Resume_or_Rethrow): Likewise.

	* config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
	nomips16 mode when IN_LIBGCC2 with hard float.

2007-09-14  Richard Sandiford  <>

	* config/mips/sdemtk.opt: Update to GPLv3.
	* config/mips/sdemtk.h: Likewise.

2007-09-14  Nigel Stephens  <>

	* config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
	MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
	for mipsisa32-*-linux*.

2007-09-14  Nigel Stephens  <>
	    David Ung  <>
	    Thiemo Seufer  <>
	    Richard Sandiford  <>

	* config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
	* Add a mipssde threading type.
	* configure: Regenerate.
	* config/mips/sdemtk.h: New file.
	* config/mips/t-sdemtk: Likewise.
	* config/mips/sdemtk.opt: Likewise.
	* gthr-mipssde.h: Likewise.
	* config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
	* config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
	(MIPS_ICACHE_SYNC): New macro, split from ...
	* config/mips/ (clear_cache):
	* config/mips/mips.c (mips_save_reg_p): Check
	MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
	(build_mips16_function_stub): Use targetm.strip_name_encoding.
	(build_mips16_call_stub): Likewise.

2007-09-14  Richard Sandiford  <>

	* (stmp-int-hdrs): Depend on fixinc_list.

2007-09-14  Jakub Jelinek  <>

	PR target/32337
	* config/ia64/ia64.c (find_gr_spill): Don't decrement
	current_frame_info.n_local_regs.  Don't return emitted local regs.
	(ia64_compute_frame_size): Improve unwind hack to put
	RP, PFS, FP in that order by allowing some of the registers
	been already emitted, as long as they are emitted to the
	desired register.

2007-09-14  Ulrich Weigand  <>

	* config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
	vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
	vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.

2007-09-13  Eric Christopher  <>
	    Kenneth Zadeck <>

	* dse.c (find_shift_sequence): New function.
	(replace_read): Add case to remove read if it requires shift.
	* config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
2007-09-13  Tom Tromey  <>

	* c-common.c (fname_as_string): Update.
	* c-parser.c (c_parser) <lex_untranslated_string>: New field.
	(c_lex_one_token): Update.  Add 'parser' argument.
	(c_parser_simple_asm_expr): Update.
	(c_parser_attributes): Update.
	(c_parser_asm_statement): Update.
	(c_parser_asm_operands): Update.
	(c_parser_peek_token): Update.
	(c_parser_peek_2nd_token): Update.
	* c-lex.c (c_lex_string_translate): Remove.
	(c_lex_return_raw_strings): Likewise.
	(c_lex_with_flags): Added 'lex_flags' argument.
	(lex_string): Added 'translate' argument.
	* c-pragma.h (c_lex_with_flags): Update.
	(c_lex_string_translate, c_lex_return_raw_strings): Remove.
	(C_LEX_RAW_STRINGS): Likewise.

2007-09-13  Bernd Schmidt  <>

	From Jie Zhang:
	* config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
	(bfin_init_builtins): Initialize __builtin_bfin_ones,
	__builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
	__builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
	__builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
	__builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
	__builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
	(bdesc_1arg): Add __builtin_bfin_ones.
	(bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
	__builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
	and __builtin_bfin_csqu_fr16.
	* config/bfin/ (UNSPEC_ONES): New constant.
	(ones): New define_insn.
	(ssaddhi3_parts): New define_insn.
	(sssubhi3_parts): New define_insn.
	(flag_mulhi_parts): New define_insn.

2007-09-13  Seongbae Park <>

	* common.opt (femit-class-debug-always): Turn off by default.

2007-09-13  Bernd Schmidt  <>

	* config/bfin/ (reload_outpdi, reload_inpdi): New patterns.
	* config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.

2007-09-13  James E. Wilson  <>

	PR tree-optimization/33389
	* tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
	then set build_loads before returning.

2007-09-13  Sandra Loosemore  <>
	    David Ung  <>

	* config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
	{d}addiu and a negative	immediate such that it works with MIPS16
2007-09-13  H.J. Lu  <>

	PR bootstrap/33418
	* (ld_vers): Support Linux linker.
	* configure: Regenerated.

2007-09-13  Richard Sandiford  <>
	    Sandra Loosemore <>

	* config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
	* config/mips/mips.c (mips_attribute_table): Turn mips16 and
	nomips16 into decl attributes.
	(mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
	(mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
	(mips_comp_type_attributes): Remove mips16 and nomips16 handling.
	(mips_use_mips16_mode_p): Reimplement as a function that takes
	a decl and considers only decl attributes.  If the decl is nested
	function, use its parent attributes.
	(mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
	instead of SYMBOL_REF_MIPS16_FUNC_P.
	(mips_set_mips16_mode): Move call to sorry here from old
	(mflip_mips16_entry): New structure.
	(mflip_mips16_htab): New variable.
	(mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
	(mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
	(mips_merge_decl_attributes): New function.
	(mips_set_current_function): Reinstate call to mips_set_mips16_mode.
	Use mips_use_mips16_mode_p.
	(mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
	(mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.

2007-09-13  Richard Sandiford  <>

	* c-parser.c (c_parser_struct_declaration): Check for a null return.

2007-09-13  Francois-Xavier Coudert  <>

	PR driver/33309
	* gcc.c (xputenv): Make argument const, and use CONST_CAST.

2007-09-12  Michael Meissner  <>
	    Dwarakanath Rajagopal  <>
	    Tony Linthicum  <>

	* tree.h (function_args_iterator): New type to iterate over
	function arguments.
	(FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
	function arguments providing a pointer to the argument.
	(FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
	function arguments providing the argument.
	(function_args_iter_init): Inline function to initialize
	(function_args_iter_cond_ptr): Inline function to return the next
	pointer to hold the argument.
	(function_args_iter_cond): Inline function to return the next
	(function_args_iter_cond_next): Advance the function args iterator.
	(stdarg_p): New function, return true if variable argument function.
	(prototype_p): New function, return true if function is prototyped.
	(function_args_count): New function, count the number of arguments
	of a function.

	* tree.c (stdarg_p): New function, return true if variable
	argument function.
	(prototype_p): New function, return true if function is prototyped.

	* config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
	(TARGET_ROUND): New macro for the round/ptest instructions which
	are shared between SSE4.1 and SSE5.
	(TARGET_FUSED_MADD): New macro for -mfused-madd swtich.

	* config/i386/i386.opt (-msse5): New switch for SSE5 support.
	(-mfused-madd): New switch to give users control over whether the
	compiler optimizes to use the multiply/add SSE5 instructions.

	* config/i386/i386.c (m_AMD_MULTIPLE): Rename from
	m_ATHLON_K8_AMDFAM10, and change all uses.
	(enum pta_flags): Add PTA_SSE5.
	(ix86_handle_option): Turn off 3dnow if -msse5.
	(override_options): Add SSE5 support.
	(print_operand): %Y prints comparison codes for SSE5 com/pcom
	(ix86_expand_sse_movcc): Add SSE5 support.
	(ix86_expand_sse5_unpack): New function to use pperm to unpack a
	vector type to the next largest size.
	(ix86_expand_sse5_pack): New function to use pperm to pack a
	vector type to the next smallest size.
	(IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
	(bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
	OPTION_MASK_ISA_ROUND for instructions that are shared between
	SSE4.1 and SSE5.
	(bdesc_2arg): Ditto.
	(bdesc_sse_3arg): Ditto.
	(enum multi_arg_type): New enum for describing the various SSE5
	intrinsic argument types.
	(bdesc_multi_arg): New table for SSE5 intrinsics.
	(ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
	(ix86_expand_multi_arg_builtin): New function for creating SSE5
	(ix86_expand_builtin): Add SSE5 intrinsic support.
	(ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
	operand instructions.
	(ix86_expand_sse5_multiple_memory): New function to split the
	second memory reference from SSE5 instructions.
	(type_has_variadic_args_p): Delete in favor of stdarg_p.
	(ix86_return_pops_args): Use stdarg_p to determine if the function
	has variable arguments.
	(ix86_setup_incoming_varargs): Ditto.
	(x86_this_parameter): Ditto.

	* config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
	(ix86_expand_sse5_pack): Ditto.
	(ix86_sse5_valid_op_p): Ditto.
	(ix86_expand_sse5_multiple_memory): Ditto.

	* config/i386/ (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
	constant for SSE5 support.
	(UNSPEC_FRCZ): Ditto.
	(PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
	(PCOM_TRUE): Ditto.
	(COM_FALSE_S): Ditto.
	(COM_FALSE_P): Ditto.
	(COM_TRUE_S): Ditto.
	(COM_TRUE_P): Ditto.
	(type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
	(unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
	(memory attribute): Ditto.
	(sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
	Use SSE4_1_ROUND_* constants instead of hard coded numbers.
	(rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
	(floor<mode>2): Ditto.
	(ceil<mode>2): Ditto.
	(btrunc<mode>2): Ditto.
	(nearbyintdf2): Ditto.
	(nearbyintsf2): Ditto.
	(sse_setccsf): Disable if SSE5.
	(sse_setccdf): Ditto.
	(sse5_setcc<mode>): New support for SSE5 conditional move.
	(sse5_pcmov_<mode>): Ditto.

	* config/i386/ (SSEMODE1248): New mode iterator for SSE5.
	(SSEMODEF4): Ditto.
	(SSEMODEF2P): Ditto.
	(ssemodesuffixf4): New mode attribute for SSE5.
	(ssemodesuffixf2s): Ditto.
	(ssemodesuffixf2c): Ditto.
	(sserotatemax): Ditto.
	(ssescalarmode): Ditto.
	(sse_maskcmpv4sf3): Disable if SSE5.
	(sse_maskcmpv2df3): Ditto.
	(sse_vmmaskcmpv4sf3): Ditto.
	(sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
	(sse5_vmfmadd<mode>4): Ditto.
	(sse5_fmsub<mode>4): Ditto.
	(sse5_vmfmsub<mode>4): Ditto.
	(sse5_fnmadd<mode>4): Ditto.
	(sse5_vmfnmadd<mode>4): Ditto.
	(sse5_fnmsub<mode>4): Ditto.
	(sse5_vmfnmsub<mode>4): Ditto.
	(sse5i_fmadd<mode>4): Ditto.
	(sse5i_fmsub<mode>4): Ditto.
	(sse5i_fnmadd<mode>4): Ditto.
	(sse5i_fnmsub<mode>4): Ditto.
	(sse5i_vmfmadd<mode>4): Ditto.
	(sse5i_vmfmsub<mode>4): Ditto.
	(sse5i_vmfnmadd<mode>4): Ditto.
	(sse5i_vmfnmsub<mode>4): Ditto.
	(mulv16qi3): Add SSE5 support.
	(mulv4si3): Ditto.
	(sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
	(sse2_mulv4si3): Disable if SSE5.
	(sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
	(sse4_1_roundps): Ditto.
	(sse4_1_roundsd): Ditto.
	(sse4_1_roundss): Ditto.
	(sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
	be generated.
	(sse_maskcmpsf3): Ditto.
	(sse_vmmaskcmpv4sf3): Ditto.
	(sse2_maskcmpv2df3): Ditto.
	(sse2_maskcmpdf3): Ditto.
	(sse2_vmmaskcmpv2df3): Ditto.
	(sse2_eq<mode>3): Ditto.
	(sse2_gt<mode>3): Ditto.
	(sse5_pcmov_<mode>): Add SSE5 support.
	(vec_unpacku_hi_v16qi): Ditto.
	(vec_unpacks_hi_v16qi): Ditto.
	(vec_unpacku_lo_v16qi): Ditto.
	(vec_unpacks_lo_v16qi): Ditto.
	(vec_unpacku_hi_v8hi): Ditto.
	(vec_unpacks_hi_v8hi): Ditto.
	(vec_unpacku_lo_v8hi): Ditto.
	(vec_unpacks_lo_v8hi): Ditto.
	(vec_unpacku_hi_v4si): Ditto.
	(vec_unpacks_hi_v4si): Ditto.
	(vec_unpacku_lo_v4si): Ditto.
	(vec_unpacks_lo_v4si): Ditto.
	(sse5_pmacsww): New SSE5 intrinsic insn.
	(sse5_pmacssww): Ditto.
	(sse5_pmacsdd): Ditto.
	(sse5_pmacssdd): Ditto.
	(sse5_pmacssdql): Ditto.
	(sse5_pmacssdqh): Ditto.
	(sse5_pmacsdqh): Ditto.
	(sse5_pmacsswd): Ditto.
	(sse5_pmacswd): Ditto.
	(sse5_pmadcsswd): Ditto.
	(sse5_pmadcswd): Ditto.
	(sse5_pcmov_<move>): Conditional move support on SSE5.
	(sse5_phaddbw): New SSE5 intrinsic insn.
	(sse5_phaddbd): Ditto.
	(sse5_phaddbq): Ditto.
	(sse5_phaddwd): Ditto.
	(sse5_phaddwq): Ditto.
	(sse5_phadddq): Ditto.
	(sse5_phaddubw): Ditto.
	(sse5_phaddubd): Ditto.
	(sse5_phaddubq): Ditto.
	(sse5_phadduwd): Ditto.
	(sse5_phadduwq): Ditto.
	(sse5_phaddudq): Ditto.
	(sse5_phsubbw): Ditto.
	(sse5_phsubwd): Ditto.
	(sse5_phsubdq): Ditto.
	(sse5_pperm): Ditto.
	(sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
	(sse5_pperm_zero_v16qi_v8hi): Ditto.
	(sse5_pperm_sign_v8hi_v4si): Ditto.
	(sse5_pperm_zero_v8hi_v4si): Ditto.
	(sse5_pperm_sign_v4si_v2di): Ditto.
	(sse5_pperm_sign_v4si_v2di): Ditto.
	(sse5_pperm_pack_v2di_v4si): Ditto.
	(sse5_pperm_pack_v4si_v8hi): Ditto.
	(sse5_pperm_pack_v8hi_v16qi): Ditto.
	(sse5_perm<mode>): New SSE5 intrinsic insn.
	(rotl<mode>3): Ditto.
	(sse5_rotl<mode>3): Ditto.
	(sse5_ashl<mode>3): Ditto.
	(sse5_lshl<mode>3): Ditto.
	(sse5_frcz<mode>2): Ditto.
	(sse5s_frcz<mode>2): Ditto.
	(sse5_cvtph2ps): Ditto.
	(sse5_cvtps2ph): Ditto.
	(sse5_vmmaskcmp<mode>3): Ditto.
	(sse5_com_tf<mode>3): Ditto.
	(sse5_maskcmp<mode>3): Ditto.
	(sse5_maskcmp_uns<mode>3): Ditto.
	(sse5_maskcmp_uns2<mode>3): Ditto.
	(sse5_pcom_tf<mode>3): Ditto.
	* config/i386/ (const_0_to_31_operand): New predicate
	to match 0..31.
	(sse5_comparison_float_operator): New predicate to match the
	comparison operators supported by the SSE5 com instruction.
	(ix86_comparison_int_operator): New predicate to match just the
	signed int comparisons.
	(ix86_comparison_uns_operator): New predicate to match just the
	unsigned int comparisons.

	* doc/invoke.texi (-msse5): Add documentation.
	(-mfused-madd): Ditto.

	* doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.

	* config.gcc (i[34567]86-*-*): Include bmmintrin.h and
	(x86_64-*-*): Ditto.

	* config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.

	* config/i386/bmmintrin.h: New file, provide common x86 compiler
	intrinisics for SSE5.

	* config/i386/smmintrin.h: Move instructions shared with SSE5 to

	* config/i386/mmintrin-common.h: New file, to contain common
	instructions between SSE4.1 and SSE5.

	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
	FOREACH_FUNCTION_ARGS to iterate over the argument list.
	(gen_regparm_prefix): Ditto.

	* config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
	FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
	prototype_p to determine if a function is prototyped.

2007-09-12  Janis Johnson  <>

	* config/dfp-bit.c (dfp_conversion_exception): New function.
	(DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
	(DFP_TO_INT): Ditto.
	(INT_TO_DFP): Ditto.
	* config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.

2007-09-12  Jakub Jelinek  <>

	PR target/32338
	* config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
	before sp restoration even when total_size is 0, but

2007-09-12  Bob Wilson  <>

	* config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
	(xtensa_copy_incoming_a7): Use start_sequence instead of
	push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
	(xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
	of the saveregs sequence.

2007-09-12  Richard Sandiford  <>

	* c-tree.h (grokfield): Add a "tree *" argument.
	* c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
	Chain nested decl attributes to it.  Don't call decl_attributes here.
	(groktypename): Pass grokdeclarator a pointer to the attribute list.
	(start_decl, grokparm, push_parm_decl, start_function): Likewise.
	(grokfield): Take a pointer to the decl's attributes and pass
	it to grokdeclarator.
	* c-parser.c (c_parser_struct_declaration): Update the calls to
	grokfield.  Call decl_attributes for anonymous struct and union

2007-09-12  Jan Hubicka  <>


2007-09-12  Ira Rosen  <>

	PR tree-optimization/32377
	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
	between positive and negative dependence distance using DDR_REVERSED_P.

2007-09-12  Dorit Nuzman  <>

	PR tree-optimization/33373
	* tree-vect-analyze (vect_determine_vectorization_factor): Call 

2007-09-12  Jan Hubicka  <>

	PR target/33393
	* config/i386/ (floatsisf2_mixed_memory, floatsisf2_sse_memory):
	Disable for !SSE_MATH

2007-09-12  Christian Bruel  <>

	* sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
	* linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. 
2007-09-12  Ira Rosen  <>

	* tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
	for oprnd1 if not required.
	(vectorizable_operation): Use scalar operand in SLP in case of 
	shift with scalar argument.

2007-09-12  Ira Rosen  <>

	* params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and
	minimum to 1.

2007-09-11  James E. Wilson  <>

	* defaults.h (DWARF2_UNWIND_INFO): Don't define if
	* config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
	after definition.

2007-09-12  Kaz Kojima  <>

	* config/sh/sh.c (calc_live_regs): Use
	current_function_saves_all_registers instead of
	(sh_allocate_initial_value): Likewise.
	(sh_get_pr_initial_val): Likewise.
	* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
	* config/sh/ (load_ra): Likewise.

2007-09-12  Hans-Peter Nilsson  <>

	* config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.

	PR target/33360
	* config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
	GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.

2007-09-12  Sa Liu  <>

	* config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
	operands to DFmode GE or LE compares.

2007-09-12  Bernd Schmidt  <>

	* config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
	(REGNO_REG_CLASS): Return it where appropriate.
	(CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
	* doc/md.texi (Blackfin family): Document 'q' constraints.

2007-09-11  Steve Kenton  <>

	* pa/linux-unwind.h: Guard with inhibit_libc.
	* pa/hpux-unwind.h: Likewise.

2007-09-11  David Daney  <>

	* doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
	* doc/install.texi: Document new --with-llsc and --without-llsc
	* config.gcc: Handle --with-llsc and --without-llsc configure options.
	* config/mips/ (sync, memory_barrier): Wrap sync instrunction
	in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
	(sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
	sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
	sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
	sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
	* config/mips/mips.opt (mllsc): New option.
	* config/mips/mips.c (mips_llsc): Define variable.
	(mips_handle_option): Handle mllsc option.
	(override_options): Set mips_print_operand_punct for '|' and '-'.
	(print_operand): Add new %| and %- operand codes.
	* config/mips/mips.h (mips_llsc_setting): New enum type.
	(mips_llsc): Declare.
	(OPTION_DEFAULT_SPECS): Add llsc handling.
	(GENERATE_SYNC): New macro.
	(GENERATE_LL_SC): New macro.
	in %| and %- operand codes.

2007-09-11  Eric Botcazou  <>

	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with

2007-09-11  Jason Merrill  <>

	PR middle-end/27945
	* stor-layout.c (layout_decl): Do pack variable size fields.	

2007-09-11  Maxim Kuvyrkov  <>

	* config/m68k/ (movsi_const0_operand,
	non_symbolic_call_operand): New predicates.

	* config/m68k/ (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
	New constraints.
	* doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
	Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
	CW, CZ, CS, Ap and Ac.

	* config/m68k/ (UNSPEC_IB): New constant.
	( New include.
	(cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
	opx_mem, opy_mem, op_mem, guess, split): New attributes.
	(movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
	Specify attributes.
	(pushdi): Add split.
	(tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
	attributes.  Split tstsi_internal_68020_cf from it.
	(tstsi_internal_68020_cf): New pattern.
	(tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
	(tst<mode>_cf): Specify attributea.
	(cmpsi_cf): Name pattern.  Specify attributes.
	(cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
	(pushexthisi_const): Fix to use alternatives.  Specify
	(movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
	from it.  Fix to use alternatives.  Specify attributes.
	(movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
	(movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
	(movsf_cf_soft): Specify attributes.
	(movdf_cf_soft): Add split.
	(pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
	cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
	68k_extendqisi2, truncdfsf2_cf): Specify attributes.
	(truncdfsf2_68881): Name pattern.  Specify attributes.
	(floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
	floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
	fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
	Specify attributes.
	(addsi3_5200): Fix to use alternatives.  Specify attributes.
	Add splits.
	(add<mode>3_cf, subdi_dishl32): Specify attributes.
	(subsi3): Add alternative for subq.l.  Specify attributes.
	(sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
	(mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
	(umulhisi3): Specify attributes.
	(mulhisisi3_z): Name pattern.  Specify attributes.
	(fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
	sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
	subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
	bsetmemqi): Specify attributes.
	(bsetmemqi_ext): Name pattern.  Specify attributes.
	(bclrmemqi): Specify attributes.
	(bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
	(beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
	(beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
	pattern.  Specify attributes.
	(jump): Specify attributes.
	(tablejump_internal): Name pattern.  Specify attributes.
	(call_value): Split into non_symbolic_call_value,
	symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
	alternatives.  Specify attributes.
	(non_symbolic_call_value, symbolic_call_value_jsr,
	symbolic_call_value_bsr): New patterns.
	(nop, return, unlink, indirect_jump): Specify attributes.
	(trap): Fix condition.  Specify attributes.
	(ib): New pattern.

	* config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
	(override_options): Initialize it.  Initialize m68k_sched_cpu.
	(CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
	(const_method): Make global, rename to m68k_const_method.
	(const_int_cost, output_move_const_into_data_reg): Update.
	(output_move_double): Parametrize to emit rtl code, rename to
	(output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
	emit_movsi): New static functions.
	(output_move_double): New function with semantics of old
	(m68k_emit_move_double): New function.
	(m68k_sched_cpu): New variable.
	(attr_op_type): New enum.
	(sched_guess_p): New variable.
	(sched_address_type, sched_operand_type, sched_attr_op_type):
	New static functions.
	(m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
	m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
	(sched_branch_type): New static variable.
	(m68k_sched_branch_type): New function.
	* config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
	(m68k_symbolic_call_var): Declare.
	(M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
	(m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
	m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
	m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):

2007-09-11  Jakub Jelinek  <>

	* builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
	* builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
	error if __builtin_va_arg_pack_len () wasn't optimized out during
	* tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
	with the number of inline's anonymous arguments.
	* doc/extend.texi: Document __builtin_va_arg_pack_len ().

2007-09-11  Zdenek Dvorak  <>

	* fold-const.c (extract_muldiv_1): Do not simplify var * c * c to var.

2007-09-11  Jan Hubicka <>

	* config/i386/i386.h (ix86_tune_indices): Add
	* config/i386/ (floatsi expanders): Remove redundant check
	for SImode source; offload to memory when asked for.
	(floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
	floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
	Update conditions;
	(floatsisf2_mixed_memory, floatsisf2_sse_memory,
	floatsidf2_mixed_memory, floatsidf2_sse_memory
	floatdisf2_mixed_memory, floatsisf2_sse_memory,
	floatsidf2_mixed_memory, floatsidf2_sse_memory): New.

2007-09-11  Jan Hubicka <>

	* toplev.c (process_options): all frontends now do unit-at-a-time.
	* cgraphunit.c: update comments.
	(cgraph_expand_function): call passmanager dirrectly; emit thunks.
	* c-decl.c (finish_function): use cgraph_add_new_function.
	* function.c (expand_function_end): We are always unit-at-a-time.

2007-09-11  Richard Sandiford  <>

	* config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
	settings for MIPS16.
	(mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.

2007-09-11  Richard Sandiford  <>

	* config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
	(mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
	(mips16_rewrite_pool_refs_info): New structure.
	(mips16_rewrite_pool_constant): New function, split out from...
	(mips16_rewrite_pool_refs):  Take a pointer to a
	mips16_rewrite_pool_refs_info structure rather than a pointer
	to a constant pool.  Force force_to_mem_operands into memory.
	(mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
	* config/mips/ (force_to_mem_operand): New predicate.
	* config/mips/ (kf): New constraint.
	* config/mips/ (*movdi_64bit_mips16): Add a d <- kf alternative.
	(*movsi_mips16): Likewise.

2007-09-11  Richard Sandiford  <>
	    Nigel Stephens  <>
	    David Ung  <>

	* config/mips/mips.h (CONSTANT_POOL_COST): Move to...
	* config/mips/mips.c: and set to 4 for TARGET_MIPS16.
	(mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
	(mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
	(mips_zero_extend_cost): New functions.
	(mips_rtx_costs): Treat COMPARE constants as having zero cost.
	Use the new functions.  Tweak many cost estimates, both here
	and in the new subroutines.  Return false when the cost of the
	operands has not been calculated.  Check for *clear_upper32.
	Check for floating-point multiply-add, reciprocal and rsqrt
	patterns.  Handle comparison and rotation codes.

2007-09-11  Danny Smith  <>

	* config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
	override default.
	* config/i386/i386.c (get_dllimport_decl): Don't strip

2007-09-10  Janis Johnson  <>

	PR c/30013
	* config/dfp-bit.c: Don't skip TFmode conversions; move strto*
	declarations to top.
	(DFP_TO_BFP): Use for either XFmode or TFmode.
	(BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
	* config/dfp-bit.h: Include float.h.
	double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
	which doesn't mean the same thing.
	(BFP_KIND): Use 4 to mean TFmode.
	(BFP_FMT): Specify the number of decimal digits based on the
	number of mantissa digits.
	(BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
	(BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
	(STR_TO_BFP): Use strtold for XFmode or TFmode.
	(TFtype): Define if TFmode is supported.
	* doc/libgcc.texi (Decimal float library routines): Document
	TF conversion functions.

2007-09-10  Chao-ying Fu  <>

	* config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
	(mips_emit_compare): Process fixed-point modes.
	(mips_pad_arg_upward): Support fixed-point types.
	(override_options): Allow fixed-point modes in accumulators.
	(mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
	(mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
	V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
	(mips_scalar_mode_supported_p): New function to accept fixed-point
	modes if the width is not greater than two BITS_PER_WORD.
	* config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
	* config/mips/ ("d"): Update mode attribute for fixed-point
	("IMODE"): New mode attribute.
	( Include.
	* config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
	* config/mips/ New file.

2007-09-11  Ben Elliston  <>

	* config/spu/ Formatting fixes.

2007-09-10  Janis Johnson  <>

	* config/dfp-bit.c (dfp_unary_func): Delete.
	(dfp_unary_op): Delete.
	(dfp_binary_op): Use decFloat functions instead of decNumber
	functions for binary operations.
	(d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
	(dnn_binary_op): Call dfp_binary_op with decFloat rather than
	(dfp_compare_op): Use decFloat functions insteadof decNumber
	functions for comparisons.
	(d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
	(dnn_binary_op): Call dfp_compare_op with decFloat rather than
	call to dxx_binary_op and decFloat function.
	(DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
	calls to dxx_binary_op and decFloat function.
	* config/dfp-bit.h: Include decFloat header files.
	DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.

2007-09-10  Harsha Jagasia <>
	    Jan Sjodin <>

	* tree-vect-analyze.c (vect_analyze_operations): Change
	comparison of loop iterations with threshold to less than
	or equal to instead of less than. Reduce
	min_scalar_loop_bound by one.
	* tree-vect-transform.c (vect_estimate_min_profitable_iters): 
	Change prologue and epilogue iterations estimate to vf/2,
	when unknown at compile-time. Change versioning guard
	cost to taken_branch_cost. If peeling for alignment is
	unknown at compile-time, change peel guard costs to one
	taken branch and one not-taken branch per peeled loop.
	If peeling for alignment is known but number of scalar loop
	iterations is unknown at compile-time, change peel guard
	costs to one taken branch per peeled loop. Change the cost
	model equation to consider vector iterations as the loop
	iterations less the prologue and epilogue iterations.
	Change outside vector cost check to less than or equal to
	zero instead of equal to zero.
	(vect_do_peeling_for_loop_bound): Reduce
	min_scalar_loop_bound by one.
	* tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
	* config/i386/i386.h (processor_costs): Add
	scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
	vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
	vec_align_load_cost, vect_unalign_load_cost,
	vec_store_cost, cond_taken_branch_cost,
	Define macros for x86 costs.
	* config/i386/i386.c:
	(size_cost): Set scalar_stmt_cost, scalar_load_cost,
	scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
	scalar_to_vec_cost, vec_align_load_cost, 
	vect_unalign_load_cost, vec_store_cost,
	cond_taken_branch_cost, cond_not_taken_branch_cost to one. 
	(i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
	geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, 
	core2_cost, generic64_cost, generic32_cost): Set to default
	untuned costs.
	(k8_cost, amdfam10_cost): Costs for vectorization tuned.
	(x86_builtin_vectorization_cost): New.

2007-09-10  Janis Johnson  <>
	    Ben Elliston  <>

	* dfp.c: Include decimal128Local.h; 
	(dfp_byte_swap): Remove.
	(encode_decimal32, decode_decimal32): Don't handle endianness.
	(encode_decimal64, decode_decimal64): Ditto.
	(encode_decimal128, decode_decimal128): Ditto.
	* config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
	(__swap64): Remove.
	(host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
	(__swap128): Remove
	(host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
	* (DECNUM_H): Add decimal128Local.h.

2007-09-10  David Daney  <>

	* config/mips/ (UNSPEC_MEMORY_BARRIER): New entry in
	(memory_barrier): Rewrote as an insn that clobbers memory.

2007-09-10  Richard Sandiford  <>

	* config/mips/mips.c (mips_global_pointer): Check
	call_really_used_regs instead of call_used_regs.
	(mips_save_reg_p): Likewise.  Save all call-saved registers
	if current_function_saves_all_registers.  Fix indentation.
	No longer treat $18 as a special case.
	(compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.

2007-09-10  Richard Sandiford  <>

	* config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
	* config/mips/mips.c (mips_cpu_info_table): Mention it in the
	the introductory comment.
	(override_options): Don't test for it.
	* config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
	* config/mips/vr.h: As for config/mips/sde.h.

2007-09-10  Trevor Smigiel  <>
	    Revital Eres  <>

	* target.h (struct gcc_target.sched): New field: sms_res_mii.
	(struct ddg): Define.
	* target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
	* config/spu/spu.c: Include ddg.h.
	(spu_sms_res_mii): New function to calculate mii.
	* modulo-sched (res_MII): Use it.
	* doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.

2007-09-10  Andreas Krebbel  <>

	* config/s390/s390.c (s390_dump_pool): Create copy of constant
	pool entries since they might hold values that must not be shared.

2007-09-10 Robert Kidd <>

	* bb-reorder.c (rest_of_handler_reorder_blocks): Removed call to
	RTL level tracer pass.
	* passes.c (init_optimization_passes): Move pass_tracer from
	after pass_rtl_ifcvt to after pass_dce.
	* tracer.c: Update copyright.
	(layout_superblocks): Remove function.
	(mark_bb_seen): New.
	(bb_seen_p): New.
	(count_insns): Change to estimate instructions in a Tree-SSA
	(find_trace): Use bb_seen_p.
	(tail_duplicate): Use bb_seen_p.  Call add_phi_args_after_copy
	after duplicate_block.
	(tracer): Change prototype to match that of a pass execute
	(gate_tracer): Rename from gate_handle_tracer.
	(rest_of_handle_tracer): Remove function.
	* rtl.h: Remove prototype for tracer.
	* testsuite/gcc.dg/tree-prof/tracer-1.c: New.

2007-09-10  Uros Bizjak  <>

	PR target/33369
	* config/i386/ (ashr<mode>3): Change op2 mode to SImode.
	Use 'N' operand constraint for op2.
	(lshr<mode>3): Ditto.
	(ashl<mode>3): Ditto.
	(vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
	(vec_shr_<mode>): Ditto.
	* config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
	IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.

2007-09-10  Andreas Krebbel  <>

	* config/s390/ ("fixuns_trunc<BFP:mode><GPR:mode>2"):
	Change mode macro in the last real_2expN parameter to uppercase.

2007-09-10  Michael Matz  <>

	* tree-pass.h (pass_cselim): Declare new pass.
	* passes.c (init_optimization_passes): Link in pass_cselim.
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
	tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
	(condstoretemp): New static variable.
	(cond_store_replacement): New function.
	(tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
	(struct name_to_bb): New.
	(get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
	nt_init_block, nt_fini_block): New static functions.
	(seen_ssa_names, nontrap_set): New static variables.
	(gate_cselim, pass_cselim): Define new pass.
	* common.opt (ftree-cselim): New flag.
	* toplev.c (process_options): Set flag_tree_cselim if required.

2007-09-10  Hans-Peter Nilsson  <>

	* simplify-rtx.c (simplify_relational_operation_1): For recent
	canonicalization, don't recurse if op1 equals both PLUS arguments.

2007-09-09  David Daney  <>

	* optabs.c (expand_sync_operation):  Use plus insn if minus
	(expand_sync_fetch_operation):  Ditto.

2007-09-09  H.J. Lu  <>

	* config/i386/ (*floatsisf2_mixed_vector): Use cvtdq2ps instead
	of cvtpq2ps.
	(*floatsisf2_sse_vector): Likewise.

2007-09-09  Krister Walfridsson  <>

	* config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.

2007-09-09  H.J. Lu  <>

	* config/i386/i386.h (ix86_tune_indices): Rename
	* config/i386/i386.c: Likewise.

2007-09-09  Sandra Loosemore  <>
	    Nigel Stephens <>

	* doc/invoke.texi (Overall Options):  Add .sx file extension
	as a synonym for .S.
	* cppspec.c (known_suffixes): Likewise.
	* gcc.c (default_compilers): Likewise.

2007-09-09  Rask Ingemann Lambertsen  <>

	PR target/30315
	* config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
	* simplify-rtx.c (simplify_relational_operation_1): Add the
	canonicalization from i386.h.
	* doc/md.texi (Canonicalization of Instructions): Document it.

2007-09-09  Jan Hubicka  <>
	    Dwarakanath Rajagopal <>

	* config/i386/i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
	* config/i386/ New post-reload splitters for converting
	SF to DF and DF to SF.
	(floatsi* expander): Special case vector conversions.
	(floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
	floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
	floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
	(floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
	Disable when doing vector converts.
	(floatsi<mode>2_i387): Disable when
	* config/i386/ (vec_dupv2df): Export.
	* config/i386/i386.c (ix86_tune_features): Enable SSE conversions.

2007-09-09  Richard Guenther  <>

	* tree-ssa-operands.c (add_virtual_operand): Only mark
	stores as has_volatile_ops if alias information is not available.

2007-09-09  Revital Eres  <>

	* doc/contrib.texi: Add myself.

2007-09-09  Ira Rosen  <>

	* tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
	stmt_vinfo_set_outside_of_loop_cost): New functions.
	* tree-vect-transform.c (vect_get_cost_fields): Remove.
	(vect_model_simple_cost): Call
	stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
	field instead of calling vect_get_cost_fields.
	(vect_model_store_cost, vect_model_load_cost): Likewise.

2007-09-09  Revital Eres  <>

	* config/rs6000/rs6000.c (paired_init_builtins): Add const
	declaration to bdesc_paired_preds variable.
	(paired_expand_builtin): Likewise.

2007-09-09  Revital Eres  <>

	* dbgcnt.def (sms_sched_loop): New counter.
	* modulo-sched.c: Use sms_sched_loop instead of
	MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
	perform swing modulo scheduling on.  Include dbgcnt.h.
	* Add DBGCNT_H to modulo-sched.o.
	* params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.

2007-09-09  Uros Bizjak  <>

	* config/i386/ (X87MODEF12, SSEMODEF): Remove mode iterators.
	Substitute all uses with ...
	(MODEF): New mode iterator.

	(fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
	from pre-regalloc define_insn_and_split splitter pattern.
	(*fix_trunc<mode>_i387_1): Ditto.
	(*fistdi2_1): Ditto.
	(*fist<mode>2_1): Ditto.
	(frndintxf2_floor): Ditto.
	(*fist<mode>2_floor_1): Ditto.
	(frndintxf2_ceil): Ditto.
	(*fist<mode>2_ceil_1): Ditto.
	(frndintxf2_trunc): Ditto.
	(frndintxf2_mask_pm): Ditto.

	(prologue): Use (const_int 0) as never generated filler insn.
	(epilogue): Ditto.
	(sibcall_epilogue): Ditto.
	(eh_return_si): Ditto.
	(eh_return_di): Ditto.

	(add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
	using MODEF mode iterator.
	(sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
	using MODEF mode iterator.
	(mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
	using MODEF mode iterator.
	(nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
	Macroize expander using MODEF mode iterator.

	(zero_extendsidi2): Remove operand constraints from expander.
	(smuldi3_highpart): Ditto.
	(indirect_jump): Ditto.
	(tablejump): Ditto.
	(rsqrtsf2): Ditto.
	* config/i386/ (storentv4sf): Ditto.
	(storentv2df): Ditto.
	(storentv2di): Ditto.
	(storentsi): Ditto.
	(sse2_cvtpd2ps): Ditto.
	(vec_interleave_highv16qi): Ditto.
	(vec_interleave_lowv16qi): Ditto.
	(vec_interleave_highv8hi): Ditto.
	(vec_interleave_lowv8hi): Ditto.
	(vec_interleave_highv4si): Ditto.
	(vec_interleave_lowv4si): Ditto.
	(vec_interleave_highv2di): Ditto.
	(vec_interleave_lowv2di): Ditto.
	(sse2_maskmovdqu): Ditto.
	* config/i386/ (mmx_maskmovq): Ditto.

2007-09-09  Ira Rosen  <>

	* tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
	(struct _slp_tree, struct _slp_instance): Define new data structures
	along macros for their access.
	(struct _loop_vec_info): Define new fields: strided_stores,
	slp_instances, and slp_unrolling_factor along macros for their access.
	(enum slp_vect_type): New.
	(struct _stmt_vec_info): Define new field, slp_type, and macros for
	its access.
	(vect_free_slp_tree): Declare.
	(vectorizable_load): Add an argument of type slp_tree.
	(vectorizable_store, vectorizable_operation, vectorizable_conversion,
	vectorizable_assignment): Likewise.
	(vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
	Declare (make extern).
	* tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
	(new_loop_vec_info): Likewise.
	(destroy_loop_vec_info): Free memory allocated for SLP structures.
	* tree-vect-analyze.c: Include recog.h.
	(vect_update_slp_costs_according_to_vf): New.
	(vect_analyze_operations): Add argument for calls to vectorizable_ ()
	functions. For not pure SLP stmts with strided access check that the
	group size is power of 2. Update the vectorization factor according to
	SLP. Call vect_update_slp_costs_according_to_vf.
	(vect_analyze_group_access): New.
	(vect_analyze_data_ref_access): Call vect_analyze_group_access.
	(vect_free_slp_tree): New functions.
	(vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
	vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
	vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
	vect_detect_hybrid_slp): Likewise.
	(vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
	and vect_detect_hybrid_slp.
	* tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
	SLP costs into account.
	(vect_get_cost_fields): New function.
	(vect_model_simple_cost): Make extern, add SLP parameter and handle
	(vect_model_store_cost, vect_model_load_cost): Likewise.
	(vect_get_constant_vectors): New function.
	(vect_get_slp_vect_defs, vect_get_slp_defs,
	vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
	vect_get_vec_defs): Likewise.
	(vectorizable_reduction): Don't handle SLP for now.
	(vectorizable_call): Don't handle SLP for now. Add argument to
	(vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
	get SLPed and vectorized defs). Fix indentation and spacing.
	(vectorizable_assignment): Handle SLP.
	(vectorizable_induction): Don't handle SLP for now.
	(vectorizable_operation): Likewise.
	(vectorizable_type_demotion): Add argument to
	(vectorizable_type_promotion): Likewise.
	(vectorizable_store, vectorizable_load): Handle SLP.
	(vectorizable_condition): Don't handle SLP for now.
	(vect_transform_stmt): Add a new argument for SLP. Check that there is
	no SLP transformation required for unsupported cases. Add SLP
	argument for supported cases.
	(vect_remove_stores): New function.
	(vect_schedule_slp_instance, vect_schedule_slp): Likewise.
	(vect_transform_loop): Schedule SLP instances.
	* (tree-vect-analyze.o): Depend on recog.h.

2007-09-09  Andrew Haley  <>

	* optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
	signed optab.

2007-09-09  Hans-Peter Nilsson  <>

	* doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
	Similar for what label_refs can go in the JUMP_TARGET field.  Split
	* reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
	REG_LABEL when replacing an operand with a LABEL_REF for a
	non-jump insn.
	(subst_reloads): When replacing a LABEL_REG with a register,
	instead of generating a REG_LABEL note, assert that there already
	is one or that the label is a known target for the insn.
	* rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
	note, check the JUMP_LABEL field.  Remove "else" after return.
	* reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
	(fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
	REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
	insns.  Iterate over all notes; don't assume there's only one.
	* cse.c (recorded_label_ref): Adjust comment to refer to
	(cse_extended_basic_block): Do LABEL_REF check for all INSN_P
	insns, not just NONJUMP_INSN_P.
	(check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
	isn't a jump target.
	* jump.c (rebuild_jump_labels): Adjust head comment.
	(init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
	don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
	(mark_all_labels): For JUMP_P insns without a target, check if the
	the target is noted on the previous nonjump insn.
	(mark_jump_label_1): New function, guts from mark_jump_label.
	<case IF_THEN_ELSE>: Handle first operand as a non-target when
	marking jump target labels.
	<case LABEL_REF>: Adjust for whether to generate a
	For 'E' format rtl, iterate in descending element order.
	(delete_related_insns): Handle both REG_LABEL_TARGET and
	REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
	reference count, delete and fallthrough.  Move finding-next-
	non-deleted insn last in the function.  Look at all INSN_P insns
	(redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
	* print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
	JUMP_LABEL, output the INSN_UID of it.
	* gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
	(add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
	with jump.c copy by only adding notes for labels actually
	referenced in the insn.
	* emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
	usage count increment; handle all INSN_P trial insns.
	(emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
	* rtl.h (struct rtx_def) <volatil>: Adjust to mention
	* combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
	JUMP_P insns and REG_LABEL_OPERAND everywhere.
	* sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
	on all INSN_P insns.
	* reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
	* cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
	* reload1.c (calculate_needs_all_insns): Adjust comments.
	(set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
	* config/alpha/ (split for load of an address into a
	four-insn sequence on Unicos/Mk): Adjust to use
	* config/sh/ (sh_reorg, final_prescan_insn): Ditto.

2007-09-09  Laurynas Biveinis  <>

	2007-09-05  Laurynas Biveinis  <>
	* regrename.c (copyprop_hardreg_forward_1): New variable next. Use
	FOR_BB_INSNS_SAFE instead of for loop.
	* cse.c (cse_extended_basic_block): Likewise.
	* postreload.c (reload_cse_regs_1): New variable next. Make sure
	that the for loop does not invoke NEXT_INSN on a deleted insn.
	* function.c (instantiate_virtual_regs): Likewise.
	* lower-subreg.c (remove_retval_note): Likewise.
	(decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
	* emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
	a deleted insn.
	* cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
	insn, if it's a jump.
	(try_redirect_by_replacing_jump): New variable jump_p. Call
	tablejump_p before delete_insn_chain.
	* reload1.c (reload): New variable next. Make sure that the for
	loop does not invoke NEXT_INSN on a deleted insn.
	(fixup_eh_region_note): Make the loop terminate if i becomes NULL.
	(delete_output_reload): New variable prev. Make sure the the for
	loops do not invoke PREV_INSN on a deleted insn.

2007-09-08  John David Anglin  <>

	* pa/ Remove 'X' from unused letters comment.

2007-09-08  Richard Guenther  <>

	* tree-tailcall.c (find_tail_calls): If we don't have aliases
	computed check stmt_ann->references_memory instead of counting
	virtual operands.
2007-09-08  Segher Boessenkool  <>

	* cse.c (fold_rtx): Use validate_unshare_change() instead of
	validate_change() in one more case.

2007-09-08  Zdenek Dvorak  <>

	PR tree-optimization/32283
	* tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
	(determine_use_iv_cost_condition): Decrease cost of expressions
	used in iv elimination.

2007-09-08  Richard Guenther  <>

	* tree-cfg.c (verify_gimple_expr): Avoid building new
	pointer types, use TYPE_POINTER_TO if available instead.

2007-09-08  Uros Bizjak  <>

	PR target/33329
	PR rtl-optimization/26449
	* config/i386/ (mulv4si3): Do not expand sse2 sequence.
	(*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
	split1 pass.
	(mulv16qi3): Implement as define_insn_and_split pattern instead of
	define_expand.  Split insn in split1 pass.
	(mulv2di3): Ditto.

2007-09-08  Dorit Nuzman  <>

	PR tree-optimization/33301
	* tree-vect-analyze (analyze_operations): Look at the type of the rhs
	when relevant.

2007-09-07  Zdenek Dvorak  <>

	PR tree-optimization/32183
	* (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).

	* tree-ssa-reassoc.c: Include cfgloop.h.
	(is_reassociable_op): Add a loop argument and return true only
	for inside loop.
	(linearize_expr): Updated.
	(should_break_up_subtract): Likewise.
	(linearize_expr_tree): Likewise.
	(init_reassoc): Call loop_optimizer_init with
	AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
	(fini_reassoc): Call loop_optimizer_finalize.

2007-09-07  Sterling Augustine  <>

	* config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
	if there is no i-cache.

2007-09-07  Richard Guenther  <>

	2007-09-06  Richard Guenther  <>

	PR tree-optimization/32586
	* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
	folding if nothing changed.
	(simplify_unary_expression): New function.  Do tree combining
	on conversion like codes.
	(try_to_simplify): Call it.

2007-09-07  John David Anglin  <>

	PR target/33286
	* gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
	(__gthread_active,__gthread_start, __gthread_active_init): New.
	* gthr-posix95.h: Likewise.

2007-09-07  Roman Zippel <>

	* function.h (struct function): Rename calls_unwind_init
	to saves_all_registers.
	(current_function_saves_all_registers): Renamed from
	* reload1.c (reload): Set current_function_saves_all_registers.
	* except.c (expand_builtin_unwind_init): Likewise.
	* config/m68k/m68k.c (m68k_save_reg): Use
	current_function_saves_all_registers to save pic register.

2007-09-07  Janis Johnson  <>

	config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
	config/s390/ (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.

	Reapply reverted changes:

 	2007-09-06  Jan Hubicka  <>
	* config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
	of real_2expN.

	2007-09-06  Richard Sandiford  <>

	* config/mips/ (fixuns_truncdfsi2, fixuns_truncdfdi2)
	(fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.

	2007-09-05  Janis Johnson  <>

	* optabs.c (expand_float): Convert unsigned integer as signed only
	if it provides sufficient accuracy; add mode argument to real_2expN.
	(expand_fix): Fix comment typos; extend binary float into mode
	wider than destination for converion to unsigned integer; add mode
	argument to real_2expN.
	* real.c (real_2expN): Add mode argument to special-case decimal
	float values.
	* real.h (real_2expN): Ditto.
	* fixed-value.c (check_real_for_fixed_mode): Add mode argument to
	(fixed_from_string): Ditto.
	(fixed_to_decimal): Ditto.
	(fixed_convert_from_real): Ditto.
	(real_convert_from_fixed): Ditto.
	* config/rs6000/ (FP): Include DD and TD modes.
	* config/rs6000/ (extendddtd2, adddd3, addtd3, subdd3, subtd3,
	muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
	floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.

2007-09-07  Diego Novillo  <>

	* tree-flow.h (const_block_stmt_iterator): Remove.
	Update all users to use block_stmt_iterator.
	* tree-iterator.h (const_tree_stmt_iterator): Remove.
	Update all users to use tree_stmt_iterator.

2007-09-07  Sandra Loosemore  <>

	* config/mips/mips.c (mips_set_current_function): Temporarily
	make this a no-op to fix bootstrap errors, pending rewrite.

2007-09-07  Jan Hubicka  <>

	* reorg.c (dbr_schedule): Move code removing placeholder USEs later
	in the pass.

2007-09-07  Dorit Nuzman  <>

	PR tree-optimization/33299
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Update
	uses for all relevant loop-exit phis, not just the first.

2007-09-07  Richard Guenther  <>

	PR middle-end/33330
	* tree-ssa-operands.c (access_can_touch_variable): An access
	of the form (*p)[0] can touch a variable of same size.

2007-09-07  Jan Hubicka  <>

	* passes.c (init_optimization_passes): Add simple dce and addressable
	* tree-ssa.c (execute_update_addresses_taken): New function.
	(pass_update_address_taken): New.
	* tree-ssa-dse.c (execute_simple_dse): New function.
	(pass_simple_dse): New.
	* tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.

2007-09-07  Tobias Burnus  <>

	PR middle-end/33321
	* doc/invoke.texi: Fix -Wstrict-overflow= table.

2007-09-07  Richard Guenther  <>

	2007-09-06  Richard Guenther  <>

	PR tree-optimization/32586
	* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
	folding if nothing changed.
	(simplify_unary_expression): New function.  Do tree combining
	on conversion like codes.
	(try_to_simplify): Call it.

2007-09-07  Richard Guenther  <>
	    Uros Bizjak  <>

	PR tree-optimization/32821
	* tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
	NULL in the call to set_bb_stmt_list.

2007-09-07  Richard Sandiford  <>

	* config/mips/mips.c (build_mips16_call_stub): Emit all direct
	float calls here, rather than leaving some to the caller.
	Use call_internal_direct and call_value_internal_direct.
	* config/mips/ (call_internal_direct): New pattern.
	(call_value_internal_direct): Likewise.

2007-09-07  Richard Sandiford  <>

	* config/mips/mips.c (mips_base_move_loop_invariants): New variable.
	(mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
	to 0 for MIPS16.
	(override_options): Set mips_base_move_loop_invariants.

2007-09-07  Richard Sandiford  <>

	* config/mips/mips.opt (mcode-readable=): Move to keep list

2007-09-07  Richard Sandiford  <>

	* doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
	and -mgpopt options.  Adjust the -G documentation to match.
	* config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
	* config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
	function, split out from mips_classify_symbol.  Return false for
	(mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
	Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
	(override_options): Check whether the -mgpopt setting is consistent
	with the other flags.
	(symbolic_expression_p): Delete.
	(mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
	and default_elf_select_rtx_section.
	(mips_in_small_data_p): Honor section attributes for MIPS16 too.
	Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
	external data and TARGET_EXTERN_SDATA.

2007-09-07  Tobias Burnus  <>

	PR fortran/33303
	* doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.

2007-09-05  Laurynas Biveinis  <>

	* regrename.c (copyprop_hardreg_forward_1): New variable next. Use
	FOR_BB_INSNS_SAFE instead of for loop.
	* cse.c (cse_extended_basic_block): Likewise.
	* postreload.c (reload_cse_regs_1): New variable next. Make sure
	that the for loop does not invoke NEXT_INSN on a deleted insn.
	* function.c (instantiate_virtual_regs): Likewise.
	* lower-subreg.c (remove_retval_note): Likewise.
	(decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
	* emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
	a deleted insn.
	* cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
	insn, if it's a jump.
	(try_redirect_by_replacing_jump): New variable jump_p. Call
	tablejump_p before delete_insn_chain.
	* reload1.c (reload): New variable next. Make sure that the for
	loop does not invoke NEXT_INSN on a deleted insn.
	(fixup_eh_region_note): Make the loop terminate if i becomes NULL.
	(delete_output_reload): New variable prev. Make sure the the for
	loops do not invoke PREV_INSN on a deleted insn.

2007-09-06  Zdenek Dvorak  <>

	* cgraphbuild.c (rebuild_cgraph_edges): Export.
	* cgraph.h (rebuild_cgraph_edges): Declare.
	* tree-pass.h (pass_expand_omp_ssa): New.
	* omp-low.c (find_omp_clause): Export.
	(copy_var_decl): Split from omp_copy_decl_2.
	(build_omp_barrier): Return the call to emit instead of emitting
	it directly.
	(lower_rec_input_clauses, expand_omp_single): Gimplify the result of
	(extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
	expand_omp_for_generic, expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
	Adapted to work on SSA form.
	(execute_expand_omp): Do not invalidate dominance information.
	(gate_expand_omp): Do not run with -fopenmp-ssa flag.
	(gate_expand_omp_ssa, pass_expand_omp_ssa): New.
	* gimplify.c (gimplify_omp_for): Ensure that the control variable is
	a gimple_reg.
	(force_gimple_operand): Allow gimplifying code expressions without
	* tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
	* common.opt (fopenmp-ssa): New.
	* tree-flow.h (find_omp_clause, copy_var_decl): Declare.
	* (tree-cfg.o): Add TREE_INLINE_H dependency.
	* tree-cfg.c: Include tree-inline.h.
	(struct move_stmt_d): Replace vars_to_remove by vars_map field.
	(replace_by_duplicate_decl, replace_ssa_name,
	mark_virtual_ops_in_region): New functions.
	(move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
	to work on SSA form.
	* passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
	* tree-ssa-operands.c (get_expr_operands): Handle operands of OMP

2007-09-06  Laurynas Biveinis  <>

	* tree-loop-linear.c: Include obstack.h.
	(linear_transform_loops): New obstack lambda_obstack.
	Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
	lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
	and free afterwards.
	* lambda.h (struct obstack): New forward declaration.
	(lambda_linear_expression_new): New parameter of type struct
	obstack *.
	(lambda_loopnest_new): Likewise.
	(lambda_loopnest_transform): Likewise.
	(lambda_body_vector_new): Likewise.
	(lambda_body_vector_compute_new): Likewise.
	(gcc_loopnest_to_lambda_loopnest): Likewise.
	(lambda_loopnest_to_gcc_loopnest): Likewise.
	* lambda-code.c: Include obstack.h.
	(lambda_lattice_new): New parameter lambda_obstack.  Use it for
	allocation of ret.
	(lambda_body_vector_new): Likewise.
	(lambda_linear_expression_new): Likewise.
	(lambda_lattice_new): Likewise.
	(lambda_loopnest_new): Likewise.  Additionally use obstack to
	allocate LN_LOOPS(ret).
	(lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
	it to lambda_lattice_new.
	(lambda_body_vector_compute_new): New parameter lambda_obstack.
	Pass it to lambda_body_vector_new.
	(lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
	it to lambda_lattice_new.
	(compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
	Pass it to lambda_loopnest_new, lambda_linear_expression_new.
	(lambda_compute_target_space): Likewise.
	(lambda_compute_auxillary_space): New parameter lambda_obstack.
	Pass it to lambda_lattice_compute_base and
	(lambda_loopnest_transform): New parameter lambda_obstack.  Pass
	it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
	and lambda_lattice_compute_target_space.
	(gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
	Pass it to lambda_linear_expression_new.
	(gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
	to gcc_tree_to_linear_expression.
	(gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
	Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
	(lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
	Pass it to lambda_body_vector_new and
	* (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
	(lambda-code.o): Likewise.

2007-09-06  Chao-ying Fu  <>

	* ginclude/stdfix.h: New file.
	* (USER_H): Add $(srcdir)/ginclude/stdfix.h.
	(convert.o): Add dependence on fixed-value.h.
	* c-convert.c (convert): Support FIXED_POINT_TYPE.
	* c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
	to define fixed-point constants.
	(c_cpp_builtins): Define fixed-point constants.
	* convert.c (fixed-value.h): New include.
	(convert_to_real): Update comment to include fixed-point.
	(convert_to_integer): Update comment to include fixed-point.
	(convert_to_complex): Support FIXED_POINT_TYPE.
	(convert_to_fixed): New function.
	* convert.h (convert_to_fixed): Declare.
	* genopinit.c: Add comment about $Q for only fixed-point modes.
	(optabs): Add fract_optab, fractuns_optab, satfract_optab,
	satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
	sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
	ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
	usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
	usneg_optab for fixed-point modes.
	(gen_insn): Add force_fixed to track the $Q format for all fixed-point
	* optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
	unsigned saturation optabs, when type is saturating.
	(shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
	(expand_fixed_convert): New function.
	(gen_fixed_libfunc, gen_signed_fixed_libfunc,
	gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
	gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
	gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
	gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
	gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
	(init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
	ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
	usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
	ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
	usneg_optab, fract_optab, fractuns_optab, satfract_optab,
	Initialize fixed-point libraries, including add, ssadd, usadd, sub,
	sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
	ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
	fractuns, satfractuns.
	* optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
	OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
	OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
	OTI_ssmsub_widen,  OTI_usmsub_widen.
	(ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
	usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
	ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
	umsub_widen_optab, usmsub_widen_optab): Define.
	(enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
	(fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
	(expand_fixed_convert): Declare.
	* expr.c (convert_move): Support the move of fixed-point modes.
	(emit_move_insn_1): Handle fixed-point mode to move via integer.
	(categorize_ctor_elements_1): Handle FIXED_CST.
	(count_type_elements): Handle FIXED_POINT_TYPE.
	(expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
	Support FIXED_CST.
	For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
	multiply and add/subtract for fixed-point types.
	For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
	mode, we jump to binop directly.
	(do_store_flag): Check FIXED_CST to put a constant second.
	(vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
	(const_vector_from_tree): Support FIXED_CST.
	* doc/extend.texi (Fixed-Point): New node.
	* doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
	ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
	satfract, fractuns, satfractuns): Document them.

2007-09-07  Bernd Schmidt  <>

	* config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
	addresses into I registers.

2007-09-06  Jan Hubicka  <>
	    Andreas Tobler  <>

	* config/darwin.c (machopic_indirect_data_reference): Avoid invalid
	(machopic_legitimize_pic_address): Likewise.

2007-09-06  Andrew Pinski  <>
	    Jan Hubicka  <>

	* config/spu/ (floatsidf2): Use convert_optab_libfunc
	instead of ufloat_optab->handlers directly.
	(floatdidf2): Likewise.

2007-09-06  Sandra Loosemore  <>

	* config/mips/mips.c:  Include diagnostic.h.
	(mips_set_current_function): Check errorcount and sorrycount 
	before generating RTL.

2007-09-06  Richard Sandiford  <>

	PR target/33256
	* config/mips/mips.c (mips_classify_symbolic_expression): New function.
	(mips_classify_address): Use it instead of mips_symbolic_constant_p.
	(print_operand_reloc): Likewise.

2007-09-06  Janis Johnson  <>


 	2007-09-06  Jan Hubicka  <>
	* config/i386/i386.c (ix86_expand_lround, ix86_expand_round):
	Update call of real_2expN.

	2007-09-06  Richard Sandiford  <>

	* config/mips/ (fixuns_truncdfsi2, fixuns_truncdfdi2)
	(fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.

	2007-09-05  Janis Johnson  <>

	* optabs.c (expand_float): Convert unsigned integer as signed only
	if it provides sufficient accuracy; add mode argument to real_2expN.
	(expand_fix): Fix comment typos; extend binary float into mode
	wider than destination for converion to unsigned integer; add mode
	argument to real_2expN.
	* real.c (real_2expN): Add mode argument to special-case decimal
	float values.
	* real.h (real_2expN): Ditto.
	* fixed-value.c (check_real_for_fixed_mode): Add mode argument to
	(fixed_from_string): Ditto.
	(fixed_to_decimal): Ditto.
	(fixed_convert_from_real): Ditto.
	(real_convert_from_fixed): Ditto.
	* config/rs6000/ (FP): Include DD and TD modes.
	* config/rs6000/ (extendddtd2, adddd3, addtd3, subdd3, subtd3,
	muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
	floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.

2007-09-06  Tom Tromey  <>

	* tree-cfg.c (remove_bb): Only warn if line is non-zero.
	* c-pch.c (c_common_read_pch): Restore current location after
	reading PCH file.
	* tree.c (expand_location): Update.
	(expr_filename): Changed return type.  Unified the two cases.
	(expr_lineno): Likewise.
	(annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
	as lvalues.
	* toplev.c (line_table): Changed type.
	(general_init): Update.
	(realloc_for_line_map): New function.
	(general_init): Allocate line_table using GC.
	* fix-header.c (line_table): Changed type.
	(read_scan_file): Update.
	(read_scan_file): Update.
	* c-ppoutput.c (maybe_print_line): Update.
	(print_line): Update.
	(cb_line_change): Update.
	(cb_define): Update.
	(pp_file_change): Update.
	* c-opts.c (c_common_init_options): Update.
	(finish_options): Update.
	(push_command_line_include): Update.
	* c-lex.c (cb_line_change): Update.
	(cb_def_pragma): Update.
	(cb_define): Update.
	(cb_undef): Update.
	(c_lex_with_flags): Use cpp_get_token_with_location.
	* input.h (line_table): Changed type.
	(location_from_locus): New macro.
	* tree.h (EXPR_FILENAME): No longer an lvalue.
	(EXPR_LINENO): Likewise.
	(expr_locus, set_expr_locus): Declare separately for
	(expr_filename, expr_lineno): Changed return type.
	* gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
	* cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
	(expand_gimple_basic_block): Likewise.
	* final.c (final_scan_insn): Use expanded_location.

2007-09-06  Richard Guenther  <>

	PR tree-optimization/32586
	* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
	folding if nothing changed.
	(simplify_unary_expression): New function.  Do tree combining
	on conversion like codes.
	(try_to_simplify): Call it.
	* builtins.c (fold_builtin_cexp): Fold the built expressions.
	* fold-const.c (fold_unary): Test result of get_callee_fndecl().

2007-09-06  Jan Hubicka  <>

	PR target/33318
	* cse.c (fold_rtx): Avoid invalid sharing.

2007-09-06  Richard Sandiford  <>

	* config/mips/ (fixuns_truncdfsi2, fixuns_truncdfdi2)
	(fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.

2007-09-06  Revital Eres  <>

	* config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
	Fix offsettable memory reference for 750CL.

2007-09-06  Pat Haugen  <>

	* reload.c (find_reloads_address_1): Try to preserve original
	base/index regclass of operands.
	* regrename.c (scan_rtx_address): Likewise.
	(replace_oldest_value_addr): Likewise.

2007-09-06  Richard Guenther  <>

	PR tree-optimization/33302
	* domwalk.c (walk_dominator_tree): The exit block is
	interesting even if it is not reachable.

2007-09-06  Richard Sandiford  <>

	PR middle-end/33306
	* optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.

2007-09-06  Basile Starynkevitch  <>

	* cfg.c (dump_bb_info, dump_edge_info): Added cfun test for 

2007-09-05  Ian Lance Taylor  <>

	* tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
	when printing.
	(dump_generic_node): Likewise.
	* print-rtl.c (print_decl_name): Likewise.
	* print-tree.c (print_node_brief): Likewise.
	(print_node): Likewise.
	* (RTL_BASE_H): Add alias.h.
	(TREE_H): Likewise.

2007-09-06  Jesper Nilsson  <>

	* longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
	* config/cris/ (ctzsi2, cris_swap_bits): Implemented.
	* config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.

2007-09-06  Jie Zhang  <>

	* config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
	(tm_defines): Define UCLIBC_DEFAULT to 1.
	(extra_options): Add linux.opt.
	* config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
	* config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
	* config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
	(ENDFILE_SPEC): Don't define.
	(LIB_SPEC): Likewise.

2007-09-06  Jan Hubicka  <>

	* config/i386/i386.c (ix86_expand_lround, ix86_expand_round):
	Update call of real_2expN.

2007-09-06  Jan Hubicka  <>

	* opts.c (common_handle_option): Enable inlining functions for

2007-09-06  Jakub Jelinek  <>

	* builtin-attrs.def (ATTR_NONNULL_3): New.
	* builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
	vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
	__vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
	instead of ATTR_FORMAT_*_*.

2007-09-06  Hans-Peter Nilsson  <>

	* config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
	parts re-used for REG_FRAME_RELATED_EXPR.

2007-09-05  Janis Johnson  <>

	* optabs.c (expand_float): Convert unsigned integer as signed only
	if it provides sufficient accuracy; add mode argument to real_2expN.
	(expand_fix): Fix comment typos; extend binary float into mode
	wider than destination for converion to unsigned integer; add mode
	argument to real_2expN.
	* real.c (real_2expN): Add mode argument to special-case decimal
	float values.
	* real.h (real_2expN): Ditto.
	* fixed-value.c (check_real_for_fixed_mode): Add mode argument to
	(fixed_from_string): Ditto.
	(fixed_to_decimal): Ditto.
	(fixed_convert_from_real): Ditto.
	(real_convert_from_fixed): Ditto.
	* config/rs6000/ (FP): Include DD and TD modes.
	* config/rs6000/ (extendddtd2, adddd3, addtd3, subdd3, subtd3,
	muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
	floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.

2007-09-05  Ian Lance Taylor  <>

	* init-regs.c (initialize_uninitialized_regs): Call
	emit_insn_before rather than add_insn_before.

2007-09-05  Jakub Jelinek  <>

	* builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
	* tree.h (CALL_EXPR_VA_ARG_PACK): Define.
	* tree-inline.h (copy_body_data): Add call_expr field.
	* tree-inline.c (expand_call_inline): Initialize call_expr.
	(copy_bb): Append anonymous inline fn arguments to arguments
	when inlining a CALL_EXPR_VA_ARG_PACK call.
	* builtins.c (expand_builtin): Issue an error if
	BUILT_IN_VA_ARG_PACK is seen during expand.
	(fold_call_expr, fold_builtin_call_array): Don't fold
	__builtin_va_arg_pack () call as last argument.
	* gimplify.c (gimplify_call_expr): If last argument to a vararg
	function is __builtin_va_arg_pack (), decrease number of call
	arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
	* expr.c (expand_expr_real_1): Issue an error if
	CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
	* tree-pretty-print.c (dump_generic_node): Handle printing
	* doc/extend.texi (__builtin_va_arg_pack): Document.

2007-09-05  Adam Nemet  <>

	PR tree-optimization/21513
	* builtins.c (build_builtin_expect_predicate): New function.
	(fold_builtin_expect): Add argument for expected value.
	Distribute __builtin_expect over short-circuiting operations.
	Fold nested builtin_expects.
	(fold_builtin_2): Adjust call to fold_builtin_expect.

2007-09-05  Rask Ingemann Lambertsen  <>

	PR web/32965
	PR tree-optimization/13756
	* doc/invoke.texi (Options That Control Optimization): Document

2007-09-05  Uros Bizjak  <>

	* config/i386/cpuid.h: New file.
	* config/i386/driver-i386.c: Include cpuid.h.
	(describe_cache): Shrink size and line strings to 100 bytes.
	(detect_caches_amd): Return "" for unsupported max_ext_level.
	Use __cpuid function.
	(detect_caches_intel): Return "" for unsupported max_level.
	Use __cpuid function.
	(host_detect_local_cpu): Change feature flag variables to
	unsigned int.  Initialize only extended feature flag variables.
	Use __get_cpuid_max to determine max supported cpuid level.
	Use __cpuid function to determine supported features.  Fix
	calculation of family id.  Remove is_amd and check signature
	directly.  Check for Geode signature.  Handle family 4 id.
	[PROCESSOR_GENERIC32]: New default for unknown family id.  Move
	cpu discovery code to lower part of the function.
	for sub-architecture.
	[PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
	[PROCESSOR_K8]: Add k8-sse3 architecture.
	* config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
	* config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
	to check for SSE and FXSAVE support.
	* config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
	Add -minline-all-stringops.
	* config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
	(x86_64-*-*): Ditto.

2007-09-05  Jie Zhang  <>

	* config/bfin/linux-unwind.h: New file.
	* config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
	* config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.

2007-09-05  Laurynas Biveinis  <>

	* (stmt.o): Add alloc-pool.h dependency.
	* stmt.c: Include alloc-pool.h.
	(struct case_node): Remove GTY marker.
	(add_case_node): New parameter case_node_pool.  Use it for
	allocation of r.
	(expand_case): New allocation pool case_node_pool.  Initialize it,
	pass to add_case_node and free it.

2007-09-05  Sandra Loosemore  <>
	    David Ung  <>
	    Nigel Stephens <>

	Add mips16/nomips16 function attributes and -mflip-mips16 option
	for testing mixed-mode compilation.

	* config/mips/mips.opt (mflip-mips16): New.

	* config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.

	* config/mips/mips.c (mips_base_target_flags): New.
	(mips_base_mips16): New.
	(mips_base_schedule_insns): New.
	(mips_base_reorder_blocks_and_partition): New.
	(mips_base_align_loops): New.
	(mips_base_align_jumps): New.
	(mips_base_align_functions): New.
	(mips16_flipper): New.
	(mips_attribute_table): Add "mips16" and "nomips16" entries.
	(mips_mips16_type_p, mips_nomips16_type_p): New.
	(mips_comp_type_attributes): Check mips16/nomips16 attributes.
	(mips_function_ok_for_sibcall): Make it deal with functions with
	mips16 attributes.
	(mips_init_split_addresses): New, split out from override_options.
	(mips_init_relocs): New, split out from override_options.
	(was_mips16_p): New.
	(mips_set_mips16_mode): New, split out from override_options.
	(mips_set_current_function): New.
	(override_options): Add sorry for unsupported mips16/pic
	combination.  Remove error for mips16/dsp combination.	Save
	base option settings.  
	(mips_file_start): Move mips16 mode setting output from here....
	(mips_output_function_prologue): here.
	(mips_output_mi_thunk): Check for mips16 function.
	(build_mips16_function_stub): Don't set .mips16 here.
	(build_mips16_call_stub): Likewise.
	(mips_expand_builtin): Error in mips16 mode.
	(mips_use_mips16_mode_p): New.
	(mips_encode_section_info): Check for mips16 function, and set
	SYMBOL_REF_FLAGS accordingly.

	* doc/extend.texi (Function Attributes): Document new
	mips16/nomips16 attributes.
	* doc/invoke.texi (Option Summary): Add -mflip-mips16.
	(MIPS Options): Document -mflip-mips16.

2007-09-05  Sandra Loosemore  <>

	* config/mips/mips.c (mips_legitimize_tls_address): Call sorry
	if we encounter TLS address in MIPS16 mode.
	(mips_legitimize_const_move): Check cannot_force_const_mem for
	the (const (plus symbol offset)) case; this forces invalid TLS
	address in MIPS16 mode to be caught by the above call to sorry.
	(override_options): Don't reset targetm.have_tls in MIPS16 mode,
	because that now enables emutls, which is not ABI compatible
	with native TLS in non-MIPS16 mode.

2007-09-05  Sandra Loosemore  <>

	Add target hook invoked when cfun changes.

	* doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
	* target.h (struct gcc_target): Add set_current_function.
	* target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
	(TARGET_INITIALIZER): Add initializer for set_current_function.
	* tree.h (push_struct_function): New.
	* tree-inline.h (push_cfun, pop_cfun): Move declarations to...
	* function.h: Here.
	(set_cfun): Declare.
	* tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
	* function.c: Here.
	(push_function_context_to): Use allocate_struct_function
	to create null context, not init_dummy_function_start.  Use set_cfun.
	(pop_function_context_from): Use set_cfun.
	(in_dummy_function): New.
	(invoke_set_current_function_hook): New.
	(set_cfun): New.
	(push_cfun, pop_cfun): Use set_cfun.
	(push_struct_function): New.
	(allocate_struct_function): Call invoke_set_current_function_hook
	before returning.
	(prepare_function_start): Don't set cfun here.  Remove unused
	argument; fix all callers.
	(init_dummy_function_start): Fiddle with in_dummy_function.  Call
	(init_function_start): Set cfun here.
	(expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
	* omp-low.c (create_omp_child_function): Use push_struct_function
	and pop_cfun to save/restore state.
	(expand_omp_parallel): Remove unused saved_cfun variable.
	* cgraphunit.c (ipa_passes): Use set_cfun.
	* gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
	* dwarf2out.c (dwarf2out_abstract_function): Likewise.
	* matrix-reorg.c (transform_allocation_sites): Likewise.
	(matrix_reorg): Use set_cfun.
	* gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
	* tree-optimize.c (tree_rest_of_compilation): Remove one redundant
	assignment to cfun; use set_cfun for the other.
	* tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
	(dump_function_to_file): Use push_cfun/pop_cfun here.
	* c-decl.c (finish_function): Use set_cfun.

2007-09-05  Kenneth Zadeck <>

	* regrename.c (rerename_optimize): Use deferred rescanning and
	insert explicit calls to rescan insns when changed.
2007-09-05  Jan Hubicka  <>

	* optabs.c (libfunc_entry): Change optab to integer.
	(hash_libfunc, convert_optab_libfunc, optab_libfunc,
	set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
	of pointers for hashing.

2007-09-05  Jan Hubicka  <>

	* regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
	* fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
	* see.c (pass_see): Likewise.
	* tracer.c (pass_tracer): Likewise.
	* postreload-gcse.c (pass_gcse2): Likewise.
	* postreload.c (pass_postreload_cse): Likewise.
	* mode-switching.c (pass_mode_switching): Likewise.
	* modulo-sched.c (pass_sms): Likewise.
	* cse.c (cse_insn): Likewise.
	* web.c (pass_web): Likweise.
	* combine-stack-adj.c (pass_stack_adjustments): Likewise.
	* dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
	* loop-init.c (pass_rtl_loop_init): Likewise.
	(pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
	pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
	* global.c (pass_global_alloc): Likewise.
	* ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
	pass_if_after_reload): Likewise.
	* reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
	* dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
	* regmove.c (pass_regmove): Likewise.
	* function.c (pass_thread_prologugues_epilogues): Likewise.
	* gcse.c (pass_gcse): Likewise.
	* rtl-factoring.c (pass_rtl_seqabstr): Likewise.
	* lower-subreg.c (pass_lower_subreg2): Likewise.
	* bt-load.c (pass_branch_target_load): Likewise.
	* emit-rtl.c (pass_unshare_all_rtl): Likewise.
	* cfgcleanup.c (pass_jump, pass_jump2): Likewise.
	* combine.c (pass_combine): Likewise.
	* bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
	(pass_partition_blocks): Likewise.
	* var-tracking.c (pass_variable_track): Likewise.
	* reg-stack.c (pass_stack_regs_run): Likewise.
	* sched-rgn.c (pass_sched, pass_sched2): Likewise.
	* passes.c (pass_postreload): Likewise.
	(execute_function_todo): Add TODO_verify_rtl_sharing handling code.
	* tree-pass.h (TODO_verify_rtl_sharing): New.
	(TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
	TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
	TODO_set_props, TODO_df_finish, TODO_df_verify,
	TODO_mark_first_instance, TODO_rebuild_alias): Renumber.

2007-09-05  Kaveh R. Ghazi  <>

	* fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
	fold_real_zero_addition_p, reorder_operands_p,
	div_if_zero_remainder, fold_undefer_overflow_warnings,
	int_binop_types_match_p, fold_convert_const_int_from_int,
	fold_convert_const_fixed_from_real, maybe_lvalue_p,
	fold_checksum_tree, fold_check_failed, print_fold_checksum,
	debug_fold_checksum, multiple_of_p): Constify.
	* tree-flow-inline.h (get_lineno): Likewise.
	* tree-flow.h (get_lineno): Likewise.
	* tree-object-size.c (compute_object_offset, addr_object_size,
	alloc_object_size, pass_through_call): Likewise.
	* tree-pretty-print.c (op_symbol, print_call_name,
	print_struct_decl, do_niy): Likewise.
	* tree.h (fold_undefer_overflow_warnings, multiple_of_p,
	debug_fold_checksum): Likewise.

2007-09-04  Steven Bosscher  <>

	PR middle-end/33029
	* lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
	note, remove the associated REG_RETVAL note.

2007-09-04  Andrew Pinski  <>

	* config.gcc (powerpc*-*-*): Install
	spu2vmx.h, vec_types.h, and si2vmx.h headers.
	* config/rs6000/spu2vmx.h: New header.
	* config/rs6000/si2vmx.h: New header.
	* config/rs6000/vec_types.h: New header.

2007-09-05  Ben Elliston  <>

	* varasm.c (initializer_constant_valid_p): Fix comment typo.

2007-09-05  Ben Elliston  <>

	* config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
	not `m' for *ptrp.
	(__stdcx): Make asm volatile.
	(__stwcx, __stdcx): Return only 0 or 1.

2007-09-05  Jan Hubicka  <>


	2007-09-04  Jan Hubicka  <>
	* tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.

	2007-09-04  Richard Guenther  <>
	* tree-ssa-operands.c (add_virtual_operand): Only mark
	stores as has_volatile_ops if alias information is not available.

2007-09-05  Jakub Jelinek  <>

	* config/rs6000/tramp.asm: Include config.h.
	Check __PIC__ or __pic__ macro instead of SHARED.

	PR rtl-optimization/32300
	* see.c (see_copy_insn): New function.
	(see_def_extension_not_merged, see_merge_one_use_extension,
	see_merge_one_def_extension): Use it.  Avoid changing
	PREV_INSN/NEXT_INSN chains directly, insted emit insns
	into sequences.  Call df_insn_delete on temporary insns
	that won't be emitted into the insn stream.
	(rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
	and run df_process_deferred_rescans () before run_fast_dce.

	PR tree-optimization/33017
	* tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
	recurse for pure or const function calls.

2007-09-04  Laurynas Biveinis  <>

	* c-format.c: Include alloc-pool.h.
	(check_format_info_main): New argument fwt_alloc.  Use allocation
	pool instead of GC.  Remove GC deallocation code.
	(check_format_arg): Create allocation pool, pass it to
	check_format_info_main and free it afterwards.
	* (c-format.o): Add alloc-pool.h dependency.

2007-09-05  Ben Elliston  <>

	* config/rs6000/ppu_intrinsics.h (__protected_stream_count):
	Rename count macro arugment for clarity.
	(__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
	(__protected_stream_set): Likewise, pass 0.

2007-09-04  Jan Hubicka  <>

	* tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.

2007-09-04  Jan Hubicka  <>

	* invoke.texi (-finline-small-functions): Document.
	* ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
	when deciding what is inlinable.
	(cgraph_decide_recursive_inlining): Handle flag_inline_functions.
	(cgraph_decide_inlining_of_small_function): Handle new flags.
	(cgraph_decide_inlining_incrementally): Likewise.
	* opts.c (decode_options): Enable flag_inline_small_functions at -O2
	* common.opt (finline-small-functions): New.
	* (build/gengtype.o-warn): Work around PR29478

2007-09-04  Richard Guenther  <>

	* tree-ssa-operands.c (add_virtual_operand): Only mark
	stores as has_volatile_ops if alias information is not available.

2007-09-04  Andrew Haley  <>

	* config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.

2007-09-04  Andrew Haley  <>

	* config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
	* config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
	* config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.

2007-09-04  Emmanuel Thome  <>

	PR c++/14178
	* common.opt: Mention ABI version 2 in comment.

2007-09-04  Jan Hubicka  <>

	* optabs.c (debug_optab_libfunc): Update; make available to gdb.
	(libfunc_entry): New structure.
	(libfunc_hash): New hashtable.
	(hash_libfunc): New function.
	(eq_libfunc): New function.
	(convert_optab_libfunc): New function.
	(optab_libfunc): New function.
	(expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
	expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
	expand_float, expand_fix, new_optab, new_convert_optab):
	 Update for new libfunc API.
	(init_libfunc, init_integral_libfuncs,
	init_floating_libfuncs, init_interclass_conv_libfuncs
	init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
	(gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
	gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
	gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
	gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
	gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
	gen_extend_conv_libfunc): New.
	(init_one_libfunc): Revamp for hashtables.
	(set_conv_libfunc): Likewise.
	(init_optabs): Initialize hashtable; use lazy initialization where
	* optabs.h (optab_handlers): Move out of GGC.
	(optab, convert_optab): Move out of GGC; add lazy gen info.
	(code_to_optab, convert_optab_table, optab_table): Move out of GGC.
	(optab_libfunc, convert_optab_libfunc): New.
	* builtins.c (expand_builtin_powi): Update for new API.
	* expr.c (convert_move): Likewise.
	* expmed.c (expand_divmod): Likewise.

2007-09-04  Daniel Jacobowitz  <>

	* config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
	GOT pointer only if there is a constant pool.  Use the allocated space
	for SPE also.

2007-09-04  Daniel Jacobowitz  <>

	* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
	typo for AltiVec.

2007-09-04  Revital Eres  <>
	    Richard Guenther  <>
	    R. Clint Whaley  <>

	* doc/invoke.texi (-fassociative-math, -freciprocal-math):
	Document new flags.
	* tree-tailcall.c (process_assignment): Use -fassociative-math
	when reodering operands of floating-point type.
	* fold-const.c (fold_comparison, fold_binary): Use
	-fassociative-math and -freciprocal-math instead of
	-funsafe-math-optimization flag.
	* toplev.h (set_unsafe_math_optimizations_flags): Declare function.
	* tree-ssa-math-opts.c (gate_cse_reciprocals): Use
	-freciprocal-math instead of -funsafe-math-optimizations.
	* opts.c (set_fast_math_flags): Set -freciprocal-math and
	-fassociative-math when -ffast-math is set.
	(set_unsafe_math_optimizations_flags): New Function
	to set -freciprocal-math and -fassociative-math when
	-funsafe-math-optimizations is set.
	(common_handle_option): Call it.
	* tree-vectorizer.c (vect_is_simple_reduction): Use
	-fassociative-math when doing reduction on floats.
	* loop-unroll.c (analyze_insn_to_expand_var): Use
	-fassociative-math when expanding an accumulator of type float.
	* simplify-rtx.c (simplify_binary_operation_1): Use
	-fassociative-math and -freciprocal-math when reordeing operands
	of floating-point type.
	* combine.c (combine_simplify_rtx): Likewise.
	* tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
	* common.opt (-fassociative-math, -freciprocal-math): New flags.

2007-09-04  Paolo Carlini  <>

	PR c++/18608
	* doc/install.texi (--enable-__cxa_atexit): Fix typo.

2007-09-04  Jan Hubicka  <>

	* regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.

2007-09-04  Jan Hubicka  <>

	* regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
	and corresponding MATCH_DUP.

2007-09-04  Uros Bizjak  <>

	PR middle-end/33187
	* combine.c (subst): Do not try to simplify X if it represents load
	of FP constant from the constant pool via float extension.

2007-09-04  Ben Elliston  <>

	* c-opts.c: Include "tm_p.h".
	* (c-opts.o): Add $(TM_P_H) as a dependency.

2007-09-04  Richard Guenther  <>

	PR tree-optimization/33291
	* tree-pretty-print.c (dump_generic_node): Dump all
	qualifiers for pointer types, not only first.  Dump
	qualifiers for aggregate types as well.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
	use the canonical type for building ARRAY_REFs.
	* gimplify.c (canonicalize_addr_expr): Clean up.  The
	correct validness check is compatibility of the pointer
	types.  Always use the canonical type for building
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
	change that disabled propagation of ADDR_EXPRs into statements
	with volatile ops.

2007-09-03  Zack Weinberg  <>

	* config/arm/ (mulsidi3, umulsidi3, mulsi3_highpart)
	(umulsi3_highpart): Make into expanders; existing insns are
	now named *[insn]_nov6.  Add stars to existing [insn]_v6
	counterparts' names.

2007-09-03  Daniel Jacobowitz  <>

	* (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
	(unprotoize.o): Remove SHLIB_MULTILIB.

2007-09-03  Eric Weddington  <>

	* doc/extend.texi: Document progmem attribute for AVR.

2007-09-03  Anatoly Sokolov <>

	PR target/28902
 	* config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.

2007-09-03  Zack Weinberg  <>

	* optabs.c (expand_ffs): Initialize val and defined_at_zero
	to avoid warnings.

	* optabs.c: Remove unnecessary forward declarations.
	(expand_unop_direct): New, broken out of expand_unop.
	(expand_doubleword_clz): New.
	(expand_ctz): Move above expand_ffs.  Use
	start_sequence, end_sequence, add_equal_note, and
	expand_unop_direct.  Add more commentary.
	(expand_ffs): Try both ctz optab and expand_ctz.
	Generate a test and branch if the hardware doesn't give us
	a useful value for input zero.  Style improvements similar to

	* config/arm/ (ffssi2, ctzsi2): Delete.

2007-09-03  Zack Weinberg  <>

	* config.gcc: Delete stanza for arm-semi-aof and
	armel-semi-aof targets.
	* config/arm/arm-protos.h
	* config/arm/arm.c
	* config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
	make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
	delete aof_pic_label and remove mention of AOF in comments.
	* config/arm/ Delete patterns used only for AOF assembly.
	* config/arm/aof.h
	* config/arm/semiaof.h
	* config/arm/t-semi: Delete file.

2007-09-03  Kaveh R. Ghazi  <>

	CONST_CAST_BB): New macros for type-specific casts.
	(CONST_CAST): Add a TYPE parameter and define it in terms of

	* c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
	* c-lex.c (cb_ident, lex_string): Likewise,
	* c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
	* config/i386/i386.c (ix86_function_regparm,
	ix86_function_sseregparm): Use CONST_CAST_TREE.
	* config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
	* gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
	give_switch, set_multilib_dir): Likewise,
	* gengtype-parse.c (string_seq, typedef_name): Likewise,
	* gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
	* jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
	* passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
	* prefix.c (update_path): Likewise,
	* pretty-print.c (pp_base_destroy_prefix): Likewise,
	* rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
	* tree-cfg.c (tree_can_merge_blocks_p,
	tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
	* tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
	* tree.c (build_string): Supply a TYPE for CONST_CAST.
	(attribute_list_contained): Use CONST_CAST_TREE.

2007-09-03  Krister Walfridsson  <>

	* config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.

2007-09-03  Richard Sandiford  <>

	PR middle-end/33290
	* optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
	before forcing them into a register.

2007-09-03  Richard Sandiford  <>

	* config/mips/ (fetchop_bit): Use define_code_iterator
	rather than define_code_macro.

2007-09-03  Francois-Xavier Coudert  <>

	* gcc.c (xputenv): New function.
	(putenv_from_prefixes): Use xputenv instead of putenv.
	(process_command): Use xputenv instead of putenv.
	(set_collect_gcc_options): Use xputenv instead of putenv.
	(main): Use xputenv instead of putenv.

2007-09-03  Jesper Nilsson  <>

	* config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
	availability of swap instruction.
	* config/cris/ (bswapsi2): Implement using swap instruction.

2007-09-03  Revital Eres  <>

	* doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update

2007-09-03  Vladimir Yanovsky  <>
	    Ayal Zaks  <>
	    Revital Eres  <>

	* modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
	compute_split_row): New functions.
	(ps_unschedule_node): Remove.
	(normalize_sched_times): Iterate over the already scheduled
	insns instead of the number of nodes.
	(MAX_SPLIT_NUM): New definition.
	(sms_schedule_by_order): Change the scheduling heuristic to
	avoid useless increases of initiation interval ii.
	(get_sched_window): Add dump printouts.

2007-09-02  David Daney  <>

	(optab, insn): Add more attributes.
	(fetchop_bit): New code macro.
	(immediate_insn): New code macro attribute.
	(sync): Change condition to ISA_HAS_SYNC.
	(rdhwr): Change predicate for operand 0 to register_operand.
	(memory_barrier): New expand.
	(sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
	sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
	sync_new_sub<mode>, sync_<optab><mode>,	sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
	sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
	* config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
2007-09-03  Jesper Nilsson  <>
	    Hans-Peter Nilsson  <>

	* config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
	Defined to describe availability and behavior of CLZ.
	* config/cris/ (clzsi2): Implement using lz instruction.
	* config/cris/cris.opt: Tweak comment for "-metrax4".
	* config/cris/arit.c (LZ): When defined, define as __builtin_clz.
	* longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
	(count_leading_zeros): Define.

2007-09-01  Laurynas Biveinis  <>

	* ggc-page.c (ggc_pch_read): Call validate_free_objects.

2007-09-02  Joseph Myers  <>

	PR c/29237
	PR middle-end/33272
	* c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
	decayed from array.

2007-09-01  Kazu Hirata  <>

	* config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
	config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
	ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
	sched-deps.c, sched-int.h, system.h, target.h,
	tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
	tree.def: Fix comment typos.

2007-09-01  Kazu Hirata  <>

	* config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
	(override_options): Turn on -mstrict-align on non-ColdFire
	* config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.

2007-09-01  Kaveh R. Ghazi  <>

	* c-common.c (const_strip_array_types): Delete.
	* c-common.h (const_strip_array_types): Likewise.
	* emit-rtl.c (const_next_insn, const_previous_insn,
	const_next_nonnote_insn, const_prev_nonnote_insn,
	const_next_real_insn, const_prev_real_insn,
	const_next_active_insn, const_prev_active_insn, const_next_label,
	const_prev_label): Delete.
	* gimple-low.c (block_may_fallthru): Use expr_last.
	* jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
	* rtl.h (const_previous_insn, const_next_insn,
	const_prev_nonnote_insn, const_next_nonnote_insn,
	const_prev_real_insn, const_next_real_insn,
	const_prev_active_insn, const_next_active_insn, const_prev_label,
	const_next_label): Delete.
	* rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
	* system.h (CONST_CAST): Update comment.
	* tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
	(const_first_stmt, const_last_stmt): Delete.
	(tree_block_ends_with_condjump_p): Use last_stmt.
	* tree-flow.h (const_first_stmt, const_last_stmt): Delete.
	* tree-iterator.c (const_expr_first, const_expr_last,
	const_expr_only): Delete.
	* tree.c (const_lookup_attribute): Likewise.
	(attribute_list_contained): Use lookup_attribute.
	* tree.h (const_lookup_attribute, const_expr_first,
	const_expr_last, const_expr_only): Delete.

2007-09-01  Richard Guenther  <>

	* tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
	* tree-ssa-operands.c (add_virtual_operand): Do not set
	has_volatile_ops.  Do not check s_ann for NULL.
	(get_indirect_ref_operands): Likewise.
	(get_expr_operands): Likewise.  For all reference trees
	set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
	check base of reference for TREE_THIS_VOLATILE.

2007-09-01  Richard Guenther  <>

	* tree-cfg.c (verify_gimple_expr): Fix check for conversions
	between integral types.  Also allow conversions between
	pointer types.

2007-08-31  Andrew Pinski  <>

	* optabs.c (prepare_float_lib_cmp): Use
	libgcc_cmp_return_mode instead of word_mode.
	* config/dfp-bit.h: Likewise.
	* config/fp-bit.h: Likewise.
	* config/spu/spu.c (spu_libgcc_cmp_return_mode):
	New function.
	(spu_libgcc_shift_count_mode): New function.

2007-08-31  Joseph Myers  <>

	* tree-pretty-print.c: Include output.h.
	(dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
	* (tree-pretty-print.o): Add dependency on output.h.

2007-08-31  Zdenek Dvorak  <>

	PR rtl-optimization/33224
	* loop-iv.c (latch_dominating_def): Check that the definition belongs
	to the analysed region.

2007-08-31  Richard Guenther  <>

	* function.c (allocate_struct_function): Do not set
	* function.h (struct var_refs_queue): Remove.
	(struct simple_obstack_stack): Likewise.
	(struct function): Remove fixup_var_refs_queue member.
	Remove returns_pointer flag.
	(current_function_returns_pointer): Remove define.

2007-08-31  Nick Clifton  <>

	* tree-ssa-coalesce.c (compare_pairs): Use the elements as
	secondary keys in order to obtain a stable sort.

2007-08-31  Nick Clifton  <>

	PR target/33132
	* config/m32r/ Add W constraint for integer zero.
	* config/m32r/ (get_pc): Use W and i constraints.
	Fix length calculation by using alternatives.

2007-08-31  Richard Sandiford  <>

	* optabs.c (shift_optab_p, commutative_optab_p): New functions,
	split out from expand_binop.
	(avoid_expensive_constant): New function.
	(expand_binop_directly): Remove commutative_op argument and
	(expand_binop_directly): Remove commutative_op argument and
	call cummutative_optab_p instead.  Do not change op0 or op1
	when swapping xop0 and xop1.  Apply avoid_expensive_constant
	to each argument after potential swapping.  Enforce the
	canonical order of commutative operands.
	(expand_binop): Use shift_optab_p and commutative_optab_p.
	Update the calls to expand_binop_directly.  Only force constants
	into registers when widening an operation.  Only swap operands
	once a direct expansion has been rejected.
	(expand_twoval_binop): Only force constants into registers when
	using a direct expansion.

2007-08-31  Maxim Kuvyrkov  <>

	* sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
	(sched_analyze_insn): Don't postprocess speculative dependencies when
	target has no scheduling.
	* tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
	'uninitialized' warning.

2007-08-31  Richard Guenther  <>

	* tree.c (build_complex_type): Always set TYPE_NAME for
	comples types.

2007-08-31  Olivier Hainque  <>

	* config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
	internal macro. Default alignment factor for csect directives, chosen
	to match what BIGGEST_ALIGNMENT allows.
	* config/rs6000/rs6000.c
	(rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
2007-08-31  Olivier Hainque  <>

	* dbxout.c (dbxout_block): Move declaration within the first
	#if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
	block to include the definition, together with the associated

2007-08-31  David Edelsohn  <>
	    Revital Eres  <>

	* doc/invoke.texi (-mpaired): Document flag.
	* config.gcc: Include paired.h in powerpc extra_headers and
	750cl.h in powerpc-*-linux*paired*.
	* config/rs6000/rs6000.opt (-mpaired): New flag.
	* config/rs6000/rs6000.c (paired_init_builtins,
	paired_expand_builtin, paired_expand_lv_builtin,
	paired_expand_stv_builtin, paired_expand_predicate_builtin):
	New functions to support the paired single builtin functions.
	(rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
	(def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
	single builtins.
	(bdesc_paired_preds): New structure for paired predicate
	(rs6000_expand_builtin): Expand paired single builtins.
	(rs6000_init_builtins): Init paired single builtins.
	(rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
	Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
	and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
	v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
	(rs6000_vector_mode_supported_p): Support paired vector mode.
	* config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
	(DATA_ALIGNMENT): Likewise.
	(rs6000_builtins): Add PAIRED builtins.
	* config/rs6000/ Include
	* config/rs6000/paired.h: New.
	* config/rs6000/ New.
	* config/rs6000/750cl.h: New.
	* config/rs6000/ Recognize movv2sf instruction for 750cl.

2007-08-30  Ollie Wild  <>

	* c-opts.c (c_common_handle_option): Support -fno-directives-only.
	* gcc.c (default_compilers): Add -fno-directives-only to

2007-08-30  Sandra Loosemore  <>

	PR middle-end/33211

	* regclass.c (initial_fixed_regs): Revert previous change and make
	it const again.
	(initial_call_used_regs): Likewise.
	(initial_call_really_used_regs): Delete, reverting previous addition.
	(initial_reg_names): Likewise.
	(init_reg_sets): Revert previous change.
	(saved_fixed_regs): New.
	(saved_call_used_regs): New.
	(saved_call_really_used_regs): New.
	(saved_reg_names): New.
	(save_register_info): New.
	(restore_register_info): New.
	(init_reg_sets_1): Replace reset of register info with call to
	* rtl.h (save_register_info): Declare.
	* toplev.c (backend_init): Call save_register_info.

2007-08-30  Laurynas Biveinis  <>

	* tree-ssa-propagate.c (set_rhs): Remove the copied annotation
	from the original statement.

2007-08-30  Chao-ying Fu  <>

	* c-lex.c (interpret_fixed): Declare.
	(interpret_float): Process _Fract and _Accum.
	(interpret_fixed): New function.
	* final.c (output_addr_const): Process CONST_FIXED.
	* simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
	(simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
	(simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
	(simplify_immed_subreg): Support CONST_FIXED.
	(simplify_subreg): Support CONST_FIXED.

2007-08-30  Andrew Pinski  <>

	* config/rs6000/ppu_intrinsics.h: New file.
	* config.gcc (powerpc*-*-* <extra_headers>): Install

2007-08-30  Kenneth Zadeck <>

	* cfg.c (dump_flow_info): Change to also print entry and exit
	block info.
	* print-rtl.c (print_rtl_single): Allow to print rtl with
2007-08-30  Kenneth Zadeck <>

	* df-core.h (df_dump_region): New function.
	* df.h (df_dump_region): New function.
	* loop-invariant.c (find_defs): Add call to df_dump_region.
	* loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
2007-08-30  Jakub Jelinek  <>

	PR target/33168
	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
	true if any of the compare_section_name calls returned true,
	rather than if any returned false.

2007-08-30  Richard Guenther  <>

	PR tree-optimization/33199
	* tree-ssa-structalias.c (handle_lhs_call): New function.
	(find_func_aliases): In non-IPA mode make sure that for
	calls that return a pointer we add a constraint for the
	result to point to anything.

2007-08-30  Richard Guenther  <>

	* doc/invoke.texi (-mveclibabi): Document new target option.
	* config/i386/i386.opt (-mveclibabi): New target option.
	* config/i386/i386.c (ix86_veclib_handler): Handler for
	vectorization library support.
	(override_options): Handle the -mveclibabi option, initialize
	the vectorization library handler.
	(ix86_builtin_vectorized_function): As fallback call the
	vectorization library handler, if set.
	(ix86_veclibabi_acml): New static function for ACML ABI style
	vectorization support.

2007-08-30  Jakub Jelinek  <>

	* config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
	used_m, even if it is 32-bit aligned, adjust used_m MEM to have
	SImode and update m.  Don't run gen_lowpart_common on arbitrary
	memory address, force it to register first.

	PR middle-end/32758
	* dce.c (dce_process_block): Don't delete setters of
	artificially used registers.

2007-08-30  Ulrich Weigand  <>

	* config/s390/ ("*add<mode>3_alc_carry1_cc",
	"*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
	"*add<mode>3_alc_carry2_cconly"): New insn definitions.

2007-08-30  Ulrich Weigand  <>

	* config/s390/s390.c (s390_expand_addcc): Emit canonical alc
	* config/s390/ ("*add<mode>3_alc_cc", "*add<mode>3_alc",
	"addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.

2007-08-29  Kaveh R. Ghazi  <>

	* system.h: Activate -Wcast-qual as warning-only.

2007-08-29  Paolo Bonzini  <>

	PR target/33168
	* config/rs6000/rs6000.c (compare_section_name): New function.
	(rs6000_elf_in_small_data_p): Compare section prefixes instead
	of full name.

2007-08-29  Olivier Hainque  <>

	* xcoffout.c: #include debug.h.
	* (xcoffout.o): Add debug.h dependency.

2007-08-29  Uros Bizjak  <>

	* simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
	Change CONST_VECTOR_ELT to XVECEXP in elem calculation.

2007-08-29  Richard Guenther  <>

	* tree-pretty-print.c (dump_generic_node): Print
	label DECL_UID as D.%u.
	* tree-dfa.c (dump_variable): Print DECL_UID as D.%u.

2007-08-29  Francois-Xavier Coudert  <>

	* builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
	* builtins.def (BUILT_IN_REALLOC): New builtin.

2007-08-29  Douglas Gregor  <>

	PR c++/33194
	* tree.c (build_type_attribute_qual_variant): Set canonical types
	on the final, unqualified attribute variant before building the
	qualified version.

2007-08-29  Jie Zhang  <>

	* config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
	order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.

2007-08-29  Jie Zhang  <>

	2007-08-29  Jie Zhang  <>
	* config/bfin/ (composev2hi): Put operands into vector
	with correct order.

2007-08-29  Jie Zhang  <>

	* config/bfin/ (composev2hi): Put operands into vector
	with correct order.

2007-08-29  Jie Zhang  <>

	* config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
	attribute when appropriate.
	(bfin_handle_l1_text_attribute): New.
	(bfin_handle_l1_data_attribute): New.
	(bfin_attribute_table): Add attributes: l1_text, l1_data,
	l1_data_A and l1_data_B.
	* doc/extend.texi (node Function Attributes): Document l1_text
	function attribute.
	(Variable Attributes): Add Blackfin subsection. Document l1_data,
	l1_data_A and l1_data_B variable attributes.

2007-08-28  Jie Zhang  <>

	* config/bfin/bfin.opt (minline-plt): Add.
	* config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
	call to global functions.
	* doc/invoke.texi (Option Summary): Mention -minline-plt.
	(Blackfin Options): Document -minline-plt.

2007-08-28  Nathan Sidwell  <>

	* config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
	given a non-function.
	(m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.

2007-08-28  DJ Delorie  <>

	* config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.

2007-08-28  Kaveh R. Ghazi  <>

	* system.h (CONST_CAST): Avoid union for gcc-4.0.x.

2007-08-28  Richard Guenther  <>

	* tree.h (struct tree_function_decl): Increase size of
	function_code bitfield.

2007-08-28  Nathan Sidwell  <>
	    Kazu Hirata  <>

	* config/m68k/linux.h
	* config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
	(m68k_return_in_memory): New.
	* config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):

2007-08-28  Uros Bizjak  <>

	PR target/32661
	* simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
	Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
	operand) when top VEC_SELECT extracts scalar element.
	* config/i386/ (*vec_extract_v4si_mem): New pattern.
	(*vec_extract_v4sf_mem): Ditto.

2007-08-28  Jakub Jelinek  <>

	PR middle-end/32370
	* passes.c (init_optimization_passes): Move pass_df_finish
	after pass_postreload sublist.

	PR rtl-optimization/33148
	* simplify-rtx.c (simplify_unary_operation_1): Only optimize
	(neg (lt X 0)) if X has scalar int mode.

	PR debug/32914
	* dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
	initializer, use build_vector_from_ctor if possible to create
	VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
	even after this, return NULL.

2007-08-28  Gabriel Dos Reis  <>

	* c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.

2007-08-28  Richard Guenther  <>

	(struct tree_function_decl): Make function_code a bitfield.
	Add disregard_inline_limits flag.
	* cgraphunit.c (cgraph_process_new_functions): Check
	DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
	(cgraph_preserve_function_body_p): Likewise.
	* ipa-inline.c (compute_inline_parameters): Likewise.
	* c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
	for GNU C extern inline functions.
	* tree-inline.c (disregard_inline_limits_p): Remove.
	* tree-inline.h (disregard_inline_limits_p): Likewise.
	* c-common.c (handle_always_inline_attribute): Set
	* langhooks.c (add_builtin_function): Verify the function code
	fits in the bitfield.

2007-08-28  Mircea Namolaru  <>
	    Vladimir Yanovsky  <>
	    Revital Eres  <>
	    Andrey Belevantsev  <>

	* config/spu/ Recognize doloop pattern when -fmodulo-sched
	is set.
	* modulo-sched.c: Add documentation regarding do-loop.
	(doloop_register_get): Change number of arguments to support
	the new do-loop pattern and check whether COUNT_REG has no other
	occurences in the loop besides in the control part.
	(duplicate_insns_of_cycles): Do not duplicate the insn which
	changes count_reg as it is already adjusted.
	(generate_prolog_epilog): New argument to support the new
	do-loop pattern.  Change the subtract instruction to use
	expand_simple_binop.  Call duplicate_insns_of_cycles with new
	(sms_schedule): Call doloop_register_get and
	generate_prolog_epilog with new argument.  Do not handle loops
	with single sets insns with subreg in their lhs.
	* loop-doloop.c (doloop_optimize): Support for another do-loop
	(doloop_condition_get): Gets an instruction instead of a pattern
	and change the return condition when the do-loop pattern is
	not parallel.
	* ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
	deps when considering to not create edges.

2007-08-27  Alexandre Oliva  <>

	* doc/extend.texi (gnu_inline funtion attribute): Document C++

2007-08-27  Jason Merrill  <>

	PR c++/31337
	* gimplify.c (gimplify_modify_expr): Discard the assignment of 
	zero-sized types after calling gimplify_modify_expr_rhs.

2007-08-27  Sandra Loosemore  <>

	* regclass.c (init_reg_autoinc): Fix typo.

2007-08-27  Daniel Berlin  <>
	Fix PR tree-optimization/33173
	* tree-ssa-alias.c (find_used_portions): Fix reversed test.

2007-08-27  H.J. Lu  <>

	PR target/31385
	* config/i386/i386.h (VALID_DFP_MODE_P): New.
	* config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in

2007-08-27  Sandra Loosemore  <>
	    David Ung  <>
	    Nigel Stephens <>

	Separate target-specific initialization from general
	back-end initialization.

	* toplev.c (init_alignments): New, split out from...
	(backend_init_target): New, split out from...
	(lang_dependent_init_target): New, split out from...
	(target_reinit): New.
	* toplev.h (target_reinit): Declare.
	* expr.c (init_expr_target): Renamed from init_expr_once, since it
	now can be called more than once.  Update comments.
	* expr.h (init_expr_target): Likewise.
	* alias.c (init_alias_target): Renamed from init_alias_once, since it
	now can be called more than once.  Explicitly zero
	* emit-rtl.c (init_emit_regs): New, split out from...
	(init_emit_once): Here.
	* regclass.c (initial_fixed_regs, initial_call_used_regs): Make
	non-const, so that changes from command-line arguments can overwrite
	values provided by the static initializers.
	(initial_call_really_used_regs): New, used similarly to the above.
	(initial_reg_names): Likewise.
	(last_mode_for_init_move_cost): Promoted function-local static to
	file-scope static to make it accessible outside init_move_cost.
	(init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
	Do not initialize inv_reg_alloc_order yet, either.  Do initialize
	reg_names since it is needed for parsing command-line options.
	(init_move_cost): Use last_mode_for_init_move_cost instead of
	function-local static.
	(init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
	call_really_used_regs now.  Reinitialize reg_names.  Also
	initialize inv_reg_alloc_order.  Zero reg_class_subunion and
	reg_class_superunion.  Clear losing_caller_save_reg_set.
	Preserve global registers if called more than once.  Reset
	move cost, may_move_in_cost, may_move_out_cost, and
	(init_reg_modes_target): Renamed from init_reg_modes_once, since it
	can now be invoked more than once.  Update comments.
	(init_regs): Update comments.
	(fix_register): Update initial_fixed_regs, initial_call_used_regs,
	and initial_call_really_used_regs, instead of the non-initial 
	variables.  This allows us to save the command-line register settings
	after target reinitialization.
	(init_reg_autoinc): Zero forbidden_inc_dec_classes.
	* rtl.h (init_emit_regs): Declare.
	(init_reg_modes_target, init_alias_target): Renamed as described
	* reload1.c (init_reload): Update comments.
	* optabs.c (init_optabs): Likewise.
	* cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
2007-08-26  Chao-ying Fu  <>

	* rtl.h (XCNMPFV): Preserve const-ness of parameters through use of

2007-08-26  Kaveh R. Ghazi  <>

	* alias.c (memory_modified_1, memory_modified_in_insn_p):
	* basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
	* bb-reorder.c (copy_bb_p): Likewise.
	* cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
	predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
	block_ends_with_condjump_p): Likewise.
	* cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
	predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
	block_ends_with_condjump_p): Likewise.
	* cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
	* cfgrtl.c (can_delete_note_p, can_delete_label_p,
	rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
	rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
	need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
	debug_true_const_tree instad of debug_true_tree.
	* debug.c (do_nothing_debug_hooks): Likewise.
	* debug.h (ignore_block, debug_true_const_tree): Constify.
	* dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
	dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
	decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
	same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
	dbx_reg_number, is_based_loc, field_type,
	simple_type_align_in_bits, simple_decl_align_in_bits,
	simple_type_size_in_bits, field_byte_offset, insert_float,
	type_tag, member_declared_type, is_redundant_typedef,
	secname_for_decl, is_inlined_entry_point): Likewise.
	* emit-rtl.c (const_next_insn, const_previous_insn,
	const_next_nonnote_insn, const_prev_nonnote_insn,
	const_next_real_insn, const_prev_real_insn,
	const_next_active_insn, const_prev_active_insn, const_next_label,
	const_prev_label): Likewise.
	* except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
	* haifa-sched.c (may_trap_exp, haifa_classify_insn,
	find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
	sched_insn_is_legitimate_for_speculation_p): Likewise.
	* jump.c (reversed_comparison_code_parts,
	reversed_comparison_code, reversed_comparison, condjump_label):
	* predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
	* reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
	* rtl.h (const_previous_insn, const_next_insn,
	const_prev_nonnote_insn, const_next_nonnote_insn,
	const_prev_real_insn, const_next_real_insn,
	const_prev_active_insn, const_next_active_insn, const_prev_label,
	const_next_label, modified_between_p, modified_in_p,
	const_note_storeskeep_with_call_p, condjump_label,
	reversed_comparison, reversed_comparison_code,
	reversed_comparison_code_parts, memory_modified_in_insn_p,
	stack_regs_mentioned): Likewise.
	* rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
	keep_with_call_p): Likewise.
	* sched-deps.c (deps_may_trap_p, sched_get_condition,
	conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
	sd_lists_size, sd_lists_empty_p): Likewise.
	* sched-int.h (sched_insns_conditions_mutex_p,
	haifa_classify_insn, no_real_insns_p,
	sched_insn_is_legitimate_for_speculation_p, sd_next_list,
	sd_lists_size, sd_lists_empty_p): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
	stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
	-tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
	* tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
	tree_can_throw_internal): Likewise.
	* tree-flow-inline.h (phi_nodes): Likewise.
	* tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
	tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
	* tree-gimple.c (const_get_call_expr_in): Likewise.
	* tree-gimple.h (const_get_call_expr_in): Likewise.
	* tree.c (const_lookup_attribute, attribute_list_equal,
	attribute_list_contained): Likewise.
	* tree.h (attribute_list_equal, attribute_list_contained,
	const_lookup_attribute): Likewise.
	* vmsdbgout.c (vmsdbgout_ignore_block): Likewise.

2007-08-26  Bernhard Fischer  <>

	* tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
	tree-ssa-pre.c: Remove unnecessary trailing whitespace.

2007-08-26  H.J. Lu  <>

	PR target/32991
	* config/alpha/ Delete "svn:mime-type" property
	with svn propdel "svn:mime-type".

2007-08-26  H.J. Lu  <>

	PR middle-end/33181
	* ifcvt.c (noce_get_alt_condition): Make sure that the previous
	non NOTE insn doesn't cross basic block.
	(noce_try_abs): Likewise.
	(noce_process_if_block): Likewise.

2007-08-26  David Edelsohn  <>

	PR target/33151
	* config/rs6000/ (offsettable_mem_operand): Memory
	operand without auto-inc-dec.
	* config/rs6000/ (floatsidf2_internal): Use
	(floatunssidf2_internal): Same.
	(fix_truncdfsi2_internal): Same.
	(floatsidf_ppc64): Same.
	(floatunssidf_ppc64): Same.
	(fix_trunctfsi2_internal): Same.

2007-08-26  Bernhard Fischer  <>

	PR bootstrap/30620
	* (libbackend.o): Add gcov-iov.h dependency and
	pass defines needed for version.c.

2007-08-25  Joseph Myers  <>

	* (--debug-prefix-map check): Change assembler
	version presumed to have feature to 2.18.
	* configure: Regenerate.

2007-08-25  Kaveh R. Ghazi  <>

	* c-common.c (vector_types_convertible_p,
	decl_with_nonnull_addr_p, c_promoting_integer_type_p,
	self_promoting_args_p): Constify.
	* c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
	c_promoting_integer_type_p, self_promoting_args_p,
	anon_aggr_type_p, vector_types_convertible_p): Likewise.
	* c-decl.c (anon_aggr_type_p): Likewise.
	* * c-dump.c (dump_stmt): Likewise.
	* c-objc-common.c (has_c_linkage): Likewise.
	* c-tree.h (same_translation_unit_p): Likewise.
	* c-typeck.c (null_pointer_constant_p,
	tagged_types_tu_compatible_p, function_types_compatible_p,
	type_lists_compatible_p, lvalue_or_else, lvalue_p,
	comptypes_internal, struct tagged_tu_seen_cache,
	same_translation_unit_p, alloc_tagged_tu_seen_cache,
	c_size_in_bytes): Likewise.
	* ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
	hash_ptr, eq_ptr): Likewise.
	* langhooks-def.h (lhd_decl_ok_for_sibcall,
	* langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
	* langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
	* optabs.c (optab_for_tree_code): Likewise.
	* optabs.h (optab_for_tree_code): Likewise.
	* rtl.h (simplify_rtx): Likewise.
	* simplify-rtx.c (simplify_rtx): Likewise.
	* tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
	dump_flag, dump_node): Likewise.
	* tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
	queue_and_dump_type, dump_flag): Likewise.
	* tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
	* tree-pass.h (dump_node): Likewise.
	* tree-vectorizer.c (vect_can_force_dr_alignment_p,
	supportable_narrowing_operation): Likewise.
	* tree-vectorizer.h (vect_can_force_dr_alignment_p,
	supportable_narrowing_operation): Likewise.
	* tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
	is_negative_overflow_infinity, is_positive_overflow_infinity,
	is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
	nonnull_arg_p, get_value_range, vrp_operand_equal_p,
	update_value_range, add_equivalence, ssa_name_nonnegative_p,
	ssa_name_nonzero_p, fp_predicate): Likewise.
	* tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
	* tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
	ssa_name_nonnegative_p): Likewise.

2007-08-25  Hans Kester  <>

	* config.gcc : Add x86_64-elf target.

2007-08-25  Jakub Jelinek  <>

	* expr.c (store_expr): Fix order of store_by_pieces arguments.

2007-08-24  Sandra Loosemore  <>
	    Nigel Stephens <>

	PR target/11787

	* doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
	(STORE_BY_PIECES_P): No longer applies to __builtin_memset.
	* expr.c (SET_BY_PIECES_P): Define.
	(can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
	it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
	(store_expr): Pass MEMSETP argument to can_store_by_pieces and
	* expr.h (SET_RATIO): Define.
	(can_store_by_pieces, store_by_pieces):	Update prototypes.
	* builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
	(expand_builtin_memcpy_args): Likewise.
	(expand_builtin_strncpy): Likewise.
	(expand_builtin_memset_args): Likewise.  Also remove special case
	for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
	decide what to do instead.
	* value-prof.c (tree_stringops_transform): Pass MEMSETP argument
	to can_store_by_pieces.

	* config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
	* config/s390/s390.h (SET_BY_PIECES_P): Likewise.

	* config/mips/mips.opt (mmemcpy): Change from Var to Mask.
	* config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
	* config/mips/mips.h (MIPS_CALL_RATIO): Define.

2007-08-24  Tom Tromey  <>

	* varpool.c (varpool_last_needed_node): Fix comment typo.
	* c-decl.c (duplicate_decls): Fix comment typo.
	(clone_underlying_type): Update comment.

2007-08-24  Kaveh R. Ghazi  <>

	* config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
	alpha_in_small_data_p, alpha_split_complex_arg,
	alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
	* config/arm/arm-protos.h (arm_mangle_type): Likewise.
	* config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
	* config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
	* config/darwin-protos.h (darwin_binds_local_p): Likewise.
	* config/darwin.c (darwin_binds_local_p): Likewise.
	* config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
	* config/i386/i386-protos.h (i386_pe_binds_local_p,
	i386_pe_valid_dllimport_attribute_p): Likewise.
	* config/i386/i386.c (ix86_function_regparm,
	ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
	x86_can_output_mi_thunk, ix86_mangle_type,
	* config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
	i386_pe_binds_local_p): Likewise.
	* config/ia64/ia64.c
	ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
	ia64_invalid_conversion, ia64_invalid_unary_op,
	ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
	* config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
	* config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
	* config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
	* config/mips/mips.c (mips_use_blocks_for_constant_p,
	mips_in_small_data_p, mips_use_anchors_for_symbol_p,
	mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
	mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
	mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
	* config/pa/pa.c (pa_commutative_p): Likewise.
	* config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
	* config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
	rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
	rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
	invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
	TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
	* config/s390/s390.c (s390_mangle_type,
	* config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
	th_in_small_data_p): Likewise.
	* config/sh/sh.c (sh_ms_bitfield_layout_p,
	sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
	* config/sparc/sparc.c (sparc_can_output_mi_thunk,
	sparc_mangle_type): Likewise.
	* config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
	* config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
	* emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
	* hooks.c (hook_bool_mode_const_rtx_false,
	hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
	hook_constcharptr_int_const_tree_const_tree_null): New.
	(hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
	hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
	hook_int_tree_tree_1, hook_constcharptr_tree_null,
	hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
	hook_constcharptr_int_tree_tree_null): Delete.
	(default_can_output_mi_thunk_no_vcall): Constify.
	* hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
	hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
	hook_int_tree_tree_1, hook_constcharptr_tree_null,
	hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
	hook_constcharptr_int_tree_tree_null): Delete.
	(hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
	hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
	hook_constcharptr_int_const_tree_const_tree_null): New.
	(default_can_output_mi_thunk_no_vcall): Constify.
	* integrate.c (function_attribute_inlinable_p): Likewise.
	* integrate.h (function_attribute_inlinable_p): Likewise.
	* jump.c (rtx_renumbered_equal_p): Likewise.
	* output.h (decl_readonly_section, categorize_decl_for_section,
	default_use_anchors_for_symbol_p, default_binds_local_p,
	default_binds_local_p_1): Likewise.
	* rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
	* target.h (can_output_mi_thunk, needs_block_p,
	vector_alignment_reachable, comp_type_attributes,
	function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
	commutative_p, use_blocks_for_constant_p,
	use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
	vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
	invalid_within_doloop, valid_dllimport_attribute_p,
	split_complex_arg, invalid_arg_for_unprototyped_fn,
	invalid_conversion, invalid_unary_op, invalid_binary_op):
	* targhooks.c (default_invalid_within_doloop,
	default_builtin_vector_alignment_reachable): Likewise.
	(hook_bool_rtx_commutative_p): Delete.
	(hook_bool_const_rtx_commutative_p): New.
	* targhooks.h (default_invalid_within_doloop,
	hook_invalid_arg_for_unprototyped_fn): Constify.
	(hook_bool_rtx_commutative_p): Delete.
	(hook_bool_const_rtx_commutative_p): New.
	* varasm.c (bss_initializer_p, decl_default_tls_model,
	categorize_decl_for_section, decl_readonly_section,
	default_use_anchors_for_symbol_p, default_binds_local_p,
	default_binds_local_p_1): Constify.

2007-08-24  Jie Zhang  <>

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__NO_BUILTIN if -fno-builtin.

2007-08-24  Jie Zhang  <>

	* config/bfin/bfin.c (print_operand): Report error instead of
	ICE for wrong operand.

2007-08-24  Michael Matz  <>

	* (GTFILES_H): Use $(patsubst) instead of $(subst).

2007-08-24  Richard Guenther  <>

	PR middle-end/33166
	* tree-ssa.c (useless_type_conversion_p): Split into a
	recursive and a non-recursive part.
	(useless_type_conversion_p_1): New function.
	* tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
	from maybe_fold_offset_to_reference is trivially convertible
	to the desired type before doing the simplification.

2007-08-24  Jakub Jelinek  <>

	* expr.c (store_expr): Optimize initialization of an array
	* expr.h (builtin_strncpy_read_str): New prototype.
	* builtins.c (builtin_strncpy_read_str): Remove prototype.
	No longer static.

2007-08-24  Uros Bizjak  <>

	PR middle-end/33157
	* ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
	field when initializing if_info structure.

2007-08-24  Richard Guenther  <>

	* (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
	* c-objc-common.c (c_cannot_inline_tree_fn): Remove.
	* langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
	* tree-inline.c (inlinable_function_p): Fold in common parts of
	the cannot_inline_tree_fn langhook.
	* langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
	cannot_inline_tree_fn langhook.
	* langhooks.h (struct lang_hooks_for_tree_inlining): Remove
	cannot_inline_tree_fn member.

2007-08-24  Richard Guenther  <>

	* expr.c (get_inner_reference): Do computation of bitoffset
	from offset in a way we can detect overflow reliably.

2007-08-24  Jie Zhang  <>

	* crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.

2007-08-24  Jie Zhang  <>

	* config/bfin/bfin.opt (mfast-fp): Add.
	* config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
	libbffastfp override libgcc if -mfast-fp.
	* config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
	* doc/invoke.texi (Option Summary): Mention -mfast-fp.
	(Blackfin Options): Document -mfast-fp.

2007-08-24  Jakub Jelinek  <>

	PR tree-optimization/32573
	PR middle-end/32946
	* tree-data-ref.c (initialize_data_dependence_relation): Clear
	(finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
	(build_classic_dist_vector): Return false rather than true if
	DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
	if either subscript_dependence_tester_1 or build_classic_dist_vector_1
	returned false.  Don't call save_dist_v before calling
	(free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
	DDR_DIR_VECTS vectors.

2007-08-23  Brian Sidebotham  <>

	* (leb128): Modify sed statement to work with any
	binutils version string.
	* configure: Regenerate

2007-08-23  Kaveh R. Ghazi  <>

	* config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
	Wrap in RTX_CODE macro guard.
	* config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
	arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
	arm_mark_dllimport, arm_pe_encode_section_info,
	arm_pe_unique_section): Use ISO-C function declarations.
	* config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
	c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
	c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
	* config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
	* config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
	* config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
	* config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
	* config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
	(register_move_cost): Use ISO-C function declarations.
	* config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
	* config/score/score-protos.h (score_declare_object): Add
	* config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
	* final.c (profile_function): Avoid empty if-bodies.
	* calls.c (must_pass_in_stack_var_size,
	must_pass_in_stack_var_size_or_pad): Constify.
	* config/alpha/alpha-protos.h (function_value): Likewise.
	* config/alpha/alpha.c (alpha_return_in_memory,
	alpha_pass_by_reference, function_value,
	unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
	* config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
	* config/arm/arm-protos.h (arm_return_in_memory,
	arm_pad_arg_upward, arm_function_value): Likewise.
	* config/arm/arm.c (arm_pass_by_reference,
	arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
	arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
	* config/avr/avr-protos.h (avr_function_value): Likewise.
	* config/avr/avr.c (avr_return_in_memory,
	gas_output_limited_string, gas_output_ascii, avr_function_value,
	avr_return_in_memory): Likewise.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
	* config/bfin/bfin.c (bfin_pass_by_reference,
	bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
	* config/cris/cris.c (cris_pass_by_reference,
	* config/crx/crx.c (crx_return_in_memory): Likewise.
	* config/darwin.c (function_base, machopic_function_base_name):
	* config/fr30/fr30.c (fr30_must_pass_in_stack,
	* config/frv/frv.c (frv_must_pass_in_stack): Likewise.
	* config/h8300/h8300.c (h8300_return_in_memory): Likewise.
	* config/i386/i386-protos.h (ix86_return_in_memory,
	ix86_sol10_return_in_memory): Likewise.
	* config/i386/i386.c (ix86_function_value,
	ix86_function_sseregparm, ix86_must_pass_in_stack,
	type_natural_mode, classify_argument, examine_argument,
	construct_container, ix86_pass_by_reference, function_value_32,
	function_value_64, ix86_function_value_1, return_in_memory_32,
	return_in_memory_64, return_in_memory_ms_64,
	ix86_return_in_memory, ix86_sol10_return_in_memory,
	* config/ia64/ia64-protos.h (ia64_function_value,
	ia64_hpux_function_arg_padding): Likewise.
	* config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
	ia64_function_value, bundle_state_hash, bundle_state_eq_p,
	ia64_hpux_function_arg_padding): Likewise.
	* config/iq2000/iq2000-protos.h (function_arg,
	iq2000_function_value): Likewise.
	* config/iq2000/iq2000.c (iq2000_return_in_memory,
	iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
	function_arg, iq2000_function_value): Likewise.
	* config/m32c/m32c-protos.h (m32c_function_value,
	m32c_promote_function_return): Likewise.
	* config/m32c/m32c.c (m32c_pass_by_reference,
	m32c_promote_prototypes, m32c_promote_function_return,
	m32c_function_value): Likewise.
	* config/m32r/m32r.c (m32r_return_in_memory,
	m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
	m32r_in_small_data_p): Likewise.
	* config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
	* config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
	m68hc11_function_arg_padding): Likewise.
	* config/m68k/m68k-protos.h (m68k_function_value): Likewise.
	* config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
	m68k_function_value): Likewise.
	* config/mcore/mcore-protos.h (mcore_num_arg_regs,
	mcore_function_value): Likewise.
	* config/mcore/mcore.c (handle_structs_in_regs,
	mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
	mcore_num_arg_regs, mcore_function_value): Likewise.
	* config/mips/mips-protos.h (mips_pad_arg_upward,
	mips_function_value): Likewise.
	* config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
	mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
	TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
	mips_function_value): Likewise.
	* config/mmix/mmix-protos.h (mmix_function_outgoing_value):
	* config/mmix/mmix.c (mmix_pass_by_reference,
	TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
	mmix_encode_section_info): Likewise.
	* config/mn10300/mn10300-protos.h (mn10300_function_value):
	* config/mn10300/mn10300.c (mn10300_return_in_memory,
	mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
	mn10300_function_value): Likewise.
	* config/mt/mt-protos.h (mt_function_value): Likewise.
	* config/mt/mt.c (mt_pass_by_reference, mt_function_value,
	mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/pa/pa-protos.h (function_arg_padding, function_value,
	pa_return_in_memory): Likewise.
	* config/pa/pa.c (pa_pass_by_reference,
	function_arg_padding, function_value, pa_return_in_memory):
	* config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
	* config/rs6000/rs6000-protos.h (rs6000_function_value,
	function_arg_padding): Likewise.
	* config/rs6000/rs6000.c (rs6000_return_in_memory,
	rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
	rs6000_pass_by_reference, rs6000_must_pass_in_stack,
	function_arg_padding, altivec_expand_dst_builtin,
	altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
	altivec_init_builtins, rs6000_common_init_builtins,
	rs6000_function_value): Likewise.
	* s390/s390-protos.h (s390_function_value): Likewise.
	* config/s390/s390.c (s390_function_arg_size,
	s390_pass_by_reference, s390_return_in_memory,
	s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
	* config/score/score-protos.h (score_function_value): Likewise.
	* config/score/score.c (score_arg_partial_bytes,
	TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
	score_pass_by_reference, score_add_offset, score_function_value):
	* config/sh/sh-protos.h (sh_attr_renesas_p,
	sh_promote_prototypes): Likewise.
	* config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
	sh_callee_copies, sh_promote_prototypes, shcompact_byref,
	sh_attr_renesas_p): Likewise.
	* config/sparc/sparc-protos.h (function_value,
	function_arg_padding): Likewise.
	* config/sparc/sparc.c (sparc_promote_prototypes,
	sparc_return_in_memory, sparc_pass_by_reference,
	function_arg_record_value_2, function_arg_record_value_1,
	function_arg_record_value, function_arg_record_value,
	function_arg_padding, function_value): Likewise.
	* config/spu/spu-protos.h (spu_function_value): Likewise.
	* config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
	spu_function_value): Likewise.
	* config/stormy16/stormy16-protos.h (xstormy16_function_value):
	* config/stormy16/stormy16.c (xstormy16_return_in_memory,
	xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
	* config/v850/v850.c (v850_return_in_memory,
	v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
	* config/xtensa/xtensa.c (xtensa_return_in_msb,
	xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
	* explow.c (promote_mode, hard_function_value): Likewise.
	* expr.h (hard_function_value, promote_mode): Likewise.
	* function.c (aggregate_value_p): Likewise.
	* hooks.c (hook_bool_const_tree_true): New.
	* hooks.h (hook_bool_const_tree_true): New.
	* sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
	* target.h (promote_function_args, promote_function_return,
	promote_prototypes, return_in_memory, return_in_msb,
	pass_by_reference, must_pass_in_stack, callee_copies,
	function_value): Likewise.
	* targhooks.c (default_return_in_memory,
	default_function_value): Likewise. 
	* targhooks.h (default_return_in_memory,
	default_function_value): Likewise.
	* tree-ssa-structalias.c (const_equiv_class_label_t): New.
	(equiv_class_label_hash, equiv_class_label_eq): Constify.
	* tree-vectorizer.c (bb_in_loop_p): Likewise.
	* tree.c (needs_to_live_in_memory): Likewise.
	* tree.h (struct tree_type, needs_to_live_in_memory,
	aggregate_value_p, must_pass_in_stack_var_size,
	must_pass_in_stack_var_size_or_pad): Likewise.
	* vmsdbgout.c (write_debug_addr, write_debug_delta4,
	write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
	lookup_filename): Likewise.

2007-08-23  Uros Bizjak  <>

	PR target/17390
	* config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
	fake fcomi i387 instruction for !TARGET_CMOVE.
	(ix86_expand_branch): Expand natural sequence with one jump for
	all targets, not only TARGET_CMOVE.
	* config/i386/ (*cmpfp_0_cc): New define_insn_and_split
	pattern to implement fake fcomi sequence.  Split instruction after
	reload to correct compare sequences.
	(*cmpfp_xf_cc): Ditto.
	(*cmpfp_<mode>_cc): Ditto.
	(*cmpfp_u_cc): Ditto.
	(*cmpfp_<mode>_cc): Ditto.

2007-08-23  Richard Guenther  <>

	* tree-pretty-print.c (dump_generic_node): Annotate
	GIMPLE_MODIFY_STMTs with volatile ops with "{v}".

2007-08-23  Richard Guenther  <>

	* builtins.c (expand_builtin_mathfn): Wrap argument in
	save_expr directly instead of re-building the call.
	(expand_builtin_mathfn_2): Likewise.
	(expand_builtin_mathfn_3): Likewise.
	(expand_builtin_interclass_mathfn): Likewise.
	(expand_builtin_int_roundingfn): Set arg.
	(expand_builtin_int_roundingfn_2): Likewise.

2007-08-23  Paolo Bonzini  <>

	* config/i386/ (*sse_and<mode>3, *sse_ior<mode>3,
	*sse_nand<mode>3, *sse_xor<mode>3): New.

2007-08-23  Uros Bizjak  <>

	* config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
	* config/i386/i386.c (print_operand): Handle ';' code.  Output
	semicolon for TARGET_MACHO.
	* config/i386/ (*sync_compare_and_swap<mode>): Use '%;' to
	emit semicolon after 'lock' prefix.
	(sync_double_compare_and_swap<mode>): Ditto.
	(*sync_double_compare_and_swapdi_pic): Ditto.
	(*sync_compare_and_swap_cc<mode>): Ditto.
	(sync_double_compare_and_swap_cc<mode>): Ditto.
	(*sync_double_compare_and_swap_ccdi_pic): Ditto.
	(sync_old_add<mode>): Ditto.
	(sync_add<mode>): Ditto.
	(sync_sub<mode>): Ditto.
	(sync_ior<mode>): Ditto.
	(sync_and<mode>): Ditto.
	(sync_xor<mode>): Ditto.

2007-08-22  Chao-ying Fu  <>

	* rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
	(copy_rtx): Handle CONST_FIXED.
	(rtx_equal_p): Likewise.
	* rtl.h (fixed_value.h): New include.
	(rtx_def): Add a new field of fixed_value to u.
	(XCNMPFV): Define for accessing fixed_value.
	* rtl.def (CONST_FIXED): New constant.
	US_ASHIFT): New codes.
	* doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
	us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
	unsigned_fract_convert, unsigned_sat_fract): Document them.
	* varasm.c (assemble_integer): Extend to support fixed-point constants
	by using different machine classes.
	(decode_addr_const): Handle FIXED_CST.
	(const_hash_1): Likewise.
	(compare_constant): Likewise.
	(copy_constant): Likewise.
	(const_rtx_hash_1): Handle CONST_FIXED.
	(output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
	(initializer_constant_valid_p): Handle FIXED_CST.
	(output_constant): Support FIXED_POINT_TYPE.
	* gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
	* cse.c (hash_rtx): Support CONST_FIXED.
	(exp_equiv_p): Likewise.
	(cannon_reg): Likewise.
	(fold_rtx): Likewise.
	(equiv_constant): Likewise.
	(cse_process_notes_1): Likewise.
	(count_reg_usage): Likewise.
	* cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
	(rtx_equal_for_cselib_p): Handle CONST_FIXED.
	(wrap_constant): Check CONST_FIXED.
	(cselib_hash_rtx): Support CONST_FIXED.
	(cselib_subst_to_values): Likewise.
	* df-scan.c (df_uses_record): Likewise.
	* gcse.c (want_to_gcse_p): Likewise.
	(oprs_unchanged_p): Likewise.
	(oprs_not_set_p): Likewise.
	(compute_transp): Likewise.
	(extract_mentioned_regs_helper): Likewise.
	* genemit.c (gen_exp): Likewise.
	* local-alloc.c (equiv_init_varies_p): Likewise.
	(contains_replace_regs): Likewise.
	(memref_referenced_p): Likewise.
	* loop-invariant.c (check_maybe_invariant): Likewise.
	(hash_invariant_expr_1): Likewise.
	(invariant_expr_equal_p): Likewise.
	* postreload-gcse.c (oprs_unchanged_p): Likewise.
	* regclass.c (reg_scan_mark_refs): Likewise.
	* regrename.c (scan_rtx): Likewise.
	* resource.c (mark_referenced_resources): Likewise.
	(mark_set_resources): Likewise.
	* rtlanal.c (rtx_unstable_p): Likewise.
	(rtx_varies_p): Likewise.
	(count_occurrences): Likewise.
	(reg_mentioned_p): Likewise.
	(modified_between_p): Likewise.
	(modified_in_p): Likewise.
	(volatile_insn_p): Likewise.
	(volatile_refs_p): Likewise.
	(side_effects_p): Likewise.
	(may_trap_p_1): Likewise.
	(inequality_comparisons_p): Likewise.
	(computed_jump_p_1): Likewise.
	(commutative_operand_precedence): Likewise.
	* sched-deps.c (sched_analyze_2): Likewise.
	* sched-vis.c (print_value): Likewise.
	* reload.c (operands_match_p): Likewise.
	(subst_reg_equivs): Likewise.
	* reload1.c (eliminate_regs_1): Likewise.
	(elimination_effects): Likewise.
	(scan_paradoxical_subregs): Likewise.
	* alias.c (rtx_equal_for_memref_p): Likewise.
	* (RTL_BASE_H): Add fixed-value.h.
	* emit-rtl.c (const_fixed_htab): New hash table.
	(const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
	(const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
	const_fixed_from_fixed_value): New functions.
	(verify_rtx_sharing): Handle CONST_FIXED.
	(copy_rtx_if_shared_1): Likewise.
	(reset_used_flags): Likewise.
	(set_used_flags): Likewise.
	(copy_insn_1): Likewise.
	(init_emit_once): Create const_fixed_htab.
	Store fixed-point scalar and vector zero and one to const_tiny_rtx.

2007-08-22  Zdenek Dvorak  <>

	PR tree-optimization/32949
	* tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
	before failing for ivs with non-constant step.

2007-08-22  Hans-Peter Nilsson  <>

	* doc/md.texi (Iterators): Renamed from Macros.  All contents
	changed to reflect rename of respectively define_code_macro and
	define_mode_macro to define_code_iterator and define_mode_iterator.
	(Mode Iterators, Code Iterators): Similar.
	* read-rtl.c (struct iterator_group, struct iterator_traverse_data)
	(uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
	(apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
	(initialize_iterators, find_iterator, check_code_iterator)
	(map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
	(read_mapping, read_rtx_1): Similar.
	* config/alpha/, config/alpha/, config/frv/,
	config/s390/, config/m32c/, config/m32c/,
	config/spu/, config/sparc/, config/sparc/,
	config/i386/, config/i386/, config/i386/,
	config/i386/, config/crx/, config/xtensa/,
	config/cris/cris.c, config/cris/, config/ia64/,
	config/ia64/, config/ia64/, config/ia64/,
	config/m68k/, config/rs6000/, config/rs6000/,
	config/rs6000/, config/rs6000/,
	config/arm/, config/arm/, config/arm/,
	config/arm/, config/mips/, config/mips/,
	config/vax/, config/bfin/ Similar.

2007-08-22  David Daney  <>

	* doc/install.texi (Testing): Mention testing on a simulator.

2007-08-22  Janis Johnson  <>

	* config/dfp-bit.c (DFP_TO_DFP): Check for overflow.

	* doc/libgcc.texi (Decimal float library routines): Fix formatting
	and rearrange floating point conversion functions into different

2007-08-22  Maxim Kuvyrkov  <>

	* target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
	dfa_post_advance_cycle): New scheduler hooks.
	TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
	new hooks.
	(TARGET_SCHED): Use them.
	* haifa-sched.c (advance_one_cycle): Invoke new hooks.

	* genautomata.c (insn_has_dfa_reservation_p): New DFA interface
	function to facilitate debugging.
	(output_insn_has_dfa_reservation_p): New static function to output
	insn_has_dfa_reservation_p ().
	(write_automata): Use it.
	* genattr.c (main): Output declaration for
	insn_has_dfa_reservation_p ().

2007-08-22  Christian Bruel  <>	
	    Richard Guenther <>
	* fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
	* simplify_rtx (simplify_binary_operation_1): Likewise.
2007-08-22  Rask Ingemann Lambertsen  <>

	PR rtl-optimization/32557
	* df-problems.c (df_note_bb_compute): Use mws->start_regno instead
	of REGNO (mws->mw_reg).

2007-08-22  Richard Guenther  <>

	PR middle-end/33007
	* builtins.c (expand_builtin_int_roundingfn): Replace call
	argument wrapped with SAVE_EXPR directly.
	(expand_builtin_int_roundingfn_2): Likewise.

2007-08-22  Richard Guenther  <>

	* tree-inline.c (inlinable_function_p): Restore disregarding
	inline limits for GNU extern inline functions.

2007-08-22  Richard Guenther  <>

	PR middle-end/32563
	* tree.c (host_integerp): Treat sizetype as signed as it is

2007-08-21  Ian Lance Taylor  <>

	PR tree-optimization/33134
	* tree-vrp.c (adjust_range_with_scev): Call

2007-08-21  Aldy Hernandez  <>

	* value-prof.h (gimple_remove_histogram_value): Remove duplicate
2007-08-21  Aldy Hernandez  <>

	* tree-flow-inline.h (next_imm_use_stmt): Remove unecessary

2007-08-21  Nathan Froyd  <>

	* config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
	cases to set eight bytes at a time.
	(expand_block_move): Likewise.
2007-08-21  Jakub Jelinek  <>

	PR debug/32610
	* dwarf2out.c (gen_decl_die): Don't call
	gen_tagged_type_instantiation_die if decl doesn't have tagged type.

2007-08-21  Paul Brook  <>
	    Nathan Sidwell  <>
	    Mark Mitchell  <>
	    Joseph Myers  <>

	* Add --with-pkgversion and --with-bugurl.
	* configure: Regenerate.
	* doc/install.texi: Document them.
	* version.c (version_string): Remove VERSUFFIX.
	(VERSUFFIX): Remove.
	(pkgversion_string): New.
	(bug_report_url): Do not hard-code initializer.
	* version.h (pkgversion_string): Declare.
	(version.o): Define PKGVERSION and BUGURL.
	(gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
	(%.pod): Define BUGURL.
	* gcc.c (process_command, main): Use pkgversion_string.
	* toplev.c (compile_file, print_version): Likewise.
	* protoize.c (main): Likewise.
	* gcov.c (print_version): Likewise.  Update copyright date.
	* gcov-dump.c (print_version): Likewise.  Update copyright date.
	* mips-tdump.c (main): Likewise.  Update copyright date.
	* mips-tfile.c (main): Likewise.  Update copyright date.
	* doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
	* doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
	shorten description.
	* doc/gcc.texi: Include VERSION_PACKAGE in version description.
	* doc/gccint.texi: Likewise.
	* doc/invoke.texi: Use BUGURL for bug-reporting instructions.
	Update copyright date.

2007-08-21  Uros Bizjak  <>

	* config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
	(ix86_expand_strlensi_unroll_1): Ditto.
	(ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
	(ix86_expand_carry_flag_compare): Update comment.

2007-08-21  Jakub Jelinek  <>

	PR middle-end/32912
	* fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
	(fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.

2007-08-21  Richard Guenther  <>

	* fold-const.c (fold_binary): Revert removing of index +p PTR folding.

2007-08-21  Richard Guenther  <>

	PR middle-end/33122
	* fold-const.c (fold_binary): Remove index +p PTR folding.
	Fix types of POINTER_PLUS_EXPR generated by folding of
	(PTR +p B) +p A.

2007-08-20  Chao-ying Fu  <>

	* c-common.h (enum rid): Add new enumeration values of RID_SAT,
	RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
	RID_ONEWAY, so that it can be checked in declspecs_add_type.
	(c_common_fixed_point_type_for_size): Declare.
	* c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
	(c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
	(c_token_starts_declspecs): Likewise.
	(c_parser_declspecs): Likewise.
	(c_parser_attributes): Likewise.
	* c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
	(c_declspecs): Add saturating_p.
	* c-decl.c (build_null_declspecs): Initialize saturating_p.
	(declspecs_add_type): Avoid using complex with _Fract, _Accum, or
	_Sat.  Handle RID_SAT.
	Avoid using void, bool, char, int, float, double, _Decimal32,
	_Decimal64, _Decimal128, and complex with _Sat.
	Make sure _Sat is used with _Fract or _Accum.
	(finish_declspecs): Handle cts_fract and cts_accum.
	* c-common.c (fixed-value.h): New include.
	(constant_expression_warning): Handle FIXED_CST.
	(overflow_warning): Likewise.
	(warnings_for_convert_and_check): Likewise.
	(c_common_fixed_point_type_for_size): New.
	(c_common_type_for_mode): Handle fixed-point modes to
	return various saturating/non-saturating, signed/unsigned types.
	(c_common_signed_or_unsigned_type): Support fixed-point types.
	(shorten_compare): Check fixed-point zero.
	(c_common_truthvalue_conversion): Handle FIXED_CST.
	(c_common_nodes_and_builtins): Record builtin types for fixed-point
	(handle_mode_attribute): Handle fixed-point modes.  Need to check
	if the signness of base type and fixed-point modes are consistent.
	(handle_vector_size_attribute): Handle fixed-point modes.
	(same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
	(warn_for_div_by_zero): Check fixed-point zero.
	* c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
	a common fixed-point type based on fbit, ibit, sign, and saturation.
	(build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
	(convert_for_assignment): Support FIXED_POINT_TYPE.
	(digest_init): Handle FIXED_POINT_TYPE.
	(build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
	* target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
	* target.h (gcc_target): Add fixed_point_supported_p.
	* targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
	(default_fixed_point_supported_p): Define.
	* targhooks.h (default_fixed_point_supported_p): Declare.
	* doc/install.texi (Configuration): Add --enable-fixed-point.
	* (--enable-fixed-point): New to enable fixed-point
	arithmetic extension to C.  For mips targets, we enable it by default.
	* configure, Regenerate.

2007-08-20  Pawel Sikora  <>

	* doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.

2007-08-20  David Edelsohn  <>

	* dwarf2out.c (text_section_used): Move declaration outside ifdef
	(cold_text_section_used): Same.
	(cold_text_section): Same.

2007-08-20  Richard Guenther  <>

	* c-typeck.c (convert_for_assignment): Use the type of
	the member for the initialization.

2007-08-20  Richard Guenther  <>

	* c-objc-common.c (c_disregard_inline_limits): Remove.
	* c-objc-common.h (c_disregard_inline_limits): Likewise.
	* cgraphunit.c (cgraph_process_new_functions): Call
	(cgraph_preserve_function_body_p): Likewise.
	* ipa-inline.c (compute_inline_parameters): Likewise.
	* langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
	disregard_inline_limits langhook.
	* langhooks.c (lhd_tree_inlining_disregard_inline_limits):
	* langhooks.h (lang_hooks_for_tree_inlining): Remove
	disregard_inline_limits langhook.
	* tree-inline.c (disregard_inline_limits_p): New function.
	* tree-inline.h (disregard_inline_limits_p): Declare.

2007-08-20  Richard Guenther  <>

	* langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
	auto_var_in_fn_p langhook.
	* langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
	move ...
	* tree.c (auto_var_in_fn_p): ... here.
	(find_var_from_fn): Call auto_var_in_fn_p directly.
	* langhooks.h (lang_hooks_for_tree_inlining): Remove
	auto_var_in_fn_p langhook.
	* tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
	(copy_body_r): Likewise.
	(self_inlining_addr_expr): Likewise.
	* tree.h (auto_var_in_fn_p): Declare.

2007-08-20  Richard Guenther  <>

	* tree.c (WALK_SUBTREE): Call walk_tree_1.
	(walk_type_fields): Take lh parameter.
	(walk_tree): Rename to ...
	(walk_tree_1): ... this.  Do not call the walk_subtrees
	langhook but the now passed callback.  Pass lh on recursion.
	(walk_tree_without_duplicates): Rename to ...
	(walk_tree_without_duplicates_1): ... this.  Take lh parameter
	and call walk_tree_1.
	* tree.h (walk_tree_lh): New typedef.
	(walk_tree_1): Declare.
	(walk_tree_without_duplicates_1): Likewise.
	(walk_tree): New define to walk_tree_1 with NULL lh parameter.
	(walk_tree_without_duplicates): New define to
	walk_tree_without_duplicates_1 with NULL lh parameter.
	* langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
	* langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
	* langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.

2007-08-20  Andrew Pinski  <>

	PR middle-end/30564
	* tree-inline.c (optimize_inline_calls): Move the cgraph checking
	code in front of the compacting of basic blocks.
	Move the folding of statements inbetween the cgraph checking
	and compacting of basic blocks.

2007-08-19  Andrew Pinski  <>
	   Serge Belyshev  <>

	PR target/32522
	* config/alpha/alpha.c (va_list_skip_additions): Check for
	(alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
	PLUS_EXPR when checking ap.__base.
	(alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
	when doing addition on pointer types.  Use size_int instead of
	(alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
	ptr_type in the second operand.

2007-08-19  Andrew Pinski  <>

	PR target/33115
	* config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.

2007-08-19  Andrew Pinski  <>

	PR middle-end/32940
	* cfgexpand.c  (expand_one_register_var): Mark pointer
	* stmt.c (expand_decl): Likewise.

2007-08-19  Daniel Berlin  <>

	Fix PR 32772
	Fix PR 32716
	Fix PR 32328
	Fix PR 32303

	* tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
	* tree-ssa-alias.c (init_transitive_clobber_worklist): Add
	on_worklist argument and avoid adding things to worklist multiple
	(add_to_worklist): Ditto.
	(mark_aliases_call_clobbered): Mark entire structure clobbered if
	single SFT is clobbered.
	(set_initial_properties): Ditto.
	(compute_call_clobbered): Update for changes to function
	(create_overlap_variables_for): Always create SFT for offset 0.
	(create_structure_vars): Handle PHI's, since we are in SSA form at
	this point.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
	* tree-ssa-operands.c (access_can_touch_variable): Don't handle
	(add_vars_for_offset): Figure out aliases from access + points-to.
	(add_virtual_operand): Use add_vars-for_offset.
	(get_tmr_operands): Update for NMT changes, rewrite to be correct.
	(add_call_clobber_ops): Remove makes_clobbering_call set.
	(get_expr_operands): Always pass through the INDIRECT_REF
	* tree-ssa-structalias.c (struct constraint_graph): Remove
	variables member.
	Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
	address_taken, pt_used, number_incoming.
	(FIRST_ADDR_NODE): Removed.
	(merge_graph_nodes): Remove broken code for the moment.
	(init_graph): New function.
	(build_pred_graph): Remove code to init_graph.
	Add location equivalence support.
	(struct scc_info): Rename roots to deleted.
	(scc_visit): Ditto.
	(init_scc_info): Ditto
	(init_topo_info): Use graph->size.
	(compute_topo_order): Ditto.
	(do_da_constraint): Removed.
	(do_sd_constraint): Remove calls to find().
	set_union_with_increment should always get 0 as last arg here.
	(do_complex_constraint): Replace do_da_constraint with assert.
	Stop calling find.
	(struct equiv_class_label): New.
	(pointer_equiv_class_table): Ditto.
	(location_equiv_class_table): Ditto.
	(equiv_class_label_hash): Ditto.
	(equiv_class_label_eq): Ditto
	(equiv_class_lookup): Ditto.
	(equiv_class_ladd): Ditto.
	(pointer_equiv_class): Ditto.
	(location_equiv_class): Ditto.
	(condense_visit): Rename and rewrite from label_visit to do only
	SCC related stuff for HU.
	(label_visit): Do HU work for HU.
	(perform_var_substitution): Update to do HU and location
	(free_var_substitution_info): Update to free HU and location
	equivalence structures.  */
	(find_equivalent_node): Update for pointer but not location
	(unite_pointer_equivalences): New function.
	(move_complex_constraints): Rewrite to only do moving.
	(rewrite_constraints): Split out of move_complex_constraints.
	(solve_graph): Use graph->size.
	(process_constraint_1): Add from_call argument, use it.
	Split *a = &b into two constraints.
	(process_constraint): Use new process_constraint_1.
	(get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
	(get_constraint_for): Handle non-pointer integers properly.
	Remove code that used to handle structures.
	(handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
	with unknown addends.
	(handle_rhs_call): New function.
	(find_func_aliases): Use handle_rhs_call.
	(set_uids_in_ptset): Add an assert.
	(set_used_smts): Fix bug in not considering unified vars.
	(compute_tbaa_pruning): Stop initing useless iteration_obstack.
	(compute_points_to_sets): Update for other function changes.
	(delete_points_to_sets): Ditto.
	(ipa_pta_execute): Ditto.
	(pass_ipa_pta): We need to update SSA after ipa_pta.
2007-08-19  Jan Hubicka  <>

	* config/i386/ Replace "rim" and "mri" constraints by "g".

2007-08-19  Joseph Myers  <>

	* dwarf2out.c (text_section_used, cold_text_section_used,
	cold_text_section, dwarf2out_note_section_used): New.
	(dwarf2out_init): Initialize cold_text_section.
	(dwarf2out_switch_text_section, dwarf2out_begin_function): Call
	(size_of_aranges): Only count entry for text section if it was
	used.  Count entry for cold text section if it was used.
	(output_aranges): Only output entries for text section and cold
	text section if they were used.

2007-08-19  Andrew Pinski  <>

	* tree-pretty-print.c (debug_generic_expr): Add a comment about
	the function.
	(debug_generic_stmt): Likewise.
	(debug_tree_chain): Likewise.

2007-08-19  Dorit Nuzman  <>

	* tree-data-refs.c (split_constant_offset): Expose.
	* tree-data-refs.h (split_constant_offset): Add declaration.

	* tree-vectorizer.h (dr_alignment_support): Renamed
	dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
	Added a new value dr_explicit_realign.
	(_stmt_vec_info): Added new fields: dr_base_address, dr_init,
	dr_offset, dr_step, and dr_aligned_to, along with new access
	functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,

	* tree-vectorizer.c (vect_supportable_dr_alignment): Add
	In case of outer-loop vectorization with non-fixed misalignment - use
	the dr_explicit_realign scheme instead of the optimized realignment
	(new_stmt_vec_info): Initialize new fields.

	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
	'nested_in_vect_loop' case. Change verbosity level.
	(vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
	Don't fail on zero step in the outer-loop for loads.
	(vect_analyze_data_refs): Call split_constant_offset to calculate
	base, offset and init relative to the outer-loop.

	* tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
	BSI function argument with a new function argument - at_loop.
	Simplify the condition that determines STEP. Takes additional argument
	INV_P. Support outer-loop vectorization (handle the
	nested_in_vect_loop case), including zero step in the outer-loop. Call
	vect_create_addr_base_for_vector_ref with additional argument.
	(vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
	Updated function documentation. Handle the 'nested_in_vect_loop' case.
	Fixed and simplified calculation of step.
	(vectorizable_store): Call vect_create_data_ref_ptr with loop instead
	of bsi, and with additional argument. Call bump_vector_ptr with
	additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
	(vect_setup_realignment): Takes additional arguments INIT_ADDR and
	DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
	when the realignment setup needs to take place inside the loop.
	Support the dr_explicit_realign scheme. Allow generating the optimized
	realignment scheme for outer-loop vectorization. Added documentation.
	(vectorizable_load): Support the dr_explicit_realign scheme. Handle
	the 'nested_in_vect_loop' case, including loads that are invariant in
	the outer-loop and the realignment schemes. Handle the case when the
	realignment setup needs to take place inside the loop. Call
	vect_setup_realignment with additional arguments.  Call
	vect_create_data_ref_ptr with additional argument and with loop instead
	of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
	(vect_gen_niters_for_prolog_loop): Call
	vect_create_addr_base_for_vector_ref with additional arguments.
	(vect_create_cond_for_align_checks): Likewise.
	(bump_vector_ptr): Updated to support the new dr_explicit_realign
	scheme: takes additional argument bump; argument ptr_incr is now
	optional; updated documentation.
	(vect_init_vector): Takes additional argument (bsi). Use it, if
	available, to insert the vector initialization.
	(get_initial_def_for_induction): Pass additional argument in call to
	(vect_get_vec_def_for_operand): Likewise.
	(vect_setup_realignment): Likewise.
	(vectorizable_load): Likewise.

2007-08-19  Dorit Nuzman  <>

	* tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
	as argument instead of struct loop.
	(nested_in_vect_loop_p): New function.
	(vect_relevant): Add enum values vect_used_in_outer_by_reduction and
	(is_loop_header_bb_p): New. Used to differentiate loop-header phis
	from other phis in the loop.
	(destroy_loop_vec_info): Add additional argument to declaration.

	* tree-vectorizer.c (supportable_widening_operation): Also check if
	nested_in_vect_loop_p (don't allow changing the order in this case).
	(vect_is_simple_reduction): Takes a loop_vec_info as argument instead
	of struct loop. Call nested_in_vect_loop_p and don't require
	flag_unsafe_math_optimizations if it returns true.
	(new_stmt_vec_info): When setting def_type for phis differentiate 
	loop-header phis from other phis.
	(bb_in_loop_p): New function.
	(new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
	just update their loop_vinfo.  Order of BB traversal now matters -
	call dfs_enumerate_from with bb_in_loop_p.
	(destroy_loop_vec_info): Takes additional argument to control whether
	stmt_vinfo of the loop stmts should be destroyed as well.
	(vect_is_simple_reduction): Allow the "non-reduction" use of a
	reduction stmt to be defines by a non loop-header phi.
	(vectorize_loops): Call destroy_loop_vec_info with additional argument.

	* tree-vect-transform.c (vectorizable_reduction): Call
	nested_in_vect_loop_p. Check for multitypes in the inner-loop.
	(vectorizable_call): Likewise.
	(vectorizable_conversion): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_type_promotion): Likewise.
	(vectorizable_type_demotion): Likewise.
	(vectorizable_store): Likewise.
	(vectorizable_live_operation): Likewise.
	(vectorizable_reduction): Likewise. Also pass loop_info to
	vect_is_simple_reduction instead of loop.
	(vect_init_vector): Call nested_in_vect_loop_p.
	(get_initial_def_for_reduction): Likewise.
	(vect_create_epilog_for_reduction): Likewise.
	(vect_init_vector): Check which loop to work with, in case there's an
	(get_initial_def_for_inducion): Extend to handle outer-loop
	vectorization. Fix indentation.
	(vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
	In the case vect_induction_def get the vector def from the induction
	phi node, instead of calling get_initial_def_for_inducion.
	(get_initial_def_for_reduction): Extend to handle outer-loop 
	(vect_create_epilog_for_reduction): Extend to handle outer-loop
	(vect_transform_loop): Change assert to just skip this case.  Add a
	dump printout.
	(vect_finish_stmt_generation): Add a couple asserts.

	(vect_estimate_min_profitable_iters): Multiply
	cost of inner-loop stmts (in outer-loop vectorization) by estimated
	inner-loop bound.
	(vect_model_reduction_cost): Don't add reduction epilogue cost in case
	this is an inner-loop reduction in outer-loop vectorization.

	* tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
	Same code as what used to be vect_analyze_scalar_cycles, only with
	additional argument loop, and loop_info passed to
	vect_is_simple_reduction instead of loop.
	(vect_analyze_scalar_cycles): Code factored out into
	vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
	Updated documentation.
	(analyze_operations): Check for inner-loop loop-closed exit-phis during
	outer-loop vectorization that are live or not used in the outerloop,
	cause this requires special handling.
	(vect_enhance_data_refs_alignment): Don't consider versioning for
	(vect_analyze_data_refs): Check that there are no datarefs in the
	(vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
	and vect_used_in_outer_by_reduction cases.
	(process_use): Also consider the case of outer-loop stmt defining an
	inner-loop stmt and vice versa.
	(vect_analyze_loop_1): New function.
	(vect_analyze_loop_form): Extend, to allow a restricted form of nested
	loops.  Call vect_analyze_loop_1.
	(vect_analyze_loop): Skip (inner-)loops within outer-loops that have
	been vectorized.  Call destroy_loop_vec_info with additional argument.

	* tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
	in the inner-loop when doing outer-loop vectorization. Add
	documentation and printout.
	(vect_recog_dot_prod_pattern): Likewise. Also add check for
	GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).

2007-08-18  Andrew Pinski  <>

	* tree-affine.h (print_aff): New prototype.
	(debug_aff): Likewise.
	* tree-affine.c (print_aff): New function.
	(debug_aff): Likewise.

2007-08-18  Paul Brook  <>
	    Joseph Myers  <>

	* common.opt (-fdebug-prefix-map=): New option.
	* opts.c: Include debug.h.
	(common_handle_option): Handle -fdebug-prefix-map.
	* final.c: Include ggc.h.
	(struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
	remap_debug_filename): New.
	* (final.o, opts.o): Update dependencies.
	* debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
	* Check for assembler --debug-prefix-map support.
	* configure, Regenerate.
	* gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
	* doc/install.texi (--with-debug-prefix-map): Document.
	* doc/invoke.texi (-fdebug-prefix-map): Document.
	* dbxout.c (dbxout_init, dbxout_start_source_file,
	dbxout_source_file): Call remap_debug_filename.
	* dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
	dwarf2out_start_source_file, dwarf2out_finish): Call
	(file_table_relative_p): Do not check d->emitted_number.
	* toplev.c (output_file_directive): Call remap_debug_filename.
	* vmsdbgout.c (write_srccorr): Call remap_debug_filename.
	* xcoffout.c (xcoffout_source_file): Call remap_debug_filename.

2007-08-17  Kaveh R. Ghazi  <>

	* loop-invariant.c (find_invariants_to_move): Add missing macro

2007-08-17  Tom Tromey  <>

	* tree.h (struct tree_label_decl): Removed old "java" fields.

2007-08-17  Richard Sandiford  <>
	    Nigel Stephens  <>

	* config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
	Treat -mno-data-in-code and -mcode-xonly as aliases for
	-mcode-readable=no and -mcode-readable=pcrel respectively.
	* config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
	(MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
	(MULTILIB_DIRNAMES): Update accordingly.

2007-08-17  H.J. Lu  <>

	* (version.o): Depend on $(REVISION) only if
	REVISION_s is defined.

2007-08-17  Sa Liu  <>
	    Ulrich Weigand  <>

	PR middle-end/32970
	* tree.c (reconstruct_complex_type): For a pointer to a vector,
	use build_qualified_type to retain qualifiers of the base type.

2007-08-17  Chen Liqin  <>

	* config/score/ : Update pattern tablejump.
	* config/score/score.c : Update score_initialize_trampoline 
	* config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
	* doc/contrib.texi: Add my entry.

2007-08-16  H.J. Lu  <>

	* (REVISION): New.
	(REVISION_c): New.
	(REVISION_s): New.
	(version.o): Also depend on $(REVISION). Add

	* version.c (version_string): Add REVISION.

2007-08-16  Seongbae Park <>

	* tree-eh.c (lower_try_finally_onedest): Reset the locus
	of GOTO that's relocated to a different block.

2007-08-16  Kaveh R. Ghazi  <>

	* c-common.c (const_strip_array_types): New.
	* c-common.h (lang_missing_noreturn_ok_p): Delete.
	(const_strip_array_types): New.
	* c-objc-common.c (c_disregard_inline_limits,
	c_warn_unused_global_decl): Constify.
	* c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
	c_vla_type_p, c_incomplete_type_error): Likewise.
	* c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
	* hooks.c (hook_bool_const_tree_false): New.
	* hooks.h (hook_bool_const_tree_false): Likewise.
	* langhooks-def.h (lhd_warn_unused_global_decl,
	lhd_incomplete_type_error, lhd_expr_size,
	lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
	* langhooks.c (lhd_warn_unused_global_decl,
	lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
	lhd_expr_size): Likewise.
	* langhooks.h (lang_hooks_for_tree_inlining,
	lang_hooks_for_tree_dump, lang_hooks_for_types,
	lang_hooks_for_decls, lang_hooks): Likewise.
	* pointer-set.c (pointer_set_t, pointer_set_create,
	pointer_set_contains, insert_aux, pointer_set_insert,
	pointer_set_traverse, pointer_map_t, pointer_map_create,
	pointer_map_contains, pointer_map_insert, pointer_map_traverse):
	* pointer-set.h (pointer_set_contains, pointer_set_insert,
	pointer_set_traverse, pointer_map_contains, pointer_map_insert,
	pointer_map_traverse): Likewise.
	* predict.c (assert_is_empty): Likewise.
	* tree-affine.c (free_name_expansion): Likewise.
	* tree-cfg.c (edge_to_cases_cleanup): Likewise.
	* tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
	* tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.

2007-08-16  Victor Kaplansky <>

	* tree-vectorizer.c (new_loop_vec_info): Initialize new 
	(destroy_loop_vec_info): Add call to VEC_free.
	* tree-vectorizer.h (may_alias_ddrs): Define.
	* tree-vect-analyze.c (vect_analyze_data_ref_dependence):
	Change reporting to dump.
	(vect_is_duplicate_ddr): New.
	(vect_mark_for_runtime_alias_test): New.
	(vect_analyze_data_ref_dependences) Add call to
	(vect_enhance_data_refs_alignment): Define local variable
	vect_versioning_for_alias_required, don't perform
	peeling for alignment if versioning for alias is
	(vect_enhance_data_refs_alignment): Use
	* tree-vect-transform.c
	(vect_create_cond_for_alias_checks): New.
	(vect_transform_loop): Add call to
	(vect_vfa_segment_size): New.
	* doc/invoke.texi
	(vect-max-version-for-alignment-checks): Document.
	(vect-max-version-for-alias-checks): Document.
	(vect-max-version-checks): Remove.

2007-08-16  Uros Bizjak  <>

	* config/i386/ (*rep_movdi_rex64): Emit "rep" prefix on
	the same line as the instruction for all asm dialects.
	(*rep_movsi): Ditto.
	(*rep_movsi_rex64): Ditto.
	(*rep_movqi): Ditto.
	(*rep_movqi_rex64): Ditto.
	(*rep_stosdi_rex64): Ditto.
	(*rep_stossi): Ditto.
	(*rep_stossi_rex64): Ditto.
	(*rep_stosqi): Ditto.
	(*rep_stosqi_rex64): Ditto.
	(*cmpstrnqi_nz_1): Ditto.
	(*cmpstrnqi_nz_rex_1): Ditto.
	(*cmpstrnqi_1): Ditto.
	(*cmpstrnqi_rex_1): Ditto.
	(*strlenqi_1): Ditto.
	(*strlenqi_rex_1): Ditto.
	* config/i386/ (*sync_compare_and_swap<mode>): Emit "lock"
	prefix on the same line as the instruction for all asm dialects.
	(sync_double_compare_and_swap<mode>): Ditto.
	(*sync_double_compare_and_swapdi_pic): Ditto.
	(*sync_compare_and_swap_cc<mode>): Ditto.
	(sync_double_compare_and_swap_cc<mode>): Ditto.
	(*sync_double_compare_and_swap_ccdi_pic): Ditto.
	(sync_old_add<mode>): Ditto.
	(sync_add<mode>): Ditto.
	(sync_sub<mode>): Ditto.
	(sync_ior<mode>): Ditto.
	(sync_and<mode>): Ditto.
	(sync_xor<mode>): Ditto.

2007-08-16  Richard Sandiford  <>

	PR middle-end/32897
	* reload.c (find_reloads): Check that the memory returned by
	find_reloads_toplev was not the result of forcing a constant
	to memory.
	(find_reloads_toplev): Always use simplify_gen_subreg to get
	the subreg of a constant.  If the result is also a constant,
	but not a legitimate one, force it into the constant pool
	and reload its address.

2007-08-15  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and

2007-08-15  Daniel Jacobowitz  <>

	* config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
	directive for the current vector ABI.

2007-08-15  Steve Ellcey  <>

	PR target/32963
	* caller-save.c (reg_save_code): Set invalide status on restore code.
2007-08-15  Diego Novillo  <>

	* tree-ssa-alias.c (compute_memory_partitions): Use
	alias_bitmap_obstack to allocate bitmaps.
	(reset_alias_info): Factor out of init_alias_info.
	Mark all name tags not associated to an SSA name for renaming.
	(init_alias_info): Call it.
	(create_name_tags): Tidy.  Add comments.
	(dump_points_to_info_for): Do not call get_mem_sym_stats_for.

2007-08-15  Maxim Kuvyrkov  <>

	* config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
	scheduler dependencies.

2007-08-15  Rask Ingemann Lambertsen  <>

	* config/i386/ (subsi3_carry_zext): Remove "m" constraint for
	(*iorsi_1_zext): Likewise.
	(*iorsi_1_zext_imm): Likewise.
	* config/i386/ (*sse4_1_extractps): Use "nonimmediate_operand"
	with "rm"/"xm" constraint.
	(sse2_vmsqrtv2df2): Likewise.

2007-08-15  Jakub Jelinek  <>

	PR middle-end/33074
	* emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for

2007-08-14  Daniel Berlin  <>

	* tree-pass.h (PROP_pta): Removed.
	(TODO_rebuild_alias): New.
	(pass_may_alias): Removed.
	* tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
	aliasing if we changed something.
	* tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
	SSA internally.
	(pass_may_alias): Removed.
	(create_structure_vars): Return TODO_rebuild_alias.
	* tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
	* tree-sra.c (tree_sra): Only rebuild aliasing if something
	(tree_sra_early): We never affect aliasing right now.
	* tree-flow.h (compute_may_aliases): New prototype.
	* passes.c: Remove pass_may_alias from the passes.
	(execute_function_todo): Support TODO_rebuild_alias.	

2007-08-14  Kai Tietz  <>

	* config/i386/i386.c (legitimize_address): Move dllimported variable
	check infront of legitimizing pic address of CONST symbols.

2007-08-14  Steve Ellcey  <>

	PR tree-optimization/32941
	* tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
	(goto_queue_cmp): Remove.
	(find_goto_replacement): Change search method.
	(maybe_record_in_goto_queue): Add assert.
	(lower_try_finally): Remove qsort call, add pointer_map_destroy call.
	* (tree-eh.o): Add pointer-set.h dependency.

2007-08-14  Kaveh R. Ghazi  <>

	* alias.c (component_uses_parent_alias_set): Constify.
	* alias.h (component_uses_parent_alias_set): Likewise.
	* cfgrtl.c (print_rtl_with_bb): Likewise.
	* double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
	mpz_get_double_int): Likewise.
	* double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
	mpz_get_double_int): Likewise.
	* expr.c (is_aligning_offset, undefined_operand_subword_p,
	mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
	* expr.h (safe_from_p): Likewise.
	* gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
	* gimplify.c (should_carry_locus_p, zero_sized_field_decl,
	zero_sized_type, goa_lhs_expr_p): Likewise.
	* omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
	* rtl.h (print_rtl_with_bb): Likewise.
	* sched-vis.c (print_exp, print_value, print_pattern): Likewise.
	* tree-cfg.c (const_first_stmt, const_last_stmt): New.
	* tree-flow-inline.h (bb_stmt_list): Constify.
	(cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
	cbsi_stmt): New.
	* tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
	const_first_stmt, const_last_stmt): New.
	(block_may_fallthru, empty_block_p): Constify.
	* tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
	(expr_first, expr_last, expr_only): Use macro for body.
	(const_expr_first, const_expr_last, const_expr_only): New.
	* tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
	ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
	ctsi_prev, ctsi_stmt): New.
	* tree-scalar-evolution.c (get_loop_exit_condition): Constify.
	* tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
	* tree-ssa-loop-niter.c (loop_only_exit_p,
	derive_constant_upper_bound): Likewise.
	* tree-ssa-phiopt.c (empty_block_p): Likewise.
	* tree-ssa-threadupdate.c (redirection_block_p): Likewise.
	* tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
	* tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
	* tree-vrp.c (vrp_bitmap_equal_p): Likewise.
	* tree.c (get_type_static_bounds): Likewise.
	* tree.h (const_expr_first, const_expr_last, const_expr_only): New.
	(get_type_static_bounds): Constify.

2007-08-14  Rask Ingemann Lambertsen  <>

	PR target/30315
	* config/i386/i386.h (CANONICALIZE_COMPARISON): New.
	* config/i386/ (plusminus)(addsub)(SWI): New.
	(*<addsub><mode>3_cc_overflow): New.
	(*add<mode>3_cconly_overflow): New.
	(*sub<mode>3_cconly_overflow): New.
	(*<addsub>si3_zext_cc_overflow): New.
	* config/i386/ (fcmov_comparison_operator): Accept
	CCCmode for LTU, GTU, LEU and GEU.
	(ix86_comparison_operator): Likewise.
	(ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
	* config/i386/i386.c (put_condition_code): Support CCCmode.
	(ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
	or MINUS expressions.

2007-08-14  Andrew Pinski  <>

	PR c/30428
	* c-typeck.c (build_binary_op): Disallow vector float types with

2007-08-14  Maxim Kuvyrkov  <>

	* sched-int.h (struct _dep): Rename field 'kind' to 'type'.
	(DEP_KIND): Rename to DEP_TYPE.  Update all uses.
	(dep_def): New typedef.
	(init_dep_1, sd_debug_dep): Declare functions.
	(debug_dep_links): Remove.
	(struct _deps_list): New field 'n_links'.
	(DEPS_LIST_N_LINKS): New macro.
	(create_deps_list, free_deps_list, delete_deps_list): Remove
	(deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
	(find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
	(copy_deps_list_change_con, move_dep_link): Ditto.
	(struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
	and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
	(INSN_BACK_DEPS): Remove.
	New macros.
	(INSN_DEP_COUNT): Remove.
	(enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
	(spec_info, haifa_recovery_block_was_added_during_scheduling_p):
	Declare global variables.
	(deps_pools_are_empty_p, sched_free_deps): Declare functions.
	(add_forw_dep, compute_forward_dependences): Remove declarations.
	(add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
	(add_back_forw_dep, delete_back_forw_dep): Ditto.
	(debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
	New constants.
	(sd_list_types_def): New typedef.
	(sd_next_list): Declare function.
	(struct _sd_iterator): New type.
	(sd_iterator_def): New typedef.
	(sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
	(FOR_EACH_DEP): New cycle wrapper.
	(sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
	Declare functions.
	(sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
	(sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):

	* sched-deps.c (init_dep_1): Make global.
	(dump_dep): New static function.
	(dump_dep_flags): New static variable.
	(sd_debug_dep): New function.
	(add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
	the list.
	(move_dep_link): Use remove_from_deps_list (), instead of
	detach_dep_link ().
	(dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
	(dep_link_is_detached_p): New static function.
	(deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
	(dn_pool, dl_pool): New alloc_pools.
	(dn_pool_diff, dl_pool_diff): New static variables.
	(create_dep_node, delete_dep_node): New static function.
	(create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
	(deps_list_empty_p): Make it static.  Use 'n_links' field.
	(deps_pools_are_empty_p): New static function.
	(alloc_deps_list, delete_deps_list): Remove.
	(dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
	(find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
	(copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
	(forward_dependency_cache): Remove.
	(maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
	'back' from the names.  Change signature to use dep_t instead of
	equivalent quad.
	(add_back_dep): Ditto.  Make global.
	(check_dep_status): Rename to check_dep ().
	(sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
	New functions.
	(sd_finish_insn): Ditto.
	(sd_find_dep_between_no_cache): New static function.
	(sd_find_dep_between): New function.
	(ask_dependency_caches, set_dependency_caches): New static functions.
	(update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
	(add_or_update_dep_1): Separate pieces of functionality into
	ask_dependency_caches (), update_dependency_caches (),
	change_spec_dep_to_hard (), update_dep ().
	(get_back_and_forw_lists): New static function.
	(sd_add_dep): Separate setting of dependency caches into
	set_dependency_caches ().
	(sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
	New functions.
	(sd_delete_dep): Ditto.
	(dump_lists): New static function.
	(sd_debug_lists): New debug function.
	(delete_all_dependences, fixup_sched_groups): Update to use
	sd_* infrastructure.
	(sched_analyze_2): Create data-speculative dependency only if
	data-speculation is enabled.
	(sched_analyze_insn): If insn cannot be speculative, make all its
	dependencies non-speculative.
	(sched_analyze): Use sd_init_insn ().
	(add_forw_dep, compute_forward_dependencies): Remove.
	(delete_dep_nodes_in_back_deps): New static function.
	(sched_free_deps): New function.
	(init_dependency_caches): Init alloc_pools.
	(extend_depedency_caches): Update after removing of
	(free_dependency_caches): Ditto.  Free alloc_pools.
	(adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
	(delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
	(add_back_forw_dep, delete_back_forw_dep): Ditto.
	(add_dependence): Use init_dep ().
	(get_dep_weak_1): New static function.
	(get_dep_weak): Move logic to get_dep_weak_1 ().
	(dump_ds): New static function moved from haifa-sched.c:
	debug_spec_status ().
	(debug_ds): New debug function.
	(check_dep_status): Rename to check_dep ().  Update to check whole

	* haifa-sched.c (spec_info): Make global.
	(added_recovery_block_p): Rename to
	(haifa_recovery_block_was_added_during_scheduling_p): New variable.
	(dep_cost, priority, rank_for_schedule, schedule_insn): Update
	to use new interfaces.
	(ok_for_early_queue_removal): Ditto.
	(schedule_block): Initialize logical uids of insns emitted by the
	(sched_init): Initialize new variable.
	(fix_inter_tick, try_ready, fix_tick_ready): Update to use new
	(extend_global): Initialize insn data.
	(init_h_i_d): Remove code that is now handled in sd_init_insn ().
	(process_insn_forw_deps_be_in_spec): Change signature.  Update to use
	new interfaces.
	(add_to_speculative_block): Update to use new interfaces.
	(create_recovery_block): Set new variables.
	(create_check_block_twin, fix_recovery_deps): Update to use new
	(sched_insn_is_legitimate_for_speculation_p): New function.
	(speculate_insn): Move checking logic to
	sched_insn_is_legitimate_for_speculation_p ().
	(sched_remove_insn): Finalize sched-deps information of instruction.
	(clear_priorities, add_jump_dependencies): Update to use new
	(debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
	* sched-rgn.c (set_spec_fed, find_conditional_protection): Update
	to use new interfaces.
	(is_conditionally_protected, is_pfree, is_prisky) Ditto.
	(new_ready): Try to use control speculation only if it is available.
	(add_branch_dependences): Update to use new interfaces.
	(compute_block_backward_dependences): Rename to
	compute_block_dependences ().  Call
	targetm.sched.dependencies_evaluation_hook ().
	(free_block_dependencies): New static function.
	(debug_dependencies): Update to use new interfaces.
	(schedule_region): Remove separate computation of forward dependencies.
	Move call of targetm.sched.dependencies_evaluation_hook () to
	compute_block_dependences ().  Free dependencies at the end of
	scheduling the region.

	* sched-ebb.c (earliest_block_with_similiar_load): Update to use
	new interfaces.
	(add_deps_for_risky_insns): Ditto.
	(schedule_ebb): Remove separate computation of forward dependencies.
	Free dependencies at the end of	scheduling the ebb.

	* ddg.c (create_ddg_dependence): Update to use new interfaces.
	(build_intra_loop_deps): Ditto.  Remove separate computation of
	forward dependencies.  Free sched-deps dependencies.

	* config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
	to use new interfaces.
	(ia64_dfa_new_cycle, ia64_gen_check): Ditto.

	* config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
	new interfaces.
	(is_costly_group): Ditto.

2007-08-14  Kaveh R. Ghazi  <>

	* alias.c (rtx_equal_for_memref_p): Constify.
	* basic-block.h (const_edge, const_basic_block): New.
	(reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
	single_pred_p, single_succ_edge, single_pred_edge, single_succ,
	single_pred, maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p, edge_probability_reliable_p,
	br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
	inside_basic_block_p, control_flow_insn_p, dominated_by_p):
	* bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
	* bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
	* cfganal.c (flow_active_insn_p, forwarder_block_p,
	flow_nodes_print, dfs_enumerate_from): Likewise.
	* cfgbuild.c (count_basic_blocks, inside_basic_block_p,
	control_flow_insn_p, count_basic_blocks): Likewise.
	* cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
	get_loop_body_with_size, loop_exit_edge_p): Likewise.
	* cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
	average_num_loop_insns, loop_exit_edge_p,
	just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
	* cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
	average_num_loop_insns, seq_cost): Likewise.
	* cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
	* dominance.c (dominated_by_p): Likewise.
	* emit-rtl.c (validate_subreg): Likewise.
	* except.c (can_throw_internal, can_throw_external): Likewise.
	* except.h (can_throw_internal, can_throw_external): Likewise.
	* gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
	oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
	compute_transp, load_killed_in_block_p, reg_killed_on_edge,
	simple_mem, store_ops_ok, load_kills_store, find_loads,
	store_killed_in_insn, store_killed_after, store_killed_before,
	gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
	* ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
	noce_mem_write_may_trap_or_fault_p): Likewise.
	* pointer-set.c (pointer_set_contains, pointer_map_contains):
	* pointer-set.h (pointer_set_contains, pointer_map_contains):
	* predict.c (can_predict_insn_p, maybe_hot_bb_p,
	probably_cold_bb_p, probably_never_executed_bb_p,
	edge_probability_reliable_p, br_prob_note_reliable_p,
	can_predict_insn_p): Likewise.
	* regclass.c (reg_set_to_hard_reg_set): Likewise.
	* resource.c (return_insn_p): Likewise.
	* rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
	* rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
	* tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
	* tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
	verify_gimple_modify_stmt): Likewise.
	* tree-chrec.c (is_not_constant_evolution,
	is_multivariate_chrec_rec, is_multivariate_chrec,
	chrec_contains_symbols, chrec_contains_undetermined,
	tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
	evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
	eq_evolutions_p, scev_direction): Likewise.
	* tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
	eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
	chrec_contains_undetermined, tree_contains_chrecs,
	evolution_function_is_univariate_p, chrec_zerop,
	evolution_function_is_constant_p, evolution_function_is_affine_p,
	tree_does_not_contain_chrecs, chrec_type): Likewise.
	* tree-data-ref.c (tree_fold_divides_p,
	object_address_invariant_in_loop_p, dr_may_alias_p,
	ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
	same_access_functions, constant_access_functions,
	access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
	* tree-flow.h (scev_direction): Likewise.
	* tree-gimple.c (is_gimple_stmt): Likewise.
	* tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
	* tree-pretty-print.c (op_prio): Likewise.
	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
	analyzable_condition, backedge_phi_arg_p): Likewise.
	* tree-scalar-evolution.h (get_chrec_loop): Likewise.
	* tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
	* tree-ssa-threadupdate.c (dbds_continue_enumeration_p):

2007-08-13  Dan Hipschman  <>

	PR c/32953
	* c-format.c (check_format_arg): Move check for zero-length
	format strings below the check for unterminated strings.

2007-08-13  Andrew Pinski  <>

	PR C/30427
	* c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float

2007-08-13  Nick Clifton  <>

	* config/arm/arm_neon.h: Revert GPLv3 patch to this file.

2007-08-12  Francois-Xavier Coudert  <>

	PR fortran/32860
	* c-format.c (gcc_gfc_length_specs): New array.
	(gcc_gfc_char_table): Add unsigned specifier, and references to
	the l length modifier.
	(format_types_orig): Use the new gcc_gfc_length_specs.

2007-08-12  Sa Liu  <>

	* emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
	and with REG_RETVAL note after split.

2007-08-11  David Daney  <>

	* config/mips/mips.c (mips_sched_reorder): Mark cycle parameter

2007-08-11  David Edelsohn  <>
	    Segher Boessenkool  <>

	* config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if

2007-08-11  Jan Hubicka  <>

	* cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
	(cgraph_process_new_functions): Honor previous value of
	* ipa-inline.c (compute_inline_parameters): Likewise.

2007-08-11  Ian Lance Taylor  <>

	* alias.h (alias_set_type): Define new type.
	* rtl.h: Include alias.h.
	(struct mem_attrs): Use alias_set_type.
	* tree.h: Include alias.h
	(struct tree_type): Use alias_set_type.
	(struct tree_struct_field_tag): Likewise.
	(struct tree_decl_common): Likewise.
	* alias.c (struct alias_set_entry): Use alias_set_type.
	(get_alias_set_entry, alias_set_subset_of): Likewise.
	(alias_sets_conflict_p): Likewise.
	(alias_sets_must_conflict_p): Likewise.
	(objects_must_conflict_p): Likewise.
	(get_alias_set, new_alias_set): Likewise.
	(record_alias_subset, record_component_aliases): Likewise.
	(varargs_set, frame_set): Change to alias_set_type.
	(get_varargs_alias_set): Use alias_set_type.
	(get_frame_alias_set): Likewise.
	* builtins.c (setjmp_alias_set): Change to alias_set_type.
	* dse.c (struct store_info): Use alias_set_type.
	(struct read_info, struct clear_alias_mode_holder): Likewise.
	(clear_alias_set_lookup, canon_address): Likewise.
	(record_store, check_mem_read_rtx): Likewise.
	(dse_record_singleton_alias_set): Likewise.
	(dse_invalidate_singleton_alias_set): Likewise.
	* emit-rtl.c (get_mem_attrs): Likewise.
	(set_mem_attributes_minus_bitpos): Likewise.
	(set_mem_alias_set): Likewise.
	* expr.c (store_constructor_field, store_field): Likewise.
	* gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
	* langhooks.c (lhd_get_alias_set): Likewise.
	* langhooks-def.h (lhd_get_alias_set): Likewise.
	* reload1.c (alter_reg): Likewise.
	* tree-flow.h (struct fieldoff): Likewise.
	* tree-ssa-alias.c (struct alias_map_d): Likewise.
	(may_alias_p, get_smt_for, create_sft): Likewise.
	* tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
	(merge_smts_into): Likewise.
	* varasm.c (const_alias_set): Likewise.
	* c-common.c (strict_aliasing_warning): Likewise.
	(c_common_get_alias_set): Likewise.
	* dse.h (dse_record_singleton_alias_set): Update declaration.
	(dse_invalidate_singleton_alias_set): Likewise.
	* emit-rtl.h (set_mem_alias_set): Likewise.
	* c-common.h (c_common_get_alias_set): Likewise.
	* print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
	* print-tree.c (print_node): Likewise.
	* config/alpha/alpha.c (alpha_sr_alias_set): Change to
	(alpha_setup_incoming_varargs): Use alias_set_type.
	* config/i386/i386.c (setup_incoming_varargs_64): Use
	(setup_incoming_varargs_ms_64): Likewise.
	(ix86_GOT_alias_set): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
	(set): Change to alias_set_type.
	(get_TOC_alias_set): Use alias_set_type.
	* config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
	* config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
	* config/sparc/sparc.c (sparc_sr_alias_set): Change to
	(struct_value_alias_set): Likewise.
	* (GTFILES): Add $(srcdir)/alias.h.

2007-08-11  Richard Sandiford  <>

	* config/vxworks-dummy.h (TARGET_VXWORKS): Define.
	* config/vxworks.h (TARGET_VXWORKS): Override.
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
	"mips" if TARGET_VXWORKS.

2007-08-11  Richard Sandiford  <>

	* calls.c (avoid_likely_spilled_reg): New function.
	(expand_call): Use it.

2007-08-11  Kaveh R. Ghazi  <>

	* c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.

2007-08-10  Adam Nemet  <>

	* config/mips/ (const_call_insn_operand): Invoke

2007-08-10  David Edelsohn  <>

	PR target/33042
	* config/rs6000/driver-rs6000.c: Include link.h.
	Use ElfW instead of wordsize-specif typedef.

2007-08-10  Kaveh R. Ghazi  <>

	* system.h (CONST_CAST): New.
	* c-decl.c (c_make_fname_decl): Use it.
	* c-lex.c (cb_ident, lex_string): Likewise.
	* c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
	* gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
	give_switch, set_multilib_dir): Likewise.
	* gengtype-parse.c (string_seq, typedef_name): Likewise.
	* passes.c (execute_one_pass): Likewise.
	* prefix.c (update_path): Likewise.
	* pretty-print.c (pp_base_destroy_prefix): Likewise.
	* tree.c (build_string): Likewise.

2007-08-10  Aldy Hernandez  <>

	* tree-flow-inline.h (is_exec_stmt): Remove.
	(is_label_stmt): Remove.
	* tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and

2007-08-10  Andreas Krebbel  <>

	* lower-subreg.c (resolve_shift_zext): Don't adjust
	src_reg_num for wordmode operands.

2007-08-10  Sandra Loosemore  <>
	    David Ung  <>

	* config/mips/mips.c (TARGET_SCHED_INIT): Define.
	(mips_maybe_swap_ready): New.
	(mips_last_74k_agen_insn): New.
	(mips_74k_agen_init): New.
	(mips_74k_agen_reorder): New function to group loads and stores
	in the ready queue.
	(mips_sched_init): New.  
	(mips_sched_reorder): Don't do initialization here.  Call
	(mips_variable_issue): Call mips_74k_agen_init.

2007-08-10  Aldy Hernandez  <>

	* tree-flow-inline.h (get_filename): Remove.

2007-08-10  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_address_insns): Add a boolean
	(mips_fetch_insns): Delete in favor of...
	(mips_load_store_insns): ...this new function.
	* config/mips/mips.c (mips_address_insns): Add a boolean argument
	to say whether multiword moves _might_ be split.
	(mips_fetch_insns): Delete in favor of...
	(mips_load_store_insns): ...this new function.
	(mips_rtx_costs): Update the call to mips_address_insns.
	(mips_address_cost): Likewise.
	* config/mips/ (length): Use mips_load_store_insns instead
	of mips_fetch_insns.
	* config/mips/ (R): Use mips_address_insns rather
	than mips_fetch_insns.  Assume that the move never needs to be split.

2007-08-09  Sandra Loosemore  <>

	* config/mips/mips.opt (mhard-float, msoft-float): Make these
	* config/mips/mips.h (mips16_hard_float): Delete.
	definitions, and replace with....
	* config/mips/mips.c (mips16_hard_float): Delete.  Replace
	all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
	(override_options): Replace MASK_SOFT_FLOAT references with
	MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
	and mips16_hard_float when TARGET_MIPS16.
2007-08-09  Andrew Pinski  <>

	PR c/32796
	* c-typeck.c (build_binary_op): Check for non pointer types before
	calling int_fits_type_p.

2007-08-09  Andrew Pinski  <>

	PR middle-end/32813
	* fold-const.c (omit_one_operand): Return only the ommitted expression
	if the result is an empty statement.
	(pedantic_omit_one_operand): Likewise.

2007-08-09  Daniel Berlin  <>

	* c-typeck.c (readonly_error): Improve error for assignment.
	* c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
	(pp_c_expression): Ditto.

2007-08-09  Simon Baldwin  <>

	* simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
	break that was preventing simplify_associative_operation() for xor.

2007-08-09  Sandra Loosemore  <>
	    Nigel Stephens  <>

	Document change in interpretation of value from boolean to
	tri-state integer.
	* optabs.c (expand_ffs, expand_ctz): New functions to compute
	ffs and ctz using clz.
	(expand_unop): Call them.
	* config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
	result value.
	* config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
	enable the new ffs expansion on this target.

2007-08-09  Jan Hubicka  <>

	* optabs.c (expand_widen_pattern_expr): Use optabs accestors.
	(expand_ternary_op): Likewise.
	(expand_vec_shift_expr): Likewise.
	(expand_binop_directly): Likewise.
	(expand_binop): Likewise.
	(sign_expand_binop): Likewise.
	(expand_twoval_unop): Likewise.
	(expand_twoval_binop): Likewise.
	(expand_twoval_binop_libfunc): Likewise.
	(widen_clz): Likewise.
	(widen_bswap): Likewise.
	(expand_parity): Likewise.
	(expand_unop): Likewise.
	(expand_abs_nojump): Likewise.
	(expand_copysign): Likewise.
	(emit_no_conflict_block): Likewise.
	(emit_libcall_block): Likewise.
	(can_compare_p): Likewise.
	(prepare_cmp_insn): Likewise.
	(emit_cmp_and_jump_insn_1): Likewise.
	(prepare_float_lib_cmp): Likewise.
	(emit_conditional_add): Likewise.
	(gen_add2_insn): Likewise.
	(have_add2_insn): Likewise.
	(gen_sub2_insn): Likewise.
	(have_sub2_insn): Likewise.
	(can_extend_p): Likewise.
	(can_fix_p): Likewise.
	(can_float_p): Likewise.
	(expand_float): Likewise.
	(expand_fix): Likewise.
	(expand_sfix_optab): Likewise.
	(new_optab): Likewise.
	(new_convert_optab): Likewise.
	(init_libfuncs): Likewise.
	(init_interclass_conv_libfuncs): Likewise.
	(init_intraclass_conv_libfuncs): Likewise.
	(set_conv_libfunc): Likewise.
	(init_optabs): Likewise.
	(debug_optab_libfuncs): Likewise.
	(gen_cond_trap): Likewise.
	* optabs.h (optab_handler, convert_optab_hanlder): New.
	* genopinit.c: Update optabs generation table.
	* reload.c (find_reloads_address_1): Use optabs accestors.
	* builtins.c (expand_builtin_mathfn): Likewise.
	(expand_builtin_mathfn_2): Likewise.
	(expand_builtin_mathfn_3): Likewise.
	(expand_builtin_interclass_mathfn): Likewise.
	(expand_builtin_sincos): Likewise.
	(expand_builtin_cexpi): Likewise.
	(expand_builtin_powi): Likewise.
	(expand_builtin_strlen): Likewise.
	* dojump.c (do_jump): Likewise.
	* expr.c (convert_move): Likewise.
	(move_by_pieces): Likewise.
	(move_by_pieces_ninsns): Likewise.
	(can_store_by_pieces): Likewise.
	(store_by_pieces_1): Likewise.
	(emit_move_via_integer): Likewise.
	(emit_move_complex): Likewise.
	(emit_move_ccmode): Likewise.
	(emit_move_insn_1): Likewise.
	(emit_single_push_insn): Likewise.
	(store_constructor): Likewise.
	(expand_expr_real_1): Likewise.
	(do_store_flag): Likewise.
	* ada/misc.c (gnat_compute_largest_alignment): Likewise.
	(enumerate_modes): Likewise.
	* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
	(supportable_widening_operation): Likewise.
	(supportable_narrowing_operation): Likewise.
	* expmed.c (store_bit_field_1): Likewise.
	(extract_bit_field_1): Likewise.
	(expand_mult_highpart_optab): Likewise.
	(expand_smod_pow2): Likewise.
	(expand_divmod): Likewise.
	(emit_store_flag): Likewise.
	* tree-vect-patterns.c
	(vect_pattern_recog_1): Likewise.
	* tree-ssa-loop-prefetch.c
	(nontemporal_store_p): Likewise.
	* tree-vect-transform.c (vect_model_reduction_cost): Likewise.
	(vect_create_epilog_for_reduction): Likewise.
	(vectorizable_reduction): Likewise.
	(vectorizable_operation): Likewise.
	(vect_strided_store_supported): Likewise.
	(vectorizable_store): Likewise.
	(vect_strided_load_supported): Likewise.
	(vectorizable_load): Likewise.
	* combine.c (simplify_comparison): Likewise.
	* tree-vect-generic.c
	(type_for_widest_vector_mode): Likewise.
	(expand_vector_operations_1): Likewise.
	* config/spu/spu.c (spu_expand_mov): Likewise.
	(spu_emit_vector_compare): Likewise.
	* config/rs6000/rs6000.c
	(rs6000_emit_vector_compare): Likewise.
	* stmt.c (add_case_node): Likewise.
	* reload1.c (gen_reload):

2007-08-09  Michael Matz  <>

	* tree.h (fixed_zerop): Declare as taking a const_tree.
	* tree.c (fixed_zerop): Take a const_tree.

2007-08-09  Ira Rosen  <>

	* tree-vect-transform.c (vectorizable_store): Remove call to
	copy_virtual_operands() and call mark_symbols_for_renaming() for
	the created vector store.
	(vect_setup_realignment): Don't call copy_virtual_operands() and
	(vectorizable_load): Don't call copy_virtual_operands(). 
	(update_vuses_to_preheader): Remove.

2007-08-08  Chao-ying Fu  <>

	* tree.def (FIXED_POINT_TYPE): New type.
	(FIXED_CST): New constant.
	* doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
	(Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
	* tree.h (struct tree_base): Add saturating_flag.
	Remove one bit of spare for saturating_flag.
	(struct tree_fixed_cst): New.
	(tree_node): Add fixed_cst.
	(enum tree_index): Add new enumeration values of
	(sat_short_fract_type_node, sat_fract_type_node,
	sat_long_fract_type_node, sat_long_long_fract_type_node,
	sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
	sat_unsigned_long_long_fract_type_node, short_fract_type_node,
	fract_type_node, long_fract_type_node, long_long_fract_type_node,
	unsigned_short_fract_type_node, unsigned_fract_type_node,
	unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
	sat_short_accum_type_node, sat_accum_type_node,
	sat_long_accum_type_node, sat_long_long_accum_type_node,
	sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
	sat_unsigned_long_long_accum_type_node, short_accum_type_node,
	accum_type_node, long_accum_type_node, long_long_accum_type_node,
	unsigned_short_accum_type_node, unsigned_accum_type_node,
	unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
	qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
	uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
	utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
	sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
	sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
	sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
	ta_type_node, uha_type_node, usa_type_node, uda_type_node,
	uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
	sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
	sat_uda_type_node, sat_uta_type_node): New macro.
	(make_fract_type, make_accum_type): Declare.
	(make_signed_fract_type, make_unsigned_fract_type,
	make_sat_signed_fract_type, make_sat_unsigned_fract_type,
	make_signed_accum_type, make_unsigned_accum_type,
	make_sat_signed_accum_type, make_sat_unsigned_accum_type,
	make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
	make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
	make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
	make_or_reuse_sat_unsigned_accum_type): New macro.
	(fixed_zerop): Declare.
	* treestruct.def: Add TS_FIXED_CST.
	* (c-pretty-print.o): Add dependence on fixed-value.h.
	(tree.o): Likewise.
	(tree-dump.o): Likewise.
	(print-tree.o): Likewise.
	(tree-pretty-print.o): Likewise.
	(fold-const.o): Likewise.
	* tree-complex.c (some_nonzerop): Handle FIXED_CST.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
	(is_gimple_min_invariant): Handle FIXED_CST.
	* stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
	(layout_type): Handle FIXED_POINT_TYPE.
	(make_fract_type, make_accum_type): New functions.
	* tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
	* tree-dump.c (fixed-value.h): New include.
	(dump_fixed): New function.
	(dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
	* tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
	(estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
	* tree-pretty-print.c (fixed-value.h): New include.
	(dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
	* tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
	* tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
	* tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
	* tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
	for non-saturating fixed-point types.
	(reassociate_bb): Likewise.
	* emit-rtl.c (fixed-value.h): New include.
	(fconst0, fconst1): New array.
	(init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
	* tree-vect-generic.c expand_vector_operation): Support
	(type_for_widest_vector_mode): Add one parameter for the 
	saturating flag.
	Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
	vector mode.
	Pass the satp parameter to type_for_mode for fixed-point types.
	(expand_vector_operations_1): Pass the saturating flag to
	* tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
	(vectorizable_condition): Likewise.
	* tree.c (fixed-value.h): New include.
	(tree_code_size): Support FIXED_CST.
	(build_fixed): New function.
	(build_one_cst): Support FIXED_POINT_TYPE for accum types.
	(fixed_zerop): New function.
	(tree_node_structure): Support FIXED_CST.
	(type_contains_placeholder_1): Support FIXED_POINT_TYPE.
	(build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
	(type_hash_eq): Handle FIXED_POINT_TYPE.
	(simple_cst_equal): Support FIXED_CST.
	(iterative_hash_expr): Handle FIXED_CST.
	(get_unwidened): Make sure type is not FIXED_POINT_TYPE.
	(get_narrower): Likewise.
	(variably_modified_type_p): Handle FIXED_POINT_TYPE.
	(make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
	(build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
	MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
	(build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
	(initializer_zerop): Support FIXED_CST.
	(walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
	* dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
	DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
	(is_base_type): Handle FIXED_POINT_TYPE.
	(add_type_attribute): Handle FIXED_POINT_TYPE.
	(gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
	* print-tree.c (fixed-value.h): New include.
	(print_node_brief): Support FIXED_CST.
	(print_node): Support FIXED_POINT_TYPE and FIXED_CST.
	* c-pretty-print.c (fixed-value.h): New include.
	(pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
	TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
	(pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
	Support fixed-point types for inner items in VECTOR_TYPE.
	(pp_c_direct_declarator): Likewise.
	(pp_c_declarator): Likewise.
	(pp_c_fixed_constant): New function.
	(pp_c_constant): Handle FIXED_CST.
	(pp_c_primary_expression): Likewise.
	(pp_c_expression): Likewise.
	* fold-const.c (fixed-value.h): New include.
	(negate_expr_p): Return true for FIXED_CST.
	(fold_negate_expr): Support FIXED_CST.
	(split_tree): Support FIXED_CST.
	(const_binop): Support FIXED_CST.
	(fold_convert_const_int_from_fixed): New function to convert from
	fixed to int.
	(fold_convert_const_real_from_fixed): New function to convert from
	fixed to real.
	(fold_convert_const_fixed_from_fixed): New function to convert from
	fixed to another fixed.
	(fold_convert_const_fixed_from_int): New function to convert from
	int to fixed.
	(fold_convert_const_fixed_from_real): New function to convert from
	real to fixed.
	(fold_convert_const): Support conversions from fixed to int, from
	fixed to real, from fixed to fixed, from int to fixed, and from real
	to fixed.
	(fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
	(operand_equal_p): Support FIXED_CST.
	(make_range): For fixed-point modes, we need to pass the
	saturating flag as the 2nd parameter.
	(tree_swap_operands_p): Handle FIXED_CST.
	(fold_plusminus_mult_expr): For fract modes, we cannot generate
	constant 1.
	(fold_unary): Support FIXED_CONVERT_EXPR.
	(fold_binary): Handle FIXED_CST.
	Make sure the type is not saturating, before associating operations.
	Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
	(tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
	(fold_negate_const): Support FIXED_CST.
	(fold_relational_const): Support FIXED_CST.
	* gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
	(gimplify_expr): Handle FIXED_CST.
	(gimplify_type_sizes): Handle FIXED_POINT_TYPE.
	* ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
	* ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
	* doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
	* dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
	* c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
	* tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
	* expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
	* tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
	fixed-point types to disable reduction.
	* explow.c (promote_mode): Support FIXED_POINT_TYPE.

2007-08-08  David Edelsohn  <>

	* config/rs6000/x-rs6000: New file.
	* config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
	* config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
	(CC1_CPU_SPEC): Define.
	* config/rs6000/driver-rs6000.c: New file.
	* config/rs6000/aix.h (CC1_SPEC): Define.
	* config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
	* Add x-rs6000 to host_xmake_file if host and target
	are rs6000 or powerpc.

2007-08-08  Paolo Bonzini <>

	* config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.

2007-08-08  Richard Sandiford  <>
	    Sandra Loosemore  <>
	    Chao-ying Fu  <>
	    Nigel Stephens  <>
	    David Ung  <>

	* doc/invoke.texi (-mcode-readable): Document.
	* config/mips/mips.opt (mcode-readable): New option.
	* config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
	* config/mips/mips.h (mips_code_readable_setting): New enum.
	(mips_code_readable): Declare.
	boiler-plate comments.
	* config/mips/mips.c (mips_code_readable): New variable.
	(mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
	MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
	context and -mcode-readable setting to restrict the use of
	SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
	Only retur