bfin.h (TARGET_CPU_CPP_BUILTINS): Define __WORKAROUND_RETS when appropriate.

[thirdparty/gcc.git] / gcc / ChangeLog

2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__WORKAROUND_RETS when appropriate.

2008-05-31  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
	*fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
	mode iterator.
	(*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
	*fop_df_comm_sse insn patterns using MODEF mode iterator.
	(*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
	*fop_df_comm_i387 insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
	*fop_df_1_mixed insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
	*fop_df_1_sse insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
	*fop_df_1_i387 insn patterns using MODEF mode iterator.
	(*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
	*fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
	(*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
	*fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
	(*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
	(*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
	(*fop_xf_4_i387): Use <MODE> for mode attribute.
	(*fop_xf_5_i387): Ditto.
	(*fop_xf_6_i387): Ditto.

2008-05-30  Richard Guenther  <rguenther@suse.de>

	* builtins.c (build_string_literal): Avoid generating
	a non-gimple_val result.

2008-05-30  DJ Delorie  <dj@redhat.com>

	* exec-tool.in: Use an environment variable (private) instead of a
	file (shared) as a semaphore, so as to not break parallel builds.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

	* optabs.c (maybe_encapsulate_block): Remove.
	(emit_libcall_block): Adjust accordingly.
	* optabs.h (maybe_encapsulate_block): Remove prototype.

	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
	Don't use maybe_encapsulate_block.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_address,
	rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
	rtx is a SYMBOL_REF before calling get_pool_constant.

2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

	* incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
	rather than OS names to choose INO_T_EQ definition.
	(DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
	(add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.

2008-05-29  Daniel Franke  <franke.daniel@gmail.com>

	PR target/36348
	* config/darwin-f.c: New.
	* config/t-darwin: Added rule to build darwin-f.o.
	* config.gcc: Defined new variable, fortran_target_objs.
	(*-*-darwin*): Set fortran_target_objs.
	* Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
	* configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
	* configure: Regenerated.

2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35771
	* config/i386/i386.c (ix86_function_arg_boundary): Convert to
	canonical type if needed.

2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (check_for_nested_with_variably_modified): Fix typo.

2008-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36343
	PR tree-optimization/36346
	PR tree-optimization/36347
	* tree-flow.h (clobber_what_p_points_to): Declare.
	* tree-ssa-structalias.c (set_uids_in_ptset): Whether the
	pointed-to variable is dereferenced is irrelevant to whether
	the pointer can access the pointed-to variable.
	(clobber_what_p_points_to): New function.
	* tree-ssa-alias.c (set_initial_properties): Use it.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
	call clobber check for NMTs.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
	
	* value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
	for printing gcov_type.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>

	* tree-ssa-propagate.c (set_rhs): Preserve the histogram
	and the eh region information.
	* value-prof.c (gimple_move_stmt_histograms): New function.
	* value-prof.h (gimple_move_stmt_histograms): New function declaration.

2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>

	* config/pa/pa.md: Remove extern frame_pointer_needed declaration.

2008-05-28  Seongbae Park <seongbae.park@gmail.com>

	* value-prof.c (tree_ic_transform): Print counts.
	* tree-profile.c (tree_gen_ic_func_profiler):
	Clear __gcov_indreict_call_callee variable to avoid misattribution
	of the profile.

2008-05-28  Rafael Espindola  <espindola@google.com>

	* see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
	invalid sharing.

2008-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36339
	* tree-ssa-alias.c (set_initial_properties): Move pt_anything
	and clobbering code out of the loop.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
	letters defined.

	* config/s390/s390.c (s390_compare_and_branch_condition_mask,
	s390_contiguous_bitmask_p, s390_symref_operand_p,
	s390_check_symref_alignment, s390_reload_larl_operand,
	s390_reload_symref_address): New functions.
	(s390_branch_condition_mnemonic): Support compare and branch
	instructions.
	(s390_mem_constraint): Avoid symrefs to accepted by the 'T'
	and 'W' constraints.
	(s390_secondary_reload): Add secondary reloads for unaligned
	symbol refs or symbol refs to floating point or QI/TI mode
	integer values.
	(legitimate_address_p): Accept symbol references as addresses.
	(s390_expand_insv): Use rotate and insert selected bits
	instruction for insv when building for z10.
	(print_operand_address): Handle symbol ref addresses.
	(print_operand): Output modifier 'c' added for signed byte values.
	(s390_encode_section_info): Mark symbol refs with
	SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.

	* config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
	(length attribute): RRF, RRR have 4 byte length.
	(FPALL, INTALL): New mode iterators added.
	(*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
	*cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
	*movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
	*extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
	*zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
	*add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
	*add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
	*mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
	instructions.
	(*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
	*cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
	*cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
	reload<INTALL:mode><P:mode>_toreg_z10,
	reload<FPALL:mode><P:mode>_tomem_z10,
	reload<FPALL:mode><P:mode>_toreg_z10,
	reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
	*insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
	*zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
	*cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
	definition.
	(movmem, clrmem, cmpmem): New splitters added.

	* config/s390/predicates.md (larl_operand): Use
	SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
	SYMBOL_REF_ALIGN1_P.
	(s390_signed_integer_comparison,
	s390_unsigned_integer_comparison): New predicates.

	* config/s390/s390-protos.h (s390_check_symref_alignment,
	s390_contiguous_bitmask_p, s390_reload_larl_operand,
	s390_reload_symref_address,
	s390_compare_and_branch_condition_mask): Prototypes added.

	* config/s390/s390.h (TARGET_MEM_CONSTRAINT,
	SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
	SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (z10_cost): New cost function for z10.
	(s390_handle_arch_option, override_options): Support -march=z10 switch.
	(s390_issue_rate): Adjust issue rate for z10.
	* config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
	(processor_flags): Add PF_Z10.
	(TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
	* config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
	* gcc/config.gcc: Add z10.

2008-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36291
	* tree-flow. h (struct gimple_df): Remove var_anns member.
	* tree-flow-inline.h (gimple_var_anns): Remove.
	(var_ann): Simplify.
	* tree-dfa.c (create_var_ann): Simplify.
	(remove_referenced_var): Clear alias info from var_anns of globals.
	* tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
	(delete_tree_ssa): Clear alias info from var_anns of globals.
	Do not free var_anns.
	(var_ann_eq): Remove.
	(var_ann_hash): Likewise.

2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>

	* config/mips/mips.c (mips_cpu_info_table): Add loongson2e
	and loongson2f entries.
	(mips_rtx_cost_data): Add entries for Loongson-2E/2F.
	* config/mips/mips.h (processor_type): Add Loongson-2E
	and Loongson-2F entries.
	(TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
	(MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
	* config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
	* doc/invoke.texi (MIPS Options): Document loongson2e
	and loongson2f processor names.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35767
	PR target/35771
	* config/i386/i386.c (ix86_function_arg_boundary): Use
	alignment of canonical type.
	(ix86_expand_vector_move): Check unaligned memory access for
	all SSE modes.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (current_fde): Change return type to dw_fde_ref.
	Moved to the front of file.

2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (current_fde): New.
	(add_cfi): Use it.
	(lookup_cfa:): Likewise.
	(dwarf2out_end_epilogue): Likewise.
	(dwarf2out_note_section_used): Likewise.

2008-05-27  Michael Matz  <matz@suse.de>

	PR c++/27975
	* c.opt (Wenum-compare): New warning option.
	* doc/invoke.texi  (Warning Options): Document -Wenum-compare.

2008-05-27  Michael Matz  <matz@suse.de>

	PR middle-end/36326
	* tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
	non-BLKmode types.
	* tree-tailcall.c (find_tail_calls): Don't mark calls storing
	into memory as tail calls.

2008-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36339
	* tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
	pointers cause all addressable variables to be call clobbered.

2008-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36245
	* tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md: Replace all occurences of the 'm'
	constraint with 'RT'.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md ("cpu_facility", "enabled"): Attribute
	definitions added.
	("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
	"*movdi_64".
	("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
	("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
	("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* reload.c: (find_reloads): Skip alternatives according to the
	"enabled" attribute. Constify the constraint variable.
	* recog.c (get_attr_enabled): Add default implementation.
	(extract_insn): Set the alternative_enabled_p array
	in the recog_data struct.
	(preprocess_constraints, constrain_operands): Skip
	alternatives according to the "enabled" attribute
	* recog.h (struct recog_data): New field alternative_enabled_p.
	(skip_alternative): New inline function.
	* regclass.c: (record_operand_costs): Check the "enabled" attribute.
	(record_reg_classes): Skip alternative according to the
	"enabled" attribute.

	* doc/md.texi: Add documention for the "enabled" attribute.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
	* postreload.c (reload_cse_simplify_operands): Replace 'm'
	constraint with TARGET_MEM_CONSTRAINT.
	* recog.c (asm_operand_ok, preprocess_constraints,
	constrain_operands): Likewise.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
	* recog.h: Adjust comment.
	* genpreds.c (generic_constraint_letters): Remove 'm' constraint.
	* genoutput.c (note_constraint): Don't emit error for 'm' constraint.
	* doc/md.texi: Add a note to description of 'm' constraint.
	* doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.

2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
	that the bitfield is of integral type before testing its precision.

2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
	    Sa Liu  <saliu@de.ibm.com> 

	* config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
	__modti3, __udivti3, __umodti3 and __udivmodti4.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
	that implement TImode mul and div functions.
	* config/spu/multi3.c: New. Implement __multi3.
	* config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
	* testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
	functions on SPU.

2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
	new tls_gd_* and tls_ld_* insns instead of an insn sequence.
	* config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
	tls_sysv_suffix): New mode and mode attribute iterators.
	(tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
	(lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
	(tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
	tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
	tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
	iterators.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/36329
	* tree.h (CALL_CANNOT_INLINE_P): Add access check.
	* tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
	* cgraphbuild.c (initialize_inline_failed): Use the latter
	macro in lieu of the former.
	* ipa-inline.c (cgraph_mark_inline): Likewise.
	(cgraph_decide_inlining_of_small_function): Likewise.
	(cgraph_decide_inlining): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.

2008-05-26  Tristan Gingold  <gingold@adacore.com>
	    Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
	instead of pm_lo8/pm_hi8 to makes this call working on avr6.
	* config/avr/avr.c (expand_prologue): Tune "call_prologue" 
	optimization for 'avr6' architecture.

2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR target/34932
	* config/avr/avr.md (*addhi3_zero_extend2): Remove.

2008-05-26  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (expr_has_constants): Declare.
	(visit_reference_op_load): Initialize VN_INFO->has_constants properly.

2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/36253
	* caller-save.c (insert_restore): Verify alignment of spill space.
	(insert_save): Likewise.
	* cfgexpand.c (LOCAL_ALIGNMENT): Removed.
	* defaults.h (LOCAL_ALIGNMENT): New. Provide default.
	(STACK_SLOT_ALIGNMENT): Likewise.
	* function.c (LOCAL_ALIGNMENT): Removed.
	(get_stack_local_alignment): New.
	(assign_stack_local): Use it.  Set alignment on stack slot.
	(assign_stack_temp_for_type): Use get_stack_local_alignment.
	* config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
	(STACK_SLOT_ALIGNMENT): New.
	* config/i386/i386.c (ix86_local_alignment): Handle caller-save
	stack slot in XFmode.

	* doc/tm.texi (STACK_SLOT_ALIGNMENT): New.

2008-05-26  Kai Tietz  <kai.tietz@onevision.com>

	PR/36321
	* config/i386/i386.md (allocate_stack_worker_64): Make sure
	argument operand in rax isn't removed.

2008-05-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36300
	* fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
	not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR bootstrap/36331
	* c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.

2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>

	* config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
	* config/t-darwin: Use "incpath.h" instead of "c-incpath.h".

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
	build a trampoline if we don't want one.
	* varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
	return zero for nested functions if we don't want a trampoline.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	* doc/invoke.texi: Added f77, f77-cpp-input to list of file types.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/18428
	* c.opt: Removed undocumented option '-lang-fortran'.
	* c-common.h: Removed global variable 'lang_fortran'.
	* c-opts.c (c_common_handle_option): Removed code to handle
	option '-lang-fortran'. Updated includes.
	* c-cppbuiltin.c (c_cpp_builtins): Removed conditional
	definition of '__GFORTRAN__'.
	(define__GNUC__): Reimplemented to use BASEVER and
	cpp_define_formatted.
	(builtin_define_with_value_n): Removed.
	* c-incpath.h: Renamed to ...
	* incpath.h: ... this.
	* c-incpath.c: Renamed to ...
	* incpath.c: ... this. Updated includes.
	* fix-header.c: Updated includes.
	* Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
	(c-cppbuiltin.o): Added dependency on and definition of BASEVER.
	(OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h: Update the table of flags used on tree nodes.
	(TREE_NO_TRAMPOLINE): New accessor for static_flag.
	(SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
	(FORCED_LABEL): Add access check.
	(CALL_EXPR_RETURN_SLOT_OPT): Likewise.
	(ASM_INPUT_P): Likewise.
	(ASM_VOLATILE_P): Likewise.
	(EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
	(OMP_SECTION_LAST): Access private_flag directly.
	(OMP_RETURN_NOWAIT): Likewise.
	(OMP_PARALLEL_COMBINED): Likewise.
	(OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
	(OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
	* tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
	deprecated_flag directly.

2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>

	* final.c (frame_pointer_needed): Removed.
	* flags.h (frame_pointer_needed): Likewise.

	* function.h (rtl_data): Add frame_pointer_needed.
	(frame_pointer_needed): New.

2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>

	* config.gcc (sh2[lbe]*-*-linux*): Allow target.

2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>

	* gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
	SRC is a REG.

2008-05-25  Alan Modra  <amodra@bigpond.net.au>

	* c-common.c (strip_array_types): Move function to..
	* tree.c: ..here.
	(get_inner_array_type): Delete.
	* c-common.h (strip_array_types): Move declaration to..
	* tree.h: ..here.
	(get_inner_array_type): Delete.
	* config/i386/i386.c (x86_field_alignment): Use strip_array_types.
	* config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/pa/pa.c (emit_move_sequence): Likewise.

2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (*sse_prologue_save_insn): Set length
	attribute to 34.

2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>

	* function.c: Include target hook for nonlocal_goto frame value.

2008-05-24  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
	variable can be only accessed through a pointer or a union.

2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
	* doc/extend.texi: Likewise.

2008-05-23  DJ Delorie  <dj@redhat.com>

	* config/m32c/jump.md (untyped_call): Add.

	* config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
	for A24 to PSImode.
	(m32c_address_cost): Detail costs for indirect offsets.

2008-05-23  Rafael Espindola  <espindola@google.com>

	* see.c (see_get_extension_data): Don't use SUBREG_REG to test
	if a node is a SUBREG.
	(see_analyze_one_def): Don't use SUBREG_REG to test if a node
	is a SUBREG.

2008-05-23  Paul Brook  <paul@codesourcery.com>
	    Carlos O'Donell  <carlos@codesourcery.com>

	* doc/extend.texi: Clarify use of __attribute__((naked)).
	* doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
	* target.h (gcc_target): Add allocate_stack_slots_for_args.
	* function.c (use_register_for_decl): Use
	targetm.calls.allocate_stack_slots_for_args.
	* target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
	* config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
	(TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.

2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>

	* config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
	PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
	is only rounded once.

2008-05-23  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.

2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/36079
	* configure.ac: Handle --enable-cld.
	* configure: Regenerated.
	* config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
	* config/i386/i386.h (struct machine_function): Add needs_cld field.
	(ix86_current_function_needs_cld): New define.
	* config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
	(cld): New isns pattern.
	(strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
	cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
	* config/i386/i386.opt (mcld): New option.
	* config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
	TARGET_CLD and ix86_current_function_needs_cld.
	(override_options): Use -mcld by default for 32-bit code if
	USE_IX86_CLD.

	* doc/install.texi (Options specification): Document --enable-cld.
	* doc/invoke.texi (Machine Dependent Options)
	[i386 and x86-64 Options]: Add -mcld option.
	(Intel 386 and AMD x86-64 Options): Document -mcld option.

2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
	* config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
	(return_in_memory_64): Likewise.
	(return_in_memory_ms_64): Likewise.

2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
	* builtins.c (fold_builtin_fpclassify): New.
	(fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
	* builtins.def (BUILT_IN_FPCLASSIFY): New.
	* c-common.c (handle_type_generic_attribute): Adjust to accept
	fixed arguments before an elipsis.
	(check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
	* doc/extend.texi: Document __builtin_fpclassify.

2008-05-22  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (gate_expand_omp_ssa): Remove.
	(pass_expand_omp_ssa): Remove.
	(gate_expand_omp): Do not check for flag_openmp_ssa.
	* common.opt (-fopenmp-ssa): Remove.
	* passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.

2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.opt (mfixed-range): New option.
	* config/sh/sh-protos.h (sh_fix_range): Declare.
	* config/sh/sh.c (sh_fix_range): New function.
	* config/sh/sh.h (sh_fixed_range_str): Declare.
	(OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
	is not empty.
	* doc/invoke.texi (SH Options): Document -mfixed-range.

2008-05-22  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
	it before the redeclaration.

2008-05-22  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (get_sequence_length): Add new function.
	(expand_prologue, expand_epilogue): Remove duplicate code.

2008-05-22  Rafael Espindola  <espindola@google.com>

	* see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
	sharing.

2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>

	* defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
	* doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.

	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
	UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
	(vect_update_misalignment_for_peel): Likewise.
	(vector_alignment_reachable_p): Likewise.
	* tree-vect-transform.c (vectorizable_load): Likewise.
	* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
	(get_vectype_for_scalar_type): Pass mode of scalar_type
	to UNITS_PER_SIMD_WORD.

	* config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.

2008-05-22  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36293
	* tree-vect-transform.c (vect_transform_strided_load): Don't check
	if the first load must be skipped because of a gap.

2008-05-22  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
	more cases of offset disambiguation that is possible if
	strict-aliasing rules apply.
	* tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
	for basic offset and type-based disambiguation.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_var): Use
	ix86_expand_vector_set on V16QImode for SSE4.1.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	* c.opt (Wimport): Mark as undocumented.
	* doc/invoke.texi (Option Summary): Don't mention -Wimport or
	-Wno-import.
	(Warning Options): Likewise.
	* doc/cppopts.texi: Don't mention -Wimport.

2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36287
	PR tree-optimization/36286
	* lambda-code.c (build_access_matrix): Do not use the loop->num
	for computing the number of induction variables: use the loop depth
	instead.

2008-05-21  Kai Tietz  <kai.tietz@onevision.com>

	PR/36280
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
	option -f(no-)leading-underscore.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Use
	GET_MODE_NUNITS (mode).

2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>

	* doc/invoke.texi: Add cpu_type's 464 and 464fp.
	(-mmulhw): Add 464 to description.
	(-mdlmzb): Likewise.
	* config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
	* config/rs6000/rs6000.c (processor_target_table): Add 464 and
	464fp entries.
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
	* config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
	* config/rs6000/rs6000.md: Update comments for 464.

2008-05-21  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_extractv4sf): Removed.
	(vec_extractv2df): Likewise.
	(vec_extractv2di): Likewise.
	(vec_extractv4si): Likewise.
	(vec_extractv8hi): Likewise.
	(vec_extractv16qi): Likewise.
	(vec_extract<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_setv4sf): Removed.
	(vec_setv2df): Likewise.
	(vec_setv2di): Likewise.
	(vec_setv4si): Likewise.
	(vec_setv8hi): Likewise.
	(vec_setv16qi): Likewise.
	(vec_set<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Remove
	goto for vec_concat and vec_interleave.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_initv4sf): Removed.
	(vec_initv2df): Likewise.
	(vec_initv2di): Likewise.
	(vec_initv4si): Likewise.
	(vec_initv8hi): Likewise.
	(vec_initv16qi): Likewise.
	(vec_init<mode>): New.

2008-05-21  Joseph Myers  <joseph@codesourcery.com>

	* collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	* ggc-zone.c (lookup_page_table_if_allocated): New function.
	(zone_find_object_offset): Likewise.
	(gt_ggc_m_S): Likewise.
	(highest_bit): Likewise.
	* ggc-page.c (gt_ggc_m_S): New function.
	* stringpool.c (string_stack): Remove.
	(init_stringpool): Update.
	(ggc_alloc_string): Use ggc_alloc.
	(maybe_delete_ident): New function.
	(ggc_purge_stringpool): Likewise.
	(gt_ggc_m_S): Remove.
	* ggc-common.c (ggc_protect_identifiers): New global.
	(ggc_mark_roots): Call ggc_purge_stringpool.  Use
	ggc_protect_identifiers.
	* ggc.h (ggc_protect_identifiers): Declare.
	(gt_ggc_m_S): Update.
	(ggc_purge_stringpool): Declare.
	* toplev.c (compile_file): Set and reset ggc_protect_identifiers.
	* gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
	special case.
	(write_root): Cast gt_ggc_m_S to gt_pointer_walker.

2008-05-21  David S. Miller  <davem@davemloft.net>

	* config.gcc (sparc-*-linux*): Always include sparc/t-linux in
	tmake_file.

2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
	once finished.

2008-05-20  David Daney  <ddaney@avtrex.com>

	* config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
	UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
	(UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
	UNSPEC_UPDATE_GOT_VERSION): Renumber.
	(optab, insn): Add 'plus' and 'minus' to define_code_attr.
	(atomic_hiqi_op): New define_code_iterator.
	(sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
	mips_expand_compare_and_swap_12.
	(compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
	MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
	(sync_<optab><mode>, sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
	sync_new_nand<mode>): New define_expands for HI and QI mode operands.
	(sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
	sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
	(sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
	(test_and_set_12): New insn.
	(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>):  Add early
	clobber to operand 0 for SI and DI mode insns.
	* config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
	mips_gen_fn_4): New typedefs.
	(mips_gen_fn_ptrs): Define new union type.
	(mips_expand_compare_and_swap_12): Remove declaration.
	(mips_expand_atomic_qihi): Declare function.
	* config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
	(mips_expand_atomic_qihi): ... this.  Use new generator function
	parameter.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
	(MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
	(MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
	MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
	MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
	MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
	MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
	MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
	MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
	MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
	New macros.

2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
	the missing break.

2008-05-20  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (machine_function): Add 'is_OS_main' field.
	* config/avr/avr.c (avr_OS_main_function_p): Add new function.
	(avr_attribute_table): Add 'OS_main' function attribute.
	(avr_regs_to_save, expand_prologue, expand_epilogue): Handle
	functions with 'OS_main' attribute.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35204
	* tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
	helper, split out from ...
	(DFS): ... here.  Make the DFS walk non-recursive.

2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/36181
	* tree-parloops.c (loop_has_vector_phi_nodes): New.
	(parallelize_loops): Don't parallelize when the loop has vector
	phi nodes.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-loop-linear.c (gather_interchange_stats): Look in the access
	matrix, and never look at the tree representation of the memory
	accesses.
	(linear_transform_loops): Computes parameters and access matrices.
	* tree-data-ref.c (compute_data_dependences_for_loop): Returns false
	when fails.
	(access_matrix_get_index_for_parameter): New.
	* tree-data-ref.h (struct access_matrix): New.
	(AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
	AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
	AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
	am_vector_index_for_loop): New.
	(struct data_reference): Add field access_matrix.
	(DR_ACCESS_MATRIX): New.
	(compute_data_dependences_for_loop): Update declaration.
	(lambda_collect_parameters, lambda_compute_access_matrices): Declared.
	* lambda.h (lambda_vector_vec_p): Declared.
	* lambda-code.c: Depend on pointer-set.h.
	(lambda_collect_parameters_from_af, lambda_collect_parameters,
	av_for_af_base, av_for_af, build_access_matrix,
	lambda_compute_access_matrices): New.
	* Makefile.in (lambda-code.o): Depend on pointer-set.h.

2008-05-20  Joseph Myers  <joseph@codesourcery.com>

	* doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
	$SOURCEDIR/include.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36206
	* tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
	FOLD_CONVERSIONS.
	(instantiate_scev_1): Rename flags to fold_conversions.
	Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
	outeside instantiation_loop.
	* tree-chrec.h (evolution_function_is_affine_in_loop): New.
	(evolution_function_is_affine_or_constant_p): Removed.
	* tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
	instantiate_scev.
	(analyze_siv_subscript): Pass in the loop nest number.
	Call evolution_function_is_affine_in_loop instead of 
	evolution_function_is_affine_p.
	(analyze_overlapping_iterations): Pass in the loop nest number.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36206
	* tree-chrec.h (chrec_fold_op): New.
	* tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
	and other trees.

2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>

	* c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
	(DIRS_EQ): New.
	(remove_duplicates): Do not set inode on non-inode systems.
	Use DIRS_EQ.

2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>

	* config.gcc (tm_file): Update comments about relative pathnames.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
	* tree-ssa-sccvn.c (process_scc): Likewise.
	* tree-ssa-sink.c (execute_sink_code): Likewise.
	* tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
	* tree-vrp.c (process_assert_insertions): Likewise.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
	(perform_tree_ssa_dce): Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
	(dump_dominator_optimization_stats): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.

2008-05-20  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386-protos.h (ix86_return_in_memory): Removed.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.
	* config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
	(SUBTARGET_RETURN_IN_MEMORY): New.
	* config/i386/i386elf.h: Likewise.
	* config/i386/ptx4-i.h: Likewise.
	* config/i386/sol2-10.h: Likewise.
	* config/i386/sysv4.h: Likewise.
	* config/i386/vx-common.h: Likewise.
	* config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
	* config/i386/i386.c (ix86_return_in_memory): Made static and
	make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
	(ix86_i386elf_return_in_memory): Removed.
	(ix86_i386interix_return_in_memory): Removed.
	(TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
	* target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.

2008-05-20  Alexandre Oliva  <aoliva@redhat.com>

	* cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.

2008-05-19  Xinliang David Li  <davidxl@google.com>

	* tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
	* opts.c: Ditto.
	* common.opt: Ditto.
	* doc/invoke.texi: Ditto.

2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
	(substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_concat): Change
	sizes of operand array from 8/4 to 4/2.
	(ix86_expand_vector_init_general): Change size of operand array
	from 32 to 16.  Remove op0, op1 and half_mode.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_concat): New.
	(ix86_expand_vector_init_interleave): Likewise.
	(ix86_expand_vector_init_general): Use them.  Assert
	word_mode == SImode when n_words == 4.

2008-05-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_secondary_reload): New static function.
	(TARGET_SECONDARY_RELOAD): New define.
	* config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
	* config/i386/i386.md (reload_outqi): Remove.

2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR middle-end/35509
	* builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
	Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
	(mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
	(fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
	(fold_builtin_1): Likewise.
	* builtins.def (BUILT_IN_ISINF_SIGN): New.
	c-common.c (check_builtin_function_arguments): Handle
	BUILT_IN_ISINF_SIGN.
	* doc/extend.texi: Document __builtin_isinf_sign.
	* fold-const.c (operand_equal_p): Handle COND_EXPR.

2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
	EH cleanup at the end of the pass, search for those that have been
	turned into forwarder blocks and do the cleanup on their successor.

2008-05-18  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_expr): Allow conversions from
	pointers to sizetype and vice versa.

2008-05-18 Xinliang David Li   <davidxl@google.com>

	* gcc/tree-ssa-dce.c: Coding style fix.
	(check_pow): Documentation comment. 
	(check_log): Documenation comment. Coding style fix.
	(is_unnecessary_except_errno_call): Ditto.
	(gen_conditions_for_pow): Ditto.
	(gen_conditions_for_log): Ditto.
	(gen_shrink_wrap_conditions): Ditto.
	(shrink_wrap_one_built_in_calls): Ditto.
	* gcc/doc/invoke.texi: Better documentation string.
	* ChangeLog: Fix wrong change log entries from 
	May 17 checkin on function call DCE.

2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.

2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
	* df-problems.c (simulation routines): Fixed block comment to
	properly say how to add forwards scanning functions.
	
2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-inline.c (setup_one_parameter): Remove dead code.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
	a BIT_AND_EXPR only for an INTEGER_TYPE.

2008-05-17 Xinliang David Li   <davidxl@google.com>

	* gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
	(check_pow, check_log, is_unnecessary_except_errno_call): New 
	functions to check for eliminating math functions that are pure 
	except for setting errno.
	(gen_conditions_for_pow, gen_conditionas_for_log): New functions to
	general condition expressions for shrink-wrapping pow/log calls.
	(gen_shrink_wrap_conditions): Ditto.
	(shrink_wrap_one_built_in_call): Ditto.
	(shrink_wrap_conditional_dead_built_in_calls): Ditto.
	(mark_operand_necessary): If debugging, output if OP is necessary.
	(eliminate_unnecessary_stmts): Eliminate pow, log calls that are
	unnecessary.
	* gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
	opt level >= 2.
	* gcc/common.opt: New user flag -ftree-builtin-dce.
	* gcc/doc/invoke.texi (-ftree-builtin-dce): New option.

2008-05-16  David S. Miller  <davem@davemloft.net>

	* config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
	* config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-16  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36246
	* config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* ifcvt.c (dead_or_predicable): Rename
	df_simulate_one_insn_backwards to df_simulate_one_insn.
	* recog.c (peephole2_optimize): Ditto.
	* rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
	Ditto.
	* df.h: Rename df_simulate_one_insn_backwards to
	df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
	* df-problems.c (df_simulate_artificial_refs_at_top) Reversed
	scanning of defs and uses.
	(df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
	(df_simulate_one_insn_forwards): Removed.

2008-05-16  Doug Kwan  <dougkwan@google.com>

	* real.c (real_to_decimal, real_to_hexadecimal): Distinguish
	QNaN & SNaN.
	(real_from_string): Handle NaNs and Inf as approriate.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

	* doc/gty.texi (Source Files Containing Type Information): Note
	that headers should appear first in the gtfiles list.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* tree.def (COND_EXEC): Properly documented this code.

2008-05-16  Diego Novillo  <dnovillo@google.com>

	* dwarf2asm.c (dw2_assemble_integer): Clarify comment.
	* tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
	the new field.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* tree-ssa-dse (max_stmt_uid): Removed.
	(get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
	tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
	* tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
	* function.h (cfun.last_stmt_uid): New field.
	* tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
	gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
	New functions.
	* tree-dfa.c (renumber_gimple_stmt_uids): New function.
	(create_stmt_ann): Initialize the ann->uid field.
	* tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
	with new calls.
	* tree-flow.h (renumber_gimple_stmt_uids): New function.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

	* tree-flow.h (init_empty_tree_cfg_for_function): Declare.
	* tree-cfg.c (init_empty_tree_cfg_for_function): Define.
	(init_empty_tree_cfg): Call it.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
	Update all users.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/invoke.text (-fdump-tree-*-verbose): New option.
	* tree-dump.c (dump_options): New verbose option.
	* tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
	Add verbose dump.
	* tree-pass.h (TDF_VERBOSE): New dump flag.
	* print-tree.c (print_node): Added code to be able to print PHI_NODES.
	(tree-flow.h): Added include.
	* Makefile.in (print-tree.o):  Added TREE_FLOW_H.

2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.

	From Jie Zhang  <jie.zhang@analog.com>
	* config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
	mcpu=bf561-none and mcpu=bf561-0.2.
	* config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
	* config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
	* config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
	(LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
	option.
	* config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
	(cputype_selected): Remove.
	(bfin_handle_option): Don't use cputype_selected.
	(override_options): When no mcpu option, enable all workarounds.
	Don't use bfin_workarounds.
	* config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
	processor type.
	(DEFAULT_CPU_TYPE): Don't define.

2008-05-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
	on deletion of the last stmt.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Optimize
	V8HImode for SSE2 and V16QImode for SSE4.1.

2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>

	* cgraph.h (compute_inline_parameters): Made public.
	* tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
	variable_generate_summary, function_write_summary,
	variable_write_summary, variable_read_summary.  Added generate_summary,
	write_summary, read_summary.
	* cgraphunit.c (cgraph_process_new_functions): Changed call from
	pass_ipa_inline.function_generate_summary, to
	compute_inline_parameters. 
	* ipa-inline.c (compute_inline_parameters): Made public and added
	node parameter.
	(compute_inline_parameters_for_current): New function.
	(pass_inline_param): Now calls compute_inline_parameters_for_current.
	(inline_generate_summary): Removed parameter and made to loop over
	all cgraph nodes.
	(pass_ipa_inline): Updated for new IPA_PASS structure.
	* passes.c (execute_ipa_summary_passes): Now is called once per
	pass rather than once per node*pass.
	
2008-05-15  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
	avr_have_mul_p, avr_asm_only_p): Remove variables.
	(avr_override_options): Remove initialization of removed variables.
	(avr_file_start):  Convert removed variables to fields of 
	'struct base_arch_s *avr_current_arch'. 
	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
	(AVR_HAVE_MUL): (Ditto.).
	(AVR_HAVE_MOVW): (Ditto.).
	(AVR_HAVE_LPMX): (Ditto.). 
	(avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
	avr_asm_only_p): Remove declaration.

2008-05-15  Diego Novillo  <dnovillo@google.com>

	* config/arm/arm.c (arm_return_in_memory): Fix return type.
	* config/arm/arm-protos.h (arm_return_in_memory): Likewise.

2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>

	PR middle-end/36194
	* combine.c (check_conversion): Rename back to check_promoted_subreg.
	Don't call record_truncated_value from here.
	(record_truncated_value): Turn it into a for_each_rtx callback.
	(record_truncated_values): New function.
	(combine_instructions): Call note_uses with record_truncated_values.
	Change name of check_conversion to check_promoted_subreg. 

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi: Document support for torture tests.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
	to alternative 4 of operand 2.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	* tree-pass.h (current_pass): Declare.
	(get_pass_for_id): Likewise.
	* passes.c (passes_by_id, passes_by_id_size): New globals.
	(set_pass_for_id): New function.
	(get_pass_for_id): Likewise.
	(register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
	(execute_function_todo): Flush per function statistics.
	* toplev.c (compile_file): Init statistics.
	(general_init): Do early statistics initialization.
	(finalize): Finish statistics.
	* statistics.h (statistics_early_init): Declare.
	(statistics_init): Likewise.
	(statistics_fini): Likewise.
	(statistics_fini_pass): Likewise.
	(statistics_counter_event): Likewise.
	(statistics_histogram_event): Likewise.
	* statistics.c: New file.
	* Makefile.in (OBJS-common): Add statistics.o.
	(statistics.o): Add dependencies.
	* doc/invoke.texi (-fdump-statistics): Document.

	* tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
	(insert): Likewise.
	(execute_pre): Use statistics_counter_event.
	* tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
	(substitute_and_fold): Increment it.  Use statistics_counter_event.

2008-05-15  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

	* treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
	* tree-ssa-alias.c (new_type_alias): Remove references to
	sub-variables from comment.
	* tree-ssa-operands.c (swap_tree_operands): Likewise.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
	attribute to 1 only for insertps alternative.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.md (loadbytes): New pattern.
	* config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
	(bfin_init_builtins): Initialize it.
	(bdesc_1arg): Add it.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

	* testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
	* testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
	* testsuite/lib/target-supports.exp: Add
	check_effective_target_fortran_integer_16.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
	* config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
	(TARGET_RETURN_IN_MEMORY): Define.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36244
	* tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
	* tree-flow-inline.h (unmodifiable_var_p): Memory tags never
	represent unmodifiable vars.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Allow all kinds of
	INDIRECT_REF and TARGET_MEM_REF.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
	TARGET_MEM_REF.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
	(*vec_concatv2si_sse4_1): Use vector_move_operand predicate
	for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
	insn alternatives.  Add missing alternatives.
	(*vec_concatv2di_rex64_sse4_1): Likewise.
	(*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
	(*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
	Require TARGET_SSE.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36009
	PR tree-optimization/36204
	* tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
	(determine_invariantness_stmt): Record the loop a store is
	always executed in.
	* Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
	dependency.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34330
	* tree-ssa-alias.c (get_smt_for): Only assert that accesses
	through the pointer will alias the SMT.

2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>

	* config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.

2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

	* optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
	OTI_vrotl, OTI_vrotr to support vector/vector shifts.
	(vashl_optab): New optab for vector/vector shifts.
	(vashr_optab): Ditto.
	(vlshr_optab): Ditto.
	(vrotl_optab): Ditto.
	(vrotr_optab): Ditto.
	(optab_subtype): New enum for optab_for_tree_code call.
	(optab_for_tree_code): Add enum optab_subtype argument.

	* optabs.c (optab_for_tree_code): Take an additional argument to
	distinguish between a vector shift by a scalar and vector shift by
	a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
	shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
	vector shift by a vector.
	(expand_widen_pattern_expr): Pass additional argument to
	optab_for_tree_code.

	* genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
	vrotl_optab, vrotr_optab.

	* expr.c (expand_expr_real_1): Update calls to
	optab_for_tree_code to distinguish between vector shifted by a
	scalar and vector shifted by a vector.
	* tree-vectorizer.c (supportable_widening_operation): Ditto.
	(supportable_narrowing_operation): Ditto.
	* tree-vect-analyze.c (vect_build_slp_tree): Ditto.
	* tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
	* tree-vect-transform.c (vect_model_reduction_cost): Ditto.
	(vect_create_epilog_for_reduction): Ditto.
	(vectorizable_reduction): Ditto.
	(vectorizable_operation): Ditto.
	(vect_strided_store_supported): Ditto.
	(vect_strided_load_supported): Ditto.
	* tree-vect-generic.c (expand_vector_operations_1): Ditto.
	* expmed.c (expand_shift): Ditto.

	* doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
	scalar type.
	(ashr@var{m}3): Ditto.
	(vashl@var{m}3): Document new vector/vector shift standard name.
	(vashr@var{m}3): Ditto.
	(vlshr@var{m}3): Ditto.
	(vrotl@var{m}3): Ditto.
	(vrotr@var{m}3): Ditto.

	* config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
	(PPERM_INVERT): Ditto.
	(PPERM_REVERSE): Ditto.
	(PPERM_REV_INV): Ditto.
	(PPERM_ZERO): Ditto.
	(PPERM_ONES): Ditto.
	(PPERM_SIGN): Ditto.
	(PPERM_INV_SIGN): Ditto.
	(PPERM_SRC1): Ditto.
	(PPERM_SRC2): Ditto.

	* config/i386/sse.md (mulv2di3): Add SSE5 support.
	(sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
	allows a memory operand to be the value being added, and split it
	to improve vectorization.
	(sse5_pmacsdqh_mem): Ditto.
	(sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
	(sse5_mulv2div2di3_high): Ditto.
	(vec_pack_trunc_v8hi): Add SSE5 pperm support.
	(vec_pack_trunc_v4si): Ditto.
	(vec_pack_trunc_v2di): Ditto.
	(sse5_pcmov_<mode>): Remove code that tried to use use
	andps/andnps instead of pcmov.
	(vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
	pmacsdqh instructions.
	(vec_widen_smult_lo_v4si): Ditto.

	* config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
	(PPERM_INVERT): Ditto.
	(PPERM_REVERSE): Ditto.
	(PPERM_REV_INV): Ditto.
	(PPERM_ZERO): Ditto.
	(PPERM_ONES): Ditto.
	(PPERM_SIGN): Ditto.
	(PPERM_INV_SIGN): Ditto.
	(PPERM_SRC1): Ditto.
	(PPERM_SRC2): Ditto.
	(ix86_expand_sse_movcc): Move the SSE5 test after the if
	true/false tests.
	(ix86_expand_int_vcond): If SSE5 generate all possible integer
	comparisons.
	(ix86_sse5_valid_op_p): Allow num_memory to be negative, which
	says ignore whether the last reference is a memory operand.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
	    Paolo Bonzini <bonzini at gnu dot org>

	* config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
	shift patterns.

	* config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
	(vlshr<mode>3): Rename from vlshr<mode>3.
	(vashr<mode>3): Rename from vashr<mode>3.
	(mulv4sf3): Change the names of vector shift patterns.
	(mulv4si3): Ditto.
	(negv4sf2): Ditt.

	* config/spu/spu.c (spu_initialize_trampoline): Rename vector
	shift insns.

	* config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
	(SI_SHLHI): Ditto.
	(SI_SHL): Ditto.
	(SI_SHLI): Ditto.
	(SI_ROTH): Ditto.
	(SI_ROTHI): Ditto.
	(SI_ROT): Ditto.
	(SI_ROTI): Ditto.
	(SPU_RL_0): Ditto.
	(SPU_RL_1): Ditto.
	(SPU_RL_2): Ditto.
	(SPU_RL_3): Ditto.
	(SPU_RL_4): Ditto.
	(SPU_RL_5): Ditto.
	(SPU_RL_6): Ditto.
	(SPU_RL_7): Ditto.
	(SPU_SL_0): Ditto.
	(SPU_SL_1): Ditto.
	(SPU_SL_2): Ditto.
	(SPU_SL_3): Ditto.
	(SPU_SL_4): Ditto.
	(SPU_SL_5): Ditto.
	(SPU_SL_6): Ditto.
	(SPU_SL_7): Ditto.

	* config/spu/spu.md (v): New iterator macro to add v for vector types.
	(floatunssidf2_internal): Change vector/vector shift names.
	(floatunsdidf2_internal): Ditto.
	(mulv8hi3): Ditto.
	(ashrdi3): Ditto.
	(ashrti3): Ditto.
	(cgt_df): Ditto.
	(cgt_v2df): Ditto.
	(dftsv): Ditto.
	(vashl<mode>3): Rename from ashl<mode>3.
	(vashr<mode>3): Rename from ashr<mode>3.
	(vlshr<mode>3): Rename from lshr<mode>3.
	(vrotl<mode>3): Rename from rotl<mode>3.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>

	PR target/36224
	* config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
	multiply gives the wrong value when doing widening multiplies.
	(vec_widen_smult_lo_v4si): Ditto.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

	* optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
	LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
	emit_library_call_value. 
	* builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
	* tree.h (ECF_LIBCALL_BLOCK): Removed.
	* calls.c (initialize_argument_information, precompute_arguments, 
	expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
	(precompute_arguments): Removed flags parameter.
	* rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
	
2008-05-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
	Make sure to register the store if the use is a PHI_NODE.

2008-05-14  Olivier Hainque  <hainque@adacore.com>

	* expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
	memory if the component is to be referenced in BLKmode according
	to get_inner_reference.

2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>

	* calls.c (emit_library_call_value_1): Restore code clearing
	ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.

2008-05-14  Olivier Hainque  <hainque@adacore.com>
	    Nicolas Roche  <roche@adacore.com>

	* configure.ac: Add support for a "gcc_subdir" variable in
	config-lang.in, to denote a subdirectory where the language/GCC
	integration files are to be found.
	* configure: Regenerate.

2008-05-14  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36098
	* tree-vect-analyze.c (vect_analyze_group_access): Set the gap
	value for the first load in the group in case of a gap.
	(vect_build_slp_tree): Check that there are no gaps in loads.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
	* optabs.c (expand_binop, expand_absneg_bit, expand_unop,
	expand_copysign_bit, ): Change call to emit_no_conflict_block to
	emit_insn and remove unneeded code to construct extra args.
	(emit_no_conflict_block): Removed.
	* optabls.h: (emit_no_conflict_block): Removed.
	* cse.c (cse_extended_basic_block): Remove search for
	REG_NO_CONFLICT note.
	* global.c: Removed incorrect comment added in revision 117.
	* expr.c (convert_move): Change call to emit_no_conflict_block to
	emit_insn.
	* recog.c: Change comments so that they do not mention
	REG_NO_CONFLICT.
	* local_alloc.c (combine_regs): Removed last parameter.
	(no_conflict_p): Removed.
	(block_alloc): Removed note, no_conflict_combined_regno and set
	local vars. Removed all code to process REG_NO_CONFLICT blocks.
	(combine_regs): Removed already_dead and code to look for
	REG_NO_CONFLICT notes.
	* lower_subreg (remove_retval_note): Removed code to look for
	REG_NO_CONFLICT block.
	(resolve_reg_notes): Removed REG_NO_CONFLICT case.
	(resolve_clobber): Remove code to process libcalls that have
	REG_NO_CONFLICT notes.
	* loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
	case.
	* combine.c (can_combine_p, distribute_notes):  Removed
	REG_NO_CONFLICT case.
	* config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
	to emit_insns.
	* config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
	* config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
	Ditto.
	* reg-notes.def (NO_CONFLICT): Removed.

2008-05-14  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.c (sparc_profile_hook): If
	NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
	* config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
	* config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (cse_cc_succs): Invoke delete_insn_and_edges.

2008-05-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36222
	* config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
	and op1 expansion before vector concat to have less live pseudos.

2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
	ix86_expand_vector_set if supported.

2008-05-13  Diego Novillo  <dnovillo@google.com>
	    Kenneth Zadeck  <zadeck@naturalbridge.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

	* tree.h (init_phinodes, fini_phinodes, release_phi_node,
	phinodes_print_statistics, init_ssanames, fini_ssanames,
	make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
	release_ssa_name, release_defs, replace_ssa_name_symbol,
	ssanames_print_statistics): Move ...
	* tree-flow.h: ... here.
	* tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
	Use FN instead of cfun.
	(make_ssa_name_fn): Rename from make_ssa_name.
	(pass_release_ssa_names): Add TODO_dump_func to finish flags.
	* tree-flow-inline.h (make_ssa_name): Move from
	tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
	* omp-low.c (expand_omp_parallel):
	* tree-flow-inline.h (redirect_edge_var_map_result):
	* tree-ssa.c (init_tree_ssa): Add argument FN.
	Use it instead of cfun.  Update all users.

2008-05-13  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/22168:
	* doc/cpp.texi (Top): Update menu.
	(Alternatives to Wrapper #ifndef): New node.
	(Other Directives): Document deprecation.
	(Obsolete Features): Remove menu.
	(Assertions): Merge node into Obsolete Features.
	(Obsolete once-only headers): Move earlier; rename to Alternatives
	to Wrapper #ifndef.
	* doc/cppopts.texi: Update.
	* c.opt (Wdeprecated): Enable for C and ObjC.
	* doc/invoke.texi (Option Summary): Move -Wno-deprecated.
	(C++ Dialect Options): Move -Wno-deprecated from here to...
	(Warning Options): ... here.

2008-05-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36227
	* fold-const.c (fold_sign_changed_comparison): Do not allow
	changes in pointer-ness.

2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/24713
	* config/sh/sh.c (sh_expand_prologue): Don't clear
	RTX_FRAME_RELATED_P for push insns.

2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>

	* config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.

2008-05-12  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (machine_function): Add 'is_leaf' field.
	* config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
	Use 'machine->is_leaf' instead of 'leaf_func_p'.

2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*sse_concatv4sf): Renamed to ...
	(*vec_concatv4sf_sse): This.
	(*sse2_concatv2si): Renamed to ...
	(*vec_concatv2si_sse2): This.
	(*sse1_concatv2si): Renamed to ...
	(*vec_concatv2si_sse): This.
	(*vec_concatv2di_rex): Renamed to ...
	(*vec_concatv2di_rex64): This.
	(*vec_concatv2si_sse4_1): New.
	(*vec_concatv2di_rex64_sse4_1): Likewise.

2008-05-12  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/36111
	* recog.c (validate_replace_rtx_1): Unshare new RTL expression
	that was created for swappable operands.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>

	PR ada/36001
	* Makefile.in: Substitute GNATMAKE and GNATBIND.
	* configure.ac: Add call to ACX_PROG_GNAT.

2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>

	* optc-gen.awk: Fix comment typo.

2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

	* pretty-print.c (pp_integer_with_precision): Use
	HOST_LONG_LONG_FORMAT.

2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
		
2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (bdesc_ptest): Removed.
	(ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
	(bdesc_args): Add __builtin_ia32_ptestz128,
	__builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
	(ix86_expand_builtin): Updated.

2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree-cfg.c (valid_fixed_convert_types_p): New function.
	(verify_gimple_expr): Handle FIXED_CONVERT_EXPR.

2008-05-10  Uros Bizjak  <ubizjak@gmail.com>

	* value-prof.c (interesting_stringop_to_profile): Do not
	return early for BUILT_IN_MEMPCPY.

2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>

	* calls.c (expand_call): Don't use callgraph to increase
	preferred_stack_boundary.

	* cgraph.h (cgraph_rtl_info): Use unsigned on
	preferred_incoming_stack_boundary.

	* final.c (rest_of_clean_state): Use unsigned on
	preferred_stack_boundary.

2008-05-09  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/22231:
	* c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
	proceeding.

2008-05-09  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/36129
	* tree-ssa-ccp.c: Include value-prof.h.
	(execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
	built-in function was folded to a constant.
	* Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h

2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c: Document instantiate_scev.
	(instantiate_parameters_1): Renamed instantiate_scev_1.
	Don't use the same loop for instantiation_loop and evolution_loop.
	(instantiate_scev): New.
	(instantiate_parameters): Moved...
	(resolve_mixers): Update call to instantiate_scev_1 to pass the
	same loop twice.  Maintains the semantics for this function.
	* tree-scalar-evolution.h (instantiate_scev): Declare.
	(instantiate_parameters): ...here.  Now static inline.
	* tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
	instead of resolve_mixers.

2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* rtl-factoring.c (collect_pattern_seqs): Fix typo.

2008-05-09  Tomas Bily  <tbily@suse.cz>

	* config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
	* tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
	* tree-ssa-structalias.c (get_constraint_for): Likewise.
	* c-common.c (c_common_truthvalue_conversion): Likewise.
	* tree-object-size.c (compute_object_offset): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* varasm.c (const_hash_1, compare_constant, copy_constant)
	(compute_reloc_for_constant, output_addressed_constants)
	(initializer_constant_valid_p): Likewise.
	* c-omp.c (check_omp_for_incr_expr): Likewise.
	* gimplify.c (gimplify_expr): Likewise.
	* c-typeck.c (c_finish_return): Likewise.
	* tree-vectorizer.c (supportable_widening_operation)
	(supportable_narrowing_operation): Likewise.
	* c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
	* matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
	* expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
	(descr_info_loc): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
	* fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
	(fold_unary): Likewise.
	* builtins.c (get_pointer_alignment): Likewise.
	* tree-scalar-evolution.c (interpret_rhs_modify_stmt)
	(instantiate_parameters_1): Likewise.
	* tree.c (expr_align, stabilize_reference): Likewise.
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
	* convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
	* config/alpha/alpha.c (va_list_skip_additions): Likewise.
	* c-common.c (c_alignof_expr, check_function_arguments_recurse):
	Likewise.
	* tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
	* varasm.c (initializer_constant_valid_p, output_constant): Likewise.
	* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
	(forward_propagate_addr_expr_1, forward_propagate_addr_expr)
	(forward_propagate_comparison)
	(tree_ssa_forward_propagate_single_use_vars): Likewise.
	* cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
	* emit-rtl.c (component_ref_for_mem_expr)
	(set_mem_attributes_minus_bitpos): Likewise.
	* tree-ssa-phiopt.c (conditional_replacement): Likewise.
	* gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
	Likewise.
	* c-typeck.c (default_function_array_conversion, build_indirect_ref)
	(build_function_call, pointer_diff, build_compound_expr)
	(c_finish_return): Likewise.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
	* matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
	Likewise.
	* tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
	* expr.c (is_aligning_offset): Likewise.
	* tree-ssa-alias.c (is_escape_site): Likewise.
	* tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
	(check_all_va_list_escapes): Likewise.
	* tree-ssa-loop-ivopts.c (determine_base_object)
	(determine_common_wider_type): Likewise.
	* dojump.c (do_jump): Likewise.
	* tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
	* tree-gimple.c (is_gimple_cast): Likewise.
	* fold-const.c (decode_field_reference, )
	(fold_sign_changed_comparison, fold_unary, fold_comparison)
	(fold_binary): Likewise.
	* tree-ssa-alias-warnings.c (find_alias_site_helper)
	(already_warned_in_frontend_p): Likewise.
	* builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
	* tree.c (really_constant_p, get_unwidened): Likewise.
	* tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
	* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
	* tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
	Likewise.
	* tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
	CONVERT_EXPR_P.
	(CONVERT_EXPR_P): Define.
	(CASE_CONVERT): Define.
	
2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/36117
	* dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
	(delete_unmarked_insns): When deleting a call, call
	delete_unreachable_blocks.
	* rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
	RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (-fdump-tree-salias): Remove documentation.
	(-ftree-salias): Likewise.
	(salias-max-implicit-fields): Remove param documentation.
	(salias-max-array-elements): Likewise.
	* tree-pass.h (pass_create_structure_vars): Remove.
	* params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
	(SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
	* tree-ssa-alias.c (create_structure_vars): Remove.
	(gate_structure_vars): Likewise.
	(pass_create_structure_vars): Likewise.
	(gate_build_alias): Likewise.
	(pass_build_alias): Adjust to run always and dump the function.
	* common.opt (ftree-salias): Hide.
	* passes.c (init_optimization_passes): Remove
	pass_create_structure_vars, adjust comment.
	* params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
	(PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
	* opts.c (decode_options): Do not set flag_tree_salias.
	(common_handle_option): Add OPT_ftree_salias to the backward
	compatibility section.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (var_can_have_subvars): Move ...
	* tree-ssa-structalias.c (var_can_have_subvars): ... here.
	* tree-flow.h (var_can_have_subvars): Remove.
	(push_fields_onto_fieldstack): Remove.
	(sort_fieldstack): Likewise.
	(struct fieldoff): Move ...
	* tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
	alias_set and base_for_components fields.
	(sort_fieldstack): Make static.
	(push_fields_onto_fieldstack): Likewise.  Remove code that
	handles anything but RECORD_TYPEs.  Remove alias_set and
	base_for_components handling.
	(create_variable_info_for): Adjust.

2008-05-08  Seongbae Park  <seongbae.park@gmail.com>

	* common.opt (Wframe-larger-than=): Shorten the help message
	to one line.
	* doc/invoke.texi (Wframe-larger-than=): Add more description.

2008-05-08  Rafael Espindola  <espindola@google.com>

	* tree-complex.c (expand_complex_div_wide): Don't create CONDs that
	trap.
	* tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
	trap and that both operands are gimple values.
	(canonicalize_cond_expr_cond): Use is_gimple_condexpr.
	* gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
	is a fp operation.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	* read-rtl.c (join_c_conditions): Return the first string if the
	two strings are equal.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	* gensupport.h (pred_data): Add a "num_codes" field.
	(add_predicate_code): Declare.
	* gensupport.c (add_predicate_code): New function.
	(std_pred_table): Add an "allows_const_p" field.
	(std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
	Remove the (incomplete) list of such codes from the codes field.
	(init_predicate_table): Use add_predicate_code.  Add all
	RTX_CONST_OBJs if allows_const_p is true.
	* genrecog.c (process_define_predicate): Use add_predicate_code.

2008-05-08  David Daney  <ddaney@avtrex.com>
	    Richard Sandiford  <rsandifo@nildram.co.uk>
	
	* config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
	special case of constant zero operands.
	* config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
	old and	new values.  Special case constant zero values.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
	fails.
	(MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
	(MIPS_COMPARE_AND_SWAP_12_0): New macro.

2008-05-08  Paolo Bonzini  <bonzini@gnu.org>

	PR target/36090
	* simplify-rtx.c (simplify_plus_minus): Create CONST of
	similar RTX_CONST_OBJ before CONST_INT.

2008-05-08  Steve Ellcey  <sje@cup.hp.com>

	* stmt.c (expand_stack_restore): Change sa mode if needed.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* config/i386/i386-protos.h (ix86_return_in_memory): Adjust
	return type to bool.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.
	* config/i386/i386.c (ix86_return_in_memory): Likewise.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/36180
	* calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
	fndecl argument.
	(emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
	* target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
	declared in front.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
	* tree-data-ref.h (struct dr_alias): Remove subvars field.
	(DR_SUBVARS): Remove.
	* tree-dfa.c (dump_subvars_for): Remove.
	(debug_subvars_for): Likewise.
	(dump_variable): Do not dump subvars.
	(remove_referenced_var): Do not remove subvars.
	* tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
	(lookup_subvars_for_var): Remove.
	(get_subvars_for_var): Likewise.
	(get_subvars_at): Likewise.
	(get_first_overlapping_subvar): Likewise.
	(overlap_subvar): Likewise.
	* tree-flow.h (subvar_t): Remove.
	(struct var_ann_d): Remove subvars field.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
	argument.  Remove special handling of SFTs.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(compute_call_clobbered): Likewise.
	(count_mem_refs): Likewise.
	(compute_memory_partitions): Likewise.
	(compute_flow_insensitive_aliasing): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(struct used_part): Remove.
	(used_portions): Likewise.
	(struct used_part_map): Likewise.
	(used_part_map_eq): Likewise.
	(used_part_map_hash): Likewise.
	(free_used_part_map): Likewise.
	(up_lookup): Likewise.
	(up_insert): Likewise.
	(get_or_create_used_part_for): Likewise.
	(create_sft): Likewise.
	(create_overlap_variables_for): Likewise.
	(find_used_portions): Likewise.
	(create_structure_vars): Likewise.
	* tree.def (STRUCT_FIELD_TAG): Remove.
	* tree.h (MTAG_P): Adjust.
	(struct tree_memory_tag): Remove base_for_components and
	unpartitionable flags.
	(struct tree_struct_field_tag): Remove.
	(SFT_PARENT_VAR): Likewise.
	(SFT_OFFSET): Likewise.
	(SFT_SIZE): Likewise.
	(SFT_NONADDRESSABLE_P): Likewise.
	(SFT_ALIAS_SET): Likewise.
	(SFT_UNPARTITIONABLE_P): Likewise.
	(SFT_BASE_FOR_COMPONENTS_P): Likewise.
	(union tree_node): Remove sft field.
	* alias.c (get_alias_set): Remove special handling of SFTs.
	* print-tree.c (print_node): Remove handling of SFTs.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
	* tree-predcom.c (set_alias_info): Do not set subvars.
	* tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
	* tree-ssa-operands.c (access_can_touch_variable): Likewise.
	(add_vars_for_offset): Remove.
	(add_virtual_operand): Remove special handling of SFTs.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	(get_modify_stmt_operands): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa.c (verify_ssa_name): Do not handle SFTs.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
	* tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
	(tree_code_size): Remove STRUCT_FIELD_TAG handling.
	(tree_node_structure): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Remove special
	handling of SFTs.
	(find_what_p_points_to): Likewise.

2008-05-08  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu.md: Fixed subti3 pattern.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36154
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
	sure to create a representative for trailing arrays for PTA.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36172
	* fold-const.c (operand_equal_p): Two objects which types
	differ in pointerness are not equal.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

	* calls.c (compute_argument_block_size): Add argument tree fndecl.
	(OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
	(emit_library_call_value_1): Add new variable fndecl initialized by
	NULL_TREE. It should be the decl type of orgfun, but this information
	seems not to be available here, so it uses the default calling abi.
	* config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
	* config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
	by TARGET_RETURN_IN_MEMORY.
	* config/i386/i386-interix.h: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/i386elf.h: Likewise.
	* config/i386/ptx4-i.h: Likewise.
	* config/i386/sol2-10.h: Likewise.
	* config/i386/sysv4.h: Likewise.
	* config/i386/vx-common.h: Likewise.
	* config/cris/cris.h: Removed #if 0 clause.
	* config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
	* config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
	argument.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): New.
	(ix86_i386interix_return_in_memory): New.
	* config/mt/mt-protos.h (mt_return_in_memory): New.
	* config/mt/mt.c: Likewise.
	* config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
	(RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
	* config/bfin/bfin.h: Likewise.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
	argument.
	* config/bfin/bfin.c: Likewise.
	* config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
	* config/alpha/unicosmk.h: Likewise.
	* config/i386/cygming.h: Likewise.
	* config/iq2000/iq2000.h: Likewise.
	* config/mips/mips.h: Likewise.
	* config/mn10300/mn10300.h: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/score/score.h: Likewise.
	* config/spu/spu.h: Likewise.
	* config/v850/v850.h: Likewise.
	* defaults.h: Likewise.
	* doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
	* expr.c (emit_block_move): Adjust use of
	OUTGOING_REG_PARM_STACK_SPACE.
	* function.c (STACK_DYNAMIC_OFFSET): Adjust use of
	OUTGOING_REG_PARM_STACK_SPACE.
	* targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.

2008-05-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
	on OMP_RETURN for OMP_FOR.

	PR debug/35896
	* dwarf2out.c (dw_expand_expr, common_check): Removed.
	(fortran_common): New function.
	(gen_variable_die): Call fortran_common instead of common_check,
	adjust for it returning tree instead of rtx.  Formatting.

2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl/7335
	PR rtl/33826
	* see.c (see_copy_insn): Copy new pure const attributes for new call.
	* c-decl.c (merge_decls): Ditto.
	* postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
	to RTL_CONST_OR_PURE_CALL_P.
	* tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
	Initialized DECL_LOOPING_CONST_PURE.
	(process_call_operands): Set tree_side_effects properly.
	* tree.h (TREE_READONLY_DECL_P): Removed.
	(DECL_IS_PURE): Renamed to DECL_PURE_P.
	(DECL_LOOPING_OR_CONST_P): New macro.
	(struct tree_function_decl): Added looping_const_or_pure_p.
	(ECF_*) Renumbered.
	(ECF_LOOPING_OR_CONST_P): New macro.
	* rtlanal.c (pure_const_p): Removed.
	* builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
	* reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
	to RTL_CONST_CALL_P.
	* ipa-pure-const.c (pure_const_state_e): Added looping field.
	(check_decl, check_tree, check_call, scan_function): Initialize
	looping.
	(analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
	(static_execute): Set looping true for recursive functions.
	Undo setting state to IPA_NEITHER for recursive functions.
	* cse.c (cse_insn): 
	* ifcvt.c (noce_can_store_speculate_p): Changed
	CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
	RTL_CONST_OR_PURE_CALL_P.
	* dse.c (scan_insn): Ditto.
	* local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
	* gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	(store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
	pure_call_p to RTL_CONST_CALL_P.
	* gimplify.c (gimplify_call_expr): Clear side effects for
	non-looping pure and constant calls.
	* calls.c (emit_call_1): Set rtl flags from ecf flags.
	(flags_from_decl_or_type): Set ecf flags from decl flags.
	(initialize_argument_information): Turn off
	ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
	Change const to pure if callee_copies is true rather than just
	turning off const.
	(expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
	way of marking pure calls.
	(emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
	Remove hack that was supposed to fix pr7335 and remove old
	way of marking pure calls.
	* emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
	RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
	* cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	* tree-ssa-pre.c (can_value_number_call): Fixed spacing.
	* loop-invariant.c (find_exits, find_invariant_bb): Changed
	CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
	* sched-deps.c (schedule_analyze): Ditto.
	* rtl.h (struct rtx_def): Use call field, unchanging field, and
	return_val field of calls to represent pure and const function info.
	(CONST_OR_PURE_CALL_P): Deleted macro.
	(RTL_CONST_CALL_P, RTL_PURE_CALL_P,
	RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
	* tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
	TREE_READONLY.
	* tree-optimize.c (execute_fixup_cfg): Added test for
	ECF_LOOPING_CONST_OR_PURE.
	* c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
	DECL_PURE_P.
	* tree-cfg.c (update_call_expr_flags): Do not clear tree side
	effects for looping pure or const calls.
	(verify_gimple_expr): Added verification code. 
	* config/alpha/alpha.c (alpha_legitimize_address,
	alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_CALL_P.
	* config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
	* config/mips/mips.c (mips_call_tls_get_addr): Ditto.
	* cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	* dce.c (deletable_insn_p): Allow non looping, non sibling, pure
	and const calls to be deleted.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35714
	* config/i386/mmx.md (mmx_subv2sf3): New expander.
	(*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
	(*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
	(mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_paddwd): Rename from mmx_paddwd insn pattern.
	(mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
	(mmx_pmulhrwv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
	(sse2_umulv1siv1di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
	(mmx_eq<mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
	(mmx_uavgv8qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
	(mmx_uavgv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

	* config/i386/sse.md
	(sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse2_unpckhpd_exp): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(sse2_unpcklpd_exp): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(*sse2_<plusminus_insn><mode>3): Rename from
	sse2_<plusminus_insn><mode>3 insn pattern.
	(sse2_<plusminus_insn><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
	(sse2_umulv2siv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
	(sse4_1_mulv2siv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
	(sse2_pmaddwd): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
	(sse2_eq<mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
	(sse4_1_eqv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
	(sse2_uavgv16qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
	(sse2_uavgv16qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
	(sse2_uavgv8hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
	(ssse3_pmulhrswv8hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
	(ssse3_pmulhrswv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

	(<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
	(<sse>_vmmul<mode>3): Ditto.
	(divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
	(divv2df3): Ditto.
	(ssse3_pmaddubsw128): Use register_operand for operand 1.
	(ssse3_pmaddubsw): Ditto.

	* config/i386/i386.c (struct_builtin_description)
	[IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
	[IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
	[IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
	[IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
	[IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
	[IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
	[IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
	[IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
	(ix86_fixup_binary_operands): Assert that src1
	and src2 must have the same mode when swapped.
	(ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
	and ix86_binary_operator_ok.  Do not force operands in registers
	when optimizing.

2008-05-07  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Update.
	* cgraph.h (cgraph_local_info): Break out inline summary.
	* cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
	hook.
	* ipa-inline (inline_summary): New accestor function.
	(cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
	cgraph_decide_inlining, compute_inline_parameters): Update.
	* ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.

2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Cleanup ColdFire scheduling support and add V4 pipeline model.

	* config/m68k/m68k.md (UNSPEC_TIE): New constant.
	(define_attr cpu): Add cfv4 value.
	(define_attr type, define_attr type1): Merge into a single 'type'
	attribute.  Update all uses.
	(define_attr opx_type, define_attr opy_type, define_attr opx_access):
	Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
	Update all uses.
	(define_attr opx_mem, define_attr opy_mem): Remove.
	(define_attr op_mem): Clean up, update comment.
	(define_attr size): Use specific values instead of general int.
	(define_attr guess, define_attr split): Remove.  Update all uses.
	(movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
	tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
	movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
	zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
	68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
	floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
	fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
	adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
	add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
	add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
	sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
	sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
	mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
	umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
	mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
	div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
	one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
	bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
	beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
	bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
	symbolic_call_value_jsr, symbolic_call_value_bsr, link):
	Update or set attributes.
	(stack_tie): New fake instruction.

	* config/m68k/m68k.h (TUNE_CFV4): New macro.
	(m68k_sched_attr_size): Update declaration.
	(m68k_sched_attr_type2): Remove.
	(m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
	Declare new bypass predicates.

	* config/m68k/m68k.c (m68k_sched_issue_rate,
	m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
	implementations.
	(TARGET_SCHED_ISSUE_RATE,
	TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
	(override_options): Handle scheduling for ColdFire V4 core.
	(m68k_expand_prologue): Emit stack_tie.
	(enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
	'OP_TYPE_FPN'.  Update all uses.
	(sched_guess_p): Remove.
	(sched_address_type): Handle symbolic addresses.
	(sched_get_operand): New static function.
	(sched_operand_type): Merge into sched_attr_op_type.
	(sched_attr_op_type): Handle FP registers, handle quick constants,
	update.
	(m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
	(m68k_sched_attr_size): Update.  Move logic to ...
	(sched_get_attr_size_int): New static function.
	(sched_get_opxy_mem_type): New static function.
	(m68k_sched_attr_op_mem): Update.
	(m68k_sched_attr_type2): Remove.
	(sched_cfv4_bypass_data): New static variable.
	(m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
	(m68k_sched_issue_rate): Implement scheduler hook.
	(struct _sched_ib: enabled_p): New field.
	(m68k_sched_variable_issue): Update.  Handle V4.
	(SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
	sched_dump_class_func_t, sched_dump_split_class,
	sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
	sched_dump_dfa_class, m68k_sched_dump): Remove.
	(m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
	hook.
	(m68k_sched_init_global): Remove statisctics dumping, introduce
	sanity check that all instructions have pipeline reservations.  Handle
	ColdFire V4 core.
	(m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
	Handle ColdFire V4 core.
	(sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
	New static functions.
	(m68k_sched_address_bypass_p): New bypass predicate.
	(sched_get_indexed_address_scale): New static function.
	(m68k_sched_indexed_address_bypass_p): New bypass predicate.

	* cf.md: Update comments.
	(define_attr type2): Remove.  Use 'type' attribute instead.
	Update all uses.
	(cf_ib): Rename to cfv123_ib.  Update all uses.
	(cf_oep): Rename to cfv123_oep.  Update all uses.
	(cf_chr): Rename to cfv123_chr.  Update all uses.
	(cf_mem): Rename to cfv123_mem.  Update all uses.
	(cf_mac): Move to more appropriate place.
	(cfv123_guess): New automaton and cpu_unit.
	(cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
	Update uses of 'size' attribute.  Handle before reload scheduling.
	(cfv123_guess): New dummy reservation for unhandled instructions.
	(cfv4_*): Pipeline description of ColdFire V4 core.
	(ignore): New reservation to handle 'ignore' type.

2008-05-07  Ian Lance Taylor  <iant@google.com>

	PR middle-end/36013
	* gimplify.c (find_single_pointer_decl_1): Don't look through
	indirections.
	(find_single_pointer_decl): Adjust comments.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36137
	* fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
	STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.

	PR middle-end/36106
	* omp-low.c (expand_omp_atomic_pipeline): Load value using the
	integral type rather than floating point, then VIEW_CONVERT_EXPR
	to the floating point type.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
	TFmode op0 to register.

2008-05-07  Alan Modra  <amodra@bigpond.net.au>

	* c-decl.c (grokdeclarator): Comment typo.

2008-05-06  Aldy Hernandez  <aldyh@redhat.com>

	* tree-flow.h: Remove prototype for computed_goto_p.
	* tree-cfg.c (computed_goto_p): Make static.

2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35657
	* config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
	(contains_aligned_value_p): This.  Handle _Decimal128.
	(ix86_function_arg_boundary): Only align _Decimal128 to its
	natural boundary and handle it properly.

2008-05-06  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
	(ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
	(ipcp_method_set_orig_node): Removed.
	(ipcp_cval_get_cvalue_type): Removed.
	(ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
	(ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
	(ipcp_cval_set_cvalue_type): Removed.
	(ipcp_cval_get_cvalue): Removed.
	(ipcp_cval_set_cvalue): Removed.
	(ipcp_type_is_const): Renamed to ipcp_lat_is_const.
	(ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
	(ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
	(ipcp_cval_meet): Renamed to ipa_lattice_meet
	(ipcp_cval_changed): Changed to use ipcp_lat_is_const
	(ipcp_method_cval): Renamed to ipcp_get_ith_lattice
	(ipcp_get_ith_lattice): Changed parameters.
	(ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
	(ipcp_lattice_from_jfunc): Changed parameters.
	(ipcp_redirect): Local lattice pointer instead of lattice type variable.
	(ipcp_method_cval_print): Added temporary variable info.
	(ipcp_redirect): Removed already unused local variable caller.
	(ipcp_redirect): New temporary variable orig_callee_info
	(ipcp_redirect): Removed newly unused local variable callee.
	(ipcp_redirect): Removed (a bit confusing) local variable type.
	(ipcp_insert_stage): Added local variable info.
	(ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
	renamed too
	(ipcp_formal_create): Removed.
	(ipcp_method_cval_set): Removed.
	(ipcp_propagate_stage): Renamed lattice variables.
	(ipcp_method_cval_set_cvalue_type): Removed.
	(ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
	(ipcp_print_all_lattices): Changed printed strings to refer to 
	lattices rather than cvals.
	(ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
	(ipcp_propagate_const): Changed formal parameters.
	(build_const_val): Changed formal parameters.
	(ipcp_insert_stage): Removed useless variable cvalue
	(build_const_val): Changed formal parameters.
	(ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
	(ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
	(ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
	(ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
	(ipcp_print_func_profile_counts): Changed string from "method" to 
	"function"
	(ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
	(ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
	(ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
	(ipcp_structures_print): Renamed to ipcp_print_all_structures
	(ipcp_profile_print): Renamed to ipcp_print_profile_data
	(ipcp_lat_is_const): Changed parameters and made inline.
	(ipcp_replace_map_create): Renamed to ipcp_create_replace_map
	(ipcp_redirect): Renamed to ipcp_need_redirect_p
	(ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
	the predicate condition directly
	(ipcp_propagate_stage): Added local variable args. Removed local
	variable callee.  (Both are mere code simplifications.)
	(ipcp_method_dont_insert_const): Renamed to
	ipcp_node_not_modifiable_p.
	(ipcp_node_not_modifiable_p): Made inline.
	(ipcp_cloned_create): Renamed to ipcp_init_cloned_node
	(ipcp_propagate_const): Renamed to ipcp_propagate_one_const
	(ipcp_print_all_lattices): Removed variable cvalue
	(ipcp_method_scale_print): Renamed to ipcp_function_scale_print
	Updated comments.

2008-05-06  Olivier Hainque  <hainque@adacore.com>

	* tree-sra.c (try_instantiate_multiple_fields): Early return
	if field has POINTER_TYPE.

2008-05-06  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
	by using 'q' specifier for instruction.
	(ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.

2008-05-06  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
	Change mode of zero_extract from QImode to HImode.
	(sign bit tests peepholes): (Ditto.).

2008-05-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md: Remove double backslashes from asm templates.
	(*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
	(mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
	(mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_<code>v2sf3_finite): New insn pattern.
	(*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
	(mmx_<code>v2sf3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(mmx_<plusminus_insn><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<plusminus_insn><mode>3): New insn pattern.
	(mmx_add<mode>3): Removed.
	(mmx_ssadd<mode>3): Ditto.
	(mmx_usadd<mode>3): Ditto.
	(mmx_sub<mode>3): Ditto.
	(mmx_sssub<mode>3): Ditto.
	(mmx_ussub<mode>3): Ditto.
	(*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
	(mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
	insn pattern.
	(mmx_smulv4hi3_highpart): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
	insn pattern.
	(mmx_umulv4hi3_highpart): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
	(mmx_<code>v4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
	(mmx_<code>v8qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
	(mmx_<code><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

2008-05-05  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/36118
	* passes.c (pass_init_dump_file): Fix dump header.

2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/36141
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
	VCE for function decls.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (sat_plusminus): New.
	(plusminus_insn): Likewise.
	(plusminus_mnemonic): Likewise.
	(addsub): Removed.
	(comm): Add ss_plus, us_plus, ss_minus and us_minus.
	(*<addsub><mode>3_cc_overflow): Renamed to ...
	(*<plusminus_insn><mode>3_cc_overflow): This.
	(*<addsub>si3_zext_cc_overflow): Renamed to ...
	(*<plusminus_insn>si3_zext_cc_overflow): This.

	* config/i386/sse.md (<addsub><mode>3): Renamed to ...
	(<plusminus_insn><mode>3): This.
	(*<addsub><mode>3): Renamed to ...
	(*<plusminus_insn><mode>3): This.
	(<sse>_vm<addsub><mode>3): Renamed to ...
	(<sse>_vm<plusminus_insn><mode>3): This.
	(sse3_h<addsub>v4sf3): Renamed to ...
	(sse3_h<plusminus_insn>v4sf3): This.
	(sse3_h<addsub>v2df3): Renamed to ...
	(sse3_h<plusminus_insn>v2df3): This.
	(<plusminus_insn><mode>3): New.
	(*<plusminus_insn><mode>3): Likewise.
	(sse2_<plusminus_insn><mode>3): Likewise.
	(add<mode>): Removed.
	(*add<mode>3): Likewise.
	(sse2_ssadd<mode>3): Likewise.
	(sse2_usadd<mode>3): Likewise.
	(sub<mode>3): Likewise.
	(*sub<mode>3): Likewise.
	(sse2_sssub<mode>3): Likewise.
	(sse2_ussub<mode>3): Likewise.

2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>

	* gthr-single.h: Add in required interface elements as per gthr.h.
	Add stub types for __gthread_key_t, __gthread_once_t. Add defines
	for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
	Generalize UNUSED macro. 
	(__gthread_once): Add.
	(__gthread_key_create): Add.
	(__gthread_key_delete): Add.
	(__gthread_getspecific): Add.
	(__gthread_setspecific): Add.
	
2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
	the same size types for the indirect reference on the rhs, then
	create a VCE.

2008-05-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md
	(*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
	one insn template instead of template series.
	(*xordi_1_rex64): Ditto.
	(*xordi_2_rex64): Ditto.

2008-05-05  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36119
	* tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
	in case of SLP.

2008-06-04  Jan Hubicka  <jh@suse.cz>

	tree-optimization/36100
	* tree-pass.h (pass_O0_always_inline): Declare.
	* ipa-inline.c (inline_transform): Remove dead code.
	(cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
	pass_O0_always_inline): New.
	* passes.c (init_optimization_passes): Add pass_O0_always_inline.

2008-05-04  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
	mnemonic in this_param move for TARGET_64BIT.

2008-05-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
	(*strmovsi_rex_1): Ditto.
	(*strsetsi_1): Ditto.
	(*strsetsi_rex_1): Ditto.

	(add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
	adddicc expanders using SWI mode iterator.

2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36121
	* config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
	argument handling.

2008-05-04  David S. Miller  <davem@davemloft.net>

	* config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
	(sparc*-*-linux*): Use linux.h in tm_file.
	(sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
	compiler defaulting to 32-bit.
	(sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
	no longer needed.
	* config/sparc/linux.h: Remove definitions now obtained
	properly from linux.h
	* config/sparc/linux64.h: Likewise.
	(ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
	don't want this setting for 32-bit builds in a biarch compiler.
	* doc/install.texi: Add sparc-linux to list of targets
	supporting --enable-targets=all.

2008-05-03  Andrew Pinski  <pinskia@gmail.com>

	* Makefile.in (tree-ssa-phiprop.o): Fix dependencies.

2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
	after V4SI_FTYPE_V8HI.
	(ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
	case V4SI_FTYPE_V2DF.

2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/invoke.texi (max-flow-memory-locations): Removed.
	* params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
	
2008-05-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34973
	* opts.c (set_Wstrict_aliasing): Handle the turn-off case.

2008-05-02  David S. Miller  <davem@davemloft.net>

	* config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  Simon Baldwin <simonb@google.com>

	PR bootstrap/36108
	* c-common.h (warn_array_subscript_range): Removed.
	* c-common.c (warn_array_subscript_range): Ditto.
	* tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
	* c-typeck.c (build_array_ref): Remove warn_array_subscript_range.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_special_builtin_type): New.
	(bdesc_special_args): Likewise.
	(ix86_expand_special_args_builtin): Likewise.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_builtin): Updated.
	(ix86_expand_store_builtin): Removed.
	(ix86_expand_unop_builtin): Likewise.

	* config/i386/mm3dnow.h (__v2sf): Moved to ...
	* config/i386/mmintrin.h (__v2sf): Here.

	* config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
	const __v2sf.
	(_mm_loadl_pi): Likewise.
	(_mm_storeh_pi): Replace __v2si with __v2sf.
	(_mm_storel_pi): Likewise.

	* doc/extend.texi: Correct __builtin_ia32_loadhps,
	__builtin_ia32_loadlps, __builtin_ia32_storehps,
	__builtin_ia32_storelps, __builtin_ia32_loadhpd and
	__builtin_ia32_loadlpd.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
	V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
	(bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.
	(ix86_expand_unop1_builtin): Renamed to ...
	(ix86_expand_unop_vec_merge_builtin): This.

2008-05-01  Jan Hubicka  <jh@suse.cz>

	PR bootstrap/36100
	* ipa-inline.c (inline_generate_summary): Make static.
	(inline_transform): Do not call inlining at -O0; make static.
	* passes.c (execute_todo): Add sanity check.
	(execute_one_ipa_transform_pass): Execute proper flags.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
	(DECL_NONADDRESSABLE_P): Likewise.
	* alias.c (record_component_aliases): Fix comment.

2008-05-01  Simon Baldwin <simonb@google.com>

	* c-common.h (warn_array_subscript_range): New function.
	* c-common.c (warn_array_subscript_range): Ditto.
	* tree-vrp.c (check_array_ref): Corrected code to agree with
	comment, ignoring only arrays of size 0 or size 1.
	* c-typeck.c (build_array_ref): Call warn_array_subscript_range.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Replace
	DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
	(bdesc_args): Updated.
	(ix86_init_mmx_sse_builtins): Likewise.
	(ix86_expand_args_builtin): Likewise.

	* config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
	with __v1di.

	* doc/extend.texi: Correct __builtin_ia32_palignr.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36095
	* config/i386/i386.c (bdesc_crc32): Removed.
	(ix86_expand_crc32): Likewise.
	(ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
	V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
	V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
	UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
	UINT_FTYPE_UINT_UCHAR.
	(bdesc_args): Updated. Add crc32 builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Updated to support subreg.

	* doc/extend.texi: Correct __builtin_ia32_crc32di.

2008-05-01  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (opt_pass): Add IPA_PASS.
	(varpool_node, cgraph_node): Forward declare.
	(ipa_opt_pass): Define.
	(pass_ipa_inline): Turn into ipa_opt_pass.
	(pass_apply_inline): Remove.
	* ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
	(apply_inline): Turn into ....
	(inline_transform): ... this one.
	(inline_generate_summary): New function.
	(pass_apply_inline): Remove.
	* function.h (ipa_opt_pass): Forward declare structure; typedef;
	vector.
	(struct function): Add ipa_transforms_to_apply.
	* passes.c (register_one_dump_file): Work on IPA_PASS.
	(init_optimization_passes): Remove pass_inline_parameters and
	pass_apply_inline.
	(pass_init_dump_file, pass_fini_dump_file): Break out from ....
	(execute_one_pass) ... here; apply transforms when possible.
	(add_ipa_transform_pass, execute_ipa_summary_asses,
	execute_one_ipa_transform_pass): New.
	(execute_ipa_pass_list): Update for IPA_PASS type.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
	V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
	(bdesc_args): Add SSE4a builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
	V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
	V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
	V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
	V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
	V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
	V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
	V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
	and DI_FTYPE_DI_DI_INT.
	(bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.
	(ix86_expand_binop_imm_builtin): Removed.

	* doc/extend.texi: Correct __builtin_ia32_palignr128.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32921
	* tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.

2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/arm/arm.c (arm_unwind_emit): Use
	crtl->all_throwers_are_sibcalls instead of
	cfun->all_throwers_are_sibcalls.
	(arm_output_fn_unwind): Likewise.
	* config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
	instead of cfun->uses_pic_offset_table.
	(frv_expand_prologue): Likewise.
	(frv_frame_pointer_required): Likewise.
	(frv_expand_fdpic_call): Likewise.
	(frv_emit_movsi): Likewise.
	* config/iq2000/iq2000.c (iq2000_expand_prologue): Use
	cfun->returns_pcc_struct instead of
	current_function_returns_pcc_struct.
	* config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
	instead of cfun->calls_eh_return.
	(m32c_pushm_popm): Likewise.
	* config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
	"extern" declaration.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/21636
	* tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
	constant address.
	(evaluate_stmt): Print the likely value.
	(ccp_visit_stmt): Avoid excessive vertical spacing.

2008-04-30  Rafael Espindola  <espindola@google.com>

	* builtins.c (fold_call_expr): Return realret.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
	__builtin_object_size.

2008-04-30  Seongbae Park  <seongbae.park@gmail.com>

	* gcc.c (wrapper_string): New variable.
	(insert_wrapper): New function.
	(execute): New option -wrapper.
	* doc/invoke.texi (Overall Options): New driver option -wrapper.

2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
	config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
	config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
	from...
	* config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
	* config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
	config/rs6000/e500crtres64gprctr.asm,
	config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
	config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
	config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
	config/rs6000/e500crtsav64gprctr.asm,
	config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
	config/rs6000/e500crtsavg64gprctr.asm: New files.
	* config/rs6000/t-ppccomm: Add build rules for new files.
	(LIB2FUNCS_STATIC_EXTRA): Add new files.
	* config/rs6000/t-netbsd: Add build rules for new files.
	(LIB2FUNCS_STATIC_EXTRA): New variable.
	* config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
	(CRTSAVRES_DEFAULT_SPEC): Likewise.
	* config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.

2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
	V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
	V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
	V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
	V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
	V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
	V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
	V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
	V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
	V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
	V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
	V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
	V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
	V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
	V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
	V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
	V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
	V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
	V1DI_FTYPE_V2SI_V2SI.
	(bdesc_2arg): Moved to ...
	(bdesc_args): Here.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Updated.  Take a pointer
	to const struct builtin_description.  Handle comparison
	builtin functions.
	(ix86_expand_sse_compare): Take a new argument for swapping operands.
	(ix86_expand_builtin): Updated.

	* config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
	(ssse3_pmaddubsw128): This.
	(ssse3_pmaddubswv4hi3): Renamed to ...
	(ssse3_pmaddubsw): This.

	* doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
	(__builtin_ia32_packssdw128): Likewise.
	(__builtin_ia32_packuswb128): Likewise.
	(__builtin_ia32_pmaddubsw): Likewise.
	(__builtin_ia32_pmaddubsw128): Likewise.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14847
	* tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
	(recognize_bits_test): Use it.
	(recognize_single_bit_test): Likewise.

2008-04-30  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
	instead of setting number of formal parameters to zero.
	(ipcp_init_stage): Do not set the number of actual parameters to zero 
	either.
	(ipcp_propagate_stage): Explicitly skipping all calls to nodes
	which are called with variable number of arguments.
	(ipcp_insert_stage): Explicitely skipping all nodes which are
	called with variable number of arguments.
	(ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
	number of parameters.

	* ipa-prop.h (struct ipa_node_params): Added flag
	called_with_var_arguments
	(ipa_set_param_count): Added.  Changed sole setter to use it.
	(ipa_get_param_count): Added.  All readers of param_count
	converted to use it instead.
	(ipa_set_called_with_variable_arg): Added.
	(ipa_is_called_with_var_arguments): Added.
	(ipa_get_ith_param): Added.  All readers of param_decls converted
	to use it instead.
	(ipa_set_cs_argument_count): Added, sole writer to argument_count 
	changed to use it. 
	(ipa_get_cs_argument_count): Added, all readers of argument_count
	changed to cal it.
	(ipa_get_ith_jump_func): Added. Accessors of jump values changed 
	to use it.
	
	* ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
	(struct ipcp_lattice): Renamed cval_type to type
	(struct ipa_node_params): ipcp_cval renamed to ipcp_lattices

	* ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
	(ipcp_cval_set_cvalue): Changed type of parameter value to tree
	(ipcp_insert_stage): Changed the type of variable cvalue to tree
	(ipcp_replace_map_create): Changed the type of parameter cvalue to tree
	(build_const_val): Changed the type of parameter cvalue to tree
	(ipcp_propagate_const): Changed the type of parameter cvalue to tree
	(ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
	
	* ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
	constant 

	* ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
	(ipa_methodlist_not_empty): Removed, the sole user now checks directly
	(ipa_add_method): Renamed to ipa_push_func_to_list
	(ipa_remove_method): Renamed to ipa_pop_func_from_list
	(ipa_callsite_param_count): Removed.
	(ipa_callsite_param_count_set): Removed.
	(ipa_callsite_param): Removed.
	(ipa_callsite_callee): Removed.
	(ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
	(ipa_callsite_compute_count): Renamed to ipa_count_arguments
	(ipa_method_formal_count): Removed.
	(ipa_method_formal_count_set): Removed.
	(ipa_method_get_tree): Removed.
	(ipa_method_tree_map_create): Removed.
	(ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
	(ipa_create_param_decls_array): Creates the array itself
	(ipa_create_param_decls_array): Temporary variable info instead of 
	a few dereferences.
	(ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
	(ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
	(get_type): Removed.
	(ipa_jf_get_info_type): Removed.
	(ipa_node_create): Renamed to ipa_create_node_params
	(ipa_free): Renamed to ipa_free_all_node_params
	(ipa_nodes_create): Renamed to ipa_create_all_node_params
	(ipa_edges_create): Renamed to ipa_create_all_edge_args
	(ipa_edges_free): Renamed to ipa_free_all_edge_args
	(ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
	(ipa_free_all_node_params): Deallocation to jump_functions moved to 
	ipa_free_all_edge_args
	(ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
	(ipa_method_modify_print): Renamed to ipa_print_all_params_modified
	(ipa_create_methodlist_node): Removed.
	(ipa_methodlist_method): Removed.
	(ipa_methodlist_method_set): Removed.
	(ipa_methodlist_next_method): Removed.
	(ipa_methodlist_next_method_set): Removed.
	(ipa_method_is_modified): Removed.
	(ipa_method_modify_create): Removed.
	(ipa_method_modify_init): Temporary variable info instead of a few 
	dereferences.
	(ipa_detect_param_modifications): Temporary variable info instead of 
	a few dereferences.
	(ipa_compute_jump_functions): Temporary variable info instead of 
	a few dereferences.
	(ipa_method_modify_set): Removed.
	(ipa_method_tree_map): Renamed to ipa_get_param_decl_index
	(ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
	than craph_node as the first parameter.
	(ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
	(ipa_method_modify_init): Removed.
	(ipa_compute_jump_functions): Added a temp variable instead of 
	repeatadly dereferencing the cgraph_edge.aux pointer
	(ipa_callsite_param_set_type): Removed.
	(ipa_compute_jump_functions): i renamed to index and moved to 
	an inner block
	(ipa_callsite_param_set_info_type_formal): Removed.
	(ipa_callsite_param_set_info_type): Removed.
	(ipa_callsite_param_map_create): Removed.
	(ipa_callsite_tree): Removed.
	(ipa_callsite_caller): Removed.
	(ipa_pop_func_from_list): return_method removed to return_func

	* ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
	prefixed all values with IPA_. Changed all users.
	(enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
	CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
	and FORMAL_IPATYPE IPA_PASS_THROUGH. 
	(union parameter_info): Renamed to jump_func_value.
	(union jump_func_value): Renamed value to constant
	(struct ipa_jump_func): Renamed info_type to value
	(struct ipa_node): Renamed to ipa_node_params
	(struct ipa_node_params): Renamed ipa_arg_num to param_count
	(struct ipa_node_params): Renamed ipa_param_tree to param_decls
	(struct ipa_node_params): Renamed ipa_mod to modified_flags
	(struct ipa_edge): Renamed to ipa_edge_args
	(struct ipa_edge_args): Renamed ipa_param_num to argument_count
	(struct ipa_edge_args): Renamed ipa_param_map to jump_functions
	(struct ipa_methodlist): Renamed to ipa_func_list
	(struct ipa_func_list): method_p renamed to node, next_method
	renamed to next
	(ipa_methodlist_p): Removed, switched all users to struct pointer
	(IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX

2008-04-30  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
	(rs6000_emit_epilogue): Use backchain to restore only when we
	have a large frame.  Make use of frame pointer to restore if we
	have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.

2008-04-29  Paolo Bonzini  <bonzini@gnu.org>

	* config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
	Add mode to zero_extract.
	(sign bit tests peepholes): (Ditto.).

2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtins): Replace Prescott New
	Instructions in comments with SSE3.
	(ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
	INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
	INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
	V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
	V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
	V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
	V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
	V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
	V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
	V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
	V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
	V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
	(bdesc_sse_args): Renamed to ...
	(bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
	IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
	IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
	IX86_BUILTIN_FABSQ.
	(bdesc_1arg): Moved to ...
	(bdesc_args): Here.
	(ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
	Instructions in comments with SSE3.
	(ix86_expand_sse_operands_builtin): Renamed to ...
	(ix86_expand_args_builtin): This.  Updated.
	(ix86_expand_unop1_builtin): Update comments.
	(ix86_expand_builtin): Updated.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36078
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
	Update virtual SSA form after cleaning up the CFG.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/15255
	* fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
	(compute_may_aliases): Do not call finalize_ref_all_pointers.
	(compute_flow_insensitive_aliasing): Do not treat
	PTR_IS_REF_ALL pointers special.
	(get_smt_for): Likewise.
	(may_alias_p): Re-structure.
	(is_escape_site): A ref-all pointer conversion is not an escape site.
	* tree-ssa-structalias.c (find_what_p_points_to): Do not treat
	PTR_IS_REF_ALL pointers special.
	* tree-ssa-structalias.h (struct alias_info): Remove
	ref_all_symbol_mem_tag field.
	(PTR_IS_REF_ALL): Remove.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36077
	* fold-const.c (extract_muldiv_1): In combining division constants
	make sure to never overflow.

2008-04-29  Nick Clifton  <nickc@redhat.com>

	* doc/tm.texi (RETURN_ADDR_RTX): Fix typo.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35169
	* optc-gen.awk: Work around HP-UX/IA awk bug.

2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming-crtend.c (register_frame_ctor): Revert my
	2008-04-25 commit.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36073
	* config/i386/i386.md
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
	Change operand 1 predicate to nonimmediate_operand.

2008-04-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/36060
	* dwarf2out.c (struct die_struct): Mark as chain_circular through
	die_sub field.
	* gengtype.c (walk_type, write_func_for_structure): Handle
	chain_circular.
	* doc/gty.texi: Document chain_circular.

2008-04-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36066
	* tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
	SCEV and loop.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36064
	* config/i386/i386.md
	(floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
	Use match_scratch instead of match_operand for operands 3 and 4.

2008-04-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/18754
	PR tree-optimization/34223
	* tree-pass.h (pass_complete_unrolli): Declare.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
	loop size before and after unconditionally of UL_NO_GROWTH in effect.
	Rewrite loop into loop closed SSA form if it is not already.
	(tree_unroll_loops_completely): Re-structure to iterate over
	innermost loops with intermediate CFG cleanups.
	Unroll outermost loops only if requested or the code does not grow
	doing so.
	* tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
	loops are available.
	(tree_vectorize): Instead do so here.
	(tree_complete_unroll): Also unroll outermost loops.
	(tree_complete_unroll_inner): New function.
	(gate_tree_complete_unroll_inner): Likewise.
	(pass_complete_unrolli): New pass.
	* tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
	uses outside of the loop.
	(tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
	form if it is available.  
	* tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
	* passes.c (init_optimization_passes): Schedule complete inner
	loop unrolling pass before the first CCP pass after final inlining.

2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>

	* targhooks.h (default_emutls_var_fields,
	default_emutls_var_init): Declare.
	* tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
	* target.h (struct gcc_target): Add struct emutls member.
	* target-def.h (TARGET_EMUTLS_GET_ADDRESS,
	TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
	TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
	TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
	TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
	TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
	(TARGET_INITIALIZER): Add TARGET_EMUTLS.
	* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
	BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
	* dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
	emit debug information.
	* coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
	* varasm.c: Include targhooks.h.
	(emutls_object_section, emutls_tmpl_section): New.
	(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
	(EMUTLS_SEPARATOR): New.
	(prefix_name): New.
	(get_emutls_object_name): New.
	(default_emutls_var_fields): New, broken out of ...
	(get_emutls_object_type): ... here.  Adjust to use target hooks.
	(get_emutls_init_templ_addr): Adjust to use target hooks.
	(emutls_decl): Adjust to use target hooks.
	(emutls_finish): Likewise.
	(default_emutls_var_init): New, broken out of ...
	(assemble_variable): ... here.  Adjust to use target hooks.
	* output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
	SECCAT_EMUTLS_TMPL.
	* c-common.c (handle_section_attribute): Prevent overriding
	sections for emulated tls with special sections.
	* config/i386/i386.c (x86_64_elf_select_section): Add
	SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
	(x86_64_elf_unique_section): Likewise.
	* config/vxworks.c: Include tree.h.
	(vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
	(vxworks_override_options): Set TLS scheme.
	* doc/tm.texi (Emulated TLS): New node.

2008-04-26  Simon Baldwin <simonb@google.com>

	PR c/35652
	* builtins.c (c_strlen): Suppressed multiple warnings that can occur
	with propagated string constants.

2008-04-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
	constraint for operand 2 when operand 0 is memory operand.
	(fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
	operand 0 is memory operand.
	(fix_trunc<mode>_i387_with_temp): Ditto.
	(*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
	operand 2 when operand 1 is memory operand.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
	(*floatsi<mode>2_vector_sse_with_temp): Ditto.
	(*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
	(floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
	operands 2,3 and 4 when operand 1 is memory operand.
	(fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
	is memory operand.
	(fistdi2_floor_with_temp): Ditto.
	(fist<mode>2_floor_with_temp): Ditto.
	(fistdi2_ceil_with_temp): Ditto.
	(fist<mode>2_ceil_with_temp): Ditto.
	(*truncdfsf_fast_mixed): Merge alternatives 0 and 1.

2008-04-26  David Daney  <ddaney@avtrex.com>

	* config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
	unspec_volitile.
	(UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
	UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
	UNSPEC_UPDATE_GOT_VERSION): Renumber.
	(sync_compare_and_swap<mode>): New expand for QI and HI modes.
	(compare_and_swap_12): New insn.
	* config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
	* config/mips/mips.c (mips_force_binary): New function.
	(mips_emit_int_order_test, mips_expand_synci_loop): Use it.
	(mips_expand_compare_and_swap_12): New function.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.

2008-04-25  Jan Hubicka  <jh@suse.cz>

	PR testsuite/35843
	* cfgexpand.c (pass_expand): Turn into RTL pass.
	* passes.c (execute_one_pass): Do pass typechecking after execution.
	* tree-pass.h (pass_expand): Turn into RTL pass.

	* function.h (struct rtl_data): Move here fields
	accesses_prior_frames, calls_eh_return, saves_all_registers,
	has_nonlocal_goto, has_asm_statement, is_thunk,
	all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
	uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
	arg_pointer_save_area_init from struct function; turn into bool.
	(struct function): Move
	calls_eh_return, saves_all_registers, has_nonlocal_goto,
	has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
	profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
	tail_call_emit, arg_pointer_save_area_init
	into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
	(current_function_returns_struct, current_function_returns_pcc_struct,
	current_function_calls_setjmp, current_function_calls_alloca,
	current_function_accesses_prior_frames,
	current_function_calls_eh_return, current_function_is_thunk,
	current_function_stdarg, current_function_profile,
	current_function_limit_stack, current_function_uses_pic_offset_table,
	current_function_uses_const_pool, current_function_has_nonlocal_label,
	current_function_saves_all_registers,
	current_function_has_nonlocal_goto,
	current_function_has_asm_statement): Remove accesor macros.
	* ra-conflict.c (global_conflicts): Update.
	* tree-tailcall.c (suitable_for_tail_opt_p): Update.
	(suitable_for_tail_call_opt_p): Update.
	* builtins.c (expand_builtin_return_addr): Update.
	(expand_builtin_setjmp_setup): Update.
	(expand_builtin_nonlocal_goto): Update.
	* final.c (final_start_function): Update.
	(profile_function): Update.
	(leaf_function_p): Update.
	(only_leaf_regs_used): Update.
	* df-scan.c (df_get_exit_block_use_set): Update.
	* dojump.c (clear_pending_stack_adjust): Update.
	* tree-stdarg.c (gate_optimize_stdarg): Update.
	* gimple-low.c (lower_function_body): Update.
	* global.c (compute_regsets): Update.
	(global_alloc): Update.
	* dwarf2out.c (dwarf2out_begin_prologue): Update.
	* expr.c (expand_assignment): Update.
	* dse.c (dse_step0): Update.
	(dse_step1): Update.
	* c-decl.c (store_parm_decls): Update.
	* local-alloc.c (combine_regs): Update.
	(find_free_reg): Update.
	* function.c (assign_parms_augmented_arg_list): Update.
	(assign_parm_find_data_types): Update.
	(assign_parms): Update.
	(allocate_struct_function): Update.
	(expand_function_start): Update.
	(expand_function_end): Update.
	(get_arg_pointer_save_area): Update.
	(thread_prologue_and_epilogue_insns): Update.
	(rest_of_match_asm_constraints): Update.
	* stor-layout.c (variable_size): Update.
	* gcse.c (gcse_main): Update.
	(bypass_jumps): Update.
	* gimplify.c (gimplify_function_tree): Update.
	* calls.c (emit_call_1): Update.
	(expand_call): Update.
	* bt-load.c (compute_defs_uses_and_gen): Update.
	* except.c (sjlj_assign_call_site_values): Update.
	(sjlj_emit_function_enter): Update.
	(can_throw_external): Update.
	(set_nothrow_function_flags): Update.
	(expand_builtin_unwind_init): Update.
	(expand_eh_return): Update.
	(convert_to_eh_region_ranges): Update.
	(output_function_exception_table): Update.
	* emit-rtl.c (gen_tmp_stack_mem): Update.
	* cfgexpand.c (expand_used_vars): Update.
	(tree_expand_cfg): Update.
	* cfgcleanup.c (rest_of_handle_jump): Update.
	* explow.c (allocate_dynamic_stack_space): Update.
	* varasm.c (assemble_start_function): Update.
	(force_const_mem): Update.
	(mark_constant_pool): Update.
	* tree-optimize.c (tree_rest_of_compilation): Update.
	* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
	* tree-cfg.c (notice_special_calls): Update.
	(is_ctrl_altering_stmt): Update.
	(tree_can_make_abnormal_goto): Update.
	(tree_purge_dead_abnormal_call_edges): Update.
	* config/alpha/predicates.md: Update.
	* config/alpha/alpha.c (alpha_sa_mask): Update.
	(alpha_sa_size): Update.
	(alpha_does_function_need_gp): Update.
	(alpha_expand_prologue): Update.
	(alpha_start_function): Update.
	(alpha_output_function_end_prologue): Update.
	(alpha_expand_epilogue): Update.
	* config/frv/frv.c (frv_stack_info): Update.
	(frv_expand_epilogue): Update.
	* config/s390/s390.c (s390_regs_ever_clobbered): Update.
	(s390_register_info): Update.
	(s390_frame_info): Update.
	(s390_init_frame_layout): Update.
	(s390_can_eliminate): Update.
	(save_gprs): Update.
	* config/spu/spu.c (spu_split_immediate): Update.
	(need_to_save_reg): Update.
	(spu_expand_prologue): Update.
	(spu_expand_epilogue): Update.
	* config/sparc/sparc.md: Update.
	* config/sparc/sparc.c (eligible_for_return_delay): Update.
	(sparc_tls_got): Update.
	(legitimize_pic_address): Update.
	(sparc_emit_call_insn): Update.
	(sparc_expand_prologue): Update.
	(output_return): Update.
	(print_operand): Update.
	(sparc_function_ok_for_sibcall): Update.
	* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
	* config/m32r/m32r.md: Update.
	* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
	(m32r_compute_frame_size): Update.
	(m32r_expand_prologue): Update.
	(m32r_expand_epilogue): Update.
	(m32r_legitimize_pic_address): Update.
	* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
	* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
	* config/i386/i386.c (ix86_frame_pointer_required): Update.
	(gen_push): Update.
	(ix86_save_reg): Update.
	(ix86_compute_frame_layout): Update.
	(ix86_expand_prologue): Update.
	(ix86_expand_epilogue): Update.
	* config/sh/sh.c (output_stack_adjust): Update.
	(calc_live_regs): Update.
	(sh5_schedule_saves): Update.
	(sh_expand_prologue): Update.
	(sh_expand_epilogue): Update.
	(sh_setup_incoming_varargs): Update.
	(sh_allocate_initial_value): Update.
	(sh_get_pr_initial_val): Update.
	* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
	* config/sh/sh.md (label:): Update.
	* config/avr/avr.c (out_movhi_mr_r): Update.
	* config/crx/crx.h (enum): Update.
	* config/xtensa/xtensa.h (along): Update.
	* config/stormy16/stormy16.c Update.
	(xstormy16_compute_stack_layout): Update.
	* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
	(fr30_expand_prologue): Update.
	* config/cris/cris.c (cris_conditional_register_usage): Update.
	(cris_reg_saved_in_regsave_area): Update.
	(cris_initial_frame_pointer_offset): Update.
	(cris_simple_epilogue): Update.
	(cris_expand_prologue): Update.
	(cris_expand_epilogue): Update.
	(cris_expand_pic_call_address): Update.
	(cris_asm_output_symbol_ref): Update.
	(cris_asm_output_label_ref): Update.
	* config/cris/cris.md Update.
	* config/iq2000/iq2000.c (compute_frame_size): Update.
	(iq2000_expand_epilogue): Update.
	* config/mt/mt.h (save_direction): Update.
	* config/mn10300/mn10300.c (mn10300_function_value): Update.
	* config/ia64/ia64.c (ia64_compute_frame_size): Update.
	(ia64_secondary_reload_class): Update.
	* config/m68k/m68k.c (m68k_save_reg): Update.
	(m68k_expand_prologue): Update.
	(m68k_expand_epilogue): Update.
	(legitimize_pic_address): Update.
	* config/rs6000/rs6000.c (rs6000_got_register): Update.
	(first_reg_to_save): Update.
	(first_altivec_reg_to_save): Update.
	(compute_vrsave_mask): Update.
	(compute_save_world_info): Update.
	(rs6000_stack_info): Update.
	(spe_func_has_64bit_regs_p): Update.
	(rs6000_ra_ever_killed): Update.
	(rs6000_emit_eh_reg_restore): Update.
	(rs6000_emit_allocate_stack): Update.
	(rs6000_emit_prologue): Update.
	(rs6000_emit_epilogue): Update.
	(rs6000_output_function_epilogue): Update.
	(output_profile_hook): Update.
	(rs6000_elf_declare_function_name): Update.
	* config/rs6000/rs6000.h (rs6000_args): Update.
	* config/rs6000/rs6000.md: Update.
	* config/mcore/mcore.c (mcore_expand_prolog): Update.
	* config/arc/arc.c (arc_output_function_epilogue): Update.
	* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
	* config/darwin.c (machopic_function_base_name): Update.
	* config/score/score3.c (score3_compute_frame_size): Update.
	(rpush): Update.
	(rpop): Update.
	(score3_epilogue): Update.
	* config/score/score7.c (score7_compute_frame_size): Update.
	(score7_prologue): Update.
	(score7_epilogue): Update.
	* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
	* config/arm/arm.c (use_return_insn): Update.
	(require_pic_register): Update.
	(arm_load_pic_register): Update.
	(arm_compute_save_reg0_reg12_mask): Update.
	(arm_compute_save_reg_mask): Update.
	(thumb1_compute_save_reg_mask): Update.
	(output_return_instruction): Update.
	(arm_output_function_prologue): Update.
	(arm_output_epilogue): Update.
	(arm_get_frame_offsets): Update.
	(arm_expand_prologue): Update.
	(thumb_pushpop): Update.
	(thumb_exit): Update.
	(thumb1_expand_prologue): Update.
	(thumb1_expand_epilogue): Update.
	(arm_unwind_emit): Update.
	(arm_output_fn_unwind): Update.
	* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
	* config/arm/arm.md: Update.
	* config/pa/pa.md: Update.
	* config/pa/pa.c (legitimize_pic_address): Update.
	(compute_frame_size): Update.
	(hppa_expand_prologue): Update.
	(hppa_expand_epilogue): Update.
	(borx_reg_operand): Update.
	* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
	(HARD_REGNO_RENAME_OK): Update.
	* config/mips/mips.c (mips_global_pointer): Update.
	(mips_save_reg_p): Update.
	(mips_compute_frame_info): Update.
	(mips_frame_pointer_required): Update.
	(mips_expand_prologue): Update.
	(mips_expand_epilogue): Update.
	(mips_can_use_return_insn): Update.
	(mips_reorg_process_insns): Update.
	* config/v850/v850.c (compute_register_save_size): Update.
	* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
	* config/mmix/mmix.c (along): Update.
	(mmix_expand_epilogue): Update.
	* config/bfin/bfin.c (legitimize_pic_address): Update.
	(must_save_p): Update.
	(stack_frame_needed_p): Update.
	(add_to_reg): Update.
	(bfin_expand_prologue): Update.
	* stmt.c (expand_asm_operands): Update.
	* reload1.c (reload): Update.
	(init_elim_table): Update.

2008-04-25  Bob Wilson  <bob.wilson@acm.org>
	
	* optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
	
2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
	(*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
	(mov<mode>): Removed.
	(*movv4sf_internal): Likewise.
	(*movv2df_internal): Likewise.

2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>

	* config.gcc (crx-*-elf): Remove deprecation.

2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming-crtend.c (register_frame_ctor): Register
	__gcc_deregister_frame with atexit.
	(deregister_frame_dtor): Remove.

2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config/rs6000/rs6000.opt (mspe): Remove Var property.
	(misel): Likewise.
	* config/rs6000/rs6000.h (rs6000_spe): Declare.
	(rs6000_isel): Likewise.
	* config/rs6000/rs6000.c (rs6000_spe): New variable.
	(rs6000_isel): New variable.
	(rs6000_handle_option): Handle OPT_mspe and OPT_misel.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR c++/35758
	* c-common.c (handle_vector_size_attribute): Call
	lang_hooks.types.reconstruct_complex_type instead of
	reconstruct_complex_type.
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
	* config/spu/spu.c (spu_handle_vector_attribute): Likewise.
	* langhooks.h (struct lang_hooks_for_types): Add
	reconstruct_complex_type hook.
	* langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.

2008-04-24  Richard Guenther  <rguenther@suse.de>

	* c-common.h (check_builtin_function_arguments): Declare.
	* c-common.c (validate_nargs): New function.
	(check_builtin_function_arguments): Likewise.
	* c-typeck.c (build_function_call): Call
	check_builtin_function_arguments.
	* builtins.c (fold_builtin_classify): Remove error reporting code.
	(fold_builtin_unordered_cmp): Likewise.
	(fold_builtin_1): Likewise.
	(fold_builtin_n): Likewise.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/36008
	* fold-const.c (try_move_mult_to_index): If s == NULL, divide
	the original op1, rather than delta by step.

2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (take_address_of, eliminate_local_variables_1,
	eliminate_local_variables_stmt, eliminate_local_variables,
	separate_decls_in_loop_name, separate_decls_in_loop_stmt,
	separate_decls_in_loop, gen_parallel_loop): Make them work on a region
	of code delimited by two edges in the CFG.
	(separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
	(separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
	(separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
	the case of parallelisation of reductions.
	(expr_invariant_in_region_p): New.

	* tree-flow.h (gather_blocks_in_sese_region): Declared.
	* tree-cfg.c (gather_blocks_in_sese_region): Extern.

2008-04-24  Ira Rosen  <irar@il.ibm.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36034
	* tree-vect-analyze.c (vect_analyze_group_access): SLP is
	incapable of dealing with loads with gaps.

2008-04-24  Rafael Espindola  <espindola@google.com>

	* tree-flow.h (vrp_evaluate_conditional): Change signature.
	* tree-ssa-propagate.c (fold_predicate_in): Update call to
	vrp_evaluate_conditional.
	* tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
	(vrp_evaluate_conditional): Split the cond argument.
	(vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
	(simplify_stmt_for_jump_threading): Update call to
	vrp_evaluate_conditional.

2008-04-24  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/35982
	* tree-vect-analyze.c (vect_check_interleaving): Check that the
	interleaved data-refs are of the same type.

2008-04-24  Danny Smith  <dannysmith@users.net>

	* c-format.c (check_format_info_main): Use strncmp rather than a
	magic prefix to handle multichar length specs.
	* config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
	Don't prefix "I64" and "I32" with '\0'.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/36015
	* config/i386/i386.c (init_cumulative_args): Don't pass anything
	in registers for -m32 only if stdarg_p (fntype).

2008-04-24  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/36006
	* expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
	temp to op0 in order to avoid invalid rtx sharing.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
	check TREE_INVARIANT.
	* tree-gimple.c (is_gimple_address): New.
	(is_gimple_invariant_address): Simplify using decl_address_invariant_p.
	* tree-gimple.h (is_gimple_address): New.
	* tree.h (decl_address_invariant_p): New.
	* tree.c (make_node_stat): Don't set TREE_INVARIANT.
	(build_string): Likewise.
	(decl_address_invariant_p): New, from is_gimple_invariant_address.
	(tree_invariant_p_1): Likewise.
	(save_expr): Use it.
	(tree_invariant_p): New.
	(skip_simple_arithmetic): Use it.
	(stabilize_reference_1): Use it.
	(recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
	simplify.
	(build1_stat): Drop code to compute TREE_INVARIANT.
	(build2_stat): Drop code to compute TREE_INVARIANT.
	(build3_stat): Drop code to compute TREE_INVARIANT.
	(build4_stat): Drop code to compute TREE_INVARIANT.
	(build5_stat): Drop code to compute TREE_INVARIANT.
	(build7_stat): Drop code to compute TREE_INVARIANT.
	(merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
	* tree.h (struct tree_base): Remove invariant_flag.
	(TREE_INVARIANT): Remove.
	* builtins.c (build_string_literal): Don't set TREE_INVARIANT.
	(fold_builtin_expect): Check TREE_CONSTANT.
	* tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
	* c-tree.h (c_expr_to_decl): Drop third parameter.
	* c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
	(build_c_cast): Don't set TREE_INVARIANT.
	(pop_init_level): Don't set TREE_INVARIANT.
	(c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
	* gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
	TREE_CONSTANT.
	(gimplify_init_constructor): Don't set TREE_INVARIANT.
	(gimplify_addr_expr): Adjust comment.
	* tree-mudflap.c (mf_build_string):
	* print-tree.c (print_node): Don't print TREE_INVARIANT.
	* tree-nested.c (convert_nonlocal_reference): Adjust comment.
	* c-common.c (fix_string_type): Don't set TREE_INVARIANT.
	* langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
	* langhooks.c (lhd_expr_to_decl): Drop third parameter.
	* langhooks.h (struct lang_hooks): Drop third parameter from
	expr_to_decl.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/27799
	PR tree-optimization/32921
	PR tree-optimization/32624
	* tree-ssa-structalias.c (merge_smts_into): Only merge the
	SMTs aliases and the tag itself into the solution.
	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
	merge the points-to solution back into the SMT aliases.
	(may_alias_p): Use alias_set_subset_of instead of
	aliases_conflict_p.  A pointer which points to
	memory with alias set zero may access any variable.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	* alias.c (alias_set_subset_of): Correctly handle asking
	if zero is a subset of an alias set with zero child.
	* tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
	(compute_flow_insensitive_aliasing): Correctly walk all
	pointers.  Do not unnecessarily union sets.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36021
	* c-common.c (handle_alloc_size_attribute): Use type_num_arguments.

2008-04-22  Tomas Bily  <tbily@suse.cz>

	* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
	unreachable case.
	* tree-vrp.c (extract_range_from_unary_expr): Removed unused
	NON_LVALUE_EXPR.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
	* tree-ssa-structalias.c (get_constraint_for): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* varasm.c (const_hash_1, compare_constant, copy_constant)
	(compute_reloc_for_constant, output_addressed_constants): Likewise.
	* emit-rtl.c (component_ref_for_mem_expr)
	(set_mem_attributes_minus_bitpos): Likewise.
	* expr.c (highest_pow2_factor, expand_expr_real_1, )
	(is_aligning_offset): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
	* dojump.c (do_jump): Likewise.
	* builtins.c (get_pointer_alignment, get_memory_rtx)
	(integer_valued_real_p, fold_builtin_next_arg): Likewise.
	* tree-scalar-evolution.c (instantiate_parameters_1): Likewise.

2008-04-23  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/36017
	* builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
	expanding the library call.

2008-04-22  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
	than size_in_bytes.

2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
	of LR/CTR moves for Power6.

2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/36003
	* passes.c (init_optimization_passes): Remove
	pass_fast_rtl_byte_dce.
	
2008-04-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/29096
	* config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
	builtin functions to generate faster code.
	(_mm_cvtpu16_ps): Ditto.
	(_mm_cvtpi32x2_ps): Ditto.

2008-04-22  Nick Clifton  <nickc@redhat.com>

	* common.opt (ftree-loop-distribution): Add Optimization
	attribute.

	* config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
	(frv_expand_builtin_va_start): Likewise.

	* config/arm/arm.c (thumb_find_work_register): Fix location of
	argument register count.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Support scheduling for ColdFire V1 and V3 microarchitecture.
	Improve scheduling of multiplication instructions.

	* config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
	(mac): New instruction attribute.
	* config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
	(m68k_sched_mac): New variable.
	(m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
	Handle cfv1 and cfv3.
	(max_insn_size): New static variable.
	(struct _sched_ib): New type.
	(sched_ib): New static variable.
	(sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
	to fields of 'struct _sched_ib sched_ib'.  Update all uses.
	(m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
	Update.
	(m68k_sched_md_init_global, m68k_sched_md_finish_global,
	m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
	new variables.  Update.
	(m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
	Add modeling of cfv3 instruction buffer.  Update.
	* config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
	* config/m68k/m68k.h (TUNE_CFV3): New macro.
	* config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
	(cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
	a particular reservation applies to.
	(type2): Reorganize attribute values.  Rename alu to alu_reg,
	alu_l to alu, move_l to omove.  Join move to alu.  Split mul
	to mul_l and mul_w.
	(cf_ib_*): Simplify description of instruction buffer.
	(cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
	(cf_mem): Split into cf_mem1 and cf_mem2.
	(cf_v2_move_??): Rename to cfv12_alu_??.
	(cf_v2_move_l_??): Rename to cfv12_omove_??.
	(cf_v2_mul_??): Remove reservations.
	(cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
	cfv12_emac_??, cfv12_emac_w_i0): New reservations.
	(cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
	appropriate place.
	(cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
	cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
	cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
	cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
	cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
	cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
	(cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
	expansions of the above reservations for instructions of sizes
	1, 2 and 3 words.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.

2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>

	* coverage.c: Include tree-pass.h.
	(coverage_counter_alloc): Print da_file_name to the dump file.

2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* sbitmap.c (sbitmap_range_empty_p): New function.
	* sbitmap.h (sbitmap_range_empty_p): New function.
	* bitmap.h: Now includes obstack.h.

2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
	    Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dbgcnt.def (ra_byte_scan): Added.
	* dbgcnt.c (dbg_cnt): Added code to print message to dump_file
	when the last hit happens for a counter.  
	* timevar.def (TV_DF_BYTE_LR): New variable.
	* tree-pass.h (pass_fast_rtl_byte_dce): New pass.
	* passes.c (pass_fast_rtl_byte_dce): New pass.
	* fwprop.c (update_df): Added mode to call df_ref_create.
	Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	* df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
	DF_BYTE_LR_OUT, df_byte_lr): New macro.
	(df_mm): New enum.
	(df_ref_extract): Added mode field.
	(DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	(DF_REF_EXTRACT_MODE): New macro.
	(df_byte_lr_bb_info): New structure.
	(df_print_byte_regset, df_compute_accessed_bytes, 
	df_byte_lr_add_problem, df_byte_lr_get_regno_start,
	df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
	df_byte_lr_simulate_uses,
	df_byte_lr_simulate_artificial_refs_at_top,
	df_byte_lr_simulate_artificial_refs_at_end,
	df_compute_accessed_bytes): New function.
	(df_ref_create): Add parameter.
	(df_byte_lr_get_bb_info): New inline function.
	* df-scan.c (df_ref_record, df_uses_record,
	df_ref_create_structure): Added mode parameter.
	(df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
	df_defs_record, df_uses_record, df_get_conditional_uses,
	df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
	df_entry_block_defs_collect, df_exit_block_uses_collect):
	Added mode parameter to calls to df_ref_record, df_uses_record,
	df_ref_create_structure.
	(df_ref_equal_p, df_ref_compare): Added test for modes.
	(df_ref_create_structure): Added code to set mode.  Renamed
	DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	* df-core.c (df_print_byte_regset): New function.
	* df-byte-scan.c: New file.
	* df-problems.c (df_rd_transfer_function): Removed unnecessary
	calls to BITMAP_FREE.  
	(df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
	(df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
	df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
	df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
	df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
	df_byte_lr_local_compute, df_byte_lr_init,
	df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
	df_byte_lr_transfer_function, df_byte_lr_free, 
	df_byte_lr_top_dump, df_byte_lr_bottom_dump,
	df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
	df_byte_lr_simulate_uses,
	df_byte_lr_simulate_artificial_refs_at_top,
	df_byte_lr_simulate_artificial_refs_at_end): New function.
	* dce.c (byte_dce_process_block): New function.
	(dce_process_block): au is now passed in rather than computed
	locally.  Changed loops that look at artificial defs to not look
	for conditional or partial ones, because there never are any.  
	(fast_dce): Now is able to drive byte_dce_process_block or 
	dce_process_block depending on the kind of dce being done.
	(rest_of_handle_fast_dce): Add parameter to fast_dce.
	(rest_of_handle_fast_byte_dce): New function.
	(rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
	* Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.

2008-04-21  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/35019
	* gcc.h: Added fortran options that take arguments to
	DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
	macros.

2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
	scalarization if on the LHS and not a full access.

2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.

2008-04-18  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (find_case_label_index): Fix the binary search.
	(find_case_label_range): New.
	(vrp_visit_switch_stmt): Use find_case_label_range.
	(simplify_switch_using_ranges): Use find_case_label_range.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
	using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

2008-04-18  Tom Tromey  <tromey@redhat.com>

	PR libcpp/15500:
	* doc/cpp.texi (Implementation-defined behavior): Mention
	-finput-charset.

2008-04-18  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (pointer_may_wrap_p): New static function.
	(fold_comparison): Add another test for pointer overflow.  Use
	pointer_may_wrap_p to disable some false positives.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
	  
	* c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
	(fname_as_string): Match updated cpp_interpret_string prototype.
	(fix_string_type): Support char16_t* and char32_t*.
	(c_common_nodes_and_builtins): Add char16_t and char32_t (and
	derivative) nodes.  Register as builtin if C++0x.
	(c_parse_error): Support CPP_CHAR{16,32}.
	* c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
	(enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
	CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
	CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
	CTI_CHAR32_ARRAY_TYPE>: New elements.
	(char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
	char32_type_node, signed_char32_type_node, char16_array_type_node,
	char32_array_type_node): New defines.
	* c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
	(c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
	(lex_string): Support CPP_STRING{16,32}, match updated
	cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
	(lex_charconst): Support CPP_CHAR{16,32}.
	* c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
	and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-04-18  Jan Hubicka  <jh@suse.cz>

	* except.c (dw2_size_of_call_site_table,
	sjlj_size_of_call_site_table): Use vector API for call_site_record.

	* cgraphbuild.c (build_cgraph_edges): Update.
	* tree-pass.h: Update comment.
	* final.c (leaf_function_p): Update.
	(leaf_renumber_regs): Update.
	(rest_of_clean_state): Update.
	* omp-low.c (expand_omp_parallel): Update.
	* ipa-reference.c (analyze_function): Update.
	* reorg.c (find_end_label): Update.
	(optimize_skip): Update.
	(fill_simple_delay_slots): Update.
	(fill_simple_delay_slots): Update.
	(make_return_insns): Update.
	(dbr_schedule): Update.
	* gimple-low.c (record_vars_into): Update.
	* cfgbuild.c (make_edges): Update.
	* function.c (assign_stack_local): Update.
	(assign_parm_adjust_stack_rtl): Update.
	(locate_and_pad_parm): Update.
	(allocate_struct_function): Do not initialize stack_alignment_needed
	and preferred_stack_boundary here.
	(stack_protect_prologue): Update.
	(stack_protect_epilogue): Update.
	(expand_function_start): Initialize stack_alignment_needed,
	preferred_stack_boundary and max_jumptable_ents.
	(expand_function_end): Update.
	(free_after_compilation): Do not NULLify epilogue_delay_list.
	* function.h (struct rtl_data): Add stack_protect_guard,
	stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list.
	(struct function): Remove value_histograms, stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
	last_label_uid,
	unexpanded_var_list, stack_protect_guard.
	(current_function_epilogue_delay_list): Remove.
	* ipa-type-escape.c (analyze_function): Update.
	* gimplify.c (pop_gimplify_context): Update comment.
	* calls.c (expand_call): Update.
	(emit_library_call_value_1): Update.
	* except.c (set_nothrow_function_flags): Update.
	* cfgexpand.c (get_decl_align_unit): Update.
	(create_stack_guard): Update.
	(estimated_stack_frame_size): Update.
	(expand_used_vars): Update.
	(tree_expand_cfg): Free histogram earliers, init expansion variables.
	* explow.c (allocate_dynamic_stack_space): Update.
	* tree-ssa-live.c (remove_unused_locals): Update.
	* varasm.c (mark_constant_pool): Update.
	* tree-inline.c (remap_decls): Update.
	(initialize_cfun): Update.
	(declare_return_variable): Update.
	(inline_forbidden_p): Update.
	(expand_call_inline): Update.
	(declare_inline_vars): Update.
	(tree_function_versioning): Update.
	* tree-flow.h (value_histograms): New.
	(VALUE_HISTOGRAMS): New macro.
	* basic-block.h (control_flow_graph): Add max_jumptable_ents,
	last_label_uid.
	* tree-cfg.c (set_bb_for_stmt): Update.
	(replace_by_duplicate_decl): Update.
	(move_block_to_fn): Update.
	(new_label_mapper): Update.
	(dump_function_to_file): Update.
	* ipa-struct-reorg.c (build_data_structure): Update.
	* cfgrtl.c (print_rtl_with_bb): Update.
	* reload1.c (reload): Update.
	(reload): Update.
	* config/i386/i386.c (setup_incoming_varargs_64,
	ix86_compute_frame_layout): Update.
	* config/arc/arc.c (arc_output_function_epilogue): Update.

2008-04-18  Marius Strobl <marius@FreeBSD.org>

	* gthr-posix.h (__gthread_active_p): Use the Solaris implementation
	for FreeBSD as well.
	* gthr-posix95.h: Likewise.

2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/35838
	* dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
	out the byte offset of the first subreg.

2008-04-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
	to split_ti instead of three separate calls with single member arrays.
	(subti3 splitter): Ditto.
	(adddi3 splitter): Ditto with split_di.
	(subdi3 splitter): Ditto.
	(negti2 splitter): Pass arrays of 2 operands to split_ti instead of
	two separate calls with single member arrays.  Swap match_dup
	operands 1 and 2 to better fit into the array.
	(negdi2 splitter): Ditto with split_di.
	(movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
	two separate calls with single member arrays.  Swap match_dup operands
	6 and 7 to better fit into the array.

2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (sse_builtin_type): New.
	(bdesc_sse_args): Likewise.
	(bdesc_sse_3arg): Removed.
	(bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	(bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
	bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_expand_sse_4_operands_builtin): Removed.
	(ix86_expand_sse_operands_builtin): New.
	(ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
	and CODE_FOR_sse4_1_roundps.
	(ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	Handle bdesc_sse_args.  Remove bdesc_sse_3arg.

2008-04-17  Alan Modra  <amodra@bigpond.net.au>

	PR target/35907
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
	regs before frame pop when needed.  If use_backchain_to_restore_sp
	then load backchain into a temp reg to restore vr and vrsave.  Add
	code to restore vr after frame pop if possible.

2008-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (expressions_equal_p): Do not check type
	equality or compatibility before calling operand_equal_p.
	* fold-const.c (operand_equal_p): Check equivalence of
	integer constants before bailing out due to signedness or
	precision differences.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
	spurious differences in type qualification.  Ignore types
	for COMPONENT_REFs at all.

2008-04-17  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (expand_cbranchdi4): Use original operands for
	msw_skip comparison.
	
2008-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR c/35739
	* tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
	reg type.

	PR tree-optimization/35899
	* tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
	rather than TREE_OPERAND.

2008-04-16  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35944
	* config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
	temporary registers.  Change operand predicate to general_operand.
	(remainderxf3): Ditto.

2008-04-16  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
	* tree-affine.c (aff_combination_expand): Look through some
	conversions.

2008-04-15  Doug Kwan  <dougkwan@google.com>

	* dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
	for hex printing.
	* tree-pretty-print.c (dump_generic_node): Ditto.
	* final.c (output_addr_const): Ditto.
	* dwarf2out.c (output_cfi): Ditto.
	* c-pretty-print.c (pp_c_integer_constant): Ditto.
	* print-rtl.c (print_rtx): Ditto.
	* print-tree.c (print_node_brief, print_node): Ditto.
	* c-common.c (match_case_to_enum_1): Ditto.
	* sched-vis.c (print_value): Ditto.
	* config/i386/i386.c (print_operand): Cast to long unsigned int
	for hex printing.

2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
	* libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
	MS Windows VirtualProtect function.

2008-04-15  Jan Hubicka  <jh@suse.cz>

	* gengtype.c (write_root): Param_is argument is OK.
	* expr.c (expand_expr_real_1): Update call of get_exception_*.
	* function.h: Include varray.h
	(rtl_eh): New stucture based on except.c one.
	(call_site_record): New forward declaration and vector type.
	* calls.c (emit_call_1): Do not call
	note_current_region_may_contain_throw.
	* except.c (eh_status): Remove cur_region, try_region since they are
	unused.
	Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
	exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
	sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
	Remove call_site_data_used, call_site_data_size.
	Turn call_site_record into vector in function.h.
	(note_current_region_may_contain_throw): Remove.
	(get_exception_pointer, get_exception_filter): Do not take struct
	function argument; update.
	(add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
	add_ttypes_entry, add_ehspec_entry, assign_filter_values,
	build_post_landing_pads, dw2_build_landing_pads,
	sjlj_assign_call_site_values, sjlj_mark_call_sites,
	sjlj_emit_function_enter, sjlj_emit_function_enter, 
	sjlj_emit_function_exit, sjlj_emit_dispatch_table,
	sjlj_build_landing_pads, finish_eh_generation,
	remove_exception_handler_label, remove_eh_handler,
	maybe_remove_eh_handler, add_reachable_handler,
	reachable_handlers, expand_builtin_eh_return, expand_eh_return,
	add_action_record, collect_one_action_chain, add_call_site,
	convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
	sjlj_output_call_site_table, output_function_exception_table,
	* except.h (note_current_region_may_contain_throw): Remove
	(get_exception_pointer, get_exception_filter): Do not take struct
	function argument.
	* Makefile.in (GTFILES): Put varargs before struct function.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
	punt for STRING_CST.
	(get_constraint_for): Deal with STRING_CST here instead.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-propagate.c (substitute_and_fold): Substitute
	statements in a basic-block with a backward walk.  Do not
	substitute into dead statements but instead remove those.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
	to zero, thus disable creation of SFTs.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-predcom.c (suitable_reference_p): Return false if the
	reference can throw.

2008-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/35751
	* c-decl.c (finish_decl): If extern or static var has variable
	size, set TREE_TYPE (decl) to error_mark_node.

2008-04-15  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_call_nonnegative_warnv_p): Remove local
	variable arg1.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
	* tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
	(visit_reference_op_load): Do walk vuse-vdef chains on
	vn_reference_lookup.
	(visit_reference_op_store): But do not here.
	* tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
	vn_reference_lookup.
	(vn_lookup_with_vuses): But do so here.

2008-04-14  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (fold_overflow_warning): Remove assertion.

2008-04-15  Ben Elliston  <bje@au.ibm.com>

	* config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
	temp1 local variables.

2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>

	PR target/35661
	* config/i386/winnt.c (i386_pe_section_type_flags): Mark
	".text.unlikely" section as executable.

2008-04-14  James E. Wilson  <wilson@tuliptree.org>

	* config/ia64/ia64.c (rtx_needs_barrier): Handle
	UNSPEC_FR_SQRT_RECIP_APPROX_RES.
	* config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
	(divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
	divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
	divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
	divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.

2008-04-14  Ian Lance Taylor  <iant@google.com>

	* flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
	* fold-const.c (fold_comparison): If appropriate, test
	POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
	(fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
	reassociating a pointer type.
	* doc/invoke.texi (Optimize Options): Document that
	-fstrict-overflow applies to pointer wraparound.

2008-04-13  Jan Hubicka  <jh@suse.cz>

	* m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.

2008-04-12  Andrew Pinski  <pinskia@gmail.com>

	* config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
	we are going to "save the world".

2008-04-13  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
	("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
	operand 0 constraint, not "=".

2008-04-11  James E. Wilson  <wilson@tuliptree.org>

	* system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	* dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
	of size of positions_needed * CHAR_BIT.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/35897
	* dse.c (store_info): Change positions_needed to unsigned
	HOST_WIDE_INT.
	(lowpart_bitmask): New.
	(record_store): Cast to unsigned HOST_WIDE_INT for
	positions_needed.  Assert width <= size of positions_needed *
	CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
	(check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
	lowpart_bitmask to set mask.

2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/constraints.md: New file.
	* config/bfin/bfin.md: Include it.
	(adddi3): Use satisfies_constraint functions instead of the old macros.
	* config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
	CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
	CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
	CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
	CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
	CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
	EXTRA_CONSTRAINT): Delete.
	* config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
	reg_or_neg7bit_operand): Use satisfies_constraint functions instead
	of the old macros.
	* config/bfin/bfin.c: Include "tm-constrs.h".
	(bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
	Use satisfies_constraint functions instead of the old macros.
	* doc/md.texi (Blackfin Constraints): Update file name reference.

2008-04-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35869
	* tree-vrp.c (execute_vrp): Move switch statement update after
	jump threading.  Schedule another cfg cleanup run.

2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35744
	* attribs.c (decl_attributes): Return early on errorneous node.

2008-04-10  Oleg Ryjkov  <olegr@google.com>

	* tree.h (struct tree_base): Added a new flag default_def_flag.
	(SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.

2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.

2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/35768
	* pa.md: Define mode iterator P.  Define mode attribute dwc.
	(dcacheflush): Update pattern to use iterator P and attribute dwc.
	(icacheflush): Likewise.
	* pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
	!TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.

2008-04-11  Ben Elliston  <bje@au.ibm.com>

	* config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.

2008-04-10  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_range_from_binary_expr): Don't handle
	TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
	(extract_range_from_expr): The same.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (GPR2): New mode iterator.
	(seq): Add comment.
	(*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
	*sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
	*slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
	Rewrite these to take two modes, the mode of comparison and the
	mode of the destination.
	* config/mips/mips.c (mips_expand_scc): Instead of having
	paradoxical subreg as destination, expand "narrowing" scc if mode
	of comparison is SI and target is requested in DI mode.
	(mips_emit_int_order_test): Update comment.  Make mode of
	comparison match CMP0 rather than TARGET.  When creating inverse
	target use mode of TARGET.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

	* gcov-dump.c (tag_summary): Only print summaries for the first
	GCOV_COUNTERS_SUMMABLE counters.

2008-04-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (absneg): New code iterator.
	(absnegprefix): New code attribute.
	(<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
	patterns using absneg code iterator.
	(<code>tf2): Macroize expander from abstf2 and negtf2 patterns
	using absneg code iterator.
	(*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
	*neg<mode>2 patterns using absneg code iterator.
	(*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
	*negextendsfdf2 patterns using absneg code iterator.
	(*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
	*negextendsfxf2 patterns using absneg code iterator.
	(*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
	*negextendsfdf2 patterns using absneg code iterator.
	* config/i386/sse.md (<code><mode>2): Macroize expander from
	abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 

2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h: Remove the remains of the recent search
	& replace action of current_function_outgoing_args_size.

2008-04-10  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/35821
	* tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
	NEW_STMT_LIST is not NULL.

2008-04-09  David Edelsohn  <edelsohn@gnu.org>

	PR libstdc++/35597
	* toplev.c (process_options): Remove -ffunction-sections debugging
	warning.

2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* explow.c (break_out_memory_refs): Use simplify_gen_binary rather
	than gen_rtx_fmt_ee to perform more canonicalizations.

2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR driver/35665
	* collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".

2008-04-09  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_stmt): Print complete bogus stmt.
	(dump_function_to_file): Dump function arguments with types.

2008-04-08  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_widened_comparison): Do not allow
	sign-changes that change the result.

2008-04-08  Janis Johnson  <janis187@us.ibm.com>

	PR target/35839
	* config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
	kinds of indirect references.

2008-04-08  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
	GNU Fortran language string.

2008-04-08  Rafael Espindola  <espindola@google.com>

	* fold-canst.c (tree_call_nonnegative_warnv_p): New.
	(tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
	* tree.h (tree_call_nonnegative_warnv_p): New.

2008-04-08  Jan Hubicka  <jh@suse.cz>

	* function.c (free_after_compilation): Clear out regno_reg_rtx
	pointer.

2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>

	Revert
	2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
	same precedence as REG_POINTER and MEM_POINTER operands.

2008-04-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35834
	* tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
	for adding index to base.

2008-04-08  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
	(MINGW_ENABLE_EXECUTE_STACK): New.
	(IN_LIBGCC2): For libgcc include windows.h file for
	function declarations.

2008-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
	and tem2 if tem1 is not a REG or MULT.

2008-04-08  Jan Hubicka  <jh@suse.cz>

	* function.h (incomming_args): Break out of struct function.
	(function_subsections): Break out of struct function.
	(rtl_data): Add args, subsections fields. Break out outgoing_args_size,
	return_rtx and hard_reg_initial_vals from struct function.
	Kill inl_max_label_num.
	(current_function_pops_args, current_function_args_info,
	current_function_args_size, current_function_args_size,
	current_function_pretend_args_size,
	current_function_outgoing_args_size,
	current_function_internal_arg_pointer, current_function_return_rtx):
	Kill compatibility accestor macros.
	* builtins.c (expand_builtin_apply_args_1): Update.
	(expand_builtin_next_arg): Update.
	* df-scan.c (df_get_call_refs): Update.
	* dbxout.c (dbxout_function_end): Update.
	* dwarf2out.c (dwarf2out_switch_text_section): Update.
	(output_line_info): Update.
	(secname_for_decl): Update.
	(dwarf2out_var_location): Update.
	* function.c (free_after_compilation): Update.
	(assign_parm_find_stack_rtl): Update.
	(assign_parms): Update.
	(expand_dummy_function_end): Update.
	(expand_function_end): Update.
	* calls.c (mem_overlaps_already_clobbered_arg_p): Update.
	(expand_call): Update.
	(emit_library_call_value_1): Update.
	(store_one_arg): Update.
	* varasm.c (initialize_cold_section_name): Update.
	(unlikely_text_section): Update.
	(unlikely_text_section_p): Update.
	(assemble_start_function): Update.
	(assemble_end_function): Update.
	(default_section_type_flags): Update.
	(switch_to_section): Update.
	* integrate.c (set_decl_abstract_flags): Update.
	(get_hard_reg_initial_val): Update.
	(has_hard_reg_initial_val): Update.
	(allocate_initial_values): Update.
	* resource.c (init_resource_info): Update.
	* config/alpha/alpha.c (NUM_ARGS): Update.
	(direct_return): Update.
	(alpha_va_start): Update.
	(alpha_sa_size): Update.
	(alpha_initial_elimination_offset): Update.
	(alpha_expand_prologue): Update.
	(alpha_start_function): Update.
	(alpha_expand_epilogue): Update.
	(unicosmk_initial_elimination_offset):
	* config/alpha/alpha.md (call expander): Update.
	* config/s390/s390.c (s390_register_info): Update.
	(s390_register_info): Update.
	(s390_frame_info): Update.
	(s390_initial_elimination_offset): Update.
	(s390_build_builtin_va_list): Update.
	(s390_va_start): Update.
	* config/spu/spu.c (direct_return): Update.
	(spu_expand_prologue): Update.
	(spu_initial_elimination_offset): Update.
	(spu_build_builtin_va_list): Update.
	(spu_va_start): Update.
	* config/sparc/sparc.c (sparc_init_modes): Update.
	(sparc_compute_frame_size): Update.
	(function_value): Update.
	* config/m32r/m32r.c (m32r_compute_frame_size): Update.
	* config/i386/i386.md (return expander): Update.
	* config/i386/i386.c (ix86_va_start): Update.
	(ix86_can_use_return_insn_p): Update.
	(ix86_compute_frame_layout): Update.
	(ix86_expand_epilogue): Update.
	* config/sh/sh.c (output_stack_adjust): Update.
	(calc_live_regs): Update.
	(sh_expand_prologue): Update.
	(sh_builtin_saveregs): Update.
	(sh_va_start): Update.
	(initial_elimination_offset): Update.
	(sh_allocate_initial_value): Update.
	(sh_function_ok_for_sibcall): Update.
	(sh_get_pr_initial_val): Update.
	* config/sh/sh.md (return expander): Update.
	* config/avr/avr.c (frame_pointer_required_p): UPdate.
	* config/crx/crx.c (crx_compute_frame): UPdate.
	(crx_initial_elimination_offset): UPdate.
	* config/xtensa/xtensa.c (compute_frame_size): Update
	(xtensa_builtin_saveregs): Update.
	(xtensa_va_start): Update.
	(order_regs_for_local_alloc): Update.
	* config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
	(xstormy16_expand_builtin_va_start): Update.
	* config/fr30/fr30.c (fr30_compute_frame_size): Update.
	* config/m68hc11/m68hc11.md (return expanders): Update.
	* config/m68hc11/m68hc11.c (expand_prologue): Update.
	(expand_epilogue): Update.
	* config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
	(cris_simple_epilogue): Update.
	(cris_expand_prologue): Update.
	(cris_expand_epilogue): Update.
	* config/iq2000/iq2000.c (iq2000_va_start): Update.
	(compute_frame_size): Update.
	* config/mt/mt.c (mt_compute_frame_size): Update.
	* config/mn10300/mn10300.c (expand_prologue): Update.
	(expand_epilogue): Update.
	(initial_offset): Update.
	(mn10300_builtin_saveregs):
	* config/mn10300/mn10300.md (return expander): Update.
	* config/ia64/ia64.c (ia64_compute_frame_size): Update.
	(ia64_initial_elimination_offset): Update.
	(ia64_initial_elimination_offset): Update.
	(ia64_expand_prologue): Update.
	* config/m68k/m68k.md (return expander): Update.
	* config/rs6000/rs6000.c (rs6000_va_start): Update.
	(rs6000_stack_info): Update.
	* config/mcore/mcore.c (layout_mcore_frame): Update.
	(mcore_expand_prolog): Update.
	* config/arc/arc.c (arc_compute_frame_size): Update.
	* config/score/score3.c (score3_compute_frame_size): Update.
	* config/score/score7.c (score7_compute_frame_size): Update.
	* config/arm/arm.c (use_return_insn): Update.
	(thumb_find_work_register): Update.
	(arm_compute_save_reg_mask): Update.
	(arm_output_function_prologue): Update.
	(arm_output_epilogue): Update.
	(arm_size_return_regs): Update.
	(arm_get_frame_offsets): Update.
	(arm_expand_prologue): Update.
	(thumb_exit): Update.
	(thumb_unexpanded_epilogue): Update.
	(thumb1_output_function_prologue): Update.
	* config/pa/pa.md (return expander): Update.
	* config/pa/pa.c (compute_frame_size): Update.
	(hppa_builtin_saveregs): Update.
	* config/mips/mips.c (mips_va_start): Update.
	(mips16_build_function_stub): Update.
	(mips_compute_frame_info): Update.
	(mips_restore_gp): Update.
	(mips_output_function_prologue): Update.
	(mips_expand_prologue): Update.
	* config/v850/v850.c (compute_frame_size): Update.
	(expand_prologue): * config/mmix/mmix.c (along): update.
	(mmix_initial_elimination_offset): update.
	(mmix_reorg): update.
	(mmix_use_simple_return): update.
	(mmix_expand_prologue): update.
	(mmix_expand_epilogue): Update.
	* config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
	(emit_link_insn): Update.

2008-04-08  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
	__AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
	instructions.
	* config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
	atmega103 device.

2008-04-07  Jan Hubicka  <jh@suse.cz>

	* function.h (rtl): Rename to x_rtl.
	(crtl): New define.
	(return_label, naked_return_label, stack_slot_list, parm_birth_insn,
	frame_offset, stack_check_probe_note, arg_pointer_save_area,
	used_temp_slots avail_temp_slots, temp_slot_level,
	nonlocal_goto_handler_labels): Update accesstors.
	(rtl): New global variable.
	(struct function): Move some fileds to rtl_data.
	(get_arg_pointer_save_area): Update prototype.
	* builtins.c (expand_builtin_setjmp_receiver): Update call of
	get_arg_pointer_save_area.
	* expr.c (init_expr): Update
	* function.c (get_frame_size): Update
	(assign_stack_local): Update
	(expand_function_end): Update.
	(get_art_pointer_save_area): Update
	* function.h 
	* emit-rtl.c (rtl): Declare.
	(regno_reg_rtx): Declare.
	(first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
	Update.
	(gen_reg_rtx): Update.
	* varasm.c (n_deferred_constatns): Update accestor.
	(init_varasm_status): Do not allocate varasm_status.
	(force_const_mem, get_pool_size, output_constant_pool): Update.
	* stmt.c (force_label_rtx): Do not use x_ prefixes.
	(expand_nl_goto_receiver): Update get_arg_pointer_save_area.
	* m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
	* sparc/sparc.h (INIT_EXPANDERS): Update.
	* ia64/ia64.h (INIT_EXPANDERS): Update.

2008-04-07  James E. Wilson  <wilson@tuliptree.org>

	* reload.c (push_secondary_reload): Add missing break to for loop.

2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* rtlanal.c: Update copyright years.
	(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
	as REG_POINTER and MEM_POINTER operands.
	* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
	(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
	* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
	* gcse.c: Update copyright years.
	(pre_delete): Call gen_reg_rtx_and_attrs.
	(hoist_code): Likewise.
	(build_store_vectors): Likewise.
	(delete_store): Likewise.
	* loop-invariant.c (move_invariant_reg): Likewise.
	Update copyright years.

2008-04-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
	control string instead of quoted.

2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/rtl.texi: Rewrite of subreg section.

2008-04-07  Kai Tietz  <kai.tietz@onevision.com>

	PR/35842
	* config/i386/i386.c (legitimize_pic_address): Add treating
	of dllimport SYM_REF's.
	(legitimize_dllimport_symbol): Add prototype.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
	reference in constructor with non self-referential type.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	Removal of Return with Depressed Stack Pointer support
	* tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
	(ECF_SP_DEPRESSED): Likewise.
	(ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
	* calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
	(flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	(expand_call): Do not test ECF_SP_DEPRESSED.
	* dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	* function.c (keep_stack_depressed): Delete.
	(handle_epilogue_set): Likewise.
	(update_epilogue_consts): Likewise.
	(emit_equiv_load): Likewise.
	(thread_prologue_and_epilogue_insns): Remove support for Return with
	Depressed Stack Pointer.
	* print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.

2008-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35400
	* tree-vrp.c (vrp_evaluate_conditional): Only query value-range
	information from SSA_NAMEs.

2008-04-06  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (avr_mega_p): Remove declaration.
	(AVR_MEGA): Remove macro.
	* config/avr/avr.c (avr_mega_p): Remove variable.
	(avr_override_options): Remove inicializion of avr_mega_p.
	Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
	(print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
	(avr_jump_mode): (Ditto.).
	(avr_output_progmem_section_asm_op): (Ditto.).
	(avr_asm_init_sections): (Ditto.).
	(avr_asm_init_sections): (Ditto.).
	(avr_rtx_costs): (Ditto.).
	* config/avr/avr.md: (Ditto.).
	* config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
	'__AVR_MEGA__'.

2008-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35842
	* tree-ssa-address.c (fixed_address_object_p): Adjust to match
	is_gimple_invariant_address.

2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* gcc.c (default_compilers): Sync Fortran extensions list with
	that in fortran/lang-specs.h.
	* doc/invoke.texi: Likewise.
	* dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
	* dwarf2out.c (gen_compile_unit_die): Likewise.

2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>

	* gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.

2008-04-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/12329
	* config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
	attribute is used for nested functions.

2008-04-05  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (init_emit): xcalloc regno_pointer_align.

	* tree-dump.c (dump_enable_all): Remove prototype; do not accept
	letter argument.
	(dump_files): Update.
	(enable_rtl_dump_file): Do not accept letter argument.
	* tree-pass.h (dump_file_info): Remove letter argument.
	* toplev.c (decode_d_option): Update -da handling.
	* toplev.h (enable_rtl_dump_file): Update prototype.
	* passes.c (register_one_dump_file): Do not accept IPA argument; work
	it out based on pass type.
	(register_dump_files_1): Likewise.
	(init_optimization_passes): Update register_one_dump_file calls.
	(execute_one_pass): Sanity check that IPA passes are called at IPA
	level and RTL passes at RTL level.
	(execute_pass_list): IPA pass can not be after or subpass of
	GIMPLE/RTL pass.
	(execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
	disallov RTL subpasses of IPA subpasses.

2008-04-05  Ben Elliston  <bje@au.ibm.com>

	* tree-cfg.c (need_fake_edge_p): Return false for calls to
	builtins that return exactly once and do not throw. Cache call to
	call_expr_flags.

2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>

	PR rtl-optimization/34916
	PR middle-end/35519
	* combine.c (create_log_links): Do not create duplicate LOG_LINKS
	between instruction pairs.

2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* doc/invoke.texi: Document -mbitops for SH.
	* config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
	* config/sh/predicates.md (bitwise_memory_operand): New	predicate.
	* config/sh/sh.c (print_operand): Add %t operand code.
	* config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
	* config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
	(extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
	(extendqihi2): Likewise.
	(movqi_i): Likewise.
	(insv): Use bset, bclr and bst instructions for SH2A if	possible.
	(extv): Use bld instruction for SH2A if possible.
	(extzv): Likewise.
	(bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
	bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
	bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
	(bset.b, bclr.b): Define peepholes.
	* config/sh/sh.opt (mbitops): New option.

2008-04-04  Janis Johnson  <janis187@us.ibm.com>

	PR target/35620
	* config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
	and view convert expression.

2008-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/35364
	* tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.

2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.

	* config/i386/cpuid.h (bit_AES): New.
	(bit_PCLMUL): Likewise.

	* config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
	(override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
	SSE2 if AES or PCLMUL is enabled.
	(ix86_builtins): Add IX86_BUILTIN_AESENC128,
	IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
	IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
	IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
	(bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
	(bdesc_2arg): Add IX86_BUILTIN_AESENC128,
	IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
	IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
	(bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
	(ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
	__builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
	__builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
	__builtin_ia32_aeskeygenassist128 and
	__builtin_ia32_pclmulqdq128.
	* config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
	(ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
	IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.

	* config/i386/i386.h (TARGET_AES): New.
	(TARGET_PCLMUL): Likewise.
	(TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.

	* config/i386/i386.md (UNSPEC_AESENC): New.
	(UNSPEC_AESENCLAST): Likewise.
	(UNSPEC_AESDEC): Likewise.
	(UNSPEC_AESDECLAST): Likewise.
	(UNSPEC_AESIMC): Likewise.
	(UNSPEC_AESKEYGENASSIST): Likewise.
	(UNSPEC_PCLMUL): Likewise.

	* config/i386/i386.opt (maes): New.
	(mpclmul): Likewise.

	* config/i386/sse.md (aesenc): New pattern.
	(aesenclast): Likewise.
	(aesdec): Likewise.
	(aesdeclast): Likewise.
	(aesimc): Likewise.
	(aeskeygenassist): Likewise.
	(pclmulqdq): Likewise.

	* config/i386/wmmintrin.h: New.

	* doc/extend.texi: Document AES and PCLMUL built-in function.

	* doc/invoke.texi: Document -maes and -mpclmul.

2008-04-04  Paolo Bonzini  <bonzini@gnu.org>

	* function.c (free_after_parsing): Replace with
	cxx_push_function_context from C++ front-end.
	(allocate_struct_function): Don't call langhook.
	* langhooks.h (struct lang_hooks_for_functions): Delete.
	(struct lang_hooks): Add back missing_noreturn_ok_p here, delete
	member "function".
	* langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
	(LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
	LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
	LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
	(LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
	remove LANG_HOOKS_FUNCTION_INITIALIZER.
	* tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.

	* c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
	Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
	
2008-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR c/35440
	* c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
	for all types.

2008-04-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35823
	* fold-const.c (optimize_minmax_comparison): Use the correct
	type for the constant in the simplified comparison.

2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>

	* config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
	Pass L2 size as "--param l2-cache-size" to the compiler.
	(decode_l2_cache): New function to decode L2 cache parameters using
	0x8000006 extended cpuid function.
	(detect_caches_amd): Determine parameters of L2 cache using
	decode_l2_caches function.
	(decode_caches_intel): Decode L2 cache parameters.
	(detect_caches_intel): Determine L2 cache parameters using
	decode_caches_intel and decode_l2_caches functions.

2008-04-03  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
	secondary input reload for subword loads from the constant pool.

2008-04-03  Janis Johnson  <janis187@us.ibm.com>

	PR target/35713
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
	  constants of the appropriate size for runtime calculations.

	PR c/35712
	* dfp.c (decimal_from_decnumber): Retain trailing zeroes for
	  decimal-float literal constant zero.

2008-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/35738
	* c-parser.c (c_parser_omp_atomic): Call
	default_function_array_conversion on the RHS.

	PR middle-end/35818
	* omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
	call is_variable_sized if decl has incomplete type.

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_aligned_p): Removed.

2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
	iterators.
	(u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
	(sgt<u>): Merge sgt and sgtu into new expander.
	(sgt, sgtu): Remove expanders.
	(*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
	(*sgt_<mode>, *sgtu_<mode>): Remove patterns.
	(*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
	*sgtu_<mode>_mips16 into new pattern.
	(*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
	(sge<u>): Merge sge and sgeu into new expander.
	(sge, sgeu): Remove expanders.
	(*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
	new pattern.
	(*sge_<mode>, second *sge_<mode>): Remove patterns.
	(slt<u>): Merge slt and sltu into new expander.
	(slt, sltu): Remove expanders.
	(*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
	(*slt_<mode>, *sltu_<mode>): Remove patterns.
	(*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
	*sltu_<mode>_mips16 into new pattern.
	(*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
	(sle<u>): Merge sle and sleu into new expander.
	(sle, sleu): Remove expanders.
	(*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
	(*sle_<mode>, *sleu_<mode>): Remove patterns.
	(*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
	*sleu_<mode>_mips16 into new pattern.
	(*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.

2008-04-03  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/35795
	* alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
	* sparc/sparc.c (sparc_output_mi_thunk): Likewise.
	* ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* m68k/m68k.c (m68k_output_mi_thunk): Likewise.
	* score/score3.c (score3_output_mi_thunk): Likewise.
	* score/score7.c (score7_output_mi_thunk): Likewise.
	* mips/mips.c (mips_output_mi_thunk): Likewise.

2008-04-03  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (extract_range_from_unary_expr): Handle all
	conversions.  Simplify code.

2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_output_mi_thunk): Free cfun.

2008-04-03  Tom Tromey  <tromey@redhat.com>
	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* doc/sourcebuild.texi (Front End Directory): Document new
	variable.
	* Makefile.in (generated_files): New variable.
	(ALL_HOST_OBJS): New variable.
	($(ALL_HOST_OBJS)): New target.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

	* tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
	(remap_block): Call id->transform_lang_insert_block instead
	of langhook.
	(optimize_inline_calls, unsave_expr_now, tree_function_versioning):
	Set id.transform_lang_insert_block to NULL.
	(clone_body): Move to cp/optimize.c
	* tree-inline.h (struct copy_body_data): Change
	transform_lang_insert_block to function pointer.
	(copy_generic_body, copy_decl_no_change): Export.
	* langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
	* langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
	(LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.

	* c-tree.h (insert_block): Kill.
	* c-decl.c (insert_block): Kill.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

	* c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
	LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
	* c-tree.h (c_push_function_context, c_pop_function_context): Remove
	argument.
	* c-decl.c (c_push_function_context, c_pop_function_context): Remove
	argument, call {push,pop}_function_context from here.
	* c-parser.c: Use c_{push,pop}_function_context.

	* function.c (push_function_context_to): Move meat ...
	(push_function_context): ... here.  Simplify.
	* function.c (pop_function_context_from): Move meat ...
	(pop_function_context): ... here.  Simplify.
	* langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
	leave_nested).
	* langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
	LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
	(LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
	* tree.h (push_function_context_to, pop_function_context_from): Remove.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

	* expmed.c (extract_force_align_mem_bit_field): Remove.

2008-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35800
	* expr.h (try_casesi): Adjust prototype.
	* expr.c (try_casesi): Take fallback label as extra parameter.
	Use that for gen_casesi if default_label is NULL.
	* stmt.c (expand_case): Pass fallback label to try_casesi,
	make sure to fill gaps with a fallback label if default_label
	is not present.

2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>

	PR target/35801
	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

	* expmed.c (extract_split_bit_field): Remove if (0) code.
	* tree-ssa-structalias.c (do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.

2008-04-02  Joseph Myers  <joseph@codesourcery.com>

	* doc/cppopts.texi (-dU): Document.
	* c-common.h (flag_dump_macros): Update comment.
	* c-opts.c (handle_OPT_d): Handle -dU.
	* c-ppoutput.c (macro_queue, define_queue, undef_queue,
	dump_queued_macros, cb_used_define, cb_used_undef): New.
	(init_pp_output): Handle -dU.
	(cb_line_change): Call dump_queued_macros.
	* toplev.c (decode_d_option): Accept -dU as preprocessor option.

2008-04-02  Anatoly Sokolov <aesok@post.ru>

	* config/avr/predicates.md (io_address_operand): New predicate. 
	* config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
	* config/avr/avr.c (avr_io_address_p): Remove function.
	(out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
	'avr_io_address_p' function.
	(out_movhi_r_mr): (Ditto.).
	(out_movqi_mr_r): (Ditto.).
	(out_movhi_mr_r): (Ditto.).
	(avr_address_cost): (Ditto.).

2008-04-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
	Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
	in 32bit mode when XMM registers are available to avoid store
	forwarding stalls.
	(floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
	corresponding post-reload splitters.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
	and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
	__builtin_ia32_roundss.
	(ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
	__builtin_ia32_shufpd, __builtin_ia32_roundsd and
	__builtin_ia32_roundss.
	(ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
	IX86_BUILTIN_SHUFPD here.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (plogic): New.
	(plogicprefix): Likewise.

	* config/i386/mmx.md (mmx_<code><mode>3): New.
	(mmx_and<mode>3): Removed.
	(mmx_ior<mode>3): Likewise.
	(mmx_xor<mode>3): Likewise.

	* config/i386/sse.md (<code><mode>3): New.
	(*<code><mode>3): Likewise.
	(*<code><mode>3): Likewise.
	(<code><mode>3): Likewise.
	(*sse_<code><mode>3): Likewise.
	(*sse2_<code><mode>3): Likewise.
	(<code>tf3): Likewise.
	(*<code>tf3): Likewise.
	(and<mode>3): Likewise.
	(*and<mode>3): Likewise.
	(ior<mode>3): Removed.
	(*ior<mode>3): Likewise.
	(xor<mode>3): Likewise.
	(*xor<mode>3): Likewise.
	(*and<mode>3): Likewise.
	(*ior<mode>3): Likewise.
	(*xor<mode>3): Likewise.
	(and<mode>3): Likewise.
	(*sse_and<mode>3): Likewise.
	(*sse2_and<mode>3): Likewise.
	(andtf3): Likewise.
	(*andtf3): Likewise.
	(ior<mode>3): Likewise.
	(*sse_ior<mode>3): Likewise.
	(*sse2_ior<mode>3): Likewise.
	(iortf3): Likewise.
	(*iortf3): Likewise.
	(xor<mode>3): Likewise.
	(*sse_xor<mode>3): Likewise.
	(*sse2_xor<mode>3): Likewise.
	(xortf3): Likewise.
	(*xortf3): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14495
	PR tree-optimization/34793
	* tree-vrp.c (struct switch_update): New structure.
	(to_remove_edges, to_update_switch_stmts): New VECs.
	(simplify_switch_using_ranges): New function.  Remove not taken
	case labels and edges.
	(simplify_stmt_using_ranges): Call it.
	(identify_jump_threads): Mark edges we have queued for removal
	so we don't thread them.
	(execute_vrp): Remove edges queued for removal, update SWITCH_STMT
	case label vector.
	* tree-cfg.c (group_case_labels): Deal with missing default label.
	(tree_verify_flow_info): Allow missing default label.
	* stmt.c (emit_case_bit_tests): Deal with NULL default_label.
	(emit_case_nodes): Likewise.
	(expand_case): Do not rely on the default label to be present.
	* expr.c (try_casesi): Deal with NULL default_label.
	(do_tablejump): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14495
	* tree-vrp.c (vrp_visit_cond_stmt): Do not handle
	SWITCH_EXPR here ...
	(vrp_visit_switch_stmt): ... but here (new function).
	(find_case_label_index): New helper function.
	(vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	* fwprop.c: Fix ISO-C99ism.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35752
	* Makefile.in (objdir): Set it here.
	* configure.ac: Not here.  Find dynamic linker characteristics.
	* exec-tool.in: Use them.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_var): Delete it.
	* expr.h (expand_var): Delete prototype.
	* function.c (expand_function_start): Use expand_decl instead.
	* cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
	langhook.

2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>

	PR rtl-optimization/35542
	* fwprop.c (forward_propagate_and_simplify): Replace
	loc_reg_mentioned_in_p with reg_mentioned_p.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
	(propagate_rtx_1): Handle PR_HANDLE_MEM.
	(propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
	(varying_mem_p): Move above propagate_rtx.
	(all_uses_available_at): Do not check MEMs.

2008-04-02  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_code_and_val_from_cond): Remove.
	(register_edge_assert_for_2): Split the cond argument.
	(register_edge_assert_for_1): Adjust for the change in
	register_edge_assert_for_2.
	(register_edge_assert_for): Split the cond argument.
	(find_switch_asserts): Adjust for the change in
	register_edge_assert_for.

2008-04-02  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
	offsets for 64-bit mingw.
	* config/i386/i386.c (ix86_pass_by_reference): Correct calling
	abi for x86_64-pc-mingw.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (extract_range_from_assert): Make sure to not
	produce range min/max with TREE_OVERFOW set.
	If merging a anti-range and a range keep the anti-range if
	the range covers all values of the type.
	(register_edge_assert_for_2): Only allow sign-changing
	conversions in detecting canonical range checks.  Also
	register an assert for the unsigned name if useful.

	PR tree-optimization/35787
	* tree-vrp.c (vrp_val_max): New function.
	(vrp_val_min): Likewise.
	(vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
	(vrp_val_is_min): Likewise.
	(supports_overflow_infinity): Use vrp_val_{min,max}.
	(negative_overflow_infinity): Likewise.
	(positive_overflow_infinity): Likewise.
	(is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
	(is_positive_overflow_infinity): Likewise.
	(is_overflow_infinity): Likewise.
	(avoid_overflow_infinity): Use vrp_val_{min,max} and
	vrp_val_is_{min,max}.
	(set_and_canonicalize_value_range): Canonicalize anti-ranges
	to ranges if possible.  Avoid empty ranges.

2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/35705
	* fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
	the expression is a function address.

2008-04-01  George Helffrich  <george@gcc.gnu.org>

	PR fortran/35154, fortran/23057
	* dbxout.c: Emit .stabs debug info for Fortran COMMON block
	variables as base symbol name + offset using N_BCOMM/N_ECOMM.
	(is_fortran, dbxout_common_name, dbxout_common_check): New functions.
	(dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
	in common.
	(dbxout_syms): Check for COMMON-based symbol and wrap in
	N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
	in bracket for efficiency.

	* dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
	using DW_TAG_common_block + member offset.
	(add_pubname_string): New function.
	(dw_expand_expr): New function to find block name and offset for
	COMMON var.
	(common_check): New function to check whether symbol in Fortran COMMON.
	(gen_variable_die): If COMMON, use DW_TAG_common_block.

2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35436
	* c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.

2008-04-02  Ben Elliston  <bje@au.ibm.com>

	* config/v850/v850.md (casesi): Remove if (0) code.
	* config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.

2008-04-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (rex64suffix): New mode attribute.
	(floathi<mode>2): Disable expander for SSE math.
	(*floathi<mode>2_1): New insn insn_and_split pattern.
	(*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floathi<mode>2_i387): New macroized insn pattern.
	(float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
	insn_and_split pattern.
	(*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
	New macroized instruction patterns and corresponding post-reload
	splitters.
	(*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
	and corresponding post-reload splitters.
	(*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
	New macroized instruction patterns.
	(*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
	macroized instruction patterns and corresponding post-reload splitters.
	(*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
	New macroized instruction patterns.
	(*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floatsi<mode>2_i387): New macroized instruction patterns.

2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (smaxmin): New.
	(umaxmin): Likewise.
	(maxminiprefix): Likewise.
	(maxminfprefix): Likewise.
	(<code><mode>3): Likewise.
	(smin<mode>3): Removed.
	(smax<mode>3): Likewise.

	* config/i386/mmx.md (mmx_<code>v2sf3): New.
	(mmx_<code>v4hi3): Likewise.
	(mmx_<code>v8qi3): Likewise.
	(mmx_smaxv2sf3): Removed.
	(mmx_sminv2sf3): Likewise.
	(mmx_umaxv8qi3): Likewise.
	(mmx_smaxv4hi3): Likewise.
	(mmx_uminv8qi3): Likewise.
	(mmx_sminv4hi3): Likewise.

	* config/i386/sse.md (<addsub><mode>3): New.
	(*<addsub><mode>3): Likewise.
	(<sse>_vm<addsub><mode>3): Likewise.
	(<maxmin><mode>3): Likewise.
	(*<maxmin><mode>3_finite): Likewise.
	(*<maxmin><mode>3): Likewise.
	(<sse>_vm<maxmin><mode>3): Likewise.
	(sse3_h<addsub>v4sf3): Likewise.
	(sse3_h<addsub>v2df3): Likewise.
	(<maxmin>v16qi3): Likewise.
	(*<maxmin>v16qi3): Likewise.
	(<maxmin>v8hi3): Likewise.
	(*<maxmin>v8hi3): Likewise.
	(*sse4_1_<maxmin><mode>3): Likewise.
	(*sse4_1_<maxmin><mode>3): Likewise.
	(add<mode>3): Removed.
	(*add<mode>3): Likewise.
	(<sse>_vmadd<mode>3): Likewise.
	(sub<mode>3): Likewise.
	(*sub<mode>3): Likewise.
	(<sse>_vmsub<mode>3): Likewise.
	(smin<mode>3): Likewise.
	(*smin<mode>3_finite): Likewise.
	(*smin<mode>3): Likewise.
	(<sse>_vmsmin<mode>3): Likewise.
	(smax<mode>3): Likewise.
	(*smax<mode>3_finite): Likewise.
	(*smax<mode>3): Likewise.
	(<sse>_vmsmax<mode>3): Likewise.
	(sse3_haddv4sf3): Likewise.
	(sse3_haddv2df3): Likewise.
	(sse3_hsubv4sf3): Likewise.
	(sse3_hsubv2df3): Likewise.
	(umaxv16qi3): Likewise.
	(*umaxv16qi3): Likewise.
	(smaxv8hi3): Likewise.
	(*smaxv8hi3): Likewise.
	(*sse4_1_smax<mode>3): Likewise.
	(*sse4_1_umax<mode>3): Likewise.
	(uminv16qi3): Likewise.
	(*uminv16qi3): Likewise.
	(sminv8hi3): Likewise.
	(*sminv8hi3): Likewise.
	(*sse4_1_smin<mode>3): Likewise.
	(*sse4_1_umin<mode>3): Likewise.

2008-04-01  Rafael Espindola  <espindola@google.com>

	* tree-cfg.c (verify_expr): remove in_phi.
	(verify_stmt): Don't call walk_tree with verify_expr. Use
	is_gimple_min_invariant instead of is_gimple_val.

2008-04-01  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/gpl_v3.texi: Update for manpage generation.
	* doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
	gpl.texi.
	* doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
	* Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
	gpl_v3.texi instead of gpl.texi.
	(gpl.pod): New.

2008-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR pch/13675
	* c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).

2008-04-01  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
	(extract_code_and_val_from_cond): Use
	extract_code_and_val_from_cond_with_ops.

2008-04-01  Jan Hubicka  <jh@suse.cz>

	* function.c (free_after_compilation): Free epilogue_delay_list.
	(prepare_function_start): Assert that previous compilation was freed.

2008-04-01  Jan Hubicka  <jh@suse.cz>
	    Jim Wilson  <wilson@tuliptree.org>
	    Andreas Tobler <andreast@gcc.gnu.org>

	PR middle-end/35781
	* m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
	rtl.emit instead cfun->emit.
	* sparc/sparc.h (INIT_EXPANDERS): Likewise.
	* ia64/ia64.h (INIT_EXPANDERS): Likewise.

2008-04-01  Ben Elliston  <bje@au.ibm.com>

	* doc/c-tree.texi (Function Basics): Fix grammatical error.

2008-03-31  Seongbae Park <seongbae.park@gmail.com>

	* common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
	New options
	(fprofile-use): Add var flag_profile_use
	* coverage.c (coverage_begin_output): Do not open a gcno file for
	output only if -ftest-coverage is set.
	Do not add getpwd() to gcda file path.
	(build_gcov_info): Check the new flag
	flag_profile_datafile_relative_path.
	(coverage_init): Use profile_data_prefix.
	Read profile counter only if flag_profile_use is set.
	* opts.c (common_handle_option): New option fprofile-use=,
	fprofile-dir=, fprofile-generate=.
	* toplev.c (profile_data_prefix): New variable definition.
	* toplev.h (profile_data_prefix): New declaration.
	* doc/invoke.tex (Option Summary, Optimization Options):
	Add new options.

2008-03-31  James E. Wilson  <wilson@tuliptree.org>

	* varasm.c (output_constant_pool_1): In LABEL_REF check,
	use tmp consistently.

	PR target/35695
	* config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
	* config/ia64/ia64.c (rtx_needs_barrier): Handle
	UNSPEC_FR_RECIP_APPROX_RES.
	* config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.

2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35750
	* c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.

2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30186
	* fold-const.c (fold_indirect_ref_1): Support accessing non first
	element of the vector via a pointer.

2008-03-31  Ian Lance Taylor  <iant@google.com>

	* tlink.c (scan_linker_output): Look for symbol name in single quotes.

2008-03-31  Jan Hubicka  <jh@suse.cz>

	* builtins.c (expand_builtin_setjmp_receiver): Update call of
	get_arg_pointer_save_area.
	* expr.c (init_expr): Just clear out rtl.expr.
	* function.c (free_after_compilation): Clear out whole RTL structure.
	(get_func_frame_size): Merge into ...
	(get_frame_size): ... this one.
	(assign_stack_local_1): Merge into ...
	(assign_stack_local): ... this one.
	(expand_function_end): Update call of get_arg_pointer_save_area.
	(get_art_pointer_save_area): Remove cfun argument.
	* function.h (emit_status): regno_pointer_align does not need length
	attribute. Move x_regno_reg_rtx to ...
	(regno_reg_rtx): ... new global array.
	(reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
	(pending_stack_adjust, inhibit_defer_pop, saveregs_value,
	apply_args_value, forced_labels, stack_pointer_delta):
	Update accestors.
	(struct varasm_status): Move here from varasm.c
	(struct rtl_data): New. Move here some fields from struct function.
	(return_label, naked_return_label, stack_slot_list, parm_birth_insn,
	frame_offset, stack_check_probe_note, arg_pointer_save_area,
	used_temp_slots avail_temp_slots, temp_slot_level,
	nonlocal_goto_handler_labels): Update accesstors.
	(rtl): New global variable.
	(struct function): Move some fileds to rtl_data.
	(get_arg_pointer_save_area): Update prototype.
	* emit-rtl.c (rtl): Declare.
	(regno_reg_rtx): Declare.
	(first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
	Update.
	(gen_reg_rtx): Update.
	(init_virtual_regs): Do not tate emit_status argument.
	(init_emit): Do not allocate emit.
	* varasm.c (varasm_statuc): Move to function.h.
	(n_deferred_constatns): Update accestor.
	(init_varasm_status): Do not allocate varasm_status.
	(force_const_mem, get_pool_size, output_constant_pool): Update.
	* stmt.c (force_label_rtx): Do not use x_ prefixes.
	(expand_nl_goto_receiver): Update get_arg_pointer_save_area.

2008-03-31  Zdenek Dvorak  <ook@ucw.cz>

	PR rtl-optimization/35729
	* loop-invariant.c (check_maybe_invariant): Disallow volatile memory
	references.

2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/32000
	* config/i386/i386.md (*movti_internal): Emit unaligned SSE
	load/store if memory is unaligned.
	(*movti_rex64): Likewise.

	* config/i386/predicates.md (misaligned_operand): New.

2008-03-31  Andrew Pinski  <pinskia@gmail.com>

	PR tree-opt/35431
	* tree-ssa-phiopt.c (conditional_replacement): Return early for
	complex types.

2008-03-31  Jan Beulich  <jbeulich@novell.com>

	* config/ia64/constraints.md: Add 'j' constraint.
	* config/ia64/ia64.md (movsi_internal): Add addp4 case.
	(movdi_internal): Likewise.

2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35748
	* c-typeck.c (build_c_cast): Skip invalid fields in unions.

2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35757
	* config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
	proper error message for the third argument on blendpd and
	blendps.

	* config/i386/sse.md (blendbits): New.
	(sse4_1_blendp<ssemodesuffixf2c>): Use it.

2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.

2008-03-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31023
	* fold-const.c (fold_sign_changed_comparison): Do leave
	conversions to base-types alone.

2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
	the link register if one altivec register is be saved.

2008-03-30  Ben Elliston  <bje@au.ibm.com>

	* final.c (final_scan_insn): Remove if (0) code.

2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>

	* c-parser.c (c_parser_next_token_is_keyword): Simplify.

2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
	of V4SFmode to ix86_binary_operator_ok.

2008-03-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (override_options): Initialize
	ix86_veclib_handler to ix86_veclibabi_svml when
	-mveclibabi=svml is used.
	(ix86_veclibabi_svml): New function for SVML ABI style
	vectorization support.
	* doc/invoke.texi (-mveclibabi) [svml]: Document new target option.

2008-03-28  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
	(tree_binary_nonnegative_warnv_p): Make it public.
	(tree_single_nonnegative_warnv_p): Make it public.
	(tree_invalid_nonnegative_warnv_p): Make it public.
	(tree_unary_nonzero_warnv_p): Make it public.
	(tree_binary_nonzero_warnv_p): Make it public
	(tree_single_nonzero_warnv_p): Make it public.
	* tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
	(extract_range_from_binary_expr): Split the expr argument.
	(extract_range_from_unary_expr): Split the expr argument.
	(extract_range_from_comparison): Split the expr argument.
	(extract_range_from_expr): Use the new aux functions.
	(vrp_evaluate_conditional_warnv): Use
	vrp_evaluate_conditional_warnv_with_ops.
	* tree.h (tree_unary_nonzero_warnv_p): Declare.
	(tree_binary_nonzero_warnv_p): Declare.
	(tree_single_nonzero_warnv_p): Declare.
	(tree_expr_nonzero_warnv_p): Declare.
	(tree_unary_nonnegative_warnv_p): Declare.
	(tree_binary_nonnegative_warnv_p): Declare.
	(tree_single_nonnegative_warnv_p): Declare.
	(tree_invalid_nonnegative_warnv_p): Declare.

2008-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/30317
	PR tree-optimization/30911
	PR tree-optimization/34793
	* tree-vrp.c (set_and_canonicalize_value_range): New function.
	(struct assert_locus_d): New member EXPR.
	(register_new_assert_for): Add EXPR parameter to support
	ASSERT_EXPR <name, expr OP limit>.
	(register_edge_assert_for_1): Adjust callers.
	(find_assert_locations): Likewise.
	(process_assert_insertions_for): Build condition from expression.
	(extract_range_from_assert): Handle ASSERT_EXPRs
	of the form ASSERT_EXPR <name, expr OP limit>.
	(register_edge_assert_for_2): New helper registering
	asserts for comparisons.  Recognize range tests of the form
	(unsigned)i - CST1 OP CST2.
	(register_edge_assert_for_1): Use it.
	(register_edge_assert_for): Likewise.
	(needs_overflow_infinity): Integer sub-types
	do not need overflow infinities.
	(vrp_val_is_max): The extreme values of integer sub-types
	are those of the base type.
	(vrp_val_is_min): Likewise.
	* tree.def (ASSERT_EXPR): Document extra allowed conditional
	expressions.

2008-03-28  Nick Clifton  <nickc@redhat.com>

	PR target/31110
	* config/mn10300/mn10300.c (mn10300_secondary_reload_class):
	Return GENERAL_REGS for stack adjustment reloads.

2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/31334
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
	const_vector when all the vectors are constant.

2008-03-27  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (gen_float_relational): Handle unordered
	comparisons.
	* config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
	(any_scc_sf): Add uneq, unlt, unle and unordered operators.
	(scc_sf): New.
	(s<code>_sf): Use new scc_sf attribute for opcode names.

2008-03-27  Tom Tromey  <tromey@redhat.com>

	* doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
	configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
	config/spu/t-spu-elf, config/i386/t-interix,
	config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
	config/i386/x-darwin, config/i386/x-mingw32,
	config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
	config/sh/t-sh, config/sh/t-symbian, config/x-linux,
	config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
	config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
	config/rs6000/x-rs6000, config/rs6000/x-darwin64,
	config/rs6000/x-darwin, config/rs6000/t-rs6000,
	config/score/t-score-elf, config/arm/t-strongarm-pe,
	config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
	config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
	Revert automatic dependency patch.

2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35657
	* config/i386/i386.c (ix86_function_arg_boundary): Align
	decimal floating point to its natural boundary.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35716
	* fold-const.c (fold_comparison): Restrict distinct decl
	comparison folding to VAR_DECLs and PARM_DECLs.  Do not
	solely rely on operand_equal_p.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR c/32511
	* c-common.c (handle_weak_attribute): Reject combination of
	weak and inline.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32810
	* tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
	conversions from DECL_INITIAL.
	(fold_const_aggregate_ref): Likewise from constructor elements.

2008-03-27  Zdenek Dvorak  <ook@ucw.cz>

	* tree-affine.h (aff_combination_expand): Declare.
	(get_inner_reference_aff): Likewise.
	* tree-affine.c	(aff_combination_expand): Split out from
	tree_to_aff_combination_expand.
	(get_inner_reference_aff): New function.
	* tree-parloops.c (loop_parallel_p): Free vectorizer info.
	* tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
	(struct lim_aux_data): sm_done field removed.
	(mem_ref_loc_p, mem_ref_locs_p): New types.
	(struct mem_ref): Added id, stored, accesses_in_loop,
	indep_loop, dep_loop, indep_ref, dep_ref fields.
	Removed is_stored, locs and next fields.
	(memory_accesses): New variable.
	(movement_possibility): Do not allow moving statements
	that store to memory.
	(outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
	New functions.
	(determine_max_movement): For statements with memory references,
	find the outermost loop in that the reference is independent.
	(move_computations_stmt): Mark the virtual operands for renaming.
	(memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
	gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
	vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
	add_vop_ref_mapping, create_vop_ref_mapping_loop,
	create_vop_ref_mapping, analyze_memory_references,
	cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
	get_all_locs_in_loop, ref_always_accessed_p,
	refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
	ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
	store_motion_loop, store_motion): New functions.
	(struct vop_to_refs_elt): New type.
	(record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
	memref_hash, memref_eq, hoist_memory_references): Rewritten.
	(schedule_sm): Replaced by...
	(execute_sm): ... this.
	(determine_lsm_ref, hoist_memory_references,
	loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
	find_more_ref_vops, free_mem_ref, free_mem_refs,
	determine_lsm_loop, determine_lsm): Removed.
	(tree_ssa_lim_finalize): Free data structures used by store motion.
	(tree_ssa_lim): Call analyze_memory_references.  Use
	store_motion instead of determine_lsm.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
	rename tmake_file to m68hc11/t-m68hc11.
	(mcore): Set inhibit_libc to true.
	* config.host (alpha*-dec-*vms*): Set extra_programs.
	(interix3*): Don't use host_xmake_file.
	* configure.ac: Let config.gcc override inhibit_libc.
	* configure: Regenerate.

	* config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
	* config/t-openbsd-thread: Remove commented out lines.
	
	* config/x-interix: Remove.

	* config/m68hc11/t-m68hc11-gas: Rename to...
	* config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.

	* config/mcore/t-mcore: Remove T_CFLAGS.
	* config/mcore/t-mcore-pe: Likewise.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Replace custom __GNU_SOURCE test with
	AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* config.in: Regenerate.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of decls
	that bind locally or of constants.  Consolidate address folding code.
	* tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
	results from fold_binary_to_constant.
	(compare_values_warnv): Likewise.

2008-03-27  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/35429
	* fold-const.c (fold_truthop): Check for integeral types when folding
	a == 0 && b == 0 and a != 0 || b != 0 .

2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.

2008-03-26  Andreas Schwab  <schwab@suse.de>

	* doc/invoke.texi: Fix use of @item vs. @itemx.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o, build/print-rtl.o,
	build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
	build/genattrtab.o, build/genautomata.o, build/gencheck.o,
	build/gencodes.o, build/genconditions.o, build/genconfig.o,
	build/genconstants.o, build/genemit.o, build/genextract.o,
	build/genflags.o, build/genmddeps.o, build/genopinit.o,
	build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
	options.h.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	Revert
	2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_pow, fold_builtin_cabs,
	fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
	fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
	dconstsqrt2, dconstthird, dconste and/or dconst10.
	* config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
	* emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(init_emit_once): Likewise.  Simplify initializing dconstm1.
	Constify variable.
	* real.c (get_real_const): New.
	* real.h (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(real_value_const, get_real_const): New.

2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.

	* config/i386/i386.c (ix86_function_arg_boundary): Check
	BIGGEST_ALIGNMENT instead of 128.
	(setup_incoming_varargs_64): Likewise.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (DEPFILES): Add missing '/'.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Nick Clifton  <nickc@redhat.com>

	PR target/31232
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
	not allow INT+INT as a legitimate addressing mode.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (widen_bitfield): Remove declaration.
	* tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
	(widen_bitfield): Remove function.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
	code.

2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/31558
	* config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
	error_mark_node's.

2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/35232
	* reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
	(forget_old_reloads_1, forget_marked_reloads): Don't clear
	reg_reloaded_call_part_clobbered here.
	(reload_regs_reach_end_p): New function.
	(reload_reg_rtx_for_input): New variable.
	(reload_reg_rtx_for_output): Likewise.
	(emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
	when reassigning a pseudo register.  Load reloadreg from 
	reload_reg_rtx_for_input, moving the mode and register
	calculation to...
	(do_input_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an input reload
	would be a no-op or whether an output reload can be deleted.
	(emit_output_reload_insns): Use the mode-adjusted reg_rtx
	when setting up new_spill_reg_store.  Load it from
	reload_reg_rtx_for_output, moving the mode and register
	calculation to...
	(do_output_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an output reload
	would be a no-op.  Do the same when modifying insn notes.
	Use rtx_equal_p instead of == to compare the registers.
	(inherit_piecemeal_p): Take a mode and two register numbers
	as argument.
	(emit_reload_insns): Clear new_spill_reg_store for every hard
	register in the reload register.  Remove spill registers
	from reg_reloaded_valid before considering whether to record
	inheritance information for them.  Use reload_reg_rtx_for_output
	instead of reg_rtx when recording output reloads.  Use
	reload_reg_rtx_for_input instead of reg_rtx when recording
	input reloads.  Set or clear reg_reloaded_call_part_clobbered
	at the same time as setting reg_reloaded_valid.
	(delete_output_reload): Add a new_reload_reg parameter and use it
	instead of rld[j].reg_rtx.
	(emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
	calls accordingly.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o): Depend on insn-modes.h.
	(build/genattr.o): Likewise.
	(build/genattrtab.o): Likewise.
	(build/gencodes.o): Likewise.
	(build/genconfig.o): Likewise.
	(build/genconstants.o): Likewise.
	(build/genemit.o): Likewise.
	(build/genextract.o): Likewise.
	(build/genflags.o): Likewise.

2008-03-25  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
	instead of size_int for integer types.
	(xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
	to match type of MINUS_EXPR.
	
2008-03-25  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.
	* configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
	Makefile.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* config/x-solaris (host-solaris.o): Update.
	* config/x-linux (host-linux.o): Update.
	* config/x-hpux (host-hpux.o): Update.
	* config/x-darwin (host-darwin.o): Update.
	* config/v850/t-v850e (v850-c.o): Update.
	* config/v850/t-v850 (v850-c.o): Update.
	* config/t-vxworks (vxworks.o): Update.
	* config/t-sol2 (sol2-c.o, sol2.o): Update.
	* config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
	* config/spu/t-spu-elf (spu-c.o): Update.
	(spu.o): Remove.
	* config/sh/t-symbian (sh-c.o): Update.
	(symbian.o): Update.
	* config/sh/t-sh (sh-c.o): Update.
	* config/score/t-score-elf (score7.o, score3.o): Update.
	* config/rs6000/x-rs6000 (driver-rs6000.o): Update.
	* config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Update.
	* config/rs6000/t-rs6000 (rs6000-c.o): Update.
	(rs6000.o): Remove.
	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/m32c/t-m32c (m32c-pragma.o): Update.
	* config/ia64/t-ia64 (ia64-c.o): Update.
	* config/i386/x-mingw32 (host-mingw32.o): Update.
	* config/i386/x-i386 (driver-i386.o): Update.
	* config/i386/x-darwin (host-i386-darwin.o): Update.
	* config/i386/x-cygwin (host-cygwin.o): Update.
	* config/i386/t-nwld (nwld.o): Update.
	* config/i386/t-netware (netware.o): Update.
	* config/i386/t-interix (winnt.o): Update.
	* config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
	* config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
	msformat-c.o): Update.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* config/arm/t-wince-pe (pe.o): Update.
	* config/arm/t-strongarm-pe (pe.o): Update.
	* config/arm/t-pe (pe.o): Update.
	* config/arm/t-arm (arm-c.o): Update.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* Makefile.in: Remove .o targets.
	(CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
	(OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
	(simple_generated_h, simple_generated_c): Move earlier.
	(generated_files): New variable.
	(TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
	TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
	BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
	ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
	REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
	CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
	CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
	INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
	PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
	TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
	DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
	VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
	(.c.o): Remove.
	(COMPILE.base, COMPILE): New variables.
	(%.o): New pattern rule.
	(ALL_HOST_OBJS): New variable.
	(xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
	(dummy-checksum.o, cc1-checksum.o): Remove.
	(DRIVER_SHLIB): New variable.
	(DRIVER_DEFINES): Use it.
	(gencondmd.c): Move out of build/.
	(s-conditions): Update.
	(BUILDCOMPILE.base, BUILDCOMPILE): New variables.
	(ALL_BUILD_OBJS): Likewise.
	(build/%.o): Use BUILDCOMPILE.
	(build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
	build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
	build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
	build/gencheck.o, build/gencodes.o, build/genconditions.o,
	build/genconfig.o, build/genconstants.o, build/genemit.o,
	build/genextract.o, build/genflags.o, build/genmddeps.o,
	build/genopinit.o, build/genoutput.o, build/genpeep.o,
	build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
	build/gen-protos.o, build/scan.o, build/fix-header.o,
	build/scan-decls.o): Simplify.
	(collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
	cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
	prefix.o, toplev.o): Reduce to variable setting.
	(libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
	($(out_object_file), gcc-options.o): New targets.
	($(ALL_HOST_OBJS)): New target.  Include dependency files.
	* configure: Rebuilt.
	* configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
	* doc/sourcebuild.texi (Front End Directory): Document new variable.

2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>

	* c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
	complain when we hit an error, return ERROR_MARK_NODE.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (Pso, Psz): New constraints.
	* config/sh/sh.c (print_operand): Add %V and %W operand codes.
	* config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
	* config/sh/sh.md (xorsi3_movrt, movrt): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.md (prefetch): Add condition for SH2A target.
	(prefetch_sh2a): New.	

2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (I28): New constraint.
	* config/sh/sh.c (broken_move): Add support for movi20s.
	* config/sh/sh.md (movsi_ie): Add the alternative for movi20s.

2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
	    Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (SH_ATTRIBUTES): Define.
	(SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
	(print_operand): Handle resbank in %@ operand code.
	(sh_encode_section_info): New.
	(push_regs): Add conditions for resbank.
	(sh_expand_epilogue): Likewise.
	(sh_insert_attributes): Likewise.
	(sh_attribute_table): Likewise.
	(sh_handle_resbank_handler_attribute): New.
	(sh2a_handle_function_vector_handler_attribute): New.
	(sh2a_is_function_vector_call): New.
	(sh2a_get_function_vector_number): New.
	(sh2a_function_vector_p): New.
	(sh_cfun_resbank_handler_p): New.
	* config/sh/sh.md (calli): Emit jsr/n if possible.
	(calli_tbr_rel): New.
	(calli_pcrel): Emit jsr/n if possible.
	(return_i): Emit rts/n if possible.
	(call_valuei_tbr_rel): New.
	(call_valuei_pcrel): Add condition for SH2A target.
	(call_value): Likewise.
	* config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
	(sh2a_get_function_vector_number): Likewise.
	(sh2a_is_function_vector_call): Likewise.
	* doc/extend.texi: Document TBR relative addressing of SH2A.
	(resbank): Add description for SH2A.

2008-03-24  Richard Guenther  <rguenther@suse.de>

	PR c/22371
	* gimplify.c (gimplify_modify_expr): For frontend type-correct
	pointer assignments change conversions according to middle-end rules.
	(gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
	* configure.ac: Include type checking in yes.
	* configure: Regenerate.

2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* diagnostic.c (diagnostic_count_diagnostic): Delete.
	(diagnostic_report_diagnostic): Update. Handle ICEs here.
	
2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>

	* gthr-vxworks.h (UNUSED): Define.

2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.

2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>

	* doc/extend.texi (Function Attributes): Add missing comma in the
	example of the "alloc_size" attribute.
	
2008-03-23  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

	2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

	2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-22  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_expr): Recurse again for invariant addresses.
	For PHI nodes verify the address is invariant.
	* tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
	(get_symbol_constant_value): Use is_gimple_min_invariant.
	(maybe_fold_stmt_indirect): Likewise.

2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/33927
	* Makefile.in (dse.o): Depend on $(TM_P_H).
	* expr.h (extract_low_bits): Declare.
	* expmed.c (extract_low_bits): New function.
	* rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
	* dse.c: Include tm_p.h.
	(find_shift_sequence): Remove the read_reg argument and return the
	read value.  Emit the instructions instead of returning them.
	Iterate on new_mode rather than calculating it each time.
	Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
	source to NEW_MODE and extract_low_bits to convert the shifted
	value to READ_MODE.
	(replace_read): Allow the load and store to have different mode
	classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
	or extraction instructions before trying the replacement.  Update
	dump-file code accordingly, avoiding use of REGNO (store_info->rhs).

2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/27946
	* config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
	encouraging but not allowing gprs for input;
	change the input constraint to !f#r.
	(fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
	gprs for output;
	change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/13958
	* config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
	corresponding post-reload splitters.
	("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
	when x87 FP math is selected.
	* config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
	New function prototype.
	* config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
	unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

	* tree-data-ref.c (dump_data_dependence_relation): Avoid data
	reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
	unsigned extension into account.
	(ATOMIC_COMPARE_AND_SWAP): Likewise.
	(ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
	Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
	Use is_gimple_min_invariant instead of TREE_INVARIANT.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
	* tree-ssa-dom.c (record_equality): Likewise.
	* tree-inline.c (copy_body_r): Likewise.
	* tree-ssa-pre.c (make_values_for_stmt): Remove test for
	TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (split_branches): Pass zero to	redirect_jump
	as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
	special casing of constant qualifiers.
	* tree-ssa.c (useless_type_conversion_p_1): Instead do not
	care about them in general.
	* tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
	regardless of their type.
	(fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

	* config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
	* config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
	linker flags.
	* config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
	definition.
	(LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
	* config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

	* common.opt (Wmudflap): New option.
	* tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
	(mx_register_decls): Likewise.
	(mudflap_finish_file): Likewise.
	* doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

	* c-format.c (replace_format_name_to_system_name): New.
	(cmp_attribs): New.
	(convert_format_name_to_system_name): New.
	(decode_format_attr): Add use of convert_format_name_to_system_name.
	(format_types_orig): Add gnu_ prefix to names.
	(check_format_info_main): Special treating of \0 escaped names for
	supporting multi-character format specifiers as I32, I64.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
	(gnu_target_overrides_format_attributes): New.
	* c-format.h: Add structure target_ovr_attr to hold
	system specific formatter names.
	* config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
	msformat-c.o file to c_target_objs and cxx_target_objs.
	* config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
	(TARGET_N_FORMAT_TYPES): New.
	* config/i386/msformat-c.c: New.
	* config/i386/t-cygming: Add build rule for msformat-c.o.
	* doc/extend.texi: Add new format names gnu_* and ms_* and
	further details.
	* doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

	* doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
	optimizations turned on under -O3.
	(ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

	* regmove.c (try_auto_increment): Fix spelling error in comment.
	* final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/14552
	* config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
	allocator preferences for "y" and "r" class registers.
	("*mov<mode>_internal"): Ditto.
	("*movv2sf_internal_rex64"): Ditto.
	("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

	PR middle-end/35616
	* calls.c (expand_call): Check overlap of arguments with call
	address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

	PR other/35094
	* toplev.c (decode_d_option): Handle all CPP flags.
	* tree-vrp.c: Update tree_pass descriptors.
	* regrename.c: Update tree_pass descriptors.
	* fwprop.c: Update tree_pass descriptors.
	* doc/invoke.texi: Remove documentation of dropped -d? flags.
	* tree-into-ssa.c: Update tree_pass descriptors.
	* tree-dump.c: Update tree_pass descriptors.
	* tree-complex.c: Update tree_pass descriptors.
	* tree-dump.h: Update tree_pass descriptors.
	* see.c: Update tree_pass descriptors.
	* cgraphbuild.c: Update tree_pass descriptors.
	* tracer.c: Update tree_pass descriptors.
	* tree-loop-distribution.c: Update tree_pass descriptors.
	* cgraph.c: Update tree_pass descriptors.
	* postreload-gcse.c: Update tree_pass descriptors.
	* postreload.c: Update tree_pass descriptors.
	* tree-ssa-loop-ch.c: Update tree_pass descriptors.
	* tree-tailcall.c: Update tree_pass descriptors.
	* tree-pass.h (tree_opt_pass): Rename to ...
	(opt_pass) ... this one; add "type" field and remove letter field.
	(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
	(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
	all_lowering_passes): Update declaration.
	* ipa-cp.c: Update tree_pass descriptors.
	* final.c: Update tree_pass descriptors.
	* omp-low.c: Update tree_pass descriptors.
	* tree-ssa-dse.c: Update tree_pass descriptors.
	* ipa-reference.c: Update tree_pass descriptors.
	* tree-ssa-uncprop.c: Update tree_pass descriptors.
	* auto-inc-dec.c: Update tree_pass descriptors.
	* reorg.c: Update tree_pass descriptors.
	* cgraphunit.c: Update tree_pass descriptors.
	* tree-ssa-copyrename.c: Update tree_pass descriptors.
	* tree-ssa-ccp.c: Update tree_pass descriptors.
	* df-core.c: Update tree_pass descriptors.
	* mode-switching.c: Update tree_pass descriptors.
	* tree-nomudflap.c: Update tree_pass descriptors.
	* modulo-sched.c: Update tree_pass descriptors.
	* ipa-pure-const.c: Update tree_pass descriptors.
	* cse.c: Update tree_pass descriptors.
	* web.c: Update tree_pass descriptors.
	* tree-stdarg.c: Update tree_pass descriptors.
	* tree-ssa-math-opts.c: Update tree_pass descriptors.
	* tree-ssa-dom.c: Update tree_pass descriptors.
	* tree-nrv.c: Update tree_pass descriptors.
	* tree-ssa-alias.c: Update tree_pass descriptors.
	* loop-init.c: Update tree_pass descriptors.
	* gimple-low.c: Update tree_pass descriptors.
	* ipa-inline.c: Update tree_pass descriptors.
	* tree-ssa-sink.c: Update tree_pass descriptors.
	* global.c: Update tree_pass descriptors.
	* ifcvt.c: Update tree_pass descriptors.
	* jump.c: Update tree_pass descriptors.
	* predict.c: Update tree_pass descriptors.
	* tree-ssa-loop.c: Update tree_pass descriptors.
	* recog.c: Update tree_pass descriptors.
	* dse.c: Update tree_pass descriptors.
	* tree-ssa-ifcombine.c: Update tree_pass descriptors.
	* tree-eh.c: Update tree_pass descriptors.
	* regmove.c: Update tree_pass descriptors.
	* local-alloc.c
	* function.c: Update tree_pass descriptors.
	* tree-vectorizer.c: Update tree_pass descriptors.
	* gcse.c: Update tree_pass descriptors.
	* ipa-type-escape.c: Update tree_pass descriptors.
	* tree-if-conv.c: Update tree_pass descriptors.
	* init-regs.c: Update tree_pass descriptors.
	* ipa.c: Update tree_pass descriptors.
	* tree-ssa-phiopt.c: Update tree_pass descriptors.
	* rtl-factoring.c: Update tree_pass descriptors.
	* lower-subreg.c: Update tree_pass descriptors.
	* bt-load.c: Update tree_pass descriptors.
	* tree-dfa.c: Update tree_pass descriptors.
	* except.c: Update tree_pass descriptors.
	* emit-rtl.c: Update tree_pass descriptors.
	* cfgexpand.c: Update tree_pass descriptors.
	* tree-cfgcleanup.c: Update tree_pass descriptors.
	* cfgcleanup.c: Update tree_pass descriptors.
	* tree-ssa-pre.c: Update tree_pass descriptors.
	* tree-sra.c: Update tree_pass descriptors.
	* tree-mudflap.c: Update tree_pass descriptors.
	* tree-ssa-copy.c: Update tree_pass descriptors.
	* cfglayout.c: Update tree_pass descriptors.
	* tree-ssa-forwprop.c: Update tree_pass descriptors.
	* tree-ssa-dce.c: Update tree_pass descriptors.
	* tree-ssa.c: Update tree_pass descriptors.
	* regclass.c: Update tree_pass descriptors.
	* integrate.c: Update tree_pass descriptors.
	* tree-optimize.c: Update tree_pass descriptors.
	* tree-ssa-phiprop.c: Update tree_pass descriptors.
	* tree-object-size.c: Update tree_pass descriptors.
	* combine.c: Update tree_pass descriptors.
	* tree-outof-ssa.c: Update tree_pass descriptors.
	* bb-reorder.c: Update tree_pass descriptors.
	* stack-ptr-mod.c: Update tree_pass descriptors.
	* var-tracking.c: Update tree_pass descriptors.
	* tree-profile.c: Update tree_pass descriptors.
	* tree-vect-generic.c: Update tree_pass descriptors.
	* reg-stack.c: Update tree_pass descriptors.
	* sched-rgn.c: Update tree_pass descriptors.
	* tree-ssa-structalias.c: Update tree_pass descriptors.
	* tree-cfg.c: Update tree_pass descriptors.
	* passes.c (current_pass): Update declaration.
	(finish_optimization_passes): Update.
	(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
	(register_one_dump_file, register_dump_files_1, next_pass_1):
 	Update arguments.
	(init_optimization_passes): Update handling of new types.
	(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
	* ipa-struct-reorg.c: Update tree_pass descriptors.
	* tree-ssa-reassoc.c: Update tree_pass descriptors.
	* combine-stack-adj.c: Update tree_pass descriptors.
	* cfgrtl.c: Update tree_pass descriptors.
	* dce.c: Update tree_pass descriptors.
	* tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35609
	* tree-ssa.c (walk_data): New structure.
	(warn_uninitialized_var): If not always_executed warn with "maybe"
	instead of "is".
	(execute_early_warn_uninitialized): Compute post-dominators.
	Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

	PR target/35504
	* config/i386/i386.c (x86_this_parameter): Calculate correct location
	of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
	is true.
	(expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
	(expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
	is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
	target after ignore has been set, and move there also the commputation
	of subtarget and original_target.
	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
	(LANG_HOOKS_INITIALIZER): Remove it.
	* langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
	found an expression with constants, note that in the VN for the lhs.
	* tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
	fold them to constants if possible.  Run cleanup_cfg if done so.
	(execute_pre): Return todo.
	(do_pre): Likewise.
	(execute_fre): Likewise.
	* tree-ssa-forwprop.c (can_propagate_from): Allow propagation
	of constants.
	(get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

	* tree-pretty-print.c: Include predict.h.
	(dump_generic_node): Dump predictor.
	* tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
	* tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
	them.
	(build_predict_expr, build_predict_expr): New.
	* predict.h (predictor_name, build_predict_expr): Update.
	* c-typeck.c (c_finish_bc_stmt): Add prediction.
	* gimplify.c (gimplify_expr): Add PREDICT_EXPR.
	* predict.def (PRED_CONTINUE): Update hitrate.
	* tree.def (PREDICT_EXPR): Define.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
	do not handle BIND_EXPR.
	* tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
	* tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
	* tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
	operands.

2008-03-18  Michael Matz  <matz@suse.de>

	* gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-gimple.h (is_gimple_invariant_address): Declare.
	(is_gimple_constant): Likewise.
	* tree-gimple.c (is_gimple_constant): New function.
	(is_gimple_invariant_address): Likewise.
	(is_gimple_min_invariant): Implement in terms of is_gimple_constant
	and is_gimple_invariant_address.
	* tree-ssa-loop-niter.c (expand_simple_operations): Revert
	previous change.
	* tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
	an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35611
	* gimplify.c (gimplify_expr): Gimplify second operand of
	OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/19637
	* fold-const.c (fold_unary): Remove restrictions of removing
	intermediate pointer-conversions (P2)(P1)P0.
	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
	conversion to void pointer.
	(get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

	PR debug/31510
	* dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
	emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35607
	* tree-ssa-loop-niter.c (expand_simple_operations): Do not
	expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Alignment): Say that the ABI controls
	the __alignof__ for non-strict-alignment targets rather
	than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
	annotations.
	(arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
	extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold): Also read from constant values
	and fold constant aggregate refs.
	(fold_const_aggregate_ref): Handle string constants
	and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
	(evaluate_stmt): Simplify now that ccp_fold folds constant
	aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
	(extzv): Use gen_extzv_t2.
	(insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (get_symbol_constant_value): Export.
	(fold_const_aggregate_ref): Likewise.
	(get_value): Return NULL if we don't have any values.
	(ccp_finalize): Set const_val to NULL after freeing it.
	* tree-flow.h (get_symbol_constant_value): Declare.
	(fold_const_aggregate_ref): Likewise.
	* tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35593
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
	to not produce negative array indices if not allowed.  Add
	parameter to indicate that.
	(maybe_fold_offset_to_component_ref): Allow negative array
	indices only for the first member of a structure.
	(maybe_fold_offset_to_reference): Allow negative array indices.
	(maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
	    Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_arch_types): Add avr6 entry.
	(avr_arch): Add ARCH_AVR6.
	(avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 	(initial_elimination_offset): Initialize and use 'avr_pc_size' 
	instead of fixed value 2.
	(print_operand_address): Use gs() asm specifier instead of pm().
	(avr_assemble_integer): (Ditto.).
	(avr_output_addr_vec_elt): (Ditto.).
	(print_operand): Handle "!" code.
	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
	__AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
	(AVR_HAVE_EIJMP_EICALL): Define.
	(AVR_3_BYTE_PC): Redefine.
	(AVR_2_BYTE_PC): (Ditto.).
	(PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
	(LINK_SPEC): Add atmega2560 and atmega2561.
	(CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
	(crtm2561.o).
	* config/avr/avr.md (call_insn): Use eicall instead of icall 
	for 3 byte PC devices.
	(call_value_insn): (Ditto.).
	(*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
	(indirect_jump): Use only for for 2 byte PC devices.
	(*tablejump): (Ditto.).
	(*indirect_jump_avr6): Add insn.
	(*tablejump_rjmp): Don't use for 3 byte PC devices.
	* config/avr/libgcc.S (__prologue_saves__): Use eijmp 
	instead of ijmp for 3 byte PC devices.
	(__tablejump2__): (Ditto.).
	* config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
	(MULITLIB_DIRNAMES): (Ditto.). 
	(MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
	"sse2_umulsidi3".  Use V1DI mode for operand 0.
	("mmx_psadbw"): Use V1DI mode for operand 0.
	* config/i386/i386-modes.def (V1SI): New vector mode.
	* config/i386/i386.c (struct builtin_description)
	[IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
	(v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
	(v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
	(ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
	v1di_ftype_v8qi_v8qi type.
	[__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
	__builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35595
	* tree-ssa-pre.c (bitmap_find_leader): Handle expression
	being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>
	
	* doc/invoke.texi (Option Summary, Xtensa Options): Document
	-mserialize-volatile and -mno-serialize-volatile Xtensa options.
	* config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
	unless TARGET_SERIALIZE_VOLATILE is enabled.
	* config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
	* config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
	* config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34172
	* tree-flow.h (refs_may_alias_p): Declare.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-dfa.c (refs_may_alias_p): New function.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
	(vn_reference_lookup_1): New helper function.
	(vn_reference_lookup): Walk the virtual use-def chain to
	continue searching for a match if the def does not alias the
	reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

	* doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
	archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34043
	PR tree-optimization/33989
	* tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
	when doing FRE.
	(bitmap_find_leader): Use extra argument to verify dominance
	relationship inside a basic-block.
	(can_PRE_operation): Add VIEW_CONVERT_EXPR.
	(find_leader_in_sets): Adjust.
	(create_component_ref_by_pieces): Take extra argument for
	dominance check, handle lookup failures.
	(find_or_generate_expression): Likewise.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Adjust.
	(create_value_expr_from): If asked for, verify all operands
	are in the blocks AVAIL_OUT set.
	(make_values_for_stmt): Check for SSA_NAMEs that are life
	over an abnormal edge.
	(compute_avail): Remove such check.
	(do_SCCVN_insertion): New function.
	(eliminate): If we do not find a leader suitable for replacement
	insert a replacement expression from SCCVN if available.
	* tree-ssa-sccvn.h (run_scc_vn): Update prototype.
	(struct vn_ssa_aux): Add needs_insertion flag.
	* tree-ssa-sccvn.c (may_insert): New global flag.
	(copy_reference_ops_from_ref): Value-number union member access
	based on its size, not type and member if insertion is allowed.
	(visit_reference_op_load): For a weak match from union type
	punning lookup a view-converted value and insert a SSA_NAME
	for that value if that is not found.
	(visit_use): Make dumps shorter.  Do not disallow value numbering
	SSA_NAMEs that are life over an abnormal edge to constants.
	(free_scc_vn): Release inserted SSA_NAMEs.
	(run_scc_vn): New flag to specify whether insertion is allowed.
	Process SSA_NAMEs in forward order.
	* tree-ssa-loop-im.c (for_each_index): Handle invariant
	ADDR_EXPRs inside VIEW_CONVERT_EXPR.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
	pointer type to/from integral types that do not change the
	precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
	__builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
	input arguments and the mode of return value.  Built-in functions
	that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>

	PR tree-optimization/35041
	* ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
	to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34000
	PR target/35553
	* config/i386/xmmintrin.h:  Change all static inline functions to
	extern inline and add __gnu_inline__ attribute.
	* config/i386/bmintrin.h: Ditto.
	* config/i386/smmintrin.h: Ditto.
	* config/i386/tmmintrin.h: Ditto.
	* config/i386/mmintrin-common.h: Ditto.
	* config/i386/ammintrin.h: Ditto.
	* config/i386/emmintrin.h: Ditto.
	* config/i386/pmmintrin.h: Ditto.
	* config/i386/mmintrin.h: Ditto.
	* config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35185
	* omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
	(lower_omp_2): New function.
	(lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

	PR 35054
	* doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
	with the phrase "Microsoft Windows compilers".
	(Push/Pop Macro Pragmas): New subsection. Document
	#pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
	(thumb2_alusi3_short): Exclude PLUS and MINUS.
	(thumb2_addsi_shortim): Rename ...
	(thumb2_addsi_short): ... to this.  Allow register operands.
	(thumb2_subsi_short): New pattern.
	(thumb2_one_cmplsi2_short,
	thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (int_cond): New code iterator.
	(fp_cond): Ditto.
	("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
	sge, sgeu, sle and sleu expanders usign int_cond code iterator.
	("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
	sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
	("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
	bge, bgeu, ble and bleu expanders usign int_cond code iterator.
	("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
	bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
	instead of {arm,thumb}_compute_save_reg_mask.
	(output_return_instruction): Ditto.
	(thumb_unexpanded_epilogue): Ditto.
	(thumb1_expand_prologue): Ditto.
	(thumb1_output_function_prologue): Ditto.
	(arm_set_return_address): Ditto.
	(thumb_set_return_address): Ditto.
	(arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
	regs to achieve stack alignment.
	(thumb1_compute_save_reg_mask): Fix compiler warning.
	(arm_output_epilogue): Use offsets->saved_regs_mask.
	Adjust stack pointer by poping call clobered registers.
	(arm_expand_prologue): Use offsets->saved_regs_mask.
	Adjust stack pointer by pushing extra registers.
	* config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-opt/35422
	* fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
	conversion to the operands of a multiplication.

2008-03-12  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
	(tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
	* timevar.def (TV_TREE_PHIPROP): Add.
	* tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
	pass description.  Use TV_TREE_PHIPROP.
	* tree-ssa-forwprop.c: Remove phiprop code.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35549
	* omp-low.c (maybe_lookup_decl): Constify first argument.
	(use_pointer_for_field): Change last argument from bool to
	omp_context *.  Disallow shared copy-in/out in nested
	parallel if decl is shared in outer parallel too.
	(build_outer_var_ref, scan_sharing_clauses,
	lower_rec_input_clauses, lower_copyprivate_clauses,
	lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
	    Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (free_stmt_vec_info): New function.
	(destroy_loop_vec_info): Move code to free_stmt_vec_info().
	Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
	* tree-vectorizer.h (free_stmt_vec_info): Declare.
	* tree-vect-transform.c (vectorizable_conversion): Free
	vec_oprnds0 if it was allocated.
	(vect_permute_store_chain): Remove unused VECs.
	(vectorizable_store): Free VECs that are allocated in the..
	function.
	(vect_transform_strided_load, vectorizable_load): Likewise.
	(vect_remove_stores): Simplify the code.
	(vect_transform_loop): Move code to vect_remove_stores().
	Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
	TARGET_HPUX.  Revise comment.
	(TARGET_LONG_PIC_PCREL_CALL): Revise comment.
	* pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
	Use sr4 variant of `be' instruction when not generating PIC code.
	(attr_length_call): Adjust for above change.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* ipa-reference.c (static_execute): Remove module_statics_const and
	associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35540
	* config/i386/i386.md (paritysi2, paritydi2): Use register_operand
	predicate for operand 1.
	(paritysi2_cmp): Use register_operand predicate for operand 2.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.
	(paritydi2_cmp): Use register_operand predicate for operand 3.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
	    Vladimir Prus  <vladimir@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
	(arm_compute_save_reg0_reg12_mask): Always
	check if register 11 must be saved.  Always safe hard frame pointer
	when frame_pointer_needeed.
	(arm_compute_save_reg_mask): Save IP and PC
	only with apcs frames.
	(arm_output_epilogue): Adjust Thumb2 codepath to
	be also invoked and work for ARM non-apcs frames.
	(arm_expand_prologue): Don't bother saving IP
	for non-apcs frame, since it's not clobbered by
	prologue code.  Implement non-apcs frame
	layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* expr.c (convert_move): Use a new pseudo for the intermediate
	from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
	* langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
	* toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35526
	* expr.c (store_expr): Call emit_block_move if the mode
	of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/31358
	* tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
	the step with a NULL_TREE.
	* tree-ssa-loop-ivopts.c (find_bivs): Convert the step
	to sizetype if type is a pointer type.
	(add_candidate_1): Don't convert the base and step to
	the generic type if the orginal type is a pointer type.
	(add_iv_value_candidates): Use sizetype for the step
	if type is a pointer type.
	(cand_value_at): Likewise.
	* tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
	for pointer types.
	* tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
	Don't convert the tem affine to the type.
	(add_elt_to_tree): Use sizetype for the step if a pointer.
	Use POINTER_PLUS_EXPR for pointers.
	(aff_combination_to_tree): Use sizetype for the step if a
	pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

	* config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
	Remove commutativity hint.

2008-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/35438
	PR c/35439
	* c-parser.c (c_parser_omp_threadprivate): Don't add vars with
	errorneous type.  Check that v is a VAR_DECL.

	PR middle-end/35099
	* tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/35494
	* tree-ssa-ccp.c (get_symbol_constant_value): Check if value
	may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34677
	* tree-ssa-pre.c (modify_expr_node_pool): Remove.
	(poolify_tree): Likewise.
	(modify_expr_template): Likewise.
	(poolify_modify_stmt): Likewise.
	(insert_fake_stores): Handle all component-ref style stores
	in addition to INDIRECT_REF.  Also handle complex types.
	Do not poolify the inserted load.
	(realify_fake_stores): Do not rebuild the tree but only
	make it a SSA_NAME copy.
	(init_pre): Remove initialzation of modify_expr_template.
	Do not allocate modify_expr_node_pool.
	(fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
	to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
	    Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/cortex-r4.md: New.
	* config/arm/thumb2.md (divsi3, udivsi3): Annotate with
	insn attributes.
	* config/arm/arm.md: Include cortex-r4.md.
	(insn): Add smmls, sdiv and udiv values.
	(generic_sched): Don't use generic scheduling for Cortex-R4.
	(arm_issue_rate): New function.
	(TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Simplify.
	(compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
	Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* c.opt (Wsynth): Deprecate.
	* doc/invoke.texi (Option Summary, Warning Options): Document
	-Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* config/i386/i386.c (ix86_constant_alignment): Compute alignment using
	ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

	* config/rs6000/rs6000.c (builtin_description): Rename vector
	left shift operations.
	* config/rs6000/altivec.md (UNSPEC_VSL): Remove.
	(altivec_vsl<VI_char>): Rename to ...
	(ashl<mode>3): ... new name.
	(mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
	gen_ashlv4si3.
	(absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* coverage.h (tree_coverage_counter_addr): Declare.
	* coverage.c (tree_coverage_counter_addr): New function.
	* tree-profile.c (tree_gen_edge_profiler): Unshare counter
	before using again.
	(tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
	(tree_gen_one_value_profiler): Likewise.
	(tree_gen_ic_profiler): Likewise.
	(tree_gen_average_profiler): Likewise.
	(tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
	(vn_binary_op_insert): Likewise.
	(vn_unary_op_lookup): Likewise.
	(vn_unary_op_insert): Likewise.
	(vn_nary_op_lookup): Declare.
	(vn_nary_op_insert): Likewise.
	* tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
	and binary hashes, use a single obstack for unary_op_pool
	and binary_op_pool.
	(struct vn_binary_op_s, struct vn_unary_op_s): Replace with
	a single struct vn_nary_op_s.  Store tree code length and
	a variable number of operands.
	(struct vn_reference_op_struct): Remove unused op2.
	(vn_reference_op_eq): Do not compare op2.
	(vn_reference_op_compute_hash): Do not compute hash of op2.
	(vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
	(vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
	with vn_nary_op_compute_hash.
	(vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
	(vn_unary_op_lookup, vn_binary_op_lookup): Replace with
	vn_nary_op_lookup.
	(vn_unary_op_insert, vn_binary_op_insert): Replace with
	vn_nary_op_insert.
	(visit_unary_op): Call nary functions.
	(visit_binary_op): Likewise.
	(process_scc): Adjust for struct vn_tables_s changes.
	(allocate_vn_table): Likewise.
	(free_vn_table): Likewise.
	* tree-vn.c (vn_add): Call nary functions.
	(vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/35498
	* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
	wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22152
	* config/i386/i386-modes.def (V1DI): New vector mode.
	* config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
	* config/i386/mmx.md (MMXMODEI8): New mode iterator.
	(MMXMODE248): Ditto.
	(MMXMODE): Add V1DI mode.
	(mmxvecsize): Change DI mode to V1DI mode.
	("mov<mode>): Use MMXMODEI8 mode iterator.
	("*mov<mode>_internal_rex64"): Ditto.
	("*mov<mode>_internal"): Ditto.
	("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
	("mmx_sub<mode>3"): Ditto.
	("mmx_adddi3"): Remove insn pattern.
	("mmx_subdi3"): Ditto.
	("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
	("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
	("mmx_ashl<mode>3"): Ditto.
	("mmx_lshrdi3"): Remove insn pattern.
	("mmx_ashldi3"): Ditto.
	* config/i386/i386.c (classify_argument): Handle V1DImode.
	(function_arg_advance_32): Ditto.
	(function_arg_32): Ditto.
	(struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
	mmx_addv1di3 insn pattern.
	[IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
	[IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
	IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
	IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
	Remove definitions of built-in functions.
	(V1DI_type_node): New node.
	(v1di_ftype_v1di_int): Ditto.
	(v1di_ftype_v1di_v1di): Ditto.
	(v2si_ftype_v2si_si): Ditto.
	(v4hi_ftype_v4hi_di): Remove node.
	(v2si_ftype_v2si_di): Ditto.
	(ix86_init_mmx_sse_builtins): Handle V1DImode.
	(__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
	Redefine builtins using def_builtin_const with *_ftype_*_int node.
	(__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
	Add new builtins using def_builtin_const.
	(ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
	IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
	IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
	* config/i386/mmintrin.h (__v1di): New typedef.
	(_mm_add_si64): Cast arguments to __v1di type.
	(_mm_sub_si64): Ditto.
	(_mm_sll_pi16): Cast __count to __v4hi type.
	(_mm_sll_pi32): Cast __count to __v2si type.
	(_mm_sll_si64): Cast arguments to __v1di type.
	(_mm_srl_pi16): Cast __count to __v4hi type.
	(_mm_srl_pi32): Cast __count to __v2si type.
	(_mm_srl_si64): Cast arguments to __v1di type.
	(_mm_sra_pi16): Cast __count to __v4hi type.
	(_mm_sra_pi32): Cast __count to __v2si type.
	(_mm_slli_pi16): Use __builtin_ia32_psllwi.
	(_mm_slli_pi32): Use __builtin_ia32_pslldi.
	(_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
	(_mm_srli_pi16): Use __builtin_ia32_psrlwi.
	(_mm_srli_pi32): Use __builtin_ia32_psrldi.
	(_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
	(_mm_srai_pi16): Use __builtin_ia32_psrawi.
	(_mm_srai_pi32): Use __builtin_ia32_psradi.
	* config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/35373
	* config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
	reg+const addressing for Altivec modes.  Don't generate reg+reg
	addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

	* c-common.c (vector_types_convertible_p): Call langhook
	instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/35402
	* tree-ssa-ccp.c (get_symbol_constant_value): Handle
	integral and scalar float variables which have a
	NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
	dwarf_register_span hook when emitting unwind information for
	register-to-memory saves.
	* config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
	(rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
	for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

	* treelang: Delete.
	* doc/standards.texi (Standards): Don't mention treelang.
	* doc/invoke.texi (Overall Options): Don't mention treelang.
	* doc/install.texi (Prerequisites): Don't mention bison or
	treelang.
	(Configuration): Don't mention treelang.
	(Building): Likewise.
	* doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

	* simplify-rtx.c (simplify_subreg): Remove useless shifts from
	word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* tree.def (BIT_FIELD_REF): Constrain result type and its precision.
	* tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
	result type and precision.
	* expr.c (get_inner_reference): Set unsignedp based on the result
	type of BIT_FIELD_REF.
	* tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
	* tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
	(try_instantiate_multiple_fields): Likewise.  Use the correct type
	for BIT_FIELD_REF.
	(sra_build_assignment): Likewise.
	(sra_build_elt_assignment): Likewise.
	(sra_explode_bitfield_assignment): Likewise.
	* print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
	set BIT_FIELD_REF_UNSIGNED.
	(vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (cse_extended_basic_block): Invalidate artificial defs
	at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* alias.c (struct alias_set_entry): Move has_zero_child field
	to pack with alias_set.

2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

	* alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* fwprop.c (update_df): Support width and offset parameters of
	df_ref_create.
	* ra-conflict.c (mark_reg_store, clear_reg_in_live,
	global_conflicts): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df-scan.c (df_ref_record, df_defs_record,
	df_ref_create_structure, df_def_record_1, df_uses_record,
	df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
	df_bb_refs_collect, df_entry_block_defs_collect,
	df_exit_block_uses_collect): Support new width and offset fields.
	(ref_extract_pool): New storage pool.
	(df_free_ref): New function.
	(df_reg_chain_unlink, df_free_collection_rec,
	df_sort_and_compress_refs): Call df_free_ref.
	(df_ref_equal_p, df_ref_compare): Compare offset and width fields
	of df_ref_extract.
	(df_ref_create_structure): Allocate df_ref_extract if offset and
	width fields are used.
	(df_def_record_1): Get offset and width from ZERO_EXTRACT.
	(df_uses_record): Get offset and width from ZERO_EXTRACT 
	and SIGN_EXTRACT.
	* global.c (build_insn_chain): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df.h (df_ref_flags): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	(df_ref_extract): New structure.
	(DF_REF_WIDTH, DF_REF_OFFSET): New macros.
	(df_ref_create): Add width and offset parameters.
	
2008-03-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Use ranges_overlap_p.
	(offset_overlaps_with_access): Rename
	to ranges_overlap_p and move ...
	* tree-flow-inline.h (ranges_overlap_p): ... here.

	* tree.h (get_inner_reference, handled_component_p): Update
	comments.

	* tree.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): Move declarations ...
	* alias.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): ... here.
	Include coretypes.h.
	* Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

	* cfg.c: Include tree-flow.h.
	(remove_edge_raw): Call redirect_edge_var_map_clear.
	(redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
	* tree-flow-inline.h (redirect_edge_var_map_def): New.
	(redirect_edge_var_map_result): New.
	* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
	PENDING_STMT use with redirect_edge_var_map_*.
	* tree-ssa.c (edge_var_maps): New definition.
	(redirect_edge_var_map_add): New.
	(redirect_edge_var_map_clear): New.
	(redirect_edge_var_map_dup): New.
	(redirect_edge_var_map_vector): New.
	(redirect_edge_var_map_destroy): New.
	(ssa_redirect_edge): Replace PENDING_STMT use with
	redirect_edge_var_map_*.
	(flush_pending_stmts): Same.
	(delete_tree_ssa): Destroy edge var map.
	* tree-flow.h (struct _edge_var_map): New.
	Define edge_var_map vector type.
	Declare redirect_edge_var_map_* prototypes.
	* Makefile.in (cfg.o): Depend on TREE_FLOW_H.
	* tree-cfg.c (reinstall_phi_args): Replace
	PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35472
	* tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
	whose single use_stmt has a overlapping set of loaded and
	stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

	* gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR c++/35336
	* tree.def (BIT_FIELD_REF): Document that operands 1 and 2
	should be constants.
	* tree-cfg.c (verify_expr): Verify it.
	* fold-const.c (fold_truthop): Remove code generating
	BIT_FIELD_REFs of structure bases.
	(fold_binary): Likewise.
	(fold_ternary): Position and size of BIT_FIELD_REFs are
	always host integers.
	(make_bit_field_ref): Remove.
	(optimize_bit_field_compare): Remove.
	(all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

	PR gcc/33009
	* rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
	(split_block_and_df_analyze): New. Split basic block and rebuild
	dataflow.
	(block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
	SPLIT_BLOCK.
	(split_pattern_seq): Likewise.
	(erase_matching_seqs): Likewise.
	(split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

	* fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
	declaration and code.
	(tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

	* doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
	examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/35222
	* configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
	on hpux10.
	* configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_simple_nonnegative_warnv_p): New.
	(tree_unary_nonnegative_warnv_p): New.
	(tree_binary_nonnegative_warnv_p): New.
	(tree_single_nonnegative_warnv_p): New.
	(tree_invalid_nonnegative_warnv_p): New.
	(tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* opts.c (handle_option): Postpone 'unknown option' errors only for
	warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35453
	* config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
	(_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_unary_nonzero_warnv_p): New.
	(tree_binary_nonzero_warnv_p): New.
	(tree_single_nonzero_warnv_p): New.
	(tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35456
	* fold-const.c (fold_cond_expr_with_comparison): Prevent
	transformations for modes that have signed zeros.
	* ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.c (override_options): Force
	-maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
	in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
	label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* gthr-win32.h [__GTHREAD_HIDE_WIN32API]
	(__gthr_win32_mutex_destroy): Declare.
	[__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
	__gthr_win32_mutex_destroy.
	* config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
	aggressive on inlining cold calls.

2008-03-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
	struct copies into the expression table.
	(simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
	(try_to_simplify): Likewise.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
	integral and pointer arguments which do not change the
	precision to NOP_EXPRs.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
	VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
	defined in a loop at depth 0 is invariant.
	* tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
	be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR driver/35420
	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 24924
	* c-common.c (flag_permissive): Delete.
	(constant_expression_warnings): Check flags first.
	(constant_expression_error): New.
	* c-common.h (flag_permissive): Delete.
	(constant_expression_error): Declare.
	* flags.h (flag_permissive): Declare. Update description.
	* diagnostic.c (pedwarn): Update.
	(permerror): New.
	* diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
	(permissive_error_kind): New.
	* toplev.c (flag_permissive): Define. Update description.
	* toplev.h (permissive_error_kind): Declare.
	* c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
	(pedwarn_c90): Use pedantic_warning_kind.
	* c-opts.c (c_common_post_options): flag_permissive does not affect
	flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

	* libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
	__subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
	__absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
	    Richard Guenther  <rguenther@suse.de>

	* struct-equiv.c: Remove file.
	* cfg_cleanup.c (condjump_equiv_p): Remove.
	* Makefile.in (OBJS-common): Remove struct-equiv.o.
	(struct-equiv.o): Remove rule.
	* basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
	insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
	rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* ifcvt.c (noce_process_if_block): Try to handle only the then
	block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
	regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr.h: Add __gthread_mutex_destroy as a function that must be
	implemented.
	* gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
	* gthr-single.h (__gthread_mutex_destroy): Likewise.
	* gthr-rtems.h (__gthread_mutex_destroy): Likewise.
	* gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
	* gthr-nks.h (__gthread_mutex_destroy): Likewise.
	* gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
	* gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
	(__gthread_mutex_destroy_function): Rename to
	__gthread_mutex_destroy.
	* gthr-dce.h (__gthread_mutex_destroy): Call
	pthread_mutex_destroy.
	* gthr-tpf.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* df-scan.c (df_ref_chain_change_bb): Simplify.
	(df_insn_change_bb): Add new_bb argument.  Simplify.  Call
	set_block_for_insn if there's any change.
	* df.h ((df_insn_change_bb): Fix prototype.
	* cfgrtl.c (update_bb_for_insn_chain): Pass bb to
	df_insn_change_bb, don't call set_block_for_insn.
	* emit-rtl.c (reorder_insns): Likewise.
	* haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* tree-flow-inline.h (next_readonly_imm_use): Return
	NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35411
	* tree-sra.c (sra_build_assignment): Split conversion to
	final type to a separate statement if we are not assigning
	to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* fold-const.c (fold_convertible_p): Correct the logic to follow
	that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/35315
	* tree-inline.c (build_duplicate_type): When we make a
	duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

	* toplev.c (input_file_stack, input_file_stack_tick, fs_p,
	input_file_stack_history, input_file_stack_restored): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	* input.h (struct file_stack): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	(input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
	Likewise.
	* diagnostic.h (struct diagnostic_context) <last_module>: Change
	type.
	(diagnostic_last_module_changed): Add 'map' argument.
	(diagnostic_set_last_function): Likewise.
	* diagnostic.c (undiagnostic_report_current_module): Iterate using
	line map, not input_file_stack.
	* c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
	vn_lookup_or_add.
	* tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
	value for comparing for a store match.
	(simplify_unary_expression): Do nothing for SSA_NAMEs.
	(try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_scalar_mode_supported_p): New function.
	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.

	* config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-loop-linear.c (try_interchange_loops): Compare memory access
	strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_secondary_reload): Handle loading a float
	constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

	* simplify-rtx.c (simplify_unary_operation_1): Extend the handling
	of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
	is smaller than the original promoted value.
	(simplify_subreg): If OP is a SUBREG, try to preserve its
	SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
	(VN_INFO_GET): Allocate new objects on the obstack.
	(init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
	for rpo_numbers_temp, for consistency.
	(free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi: Document -ftree-loop-distribution.
	* tree-loop-distribution.c: New.
	* tree-pass.h (pass_loop_distribution): New.
	* graphds.h (struct graph): Add htab_t indices.
	* timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
	* tree-vectorizer.c (rename_variables_in_loop): Extern.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
	* tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
	* tree-data-ref.c (debug_data_dependence_relations): New.
	(dump_data_dependence_relation): Also print data references.
	(free_data_ref): Extern.
	(same_access_functions): Moved...
	(find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
	struct rdg_vertex_info, rdg_vertex_for_stmt): New.
	(create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
	(stmts_from_loop): Skip LABEL_EXPR.
	(hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
	New.
	(build_rdg): Initialize rdg->indices htab.
	(free_rdg, stores_from_loop, ref_base_address,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
	have_similar_memory_accesses_1, ref_base_address_1,
	remove_similar_memory_refs): New.
	* tree-data-ref.h: Depend on tree-chrec.h.
	(debug_data_dependence_relations, free_data_ref): Declared.
	(same_access_functions): ... here.
	(ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
	New.
	(struct rdg_vertex): Add has_mem_write and has_mem_reads.
	(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
	RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
	rdg_vertex_for_stmt): Declared.
	(struct rdg_edge): Add level.
	(RDGE_LEVEL): New.
	(free_rdg, stores_from_loop, remove_similar_memory_refs,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
	Declared.
	(rdg_has_similar_memory_accesses): New.
	* tree-vect-analyze.c: Remove unused static decls.
	* lambda.h (dependence_level): New.
	* common.opt (ftree-loop-distribution): New.
	* tree-flow.h (mark_virtual_ops_in_bb, 
	slpeel_tree_duplicate_loop_to_edge_cfg,
	rename_variables_in_loop): Declared.
	* Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
	(OBJS-common): Add tree-loop-distribution.o.
	(tree-loop-distribution.o): New rule.
	* tree-cfg.c (mark_virtual_ops_in_bb): New.
	(mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
	* passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

	PR target/33963
	* tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
	other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

	PR target/34409
	* config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
	* config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
	* config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/25477
	* config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
	(BUILT_IN_NEXTTOWARD): Remove.
	(BUILT_IN_NEXTTOWARDF): Ditto.
	* config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
	alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

	* tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
	DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

	* c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
	update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

	PR rtl-optimization/34999
	* bb-reorder.c (add_labels_and_missing_jumps): Do not handle
	crossing edges that ends with a call insn.
	(fix_up_fall_thru_edges): Handle crossing edges that ends with a
	call insn and clear the EDGE_CROSSING flag of the crossing edge
	when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35390
	* fold-const.c (fold_unary): Return the correct argument,
	converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34971
	* expr.c (expand_expr_real_1): Assert on rotates that operate
	on partial modes.
	* fold-const.c (fold_binary): Use the types precision, not the
	bitsize of the mode if folding rotate expressions.  Build rotates
	only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

	* c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
	and CPP_PRAGMA_EOL.
	* c-pragma.c (pragma_ns_name): New typedef.
	(registered_pp_pragmas): New variable.
	(c_pp_lookup_pragma): New function.
	(c_register_pragma_1): If flag_preprocess_only, do nothing
	for non-expanded pragmas, for expanded ones push pragma's
	namespace and name into registered_pp_pragmas vector.
	(c_invoke_pragma_handler): Register OpenMP pragmas even when
	flag_preprocess_only, don't register GCC pch_preprocess
	pragma if flag_preprocess_only.
	* c-opts.c (c_common_init): Call init_pragma even if
	flag_preprocess_only.
	* c-pragma.c (c_pp_lookup_pragma): New prototype.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
	cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/28800
	* c-parser.c (c_parser_translation_unit): Warn for empty
	translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
	operand for Thumb-2.
	* config/arm/arm.h (reg_class): Add CORE_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
	(BASE_REG_CLASS): Use CORE_REGS.
	(PREFERRED_RELOAD_CLASS): Add STACK_REG.
	(REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
	(REGNO_OK_FOR_INDEX_P): Exclude SP.
	(ARM_REG_OK_FOR_INDEX_P): Always define.  Use
	ARM_REGNO_OK_FOR_INDEX_P.
	(ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
	* config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
	arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
	(ldm/stm peepholes): Ditto.
	* config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
	* config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
	* config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
	* config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.c: Annotate cache line size field in all
	instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

	* dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
	dse2, gcse, if_conversion, if_after_combine, if_after_reload,
	jump_bypass): New counters.
	* cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
	* dce.c (gate_ud_dce): Same.
	(gate_fast_dce): Same.
	* dse.c (gate_dse1): New function.
	(gate_dse2): New function.
	(gate_dse): Merge results of new gate functions.
	* gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
	(gate_handle_jump_bypass): Add dbg_cnt.
	(gate_handle_gcse): Add dbg_cnt.
	* ifcvt.c (gate_handle_if_conversion): Same.
	(gate_handle_if_after_combine): Same.
	(gate_handle_if_after_reload): Same.
	* Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

	* config/rs6000/rs6000.c (processor_costs): Update e300 cache
	line sizes.
	* doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

	PR c++/35315
	* attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
	alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

	* system.h (USE_MAPPED_LOCATION): Poison.
	* Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
	* tree-cfg.c (make_cond_expr_edges): Remove old location code.
	(make_goto_expr_edges): Likewise.
	(remove_bb): Likewise.
	(execute_warn_function_return): Likewise.
	* basic-block.h (struct edge_def) <goto_locus>: Change type to
	location_t.
	* c-common.c (fname_decl): Remove old location code.
	* tree-vect-transform.c (vect_finish_stmt_generation): Remove old
	location code.
	* rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
	variant.
	(ASM_INPUT_SOURCE_LOCATION): Likewise.
	(gen_rtx_ASM_INPUT): Likewise.
	(gen_rtx_ASM_INPUT_loc): Likewise.
	(get_rtx_asm_OPERANDS): Remove.
	* cfglayout.c (insn_locators_alloc): Remove old location code.
	(set_curr_insn_source_location): Likewise.
	(curr_insn_locator): Likewise.
	* print-tree.c (print_node): Remove old location code.
	* tree-mudflap.c (mf_varname_tree): Remove old location code.
	(mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
	* cfgexpand.c (expand_gimple_cond_expr): Don't use
	location_from_locus.
	(construct_exit_block): Remove old location code.
	* emit-rtl.c (force_next_line_note): Remove old location code.
	* profile.c (branch_prob): Remove old location code.
	* tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
	LOC_LINE): Remove old-location variants.
	* langhooks.c (lhd_print_error_function): Remove old location
	code.
	* configure, config.in: Rebuilt.
	* configure.ac (--enable-mapped-location): Remove.
	* c-decl.c (c_init_decl_processing): Remove old location code.
	(finish_function): Likewise.
	* recog.c (decode_asm_operands): Remove old location code.
	* c-pch.c (c_common_read_pch): Remove old location code.
	* rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
	variants.
	* gimple-low.c (lower_function_body): Remove old location code.
	* toplev.c (unknown_location): Remove.
	(push_srcloc): Remove old-location variant.
	(process_options): Remove old location code.
	(lang_dependent_init): Likewise.
	* input.h (UNKNOWN_LOCATION): Move definition.
	(location_t): Undeprecate.
	(source_locus): Remove.
	(location_from_locus): Remove.
	(struct location_s): Remove.
	Remove all old-location code.
	(input_line, input_filename): Remove.
	* final.c (final_scan_insn): Remove old location code.
	* diagnostic.c (diagnostic_build_prefix): Remove
	USE_MAPPED_LOCATION test.
	* tree.h (gimple_stmt) <locus>: Now a location_t.
	(tree_exp) <locus>: Likewise.
	(DECL_IS_BUILTIN): Remove old-location variant.
	(annotate_with_file_line, annotate_with_locus): Likewise.
	(expr_locus, set_expr_locus): Update.
	* tree.c (build1_stat): Remove old location code.
	(last_annotated_node): Remove.
	(annotate_with_file_line): Remove old-location variant.
	(annotate_with_locus): Likewise.
	(expr_location): Remove old location code.
	(set_expr_location): Likewise.
	(expr_has_location): Likewise.
	(expr_locus): Likewise.
	(set_expr_locus): Likewise.
	(expr_filename): Don't use location_from_locus.
	(expr_lineno): Likewise.
	* rtl-error.c (location_for_asm): Remove old location code.
	* c-lex.c (cb_line_change): Remove old location code.
	(fe_file_change): Likewise.
	(cb_def_pragma): Likewise.
	(c_lex_with_flags): Likewise.
	* gengtype.c (do_typedef): Don't special-case location types.
	(define_location_structures): Remove.
	(main): Don't call define_location_structures.
	* tree-pretty-print.c (dump_implicit_edges): Remove old location
	code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 26264
	* builtins.def (BUILT_IN_STDARG_START): Remove.
	* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
	* tree-stdarg.c (execute_optimize_stdarg): Likewise.
	* tree-inline.c (inline_forbidden_p_1): Likewise.
	
2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 34351
	* doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
	* c-opts.c (c_common_handle_option): Wall enables
	Wvolatile-register-var.
	* common.opt: Move Wvolatile-register-var to...
	* c.opt: ...here.
	
2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* common.opt (Wlarger-than=): New.
	* doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
	-Wlarger-than=.
	* opts.c (common_handle_option): Handle -Wlarger-than=.
	* optc-gen.awk: Likewise.
	* opth-gen.awk: Likewise.
	* stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	
2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

	* c-common.c (match_case_to_enum_1): Add appropriate
	OPT_W* parameter to warning.
	(c_do_switch_warnings): Likewise.
	* c-typeck.c (warning_init): Add one more parameter following
	'warning' function.
	(push_init_level): Update call to warning_init.
	(pop_init_level): Likewise.
	(add_pending_init): Likewise.
	(output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* toplev.c (toplev_main): If there are warnings or error, print
	errors for ignored options.
	* opts.c (ignored_options): New static variable.
	(postpone_unknown_option_error): New.
	(print_ignored_options): New.
	(handle_option): Postpone errors for unknown -Wno-* options.
	* opts.h (print_ignored_options): Declare.
	
2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (loadgp_blockage, blockage): Change type
	to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/29549
	* doc/invoke.texi (-fcx-limited-range): Document new option.
	* toplev.c (process_options): Handle -fcx-fortran-rules.
	* common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR c/35162
	* doc/invoke.texi (-fcx-limited-range): Correct to be in line with
	actual behaviour and C99.
	
2008-02-26  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
	(ASM_CPU_POWER6_SPEC): Likewise.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
	Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
	(EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR target/35258
	* cse.c (cse_insn): Avoid creation of overlapping MEMs.
	* alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
	* alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

	* Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
	* config/i386/netware-libgcc.exp: Add __bswap?i2,
	__emultls_get_address, __emultls_register_common,
	__floatundi?f, and _Unwind_GetIPInfo.
	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
	Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
	(gen_regparm_prefix): Likewise.
	(i386_nlm_encode_section_info): Sync with
	config/i386/winnt.c:i386_pe_encode_section_info().
	(i386_nlm_maybe_mangle_decl_assembler_name): New.
	i386_nlm_mangle_decl_assembler_name): New.
	(netware_override_options): New.
	* config/i386/netware.h (netware_override_options): Declare.
	(OVERRIDE_OPTIONS): Re-define to netware_override_options.
	(i386_nlm_mangle_decl_assembler_name): Declare.
	(TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

	PR other/32948
	* c-decl.c (grokdeclarator): Remove unused local variables
	`typedef_type' and `type_as_written'.
	* bb-reorder.c
	(find_rarely_executed_basic_blocks_and_crossing_edges): Remove
	unused local variable `has_hot_blocks'.
	(fix_crossing_conditional_branches): Remove unused local variable
	`prev_bb'.
	
2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/19984
	* builtins.def (BUILT_IN_NAN): Define as c99 builtin
	using DEF_C99_BUILTIN.
	(BUILT_IN_NANF): Ditto.
	(BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	* modulo-sched.c (calculate_must_precede_follow): Address TODO
	regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (layout_decl): Do not bump the alignment of a
	bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (processor_costs): Add cache costs for
	e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.
	* c.opt (Wtype-limits): Move ...
	* common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

	* config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
	* config/rs6000/e300c2c3.md: New file.
	* config/rs6000/rs6000.c (processor_costs): Add new costs for
	e300c2 and e300c3.
	(rs6000_override_options): Add e300c2 and e300c3 cases to
	processor_target_table. Do not allow usage of Altivec or Spe
	with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
	(rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
	* config/rs6000/rs6000.h (processor_type): Add
	PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
	(ASM_CPU_SPEC): Add e300c2 and e300c3.
	* config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
	and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
	instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

	* explow.c (memory_address): Assert that the generated address is
	valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR target/25477
	* config/darwin-protos.h: Add darwin_patch_builtins prototype.
	* config/darwin-ppc-ldouble-patch.def: New file.
	* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Call
	SUBTARGET_INIT_BUILTINS if defined.
	* config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
	New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR rtl-opt/33512
	* simplify-rtx.c (simplify_binary_operation_1): Add simplification
	of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR pch/35027
	* c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
	file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

	* expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22076
	PR target/34256	
	* config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
	prevent reload from using MMX registers.
	(*mov<mode>_internal): Ditto.
	(*movv2sf_internal_rex64): Ditto.
	(*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/31569
	* doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
	ensure that we can address an entire entity > 8 bytes.  Don't
	generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
	strings when optimizing for size, unless the target cares about
	alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

	* regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

	* config/avr/libgcc.S (__RAMPZ__): Define.
	(__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
	Use spe_abi.
	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
	GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/19999
	* c-typeck.c (build_binary_op): Warn about floating point
	comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

	PR target/34526
	* config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
	(rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
	add vrsave.
	(rs6000_override_options): Set altivec_abi as default, not override,
	for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
	TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
	is used; use new member spe_abi.
	(rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
	spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

	* tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35273
	* config.build (build_file_translate): Set to `CMD //c' only if
	it works.
	* Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

	* predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
	PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
	PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

	PR target/35264
	* config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
	movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
	as insn constraint.
	* config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
	from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
	sse4a_movntdf using MODEF mode iterator.
	(sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
	sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
	(sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
	(sse4_1_dpp<ssemodesuffixf2c>): Ditto.
	(sse4_1_roundp<ssemodesuffixf2c>): Ditto.
	(sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

	* tree.def (PAREN_EXPR): New tree code.
	* fold-const.c (fold_unary): Remove PAREN_EXPR around constants
	and PAREN_EXPR.
	* tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* tree-complex.c (expand_complex_move): Likewise.
	* tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
	as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35225
	* config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35190
	* config/sh/sh.md (jump_compact): Disable for crossing jumps.

	* config/sh/sh.c (find_barrier): Don't go past
	NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

	* config/h8300/h8300.md (insv): Force source operand to be a register.

	* config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
	as a jump, not as a plain insn.
	
2008-02-20  Seongbae Park <seongbae.park@gmail.com>

	* doc/invoke.texi (Warning Options): Add new option
	-Wframe-larger-than=.
	(-Wframe-larger-than): Document.

	* flags.h (warn_frame_larger_than, frame_larger_than_size):
	Add declarations for new option variables.

	* final.c (final_start_function): Check the frame size
	before emission and issue a Wframe-larger-than warning.

	* opts.c (warn_frame_larger_than, frame_larger_than_size):
	Add definitions for new option variables.
	(common_handle_option): Handle new option OPT_Wframe_larger_than_.

	* common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
	(<sse>_div<mode>3): Ditto.
	(<sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(*smax<mode>3): Ditto.
	(sse5_frcz<mode>2): Ditto.
	(sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
	as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35265
	* builtins.c (validate_arg): If we want an INTEGER_TYPE,
	be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (split_tree): Associate floatig-point expressions
	if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* tree.h (fold_real_zero_addition_p): Declare.
	* fold-const.c (fold_real_zero_addition_p): Export.
	* tree-ssa-reassoc.c (eliminate_using_constants): Also handle
	floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

	* doc/install.texi: Correct references to CFLAGS, replacing them
	with BOOT_CFLAGS.  Document flags used during bootstrap for
	target libraries.
				
2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
	* config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
	and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
	insn constraint.
	(smin<mode>3): Ditto from similar patterns.
	(smax<mode>3): Ditto.
	(*ieee_smin<mode>3): Ditto.
	(*ieee_smax<mode>3): Ditto.
	* config/i386/sse.md (sse): New mode attribute.
	(mov<mode>): Macroize expander from movv4sf and movv2df using
	SSEMODEF2P mode iterator.
	(<sse>_movnt<mode>): Ditto from similar patterns. Use
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(storent<mode>): Ditto.
	(storent<mode>): Macroize expander from storentsf and storentdf using
	MODEF mode iterator.
	(neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
	mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
	(abs<mode>2): Ditto from similar patterns.
	(add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
	(sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
	(<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
	(<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
	(smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
	(<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
	(<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
	sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
	mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
	insn constraint.
	(<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(<sse>_ucomi): Ditto from similar patterns.
	(<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
	sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(vcond<mode>): Ditto from similar patterns.
	(and<mode>3, *and<mode>3): Ditto.
	(<sse>_nand<mode>3): Ditto.
	(ior<mode>3, *ior<mode>3): Ditto.
	(xor<mode>3, *xor<mode>3): Ditto.
	(*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(*nand<mode>3): Ditto from similar patterns.
	(*ior<mode>3): Ditto.
	(*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

	* config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
	vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
	vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (tree_bb_level_predictions): Remove variable next
	mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (predict_paths_leading_to): Rewrite.
	(predict_paths_for_bb): New.
	(tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35218
	* Makefile.in (build_file_translate): New.
	(gcc-vers.texi): Use it for translating $(abs_srcdir).
	* config.build (build_file_translate): Set to `CMD //c' on MinGW.
	* configure.ac (build_file_translate): Substitute it.
	* configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/34408
	* see.c (see_def_extension_not_merged): Copy subreg so we don't have
	invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR middle-end/28779
	* tree-inline.c (estimate_num_insns_1): Fix counting of cost of
	call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR Ada/35186
	* config/i386/i386-modes.def: Revert the last DI alignment
	change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	* opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/35239
	* config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
	32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34989
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
	Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c-common.c (warn_for_collisions_1): Use appropriate option when
	warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	PR other/31349
	* opts.c (undocumented_msg): Leave blank unless checking is enabled.
	(handle_options): Fix indentation.
	(print_filtered_help): If no language-specific options were
	displayed tell the user how to list all the options supported by
	the language's front-end.
	(print_specific_help): Fix indentation and remove duplicate line.
	(common_handle_option): Handle the -v option.
	For --help enable the display of undocumented options if the -v
	switch has been included on the command line.
	For --help= check for overlaps in the arguments between the option
	classes and the language names and issue a warning when they
	cannot be disambiguated.
	* c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com> 

	* modulo-sched.c (sms_schedule): Change dump message when
	create_ddg function fails.
	(try_scheduling_node_in_cycle): Rename row to cycle.
	(print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
	    Zdenek Dvorak  <ook@ucw.cz>

	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/33555
	* config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
	(*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.
	* config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

	Support valgrind 3.3 for --enable-checking=valgrind.
	* system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
	here.
	[!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
	[!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
	[!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
	* ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
	Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
	VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
	VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
	respectively.
	* ggc-zone.c: Similar.
	* ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

	PR target/35071
	* config/arm/ieee754-df.S: Fix do_it typo.
	* config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35189
	* config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
	(OPTION_MASK_ISA_3DNOW_SET): Likewise.
	(OPTION_MASK_ISA_SSE_SET): Likewise.
	(OPTION_MASK_ISA_SSE2_SET): Likewise.
	(OPTION_MASK_ISA_SSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_SET): Likewise.
	(OPTION_MASK_ISA_SSE4A_SET): Likewise.
	(OPTION_MASK_ISA_SSE5_SET): Likewise.
	(OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
	(OPTION_MASK_ISA_MMX_UNSET): Updated.
	(OPTION_MASK_ISA_3DNOW_UNSET): Updated.
	(OPTION_MASK_ISA_SSE_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE5_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4): Removed.
	(ix86_handle_option): Turn on bits in ix86_isa_flags and
	ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
	(override_options): Don't turn on implied SSE/MMX bits in
	ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

	PR middle-end/34921
	* tree-nested.c (insert_field_into_struct): Set type alignment
	to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
	* doc/cfg.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/tm.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35227
	* tree-complex.c (init_parameter_lattice_values): Handle parameters
	without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35231
	* tree-vrp.c (register_edge_assert_for): Do not assume A == 0
	if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-02-15  Uros Bizjak  <ubizjak@gmail.com>	
	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/28368
	* doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
	multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use `@.' where appropriate.
	* doc/extend.texi: Likewise.
	* doc/install.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35196
	* omp-low.c (expand_omp_for_generic): Don't initialize fd->v
	in entry_bb.
	(expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
	rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35130
	* tree-nested.c (convert_call_expr): Put FRAME.* vars into
	OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/35164
	* tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
	* tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Only propagate addresses which do not have abnormal SSA_NAMEs
	in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

	PR target/35088
	* config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

	PR middle-end/35149
	* ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/34621
	* function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
	when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
	(WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
	* config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
	and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

	PR preprocessor/35061
	* c-pragma.c (handle_pragma_pop_macro): Check that
	pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
	(force_gimple_operand): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
	for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
	Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
	(find_interesting_uses_address): Check addressability and alignment
	of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

	PR target/34930
	* function.c (instantiate_virtual_regs_in_insn): Reload address
	before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_mainpool_start): Emit the pool
	before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/bugreport.texi: Update copyright years.
	* doc/c-tree.texi: Likewise.
	* doc/cfg.texi: Likewise.
	* doc/cpp.texi: Likewise.
	* doc/cppinternals.texi: Likewise.
	* doc/fragments.texi: Likewise.
	* doc/frontends.texi: Likewise.
	* doc/gcc.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/hostconfig.texi: Likewise.
	* doc/implement-c.texi: Likewise.
	* doc/libgcc.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/options.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/trouble.texi: Likewise.

	* doc/extend.texi: Use @: or add comma where appropriate.
	* doc/invoke.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

	PR target/34393
	* config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
	to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

	* doc/md.texi (clz, ctz): Add reference.
	* doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/35148
	* Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
	srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (struct constant_pool): New field
	emit_pool_after added.
	(s390_mainpool_start): Set the emit_pool_after flag according
	to the section switch notes.
	(s390_mainpool_finish): Consider emit_pool_after when emitting
	the literal pool at the end of the function.
	(s390_chunkify_start): Force literal pool splits at section
	switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

	PR debug/35065
	* var-tracking.c (clobber_variable_part): Correctly traverse the
	list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 29673
	* doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
	Add -fdump-ipa-inline.
	* tree-dump.c (dump_files): Remove tree-inlined dump.
	* tree-pass.h (tree_dump_index): Remove TDI_inlined.
	
2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35171
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
	default defs.

2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35163
	* fold-const.c (fold_widened_comparison): Use get_unwidened in
	value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Move SSA renaming
	code from here to...
	(force_gimple_operand): ...here.

2008-02-12  Jakub Jelinek  <jakub@redhat.com>

	PR c++/35144
	* tree-sra.c (sra_build_assignment): fold_convert SRC if copying
	non-compatible pointers.
	(generate_element_copy): If SRC and DST are RECORD_TYPEs with
	different FIELD_DECLs, try harder by comparing field offsets, sizes
	and types.

	PR inline-asm/35160
	* function.c (match_asm_constraints_1): Don't replace the same input
	multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
	* config/avr/avr.c (expand_prologue): Save RAMPZ register.
	(expand_epilogue): Restore RAMPZ register.
	* config/avr/avr.md (RAMPZ_ADDR): New constant.

2008-02-11  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygwin.asm: (__alloca): Correct calling
	convention and alignment.
	(__chkstk): Force 8 byte stack alignment.

2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/33992
	* tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
	the zero we compare against.

2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

	PR libfortran/35063
	* gthr-win32.h (__gthread_mutex_destroy_function): New function
	to CloseHandle after unlocking to prevent accumulation of handle
	count.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle_end/34150
	* pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
	pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
	and update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR middle-end/34627
	* combine.c (simplify_if_then_else): Make sure the comparison is
	against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR bootstrap/35051
	* double-int.h: Don't include gmp.h for GENERATOR_FILEs.
	(mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
	* real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
	(real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
	* tree.h (get_type_static_bounds): Likewise.

2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Option Summary, C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	Make -Wfoo language annotations match what the compiler outputs.

2008-02-08  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
	intrinsics spu_convts, spu_convtu, spu_convtf.

2008-02-08  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Function Attributes) <noinline>: Mention
	asm ("") as method to keep calls.

2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR other/32754
	* doc/options.texi (Options): Replace references to opts.sh with
	optc-gen.awk.
	* opts-common.c: Likewise.
	* optc-gen.awk: Likewise.
	
2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.

2008-02-07  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/33410
	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
	EXPR_LIST for the REG_EQUAL instead of a comparison with a 
	funny mode.

2008-02-07  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/35085
	* tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
	for operand entry oe2 in addition to operand entry oe3 in order to
	expose more opportunities for vectorizer sum reduction.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35107
	* Makefile.in (LIBS): Remove $(GMPLIBS).
	(cc1-dummy, cc1): Add $(GMPLIBS).

2008-02-06  Jan Hubicka  <jh@suse.cz>

	PR target/23322
	* i386.md (moddf_integer): Do not produce partial memory stalls for
	targets where it hurts.

2008-02-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* optabs.c (expand_float): Do not check for decimal modes when
	expanding unsigned integer through signed conversion.

2008-02-06  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
	inside the clobber with a match_operand and duplicated operand
	number in the constraint.
	(ineqbranchsi): Delete redundant comment.

2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
	builtin_define ("__USE_INIT_FINI__").
	* config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
	-msx multilibs.
	* gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.

2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/30330
	* doc/invoke.texi (C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	For each warning option -Wfoo that allows -Wno-foo, ensure both
	-Wfoo and -Wno-foo are listed in the option index.  Fix index
	entry of -Wswitch-default, index -Wnormalized= including the
	`=', and -Wlarger-than-@var{len} including @var{len}.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (floatunssisf2): Use
	ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
	(floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
	Macroize expander using MODEF mode iterator.

2008-02-05  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.

2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35070
	* toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.

2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35084
	* config/i386/i386.c (ix86_function_sseregparm): Add an arg
	to indicate if a message should be generated.
	(init_cumulative_args): Updated.
	(function_value_32): Likewise.

2008-02-05  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-02-04.16.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
	Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.

2008-02-04  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33631
	* expr.c (count_type_elements): Give for unions instead of
	guessing.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35043
	* gimplify.c (gimplify_init_ctor_eval): Convert array indices
	to TYPE_DOMAINs base type instead of using bitsizetype here.

2008-02-03  Jason Merrill  <jason@redhat.com>

	* print-tree.c (print_node) [CONSTRUCTOR]: Print elements.

2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/29972
	* doc/invoke.texi (C++ Dialect Options, Optimize Options)
	(HPPA Options, i386 and x86-64 Options, IA-64 Options)
	(RS/6000 and PowerPC Options): Fix typos and markup.
	* doc/passes.texi (Tree-SSA passes): Likewise.

2008-02-02  Michael Matz  <matz@suse.de>

	PR target/35045
	* postreload-gcse.c (record_last_reg_set_info_regno): Renamed
	from record_last_reg_set_info.
	(record_last_reg_set_info): Take an RTX argument, iterate over all
	constituent hardregs.
	(record_last_set_info, record_opr_changes): Change calls to
	new signature or to record_last_reg_set_info_regno.

2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (X86 Built-in Functions): Fix grammar.

2008-02-01  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/34773
	* reg-notes.def (EQUAL): Mention significance of combination of
	REG_EQUAL and REG_RETVAL.
	* fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
	insn that has a REG_RETVAL.

2008-02-01  Roger Sayle  <roger@eyesopen.com>

	PR bootstrap/33781
	* configure.ac (--enable-fixed-point): Disable unless explicitly
	requested on IRIX.
	* configure: Regenerate.

2008-02-01  Richard Guenther  <rguenther@suse.de>

	PR other/35042
	* invoke.texi (-finline-limit): Remove no longer true parts
	of the documentation.  Note that there is no default value.

2008-02-01  Andrew Pinski  <pinskia@gmail.com>
	    Mark Mitchell  <mark@codesourcery.com>
	    Ben Elliston  <bje@au.ibm.com>

	PR c/29326
	* doc/extend.texi (Other Builtins): Document.

2008-01-31  Tom Browder <tom.browder@gmail.com>

	* doc/c-tree.texi (Types): Fix grammar.
	(Expression trees): Ditto.
	* doc/passes.texi (Tree-SSA passes): Ditto.
	
	* doc/configterms.texi (Configure Terms): Fix typo.
	* doc/cpp.texi (Common Predefined Macros): Ditto.
	* doc/md.texi (Machine Constraints): Ditto.
	
	* doc/makefile.texi (Makefile): Add comma.

2008-01-31  Tom Browder  <tom.browder@gmail.com>
	    Gerald Pfeifer  <gerald@pfeifer.com>
	
	* doc/sourcebuild.texi (Front End): Remove references to CVS
	and CVSROOT/modules.
	(Texinfo Manuals): Replace reference to CVS by one to SVN.
	(Back End): Remove reference to CVS.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34900
	* config/mips/mips.c (gen_load_const_gp): New function, taking a
	comment from...
	(mips16_gp_pseudo_reg): ...here.
	* config/mips/mips.md (load_const_gp): Replace with...
	(load_const_gp_<mode>): ...this :P-based insn.

2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
	options. Minor fixes.
	(-std): Move reference to standards closer to where language
	standards are first mentioned.
	
2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34995
	* reload.c (alternative_allows_const_pool_ref): Take an rtx
	parameter and return a bool.  If the rtx parameter is nonnull,
	check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
	(find_reloads): Update call accordingly.  Pass the new operand
	if it needed no address reloads, otherwise pass null.

2008-01-30  Richard Henderson  <rth@redhat.com>

	PR c/34993
	* tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
	for unbounded arrays.

2008-01-30  Silvius Rus  <rus@google.com>

	* config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.

2008-01-30  Jan Hubicka  <jh@suse.cz>

	PR target/34982
	* i386.c (init_cumulative_args): Use real function declaration when
	calling locally.

2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34998
	* global.c (build_insn_chain): Treat non-subreg_lowpart
	SUBREGs of pseudos as clobbering all the words covered by the
	SUBREG, not just all the bytes.
	* ra-conflict.c (clear_reg_in_live): Likewise.  Take the
	original df_ref rather than an extract parameter.
	(global_conflicts): Update call accordingly.

2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
	the overflow check to make it easier to read.
	(__fixtfdi): Change the type of the ll member in union
	long_double to UDItype_x.

2008-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34969
	* cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
	* cgraph.c (cgraph_update_edges_for_call_stmt): New function.
	* tree-inline.c (fold_marked_statements): Call
	cgraph_update_edges_for_call_stmt if folding a call statement.
	* cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
	debug_generic_stmt calls, reset it back afterwards.

	PR c/35017
	* c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
	static decls.
	* c-typeck.c (build_external_ref): Don't pedwarn about
	static vars in current function's scope.

2008-01-29  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.

2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR c/35002
	* ipa-struct-reorg.c: Fix spelling.
	* params.def: Ditto.

2008-01-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35006
	* tree-inline.h (struct copy_body_data): Add remapping_type_depth
	field.
	* tree-inline.c (remap_type): Increment remapping_type_depth
	around remapping types.
	(copy_body_r): Only add referenced variables if they are referenced
	from code, not types.

2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/34055
	PR c++/34103
	PR c++/34219
	PR c++/34606
	PR c++/34753
	PR c++/34754
	PR c++/34755
	PR c++/34919
	PR c++/34961
	* c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
	qualifiers for an ERROR_MARK_NODE or a NULL_TREE.

2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>

	PR target/34412
	* config/avr/avr.c (expand_prologue): Use correct QI mode frame 
	pointer for tiny stack.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* config/vx-common.h: Fix typo in comment.

2008-01-28  Ian Lance Taylor  <iant@google.com>

	PR c++/34862
	PR c++/33407
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce pointers if they have different DECL_NO_TBAA_P values.
	* tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
	between variables with different DECL_NO_TBAA_P values.

2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>

	PR 31535
	* config/rs6000/rs6000.c (small_data_operand): Vectors and floats
	are not legitimate small data references on SPE targets.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (mips-*-*): Recommend binutils 2.18.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (--disable-libgcj-bc):  Reword documentation.

2008-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
	m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
	*-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
	*-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
	hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
	i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
	i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
	vax-*-bsd*, vax-*-ultrix*): Mark obsolete.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* basic-block.h (condjump_equiv_p): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-pretty-print.c (print_generic_decl, print_generic_stmt,
	print_generic_stmt_indented): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* configure.ac (__stack_chk_fail): Add detecion for availability
	of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
	* configure: Regenerate.

2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>

	PR middle-end/34688
	* final.c (output_addr_const): Handle TRUNCATE.

2008-01-26  Zdenek Dvorak  <ook@ucw.cz>

	PR target/34711
	* tree-ssa-loop-ivopts.c (comp_cost): New type.
	(zero_cost, infinite_cost): New constants.
	(struct cost_pair): Change type of cost to comp_cost.
	(struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
	(new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
	New functions.
	(set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
	split_address_cost, ptr_difference_cost, difference_cost,
	get_computation_cost_at, get_computation_cost,
	determine_use_iv_cost_generic, determine_use_iv_cost_address,
	determine_use_iv_cost_condition, determine_use_iv_costs,
	cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
	iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
	iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
	Change type of cost to comp_cost.
	(determine_iv_cost): Increase cost of non-original ivs, instead
	of decreasing the cost of original ones.
	(get_address_cost): Indicate the complexity of the addressing mode 
	in comp_cost.
	(try_add_cand_for): Prefer using ivs not specific to some object.
	* tree-flow.h (force_expr_to_var_cost): Declaration removed.

2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
	    Janis Johnson  <janis187@us.ibm.com>

	PR target/34814
	* doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	* target.h (expand_to_rtl_hook): New target hook.
	(instantiate_decls): Likewise.
	* function.c (instantiate_decl): Make non-static.  Rename to...
	(instantiate_decl_rtl): ... this.
	(instantiate_expr): Use instantiate_decl_rtl.
	(instantiate_decls_1): Likewise.
	(instantiate_decls): Likewise.
	(instantiate_virtual_regs: Call new instantiate_decls taget hook.
	* function.h (instantiate_decl_rtl): Add prototype.
	* cfgexpand.c (target.h): New include.
	(tree_expand_cfg): Call new expand_to_rtl_hook target hook.
	* target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(TARGET_INITIALIZER): New target hooks added.
	* config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
	New prototype.
	* config/rs6000/rs6000.c (tree-flow.h): New include.
	(machine_function): Add sdmode_stack_slot field.
	(rs6000_alloc_sdmode_stack_slot): New function.
	(rs6000_instantiate_decls): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_check_sdmode): Likewise.
	(TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(rs6000_hard_regno_mode_ok): Allow SDmode.
	(num_insns_constant): Likewise.  Handle _Decimal32 constants.
	(rs6000_emit_move): Handle SDmode.
	(function_arg_advance): Likewise.
	(function_arg): Likewise.
	(rs6000_gimplify_va_arg): Likewise.  Add special handling of
	SDmode var args for 32-bit compiles.
	(rs6000_secondary_reload_class): Handle SDmode.
	(rs6000_output_function_epilogue): Likewise.
	(rs6000_function_value): Simplify if statement.
	(rs6000_libcall_value): Likewise.
	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
	(SECONDARY_MEMORY_NEEDED_RTX): Add define.
	* config/rs6000/dfp.md (movsd): New define_expand and splitter.
	(movsd_hardfloat): New define_insn.
	(movsd_softfloat): Likewise.
	(movsd_store): Likewise.
	(movsd_load): Likewise.
	(extendsddd2): Likewise.
	(extendsdtd2): Likewise.
	(truncddsd2): Likewise.
	(movdd_hardfloat64): Fixup comment.
	(UNSPEC_MOVSD_LOAD): New constant.
	(UNSPEC_MOVSD_STORE): Likewise.

2008-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34965
	* c-pretty-print.c (pp_c_exclusive_or_expression): Handle
	TRUTH_XOR_EXPR.
	(pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
	(pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
	(pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
	and TRUTH_XOR_EXPR.

2008-01-26  David Edelsohn  <edelsohn@gnu.org>

	PR target/34794
	* config.gcc: Separate AIX 5.3 from AIX 6.1.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__LONGDOUBLE128 too.
	* config/rs6000/aix61.h: New file.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34959
	* optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
	popcount and parity rtxes the same mode as their operand.
	Truncate or extend the result to the return value's mode
	if necessary.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34981
	* config/mips/mips-protos.h (mips_expand_call): Return an rtx.
	* config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
	to GOT_VERSION_REGNUM.
	(CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
	(EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
	* config/mips/mips.c (mips_emit_call_insn): New function.
	(mips_call_tls_get_addr): Call mips_expand_call directly.
	(mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
	emit_call_insn.
	(mips16_build_call_stub): Likewise.  Return the call insn or null.
	(mips_expand_call): Update the call to mips16_build_call_stub
	accordingly and a remove redundant condition.  Assert that MIPS16
	stubs do not use lazy binding.  Use mips_emit_call_insn and return
	the call insn.
	(mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
	TARGET_USE_GOT.
	(mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
	(mips_avoid_hazard): Remove hazard_set handling.
	* config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
	(UNSPEC_RESTORE_GP): ...this.
	(UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
	(FAKE_CALL_REGNO): Rename to...
	(GOT_VERSION_REGNUM): ...this.
	(type): Add "ghost" value.  Add an associated insn reservation.
	(hazard_set): Remove.
	(exception_receiver): Rename to...
	(restore_gp): ...this and update the unspec identifier accordingly.
	(exception_receiver, nonlocal_got_receiver): New expanders.
	(load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
	FAKE_CALL_REGNO.  Remove hazard_set attribute.
	(set_got_version, update_got_version): New patterns.

2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

	PR target/34970
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	PR other/31955
	* doc/install.texi2html: Generate gcc-vers.texi.

2008-01-25  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	* config/c4x: Remove directory.
	* config.gcc (crx-*, mt-*): Mark obsolete.
	(c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
	h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
	sh-*-rtemscoff*): Remove cases.
	* defaults.h (C4X_FLOAT_FORMAT): Remove.
	* real.c (encode_c4x_single, decode_c4x_single,
	encode_c4x_extended, decode_c4x_extended, c4x_single_format,
	c4x_extended_format): Remove.
	* real.h (c4x_single_format, c4x_extended_format): Remove.
	* doc/extend.texi (interrupt, naked): Remove mention of attributes
	on C4x.
	(Pragmas): Remove comment about c4x pragmas.
	* doc/install.texi (c4x): Remove target-specific instructions.
	* doc/invoke.texi (TMS320C3x/C4x Options): Remove.
	* doc/md.texi (Machine Constraints): Remove C4x documentation.
	* doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
	refer to C4x source files as examples.
	(C4X_FLOAT_FORMAT): Remove documentation.

2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (override_options): Reorder tests so that
	flag_pic gets enabled for -msep-data.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32244
	* expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
	to its bitfield precision if required.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33880
	* tree-nested.c (walk_omp_for): New function.
	(convert_nonlocal_reference, convert_local_reference): Call
	walk_omp_for on OMP_FOR.
	(convert_call_expr): Call walk_body on OMP_FOR's
	OMP_FOR_PRE_INIT_BODY.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34966
	* tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
	default defs and PHI_NODEs we have to insert after the
	defining statement.

2008-01-24  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
	Provide a default definition.
	(LIBGCC2_UNITS_PER_WORD): Likewise.

	* config/stormy16/stormy16.c: Include df.h for the prototype
	for df_regs_ever_live_p.
	(xstormy16_expand_builtin_va_start): Convert the stack offset
	into a component_ref and then use POINTER_PLUS_EXPR to add it
	to the incoming_virtual_args_rtx.
	(xstormy16_gimplify_va_arg_expr): Rename to
	xstormy16_gimplify_va_arg_expr.
	Use POINTER_PLUS_EXPR when performing pointer arithmetic.
	(TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
	xstormy16_gimplify_va_arg_expr.
	Fix up some formatting issues.

	* config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
	Move to predicates.md.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.
	* config/stormy16/predicates.md:
	(xstormy16_carry_plus_operand): New predicate.
	(xs_hi_general_operand): New predicate.
	(xs_hi_nonmemory_operand): New predicate.
	* config/stormy16/stormy16-protos.h:
	(xstormy16_carry_plus_operand): Delete prototype.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.

	* config/storm16/stormy16.md (addhi3): Remove earlyclobber
	modifiers as they are no longer needed and they can trigger
	reload spill failures.

	* config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
	with a match_operand in order to help reload.

	* config/storm16/stormy16.md (movhi_internal): Replace 'r'
	constraint with 'e' for the 8th alternative as this version of
	the mov.w instruction only accepts the lower 8 registers.

2008-01-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
	Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
	vector elements.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33333
	* gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
	New functions.
	(remove_structure): Update allocations list before removing structure.
	
2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (is_safe_cond_expr, 
	create_new_stmts_for_cond_expr): Use integer_zerop function,
	that recognize not only zero-pointer, but zero-integer too.

2008-01-25  Ben Elliston  <bje@au.ibm.com>

	PR other/22232
	* fixproto: Escape "." in sed expression that strips leading "./".

2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/34904
	* gcc.c (SWITCH_OK): Removed.
	(SWITCH_LIVE): Changed to bit.
	(SWITCH_FALSE): Likewise.
	(SWITCH_IGNORE): Likewise.
	(switchstr): Change live_cond to unsigned int.
	(process_command): Replace SWITCH_OK with 0.
	(do_self_spec): Likewise.
	(set_collect_gcc_options): Check the SWITCH_IGNORE bit.
	(give_switch): Likewise.
	(used_arg): Likewise.
	(do_spec_1): Set the SWITCH_IGNORE bit.
	(check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
	bits.  Set the SWITCH_LIVE bit.

2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (MOVE_RATIO): Define new target macro.

2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR tree-optimization/34472
	* ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
	parameter to a "bool *" and set *DATA to false if there is
	an unsafe access.  Do not delete the structure here.
	(check_cond_exprs): Delete it here instead.
	(check_cond_exprs, exclude_cold_structs): Do not increase
	I when removing a structure.

2008-01-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* config/i386/i386.c (ix86_expand_vector_init): Consider only
	CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34934
	* tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
	a fixed vector for stack.

2008-01-24  Ben Elliston  <bje@au.ibm.com>

	PR c++/25701
	* doc/gcc.texi (Software development): Add a direntry for g++.
	
2008-01-23  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
	stale and straggling -fforce-addr comments above.

	* config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
	define.
	* config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
	* config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.

2008-01-23  Michael Matz  <matz@suse.de>

	PR debug/34895
	* dwarf2out.c (force_type_die): Use modified_type_die instead of
	gen_type_die.

2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>

	* ipa-struct-reorg.c (create_new_malloc): Use pointer type as
	malloc result type.

2008-01-23 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_current_arch): New variable.
	(avr_arch_types): Add 'avr31' and 'avr51' entries.
	(avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
	(avr_mcu_types): Add 'avr31' and 'avr51' architectures.
	(avr_override_options): Init 'avr_current_arch'. 
	(base_arch_s): Move from here...
	* config/avr/avr.h (base_arch_s): ... here. Add new members 
	'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
	'mega' to 'have_jmp_call'.
	(TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
	"__AVR_HAVE_RAMPZ__", 	"__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
	macros.
	(LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
	architectures.
	* config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
	MULTILIB_MATCHES): (Ditto.).

2008-01-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31529
	* cgraphunit.c (cgraph_reset_node): Always mark the node
	not reachable if it is not queued already.

2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
	* config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
	(cputype_selected): New static variable.
	(bfin_handle_option): Set it if -mcpu is used.
	(override_option): Select default set of workarounds if no cpu type
	selected on the command line.
	(workaround_rts_anomaly): Only run if ENABLE_WA_RETS.

	From  Michael Frysinger  <michael.frysinger@analog.com>
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
	BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.

	* config/bfin/elf.h (LIB_SPEC): Use proper linker script
	for bf547, bf523, bf524, and bf526.
	* config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
	bf526.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
	__ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
	__ADSPBF547__ and __ADSPBF54x__ for bf547.
	* doc/invoke.texi (Blackfin Options): Document that
	-mcpu now accept bf547, bf523, bf524, and bf526.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/34628
	* combine.c (try_combine): Stop and undo after the first combination
	if an autoincrement side-effect on the first insn has effectively
	been lost.

2008-01-22  David Edelsohn  <edelsohn@gnu.org>

	PR target/34529
	* config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
	Offset addresses are not valid for Altivec or paired float modes.

2008-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34607
	* c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
	if DECL_INITIAL (decl) is error_mark_node.

	PR c++/34914
	* c-common.c (handle_vector_size_attribute): Only allow
	integral, scalar float and fixed point types.  Handle OFFSET_TYPE
	the same way as pointer, array etc. types.
	* tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.

	PR c++/34917
	* tree.c (build_type_attribute_qual_variant): Call
	build_qualified_type if attributes are equal, but quals are not.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 32102
	* doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
	* flags.h (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* opts.c (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* c-opts.c (c_common_handle_option): -Wall only sets
	-Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
	(c_common_post_options): Give default values to -Wstrict-aliasing
	and -Wstrict-overflow if they are uninitialized.
	* common.opt (Wstrict-aliasing): Specify Var and Init.
	(Wstrict-overflow): Likewise.

2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	PR rtl-optimization/34884
	* ddg.c (create_ddg_dep_from_intra_loop_link): Use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
	(df_rd_bb_info.expanded_lr_out): Deleted
	* loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
	(df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Removed code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make more
	understandable.
	(df_rd_confluence_n): Removed code to no apply invalidate_by_call
	sets if the sets are being trimmed.

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/32287
	* configure.ac (ld_vers): Support GNU linker version xx.xx.*
	(as_vers): Likewise.
	* configure: Regenerated.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/33092
	* tree-pass.h (pass_build_alias): New pass.
	* tree-ssa-alias.c (gate_build_alias): New.
	(pass_build_alias): New.
	* passes.c (init_optimization_passes): Add pass_build_alias after
	pass_create_structure_vars.

2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
	Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
	* config/s390/s390.md (FP_ALL): New mode iterator.
	(_d): New mode attribute.
	("*signbit<mode>2>"): Changed mode of first operand.
	("isinf<mode>2"): Changed mode of first operand.
	("*TDC_insn"): Adaptation for DFP modes.

2008-01-22  Ben Elliston  <bje@au.ibm.com>

	* tree.c (check_qualified_type): Improve function description.

2008-01-21  Jason Merrill  <jason@redhat.com>

	PR c++/34196
	* tree.h (TRY_CATCH_IS_CLEANUP): New macro.
	* tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
	if it is set.

2008-01-21  DJ Delorie  <dj@redhat.com>

	* doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
	return zero.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34856
	* tree-cfg.c (verify_expr): Allow all invariant expressions
	instead of just constant class ones as reference argument.
	* tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
	like any other constant.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.

2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	* regmove.c (fixup_match_1): Update call crossed frequencies.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR c/34885
	* tree-inline.c (setup_one_parameter): Deal with mismatched
	types using a VIEW_CONVERT_EXPR.

2008-01-21  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>
	
	PR tree-optimization/34701
	* ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
	when the structure size is not a power of 2.

2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/install.texi: Add doc for --enable-checking=df.
	
2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/34808
	* emit-rtl.c (try_split): Handle REG_RETVAL notes.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	* global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
	input.

2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
	(df_rd_bb_info.expanded_lr_out): New.
	* loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.
	* df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Added code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make
	more understandable.
	(df_rd_confluence_n): Add code to do nothing with fake edges and
	code to no apply invalidate_by_call sets if the sets are being trimmed.
	(df_lr_local_finalize): Renamed to df_lr_finalize.
	(df_live_local_finalize): Renamed to df_live_finalize.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34831
	* config/mips/mips.md (div<mode>3): Use <recip_condition> when
	deciding whether to use reciprocal instructions.

2008-01-19  Uros Bizjak  <ubizjak@gmail.com>

	* dwarf2out.c (dwarf2out_switch_text_section): Do not call
	dwarf2out_note_section_used if cold_text_section is NULL.

2008-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34610
	* tree-cfg.c (make_edges): Mark both outgoing edges from
	OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
	* omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
	from OMP_FOR and OMP_CONTINUE outgoing edges.

	* tree-profile.c (tree_profiling): Return early if
	cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
	at the end.
	* omp-low.c (expand_omp_parallel): Copy after_tree_profile
	from cfun to child_cfun.
	* function.h (struct function): Add after_tree_profile bit.

2008-01-19 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.S (_exit): Disable interrupt.

2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
	    Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* df-problems.c (df_live_scratch): New scratch bitmap.
	(df_live_alloc): Allocate df_live_scratch when doing df_live.
	(df_live_reset): Clear the proper bitmaps.
	(df_live_bb_local_compute): Only process the artificial defs once
	since the order is not important.
	(df_live_init): Init the df_live sets only with the variables
	found live by df_lr.
	(df_live_transfer_function): Use the df_lr sets to prune the
	df_live sets as they are being computed.  
	(df_live_free): Free df_live_scratch.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	* common.opt: Add fmerge-debug-strings.
	* dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
	flag_merge_debug_strings rather than flag_merge_constants.
	* doc/invoke.texi (Option Summary): Mention
	-fmerge-debug-strings.
	(Debugging Options): Document -fmerge-debug-strings.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	PR c++/33407
	* tree.h (DECL_IS_OPERATOR_NEW): Define.
	(struct tree_function_decl): Add new field operator_new_flag.
	* tree-inline.c (expand_call_inline): When inlining a call to
	operator new, force the return value to go into a variable, and
	set DECL_NO_TBAA_P on that variable.
	* c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.

2008-01-18  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34484
	* dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
	DWARF2_DEBUGGING_INFO.
	(dwarf2out_note_section_used): Ditto.  Add prototype.
	(have_multiple_function_sections, text_section_used,
	cold_text_section_used, *cold_text_sections): Move declarations
	before their uses.

2008-01-17  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
	field and add signal_ra.
	* config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
	assignments to frame state pc.  Move end of stack check after
	MD_FALLBACK_FRAME_STATE_FOR.
	(uw_update_context_1): Use frame state signal_regs if set, instead
	of checking signal_frame flag.
	(uw_update_context): Use frame state signal_ra if set.
	* config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
	* config/xtensa/linux-unwind.h: New file.

2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* modulo-sched.c (get_sched_window): Fix comment typo.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/34648
	* tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.

2008-01-17  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
	* config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.

2008-01-17  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/34400
	* df-core.c (df_worklist_dataflow_overeager,
	df_worklist_dataflow_doublequeue): New functions.
	(df_worklist_dataflow): Two different worklist solvers.
	* params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
	New param.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	PR testsuite/34821
	* doc/invoke.texi: Document the dependence on pthread for fopenmp
	and ftree-parallelize-loops.

2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>

	PR rtl-optimization/34826
	* loop-doloop (doloop_modify): Update the REG_BR_PROB note.

2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>

	* global.c (find_reg): Mark the eh regs as used if necessary.
	* ra-conflict.c (global_conflicts): Set no_eh_reg flag.
	* ra.h (struct allocno): no_eh_reg field added.  Changed
	no_stack_reg type to bitfield.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr): Add missing 'break'.

2008-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34825
	* tree-ssa-math-opts.c (is_division_by): Do not recognize
	x / x as division to handle.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
	"-pthread" is specified.
	* pa-hpux11.h (LIB_SPEC): Likewise.

2008-01-16  Janis Johnson  <janis187@us.ibm.com>
	    Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/33796
	* sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR libgfortran/34699
	* pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
	static links.
	* pa-hpux10.h (LINK_SPEC): Likewise.
	* pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32628
	* fold-const.c (fold_convert_const_int_from_int): Do not
	set overflow if that occured only because of a sign extension
	change when converting from/to a sizetype with the same
	precision and signedness.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* dwarf2out.c (output_call_frame_info): Move output of FDE initial
	location address to the correct place.  Update copyright year.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* lambda-code.c (lambda_transform_legal_p): Handle the case of
	no dependences in the dependence_relations vector.

2008-01-16  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/31396
	* regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
	* cfg.c (dump_reg_info): Print it.
	* regs.h (struct reg_info_t): add freq_calls_crossed.
	(REG_FREQ_CALLS_CROSSED): New macro.
	* global.c (global_alloc): Compute freq_calls_crossed for allocno.
	(find_reg): Update call of CALLER_SAVE_PROFITABLE.
	* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
	regmove_optimize): Update call crossed frequencies.
	* local-alloc.c (struct qty): Add freq_calls_crossed.
	(alloc_qty): Copute freq_calls_crossed.
	(update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
	(find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
	* ra.h (struct allocno): Add freq_calls_crossed.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
	libgomp when compiling with ftree-parallelize-loops.
	(GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34769
	* tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
	* tree.c (int_cst_value): Instead make this function more
	permissive in what it accepts as valid input.  Document this
	function always sign-extends the value.

2008-01-16  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR c/34668
	* gimplify.c (fold_indirect_ref_rhs): Rename to ...
	(gimple_fold_indirect_ref_rhs): ... this.
	(gimple_fold_indirect_ref): New function with foldings
	that preserve lvalueness.
	(gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
	* tree-flow.h (gimple_fold_indirect_ref): Declare.
	* tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
	to fold an INDIRECT_REF, fall back to the old use of
	fold_indirect_ref_1.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (subscript_dependence_tester_1): Call 
	free_conflict_function.
	(compute_self_dependence): Same.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* debug.h (dwarf2out_switch_text_section): Move declaration from ...
	* dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
	function global.
	* final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
	Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
	for DWARF2_UNWIND_INFO targets.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR c/34768
	* c-typeck.c (common_pointer_type): Do not merge inconsistent
	type qualifiers for function types.

2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
	loop_iterator li from previous commit.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (gen_parallel_loop): Free loop bound estimations.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
	(parallelize_loops): Don't parallelize irreducible components.

2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/24924
	* c-opts (c_common_post_options): Do not enable CPP
	flag_pedantic_errors by default.
	
2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/31944
	* cse.c (remove_pseudo_from_table): New function.
	(merge_equiv_classes): Use above function to remove pseudo-registers.
	(invalidate): Likewise.

2008-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34601
	* emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
	instead of TYPE_MODE to deal with calls from expand_one_error_var.

2008-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* gcse.c (cprop_jump): Call validate_unshare_change instead of
	validate_change to unshare the source of the PC set.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR middle-end/32135
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
	references above array bounds.  This might trigger bounds checks for
	pointers to arrays.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
	new_replaceable_dependencies.

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.
	* c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
	options included in -Wextra.
	* c.opt: New option -Wignored_qualifiers.
	* doc/invoke.texi (Warning Options, -Wextra): Add new option
	-Wignore_qualifiers.
	(-Wignored-qualifiers): Document.
	(-Wreturn-type): Remove description of functionality now handled
	by -Wignored-qualifiers.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/33788
	* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
	NOP_EXPR if it is between integral types with the same precision.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR other/28023
	* invoke.texi (max-inline-recursive-depth): Fix default value.

2008-01-12  Zdenek Dvorak  <ook@ucw.cz>

	* tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
	correct type.

2008-01-11  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (override_options): Set flag_shlib.
	
2008-01-11  James E. Wilson  <wilson@specifix.com>

	PR target/26015
	* config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.

2008-01-11  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
	save/restore frame pointer register and don't use 'call-prologues' 
	optimization in function with "OS_task" attribute.

2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/31309
	* expr.c (copy_blkmode_from_reg): Use a mode suited to the size
	when copying to memory.

2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/30905
	* cfgcleanup.c: Include dce.h
	(crossjumps_occured): New global variable.
	(try_crossjump_bb): Exit loop after finding a fallthru edge.
	If something changed, set crossjumps_occured to true.
	(try_optimize_cfg): Clear crossjumps_occured at the beginning.
	Don't add/remove fake edges to exit here...
	(cleanup_cfg): ...but do it here, when crossjumping.
	Run a fast DCE when successful crossjumps occured in the latest
	iteration of try_optimize_cfg.

2008-01-11  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
	(struct vn_unary_op_s): Likewise.
	(vn_reference_insert): Free old reference on hash collision.

2008-01-10  Raksit Ashok  <raksit@google.com>

	PR rtl-optimization/27971
	* combine.c (find_split_point): Split PLUS expressions which are
	inside a MEM rtx, and whose first operand is complex.

2008-01-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
	(m32c_hard_regno_nregs): ...this, which is now a wrapper.
	(m32c_hard_regno_ok): Call the underlying function.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34683
	* tree-cfg.c (tree_merge_blocks): Do not go through the
	full-blown folding and stmt updating path if we just deal
	with virtual operands.
	* tree-ssa-copy.c (may_propagate_copy): Do not short-cut
	test for abnormal SSA_NAMEs.

2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR middle-end/34641
	* reload.c (push_reload): Add assertions.  All constants from
	reg_equiv_constant should have been used for replacing the respective
	pseudo earlier.
	(find_reloads_address): Invoke find_reloads_address_part for
	constant taken from the reg_equiv_constant array.

2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
	field (valnum) the first in the struct.  Replace bools with
	unit bit fields.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34651
	* tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
	types and ordering for masking and converting.

2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34017
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
	also for PHI_NODE expressions.

2008-01-09  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/34708
	* tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
	based on number of case labels.
	(init_inline_once): Remove switch_cost.
	* tree-inline.h (eni_weights_d): Remove switch_cost.

2008-01-09  Richard Guenther  <rguenther@suse.de>
	Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30132
	* gimplify.c (gimplify_cond_expr): Do not create an addressable
	temporary if an rvalue is ok or an lvalue is not required.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34458
	* tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
	adjust return type.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34679
	* tree.c (host_integerp): Check for sizetype only if the
	type is an integer type.

2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR debug/26364
	* opts.c (decode_options): Disable inlining of functions called
	once if not in unit-at-a-time mode.

2008-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31863
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
	out early if the result will be unused.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34709
	Revert:

	2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.	
	
2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
	
	* config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
	for vectorization tuned.
	
2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-operands.c (operand_build_cmp): Export.
	* tree-ssa-operands.h (operand_build_cmp): Declare.
	* tree-vn.c (vuses_compare): Remove.
	(sort_vuses): Use operand_build_cmp.
	(sort_vuses_heap): Likewise.
	* tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
	to re-use old VEC if available.  Do not sort already sorted VUSEs.
	(vdefs_to_vec): Do not sort already sorted VDEFs.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34694
	* omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34702
	* doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
	limitations of reciprocal sequences on x86 targets.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-flow-inline.h (var_ann): Remove overzealous asserts.

2008-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/34622
	* config/darwin.c (darwin_mergeable_string_section): Don't use
	.cstring if int_size_in_bytes != TREE_STRING_LENGTH.

2008-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34682
	* config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
	negxf2.  Macroize expander using X87MODEF mode iterator.  Change
	predicates of op0 and op1 to register_operand.
	(abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
	expander using X87MODEF mode iterator.  Change predicates of
	op0 and op1 to register_operand.
	("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
	corresponding patterns and macroize using MODEF macro.  Change
	predicates of op0 and op1 to register_operand and remove
	"m" constraint. Disparage "r" alternative with "!".
	("*absneg<mode>2_i387"): Rename from corresponding patterns and
	macroize using X87MODEF macro.  Change predicates of op0 and op1
	to register_operand and remove "m" constraint.  Disparage "r"
	alternative with "!".
	(absneg splitter with memory operands): Remove.
	("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
	patterns and macroize using X87MODEF mode iterator.
	* config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
	Change predicate of op1 to register_operand.
	* config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
	for memory operands.

2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	* basic-block.h (struct edge_def): Pair dest_idx with goto_locus
	fields.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
	VOPs of the needed size to save memory.  Use VEC_quick_push
	to save compile-time.
	(vdefs_to_vec): Likewise.

2008-01-07  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu.md (divdf3): Genetate inline code for double
	division.  The implementation doesn't handle INF or NAN, therefore it
	only applies when -ffinite-math-only is given.

2008-01-06  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/34680
	* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
	* doc/cpp.texi ([Common Predefined Macros]): Document.

2008-01-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
	order to use commutative addition instead of subtraction.

2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Mircea Namolaru  <namolaru@il.ibm.com>
	    Vladimir Yanovsky  <yanov@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	PR tree-optimization/34263
	* tree-outof-ssa.c (process_single_block_loop_latch,
	contains_tree_r): New functions.
	(analyze_edges_for_bb): Call process_single_block_loop_latch
	function to empty single-basic-block latch block if possible.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.
	(ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.

2008-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/34618
	* tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
	flag from T.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34673
	* config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
	in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
	Update copyright year.

	* config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
	Update copyright year.
	* config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
	using NR fixup.

2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>

	* tree-vrp.c (find_conditional_asserts): Remove redundant check that
	edge does not point to current bb before changing need_assert.

2008-01-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34029
	* tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
	for verifying purposes if they are is_gimple_min_invariant.

2008-01-04  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/34448
	PR tree-optimization/34465
	* gimplify.c (gimplify_init_constructor): Add new parameter
	notify_temp_creation.  Use it.
	(gimplify_modify_expr_rhs): Take volatiles into account when
	optimizing constructors.
	Do not optimize constructors if gimplify_init_constructor will dump to
	memory.
	* gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
	* gcc.c-torture/compile/pr34448.c: New.

2008-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34609
	* tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
	return_slot if result is TREE_ADDRESSABLE.

2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (sqrt_condition): Tweak comment.
	(recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.

2008-01-03  Tom Tromey  <tromey@redhat.com>

	PR c/34457
	* c-common.c (c_type_hash): Handle VLAs.

2008-01-03  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/31081
	* tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
	0 when inlining and not inlining to first basic block.
	(remap_decl): When var is initialized to 0, don't set default_def.
	(expand_call_inline): Set entry_bb.
	* tree-inline.h (copy_body_data): Add entry_bb.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34619
	* cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
	before returning.

	PR tree-optimization/29484
	* tree-inline.c (inline_forbidden_p_2): New function.
	(inline_forbidden_p): Disallow inlining if some static var
	has an address of a local LABEL_DECL in its initializer.
	* doc/extend.texi (Labels as Values): Document &&foo behaviour
	vs. inlining.

2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34635
	* tree-data-ref.c (add_other_self_distances): Make sure that the
	evolution step is constant.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34608
	* omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.

2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>

	* tree-sra.c (scalarize_init): Insert the generate_element_init
	statements after the generate_element_zero statements.

2008-01-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34093
	PR middle-end/31976
	* tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
	for very large number of operands instead of ICEing.

2008-01-02  Arthur Norman <acn1@cam.ac.uk>

	PR target/34013
	* config/i386/i386.c (ix86_expand_prologue): Save red-zone
	while stack probing.

2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>

	* c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
	in C++0x mode.

2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>

	PR libmudflap/26442
	* tree-mudflap.c (mx_register_decls): Guard warning by
	!DECL_ARTIFICIAL check.

2008-01-01  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
	sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
	sse5_perm<mode>): Fix constraints.