path: root/gcc/ChangeLog.google-4_6

2012-06-06  Rong Xu  <xur@google.com>

	* gcc.c (RIPA_AUX_MOD_SPEC):not passing pedantic flag to aux
          modules.
          (ripa_invoke_as):not using pipe for iro file.
          (ripa_build_aux_mod_func):-D define can have space.

2012-06-04  Mark Wielaard  <mjw@redhat.com>
	    Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (enum dw_val_class): Add dw_val_class_high_pc.
	(struct dw_loc_list_struct): Remove end_index.
	(add_AT_low_high_pc): New function.
	(AT_lbl): Handle dw_val_class_high_pc.
	(print_die): Likewise.
	(attr_checksum): Likewise.
	(attr_checksum_ordered): Likewise.
	(same_dw_val_p): Likewise.
	(size_of_die): Likewise.
	(value_format): Likewise.
	(new_loc_list): Remove end_index.
	(output_loc_list): Use new DW_LLE_start_length_entry format.
	(output_die): Handle dw_val_class_high_pc.
	(gen_subprogram_die): Use add_AT_low_high_pc.
	(add_high_low_attributes): Likewise.
	(compare_loc_operands): Relax irrelevant assertion when splitting
	DWARF.
	(index_location_lists): Remove end_index.
	(dwarf2out_finish): Use add_AT_low_high_pc.

2012-06-01   Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r188134.
	2012-06-01   Teresa Johnson  <tejohnson@google.com>

        * libgcov.c: Add references to gcov_reset and gcov_dump
	        from L_gcov section.

2012-06-01   Doug Kwan  <dougkwan@google.com>

	Backport r171031 from upstream trunk.
	2011-03-16  Alan Modra  <amodra@gmail.com>

		PR target/45844
		* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
		Don't create invalid offset address for vsx splat insn.
		* config/rs6000/predicates.md (splat_input_operand): New.
		* config/rs6000/vsx.md (vsx_splat_*): Use it.

2012-06-01   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 188095.

2012-05-30   Cary Coutant  <ccoutant@google.com>

	* gcc/dwarf2out.c (index_location_lists): Don't index location
	lists that have already been indexed.

2012-05-30  Dehao Chen  <dehao@google.com>

	* predict.c (predict_extra_loop_exit): New function to predict for
	extra loop exits resulted from short-circuit conditions.

2012-05-29   Sterling Augustine  <saugustine@google.com>
	     Cary Coutant  <ccoutant@google.com>

	* gcc/dwarf2out.c (remove_loc_list_addr_table_entries): New function.
	(is_class_die): Return TRUE for DW_TAG_structure_type.
	(resolve_addr): Remove address table entries when replacing a
	location list.

2012-05-24  Sterling Augustine  <saugustine@google.com>
	    Cary Coutant  <ccoutant@google.com>

	Fission bugfixes and improvements.

	* opts.c (finish_options): -gfission implies -gpubnames.
	(common_handle_option): Pass empty arg string to set_debug_level.
	* common.opt (gno-fission): New option.
	(gfission): Remove JoinedOrMissing, add RejectNegative.
	(gno-pubnames, gpubnames): New options.
	* target.def (want_debug_pub_sections): Change default to false.
	* gcc.c (check_live_switch): Check -g options for -gno- options.

	* c-family/c-pretty-print.c (pp_c_specifier_qualifier_list): Add
	support for gnu_v3 style.
	* c-family/c-pretty-print.h (pp_c_flag_gnu_v3): New enum constant.
	* cp/error.c (dump_decl): Add support for gnu_v3 style.
	(decl_as_string): Likewise.
	(lang_decl_name): Likewise.
	* cp/cp-lang.c (cxx_dwarf_name): Likewise.
	* cp/cp-tree.h (enum overload_flags): Add TFF_MATCH_GNU_V3_DEMANGLER.

	* dwarf2out.c (dwarf_stack_op_name): Add DW_OP_GNU_const_index.
	(size_of_loc_descr): Likewise.
	(output_loc_operands): Likewise.
	(output_loc_operands_raw): Likewise.
	(dw_addr_op): New function.
	(new_addr_loc_descr): Call dw_addr_op.
	(want_pubnames): New function.
	(add_AT_pubnames): Add DW_AT_GNU_pubnames/pubtypes only if
	generating .debug_pubnames/pubtypes sections.
	(add_pubname_string): Check for -gpubnames option.
	(add_pubname): Likewise.
	(add_pubtype): Likewise.
	(output_pubnames): Likewise.
	(mem_loc_descriptor): Call new_addr_loc_desc for TLS vars.
	(loc_list_from_tree): Likewise.
	(gen_subprogram_die): Output pubnames for all inlined functions.
	(output_addr_table): Handle DW_OP_GNU_const_index.  Add missing
	newline.
	(hash_loc_operands): Add DW_OP_GNU_const_index.
	(compare_loc_operands): Likewise.

	* testsuite/g++.old-deja/g++.pt/memtemp77.C: Revert earlier change
	to expected results.
	* testsuite/g++.dg/ext/pretty3.C: Likewise.
	* testsuite/g++.dg/warn/Wuninitializable-member.C: Likewise.
	* testsuite/g++.dg/warn/pr35711.C: Likewise.
	* testsuite/g++.dg/pr44486.C: Likewise.

2012-05-24   Rong Xu  <xur@google.com>

	Backport from google/gcc-4_7 r187856.
	Google ref b/5733865.

	2012-05-24   Rong Xu  <xur@google.com>

	  * l-ipo.c (create_unique_name): Make temp names demanglable.

2012-05-18   Jing Yu  <jingyu@google.com>

	Backport from trunk r187586:
	2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>

	* configure.ac: Stack protector enabling for Android targets.
	* configure: Regenerate.

2012-05-18   Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r187660:
	2012-05-18   Teresa Johnson  <tejohnson@google.com>

	* doc/invoke.texi: Update the documentation with new params.
	* loop-unroll.c (loop_has_FP_comp): Remove function.
	(max_unroll_with_branches): New function.
	(decide_unroll_constant_iterations, decide_unroll_runtime_iterations):
        Add heuristic to avoid increasing branch mispredicts when unrolling.
	(limit_code_size, decide_peel_simple, decide_unroll_stupid): Retrieve
        number of branches from niter_desc instead of via function that walks
        loop.
	* loop-iv.c (get_simple_loop_desc): Invoke new analyze_loop_insns
        function, and add guards to enable this function to work for the
        outermost loop.
	* cfgloop.c (insn_has_fp_set, analyze_loop_insns): New functions.
        (num_loop_branches): Remove.
	* cfgloop.h (struct niter_desc): Added new fields to cache additional
        loop analysis information.
        (num_loop_branches): Remove.
	(analyze_loop_insns): Declare.
	* params.def (PARAM_MIN_ITER_UNROLL_WITH_BRANCHES): New param.
        (PARAM_UNROLL_OUTER_LOOP_BRANCH_BUDGET): Ditto.

2012-05-15   Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r187536:
	2012-05-15   Teresa Johnson  <tejohnson@google.com>

	* libgcov.c (__gcov_sampling_period): Rename variable from "*rate*"
	to "*period*".
	(gcov_sampling_period_initialized): Ditto.
	(__gcov_set_sampling_period): Rename from __gcov_set_sampling_rate.
	Check __gcov_has_sampling.
	(__gcov_has_sampling): New variable.
	(__gcov_sampling_enabled): New function.
	(__gcov_init): Rename variables from "*rate*" to "*period*".
	* doc/invoke.texi (profile-generate-sampling-period): Rename
	from profile-generate-sampling-rate.
	* tree-profile.c (gcov_sampling_period_decl): Rename from
	gcov_sampling_rate_decl.
	(gcov_has_sampling_decl): New variable.
	(insert_if_then, add_sampling_wrapper): Rename variables from "*rate*"
	to "*period*".
	(gimple_init_instrumentation_sampling): Ditto, and add handling
	for gcov_has_sampling_decl.
	* params.def (profile-generate-sampling-period): Rename
	from profile-generate-sampling-rate.

2012-05-11  Han Shen  <shenhan@google.com>

	Backport from mainline.
	2012-05-01  Richard Earnshaw  <rearnsha@arm.com>

	* arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
	comparing enumeration values.  Update comments.

	2012-04-26  Michael Hope  <michael.hope@linaro.org>
		    Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
	(GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
	(GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
	(GLIBC_DYNAMIC_LINKER):	Redefine to use the hard float path.

2012-05-09  Teresa Johnson  <tejohnson@google.com>

	Backport from trunk r187297:
	2012-05-08   Teresa Johnson  <tejohnson@google.com>

	* libgcov.c (gcov_clear, __gcov_reset): New functions.
	(__gcov_dump): Ditto.
	(gcov_dump_complete): New global variable.
	(gcov_exit): Export hidden to enable use in L_gcov_dump.
	(__gcov_flush): Outline functionality now in gcov_clear.
	* Makefile.in (L_gcov_reset, L_gcov_dump): Define.
	* gcov-io.h (__gcov_reset, __gcov_dump): Declare.
	* doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.

2012-05-08   Sterling Augustine  <saugustine@google.com>
	     Cary Coutant  <ccoutant@google.com>

	* gcc/dwarf2out.c (debug_ref_section): Remove.
	(struct dw_loc_list_struct): Add begin_index, end_index fields.
	(DEBUG_REF_SECTION): Remove.
	(DEBUG_NORM_MACINFO_SECTION, DEBUG_DWO_MACINFO_SECTION): New macros.
	(DEBUG_MACINFO_SECTION): Define condtionally on
	dwarf_split_debug_info.
	(DEBUG_DWO_LOC_SECTION): New macro.
	(DEBUG_REF_SECTION_LABEL): Remove.
	debug_ref_section_label: Remove.
	(dwarf_attr_name): Replace DW_AT_GNU_ref_base with
	DW_AT_GNU_ranges_base.
	(dwarf_form_name): Remove DW_FORM_GNU_ref_index.
	(AT_index): Adjust comment.
	(addr_index_table): Adjust comment.
	(ref_index_table): Remove.
	(add_ref_table_entry): Remove.
	(add_AT_range_list): Save offset for direct references.
	(size_of_die): Always use offset size for range list references.
	(value_format): Use section offset for range list and location list
	references.
	(new_loc_list): Initialize begin_index and end_index.
	(output_loc_list): Handle special format for .debug_loc.dwo sections.
	(output_range_list_offset): Output plain offset for range list
	reference when splitting dwarf info.
	(output_loc_list_offset): Output plain offset for location list
	reference when splitting dwarf info.
	(output_attr_index_or_value): Remove case dw_val_class_range_list.
	(output_die): Call output_range_list_offset for range list references.
	(add_top_level_skeleton_die_attrs): Remove DW_AT_GNU_ref_base.
	(add_enumerator_pubname): Remove SEP parameter; add correct pubtype
	entry for anonymous enums.
	(add_pubtype): Add correct pubtype entry for anonymous enums.
	(gen_enumeration_type_die): Likewise.
	(dwarf2out_init): Create .debug_loc.dwo section; remove
	debug_ref_section.
	(output_ref_table): Remove.
	(index_location_lists): Set begin_index and end_index for each item
	in a location list.
	(dwarf2out_finish): Add DW_AT_macro_info to the compile_unit DIE
	instead of the skeleton.  Don't call index_location_lists when not
	splitting dwarf info.  Add DW_AT_GNU_ranges_base attribute to
	compile_unit DIE.  Move generation of loc_section_label to
	dwarf2out_init.  Remove .debug_ref section.

2012-05-08   Rong Xu  <xur@google.com>

	* ipa-inline.c (fixed_arg_function_p):
	(better_inline_comdat_function_p): match lipo_gen in stream LIPO.

2012-05-07  Jing Yu  <jingyu@google.com>
	
	Backport r186560 and r185958 from gcc trunk
	2012-05-03  Enkovich Ilya  <ilya.enkovich@intel.com>

	 * config/linux-android.h (ANDROID_STARTFILE_SPEC): Fix
	shared case.
	(ANDROID_ENDFILE_SPEC): Likewise.
	* config/i386/linux.h (TARGET_OS_CPP_BUILTINS): Add Android
	builtins.
	(LINUX_TARGET_CC1_SPEC): New.
	(CC1_SPEC): Support Android.
	(LINUX_TARGET_LINK_SPEC): New.
	(LINK_SPEC): Support Android.
	(LIB_SPEC): New.
	(STARTFILE_SPEC): New.
	(LINUX_TARGET_ENDFILE_SPEC): New.
	(ENDFILE_SPEC): Support Android.
	* config/i386/linux64.h: Likewise.

2012-05-03  Dehao Chen  <dehao@google.com>

	* predict.c (predict_iv_comparison): Add the comparison of induction
	variable against its initial value. (Reenable r185948)

2012-05-02   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 187010.

2012-05-01   Rong Xu  <xur@google.com>

	Backport r187028 from google-main.

	2012-05-01   Rong Xu  <xur@google.com>

		* gcc/cp/rtti.c (get_tinfo_decl): generate tinfo for aux 
		modules in LIPO.

2012-02-21   Ahmad Sharif  <asharif@google.com>

	Backport from mainline r185231.
	2012-03-12  Richard Guenther  <rguenther@suse.de>

	* gthr.h (__GTHREAD_MUTEX_INIT_FUNCTION): Adjust specification.
	* gthr-posix.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.
	(__gthread_mutex_init_function): New function.
	* gthr-single.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define.

	PR gcov/49484
	* libgcov.c: Include gthr.h.
	(__gcov_flush_mx): New global variable.
	(init_mx, init_mx_once): New functions.
	(__gcov_flush): Protect self with a mutex.
	(__gcov_fork): Re-initialize mutex after forking.
	* unwind-dw2-fde.c: Change condition under which to use
	__GTHREAD_MUTEX_INIT_FUNCTION.

2012-04-25   Rong Xu  <xur@google.com>

	* gcc/gcc.c (ripa_lto_spec): Support -S in streaming LIPO.
	(cc1_options): Ditto.

2012-04-25   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 186419.

2012-04-20   Sterling Augustine  <saugustine@google.com>

	* gcc/dwarf2out.c (output_skeleton_debug_sections): Fix off-by-one
	error.

2012-04-20   Rong Xu  <xur@google.com>

	* gcc/ipa.c (cgraph_externally_visible_p): Not localize hidden symbols
	in streaming LIPO.
	(varpool_externally_visible_p): Ditto.

2012-04-17  Teresa Johnson  <tejohnson@google.com>

	Backport from google/main rev r186550

	2012-04-17   Teresa Johnson  <tejohnson@google.com>

	Google ref b/5910724.
	* libgcc/libgcov.c (gcov_cur_module_id): Guard definition under
	#ifndef __GCOV_KERNEL__.

2012-04-11  Teresa Johnson  <tejohnson@google.com>

	Revert r182255 since it is subsumed by r186333.

2012-04-11   Teresa Johnson  <tejohnson@google.com>

	Backport r186176 from trunk.

	2012-04-05  Teresa Johnson  <tejohnson@google.com>
		    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (ix86_tune_indices): Add
	X86_TUNE_LCP_STALL.
	* config/i386/i386.md (move immediate to memory peephole2):
	Add cases for HImode move when LCP stall avoidance is needed.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	X86_TUNE_LCP_STALL entry.

2012-04-04   Ahmad Sharif  <asharif@google.com>

	Backport from mainline r179661, r179662.

	2011-10-07  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/predicates.md (shift_amount_operand): Remove constant
	range check.
	(shift_operator): Check range of constants for all shift operators.

	gcc/testsuite/
	* gcc.dg/pr50193-1.c: New file.
	* gcc.target/arm/shiftable.c: New file.

2012-04-04  Dehao Chen  <dehao@google.com>
	* predict.c (predict_iv_comparison): Revert r185948, which causes
	regression to major applications.

2012-03-29  Dehao Chen  <dehao@google.com>

	* predict.c (predict_iv_comparison): Add the comparison of induction
	variable against its initial value.

2012-03-23   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (resolve_addr): Remove address table entry for symbol
	when removing location list entry.

2012-03-21  Sriraman Tallam  <tmsriram@google.com>

	* params.def (PARAM_MAX_FUNCTION_SIZE_FOR_AUTO_CLONING): Bump
	default value to 5000.

2012-03-21  Sriraman Tallam  <tmsriram@google.com>

	* gcc/common.opt (fcallgraph-profiles-sections): Restore deleted
	option fcallgraph-profiles-sections.
	* gcc/final.c (rest_of_handle_final): Restore
	check for option fcallgraph-profiles-sections.
	* gcc/cgraphbuild.c (cgraph_callee_edges_final_cleanup): Restore
	check for option fcallgraph-profiles-sections.
	* testsuite/lib/target-supports-dg.exp
	(dg-require-linker-function-reordering-plugin): New proc.
	* testsuite/lib/target-supports.exp
	(check_linker_function_reordering_plugin_supported): New proc.
	* testsuite/g++.dg/tree-prof/callgraph-profiles.C: Check if
	linker supports plugins. Check if the final binary has the
	functions ordered as expected.

2012-03-21   Harshit Chopra  <harshit@google.com>
	Backport from google/main r183548, r183888.

	2012-01-25   Harshit Chopra  <harshit@google.com>

	Introduce a new option -mpatch-functions-for-instrumentation to
	generate Nops at function prologue and epilogue for dynamic
	instrumentation.
	* gcc/config/i386/i386-protos.h: Added function and macro definitions
	for function patch sections used globally.
	* gcc/config/i386/i386.c (check_should_patch_current_function): Check
	if the current function should be patched with Nops.
	(ix86_output_function_prologue): Output Nops for function prologue.
	(ix86_output_function_nops_prologue_epilogue): Helper function which
	outputs Nops for function prologue and epilogue.
	(ix86_elf_asm_named_section): Generate the name of the function patch
	section.
	(ix86_output_call_insn): Generate nops for sibling calls.
	* gcc/config/i386/i386.md: Generate nops for returns.
	* gcc/config/i386/i386.opt: Commandline options to control nops
	generation for function patching.
	* gcc/params.def (DEFPARAM): Define parameter to control generation
	of nops based on number of instructions in a function
	* gcc/testsuite/gcc.target/i386/patch-functions-1.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-2.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-3.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-4.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-5.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-6.c: New testcase
	* gcc/testsuite/gcc.target/i386/patch-functions-7.c: New testcase

	2012-02-03   Harshit Chopra  <harshit@google.com>
  
	Restricting the tests to run for 64-bit target since function patching
	is only supported for 64-bit targets.
	
	* gcc.target/i386/patch-functions-1.c: Restrict to 64-bit targets.
	* gcc.target/i386/patch-functions-2.c: Likewise
	* gcc.target/i386/patch-functions-3.c: Likewise
	* gcc.target/i386/patch-functions-4.c: Likewise
	* gcc.target/i386/patch-functions-5.c: Likewise
	* gcc.target/i386/patch-functions-6.c: Likewise
	* gcc.target/i386/patch-functions-7.c: Likewise

2012-03-20   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (size_of_loc_descr): Use val_index instead of
	v.val_unsigned.
	(output_loc_operands): Likewise.

2012-03-19  Sterling Augustine  <saugustine@google.com>
	    Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (dwarf_stack_op_name): Add DW_OP_GNU_addr_index.
	(new_loc_descr): Initialize val_index.
	(size_of_loc_descr): Add DW_OP_GNU_addr_index.
	(output_loc_operands): Likewise.
	(output_loc_operands_raw): Likewise.
	(build_cfa_loc): Initialize val_index.
	(new_addr_loc_descr): New function.
	(add_AT_flag): Initialize val_index.
	(add_AT_int): Likewise.
	(add_AT_unsigned): Likewise.
	(add_AT_double): Likewise.
	(add_AT_vec): Likewise.
	(add_AT_data8): Likewise.
	(add_AT_string): Likewise.
	(add_AT_die_ref): Likewise.
	(add_AT_fde_ref): Likewise.
	(add_AT_loc): Likewise.
	(add_AT_loc_list): Likewise.
	(add_addr_table_entry): Change if to assert.
	(remove_addr_table_entry): New function.
	(add_AT_addr): Add force_direct parameter; adjust all callers.
	Initialize val_index.
	(add_AT_file): Initialize val_index.
	(add_AT_vms_delta): Likewise.
	(add_AT_lbl_id): Add force_direct parameter; adjust all callers.
	Initialize val_index.
	(add_AT_lineptr): Initialize val_index.
	(add_AT_macptr): Likewise.
	(add_AT_offset): Likewise.
	(add_AT_range_list): Add force_direct parameter; adjust all callers.
	Initialize val_index.
	(size_of_die): Check for AT_index.
	(value_format): Likewise.
	(output_attr_index_or_value): Likewise.
	(output_die): Fix format warning.
	(add_top_level_skeleton_die_attrs): Don't add DW_AT_stmt_list here.
	(get_skeleton_type_unit): New function.
	(output_skeleton_debug_sections): Add comp_unit parameter; adjust
	caller; don't generate debug_skeleton_info_section_label or
	debug_skeleton_abbrev_section_label here; call get_skeleton_type_unit.
	(output_comdat_type_unit): Remove assert; call get_skeleton_type_unit.
	(add_ranges_by_labels): Add force_direct parameter; adjust callers.
	(address_of_int_loc_descriptor): Initialize val_index.
	(mem_loc_descriptor): Initialize val_index; call new_addr_loc_descr.
	(implicit_ptr_descriptor): Don't generate DW_OP_GNU_implicit_pointer
	when splitting debug info.  Initialize val_index.
	(loc_descriptor): Initialize val_index; call new_addr_loc_descr.
	(loc_list_from_tree): Likewise.
	(add_const_value_attribute): Likewise.
	(dwarf2out_init): Generate debug_skeleton_info_section_label and
	debug_skeleton_abbrev_section_label here.
	(output_indirect_string): Check for DW_FORM_strp instead of label
	and refcount.
	(output_addr_table): Check for removed entries, handle
	dw_val_class_loc.
	(resolve_addr_in_expr): Handle DW_OP_GNU_addr_index.
	(resolve_addr): Remove entry from addr_table if necessary.
	(hash_loc_operands): Add DW_OP_GNU_addr_index.
	(compare_loc_operands): Likewise.
	(dwarf2out_finish): Put DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges,
	DW_AT_stmt_list, DW_AT_macptr in skeleton comp_unit DIE; write
	skeleton debug sections if regular debug section emitted.

2012-03-18  Sriraman Tallam  <tmsriram@google.com>

	* cgraphbuild.c (remove_cgraph_callee_edges): Replace
	flag_callgraph_profiles_sections with flag_reorder_functions.
	* final.c (rest_of_handle_final): Ditto.
	* configure: Regenerate.
	* config.in: undef FRPLUGINSONAME.
	* congifure.ac: Define FRPLUGINSONAME.
	* config.host: Set host_function_reordering_plugin_soname.
	* gcc.c: Invoke function_reordering linker plugin with
	-freorder-functions=* option.
	(set_func_reorder_linker_plugin_spec): New function.
	(main): Call set_func_reorder_linker_plugin_spec when
	-freorder-functions=* option is seen.
	* common.opt (fcallgraph-profiles-sections):  Remove.
	(freorder-functions=): New option.
	* testsuite/g++.dg/tree-prof/callgraph-profiles.C: Replace
	-fcallgraph-profiles-sections with -freorder-functions=callgraph.
	* opts.c (finish_options): Turn on -ffunction-sections when
	-freorder-functions= is used.
	* doc/invoke.texi (freorder-functions=): Document option
	-freorder-functions=.

2012-03-18   Rong Xu  <xur@google.com>

        This patch implements LIPO profile-use compilation that
        leverages LTO's IR streaming support. It supports C/C++
        and Fortran. It is currently disabled by default and can
        be turned on by -fripa=streaming option.

	* doc/invoke.texi: Document new flags.
        * lto-symtab.c (Entry_BB_profile_count): New function.
        (coverage.h): New include.
        (lto_symtab_register_decl): Support for streamed lipo.
        (lto_symtab_resolve_symbols): Ditto.
        (lto_symtab_merge_decls_1): Ditto.
        * cgraph.c (cgraph_can_remove_if_no_direct_calls_and_refs_p): Ditto.
        * gcc.c (RIPA_AUX_MOD_SPEC): New Define for streaming LIPO.
        (ripa_aux_mod_spec): Ditto.
        (ripa_lto_spec): Ditto.
        (ripa_asm_options): Ditto.
        (ripa_invoke_as): Ditto.
        (ripa_pri_mod_invoke_as) Ditto.:
        (processing_spec_function_ripa_aux_mode): Ditto.
        (ripa_ir_files): Ditto.
        (primary_module_id): Ditto.
        (ripa_gen_lto_cmd_func): Ditto.
        (ripa_build_aux_mod_func): Ditto.
        (spec_list static_specs): Support for streaming LIPO.
        (static_spec_functions): Ditto.
        (execute): Ditto.
        (create_at_file): Ditto.
        (give_switch): Ditto.
        (ripa_dump_cmd_line): New function.
        * toplev.c (l-ipo.h): New include.
        (lto_done_symtab_merge): New Define for streaming LIPO.
        (primary_module_exported): Ditto.
        (compile_file): Support for streaming LIPO.
        (do_compile): Ditto.
        (toplev_main): Ditto.
        * cgraphunit.c: (cgraph_expand_function): Ditto.
        (ipa_passes): Ditto.
        (cgraph_optimize): Ditto.
        * cp/lang-specs.h: Ditto.
        * fortran/lang-specs.h: Ditto.
        * lto-cgraph.c (lto_output_node): Ditto.
        (lto_output_varpool_node): Ditto.
        (input_node): Ditto.
        (input_varpool_node): Ditto.
        * lto-streamer-out.c (l-ipo.h): New include.
        (lto_write_ripa_info): New function.
        (output_function): Support for streaming LIPO.
        (produce_asm_for_decls): Ditto.
        * opts.c: (common_handle_option): Ditto.
        * lto-streamer-in.c (input_function): Ditto.
        (lto_register_var_decl_in_symtab): Ditto.
        (lto_read_tree): Ditto.
        (check_and_set_ripa_module_info): New function.
        (input_ripa_info): Ditto.
        * lto-section-in.c (lto_section_name): Support for streaming LIPO.
        * lto/lto.c (read_cgraph_and_symbols): Ditto.
        * lto-streamer.c (lto_get_section_name): Ditto.
        * lto-streamer.h (lto_section_type): Ditto.
        (lto_file_decl_data): Ditto.
        (l-ipo.h): New include.
        * ipa.c (cgraph_can_have_cross_module_ref_in_lipo_p): New function.
        (varpool_can_have_cross_module_ref_in_lipo_p): Ditto.
        (cgraph_externally_visible_p): Support for streaming LIPO.
        (varpool_externally_visible_p): Ditto.
        * coverage.c (get_da_file_name): Ditto.
        (read_counts_file): Ditto.
        (coverage_init): Ditto.
        (create_mgf_file): New function.
        (write_mgf_file): Ditto.
        * tree-sra.c (ipa_early_sra_gate): Support for streaming LIPO.
        (modify_function): Ditto.
        * value-prof.c (gimple_value_profile_transformations): Ditto.
        (init_node_map): Ditto.
        (del_node_map): Ditto.
        (cgraph_init_gid_map): Ditto.
        (gimple_indirect_call_to_profile): Ditto.
        * l-ipo.c (cgraph_is_aux_decl_external): Ditto.
        (promote_static_var_func)): Ditto.
        (process_module_scope_static_var): Ditto.
        (cgraph_process_module_scope_statics): Ditto.
        (tree-pretty-print.h): New include.
        * l-ipo.h (L_IPO_COMP_MODE): Support for streaming LIPO.
        (primary_module_exported): New Decls.
        (L_IPO_STREAM_COMP_MODE): New macro.
        (L_IPO_STREAM_FE_COMP_MODE_AUX): New macro.
        (L_IPO_STREAM_FE_COMP_MODE_PRIM): New macro.
        (L_IPO_STREAM_FE_COMP_MODE): New macro.
        (L_IPO_STREAM_IN_LTO_P): New macro.
        * common.opt: New flags.

2012-03-12  Sterling Augustine  <saugustine@google.com>
	    Cary Coutant  <ccoutant@google.com>

	* gcc.c (ASM_FINAL_SPEC): For -gfission, call objcopy.
	(static_spec_functions): Add replace-extension.
	(replace_extension_spec_func): New function.
	* dwarf2out.c (debug_skeleton_info_section)
	(debug_skeleton_abbrev_section, debug_ref_section, debug_addr_section)
	(debug_skeleton_line_section, debug_str_offsets_section): New
	variables.
	(struct indirect_string_node): Add index field.
	(DEBUG_DWO_INFO_SECTION, DEBUG_DWO_ABBREV_SECTION, DEBUG_REF_SECTION)
	(DEBUG_ADDR_SECTION, DEBUG_DWO_LINE_SECTION)
	(DEBUG_NORM_STR_OFFSETS_SECTION, DEBUG_DWO_STR_OFFSETS_SECTION)
	(DEBUG_STR_OFFSETS_SECTION, DEBUG_DWO_STR_SECTION)
	(DEBUG_NORM_STR_SECTION): New debug section macros.
	(DEBUG_STR_SECTION): Change definition for -gfission.
	(DEBUG_STR_SECTION_FLAGS): Don't set SECTION_MERGE for -gfission.
	(DEBUG_SKELETON_LINE_SECTION_LABEL, DEBUG_SKELETON_INFO_SECTION_LABEL)
	(DEBUG_SKELETON_ABBREV_SECTION_LABEL, DEBUG_REF_SECTION_LABEL)
	(DEBUG_ADDR_SECTION_LABEL): New section label macros.
	(SKELETON_COMP_DIE_ABBREV, SKELETON_TYPE_DIE_ABBREV): New macros.
	(debug_skeleton_info_section_label, debug_skeleton_abbrev_section_label)
	(debug_ref_section_label, debug_addr_section_label)
	(debug_skeleton_line_section_label): New section label variables.
	(dwarf_attr_name): Add new attribute names.
	(dwarf_form_name): Add new form names.
	(AT_index): New function.
	(set_AT_index): New function.
	(index_string_table): New variable.
	(AT_string_form): Use DW_FORM_GNU_str_index for -gfission.
	(add_addr_table_entry): New function.
	(add_AT_addr): Record index for indirect references with -gfission.
	(add_AT_lbl_id): Likewise.
	(add_ref_table_entry): New function.
	(add_AT_range_list): Use indirect reference for -gfission.
	(break_out_comdat_types): Don't add DW_AT_GNU_pubnames/pubtypes
	attributes here.
	(size_of_die): Account for indirect forms with -gfission.
	(value_format): Use indirect forms for -gfission.
	(output_die_abbrevs): New function.
	(output_abbrev_section): Refactor code into output_die_abbrevs.
	(output_range_list_offset): New function.
	(output_loc_list_offset): New function.
	(output_attr_index_or_value): New function.
	(output_die): Call output_attr_index_or_value to output possibly
	indirect forms.  Output indirect strings for -gfission.
	(add_AT_pubnames): New function.
	(add_top_level_skeleton_die_attrs): New function.
	(skeleton_type_unit): New variable.
	(output_skeleton_debug_sections): New function.
	(output_comdat_type_unit): Write to .debug_types.dwo for -gfission.
	(output_pubnames): Add assembly label to beginning of section; use
	label for skeleton info section with -gfission.
	(output_aranges): Use label for skeleton info section with -gfission.
	(output_line_info ): Add prologue_only parameter.
	(dwarf2out_init): Create new sections for -gfission.
	(output_index_strings): New function.
	(output_ref_table): New function.
	(output_addr_table): New function.
	(index_location_lists): New function.
	(dwarf2out_finish): For -gfission, write skeleton debug sections,
	write pubnames tables unconditionally, and write indirect sections.
	* opts.c (common_handle_option): Add OPT_gfission.
	* common.opt: Add -gfission option.

2012-03-09   Rong Xu  <xur@google.com>

	Backport from rev 185150.

	2012-03-09   Rong Xu  <xur@google.com>

		* opts-global.c (lipo_save_cl_args): save -std option.
		Google ref b/6117980.

2012-03-08   Rong Xu  <xur@google.com>

	* gcc/tree-inline.c (copy_cfg_body): fix the bug in r184378.
	  Google ref b/6105259.

2012-03-01   Jing Yu  <jingyu@google.com>

	Revert r184493 (init/fini backport patch set) because of
	intermittent unit test failure.

2012-02-21   Jing Yu  <jingyu@google.com>

	Google Ref 47894
	Backport from mainline r177933, r175181, r177963, r178116, r183299.

	2011-08-20  H.J. Lu  <hongjiu.lu@intel.com>
	PR other/46770
	* config.gcc (tm_file): Add initfini-array.h if
	.init_arrary/.fini_array are supported.
	* crtstuff.c: Don't generate .ctors nor .dtors sections if
	USE_INITFINI_ARRAY is defined.
	* output.h (default_elf_init_array_asm_out_constructor): New.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* varasm.c (elf_init_array_section): Likewise.
	(elf_fini_array_section): Likewise.
	(get_elf_initfini_array_priority_section): Likewise.
	(default_elf_init_array_asm_out_constructor): Likewise.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* config/initfini-array.h: New.

	2011-06-18  H.J. Lu  <hongjiu.lu@intel.com>
	PR other/49325
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Properly check if
	.init_array can be used with .ctors on targets.
	* configure: Regenerated.

	2011-08-22  H.J. Lu  <hongjiu.lu@intel.com>
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Error if __ELF__ isn't
	defined.
	* configure: Regenerated.

	2011-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	PR target/50166
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Check count in main.
	* configure: Regenerate.

	2012-01-19  Jakub Jelinek  <jakub@redhat.com>
	PR bootstrap/50237
	* config/initfini-array.h: Guard content of the header
	with #ifdef HAVE_INITFINI_ARRAY.
	* configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the
	file.
	Add initfini-array.h to tm_file here.
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a
	linker test.
	* config.gcc: Don't add initfini-array.h to tm_file here.
	* configure: Regenerated.

2012-02-21   Jing Yu  <jingyu@google.com>

	Revert r184369 and r184386
	* config.gcc (tm_file): Remove initfini-array.h
	* crtstuff.c: Restore generation of .ctors and .dtors
	* output.h (default_elf_init_array_asm_out_constructor): Delete
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* varasm.c (elf_init_array_section): Likewise.
	(elf_fini_array_section): Likewise.
	(get_elf_initfini_array_priority_section): Likewise.
	(default_elf_init_array_asm_out_constructor): Likewise.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* config/initfini-array.h: Delete

2012-02-20   Rong Xu  <xur@google.com>

	* tree-inline.c (copy_cfg_body): fix unused variable warning.
	* testsuite/gcc.dg/tree-prof/scaling_overflow.c: New test.

2012-02-19  Ollie Wild  <aaw@google.com>

	* initfini-array.h: Moved to config/initfini-array.h.
	* config/initfini-array.h: New.

2012-02-18   Rong Xu  <xur@google.com>

	* gcc/tree-inline.c (copy_cfg_body): (1) Avoiding overflow when
        converting double to long long. (2) only including the count
        for those basic blocks that will be copied.

2012-02-17   Jing Yu  <jingyu@google.com>

	Google Ref 47894
	2011-12-07  H.J. Lu  <hongjiu.lu@intel.com>
	Backport from mainline r177933.
	2011-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR other/46770
	* config.gcc (tm_file): Add initfini-array.h if
	.init_arrary/.fini_array are supported.
	* crtstuff.c: Don't generate .ctors nor .dtors sections if
	USE_INITFINI_ARRAY is defined.
	* output.h (default_elf_init_array_asm_out_constructor): New.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* varasm.c (elf_init_array_section): Likewise.
	(elf_fini_array_section): Likewise.
	(get_elf_initfini_array_priority_section): Likewise.
	(default_elf_init_array_asm_out_constructor): Likewise.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* config/initfini-array.h: New.

2012-02-14  Jing Yu  <jingyu@google.com>

	Google ref 42402-p2
	* config/arm/arm.h: Emit GNU-stack note for all arm targets by
	default.

2012-02-13   Xinliang David Li  <davidxl@google.com>

	* Backport r184175 from google/main: Implement
	new option fripa-inc-path-sub=

2012-02-13   Xinliang David Li  <davidxl@google.com>

	* tree-optimize.c (execute_fixup_cfg): Using double type in
	scaling to avoid count overflow during out-of-line copy
	fixup.

2012-02-02   Rong Xu  <xur@google.com>

	* tree-inline.c (copy_cfg_body): Curb the scaling factor to
        avoid counter overflow.

2012-02-02  Dmitry Vyukov  <dvyukov@google.com>

	Backport ThreadSanitizer (tsan) instrumentation pass from google/main.

        * tree-tsan.c: New file.
        * tree-tsan.h: New file.
        * tree-pass.h: Add tsan pass.
        * passes.c: Add tsan pass.
        * toplev.c (compile_file): Call tsan_finish_file.
        * common.opt: Add -ftsan, -ftsan-ignore flags.
        * doc/invoke.texi: Document the new flags.
        * Makefile.in: Add tree-tsan.c.
        * testsuite/gcc.dg/tsan.h: New file.
        * testsuite/gcc.dg/tsan-mop.c: New file.
        * testsuite/gcc.dg/tsan-stack.c: New file.
        * testsuite/gcc.dg/tsan-ignore.c: New file.
        * testsuite/gcc.dg/tsan-ignore.h: New file.
        * testsuite/gcc.dg/tsan-ignore.ignore: New file.

2012-02-01  Easwaran Raman  <eraman@google.com>

	* expr.c (do_tablejump): Add default_probability as the
	sixth parameter and use it to generate REG_BR_PROB note.
	(try_tablejump): Add default_probability as a parameter.
	* cfgbuild.c (non_zero_profile_counts): New function.
	(compute_outgoing_frequencies): If edges have profile counts
	set, don't replace them with guessed values.
	* expr.h (try_tablejump): Add additional parameter to the
	declaration.
	* stmt.c (tree-flow.h): Include.
	(case_node): Add new fields count and subtree_count.
	(add_case_node): Pass count as a paramater and initialize
	count field of case_node.
	(case_probability): New macro.
	(expand_case): Propagate profile information from the tree
	level to RTL during switch case expansion.
	(balance_case_nodes): Compute subtree_count for case nodes.
	(emit_case_nodes): Set branch probabilities for generated
	branches.

2012-02-01  Dehao Chen  <dehao@google.com>

	* predict.c (predict_iv_comparison): Add new parameter, ensure that
	the loop_iv_base and compare_base are identical.

2012-01-31  Dehao Chen  <dehao@google.com>

	* predict.c (strips_small_constant): New
	(get_base_value): New
	(find_ssa_name_in_assign_stmt): New
	(is_comparison_with_loop_invariant_p): New
	(expr_coherent_p): New
	(predict_iv_comparison): New
	(predict_loops): Add heuristic for loop-nested branches that compare an
	induction variable to a loop bound variable.
	* predict.def (PRED_LOOP_IV_COMPARE): New macro

2012-01-23   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 182961.

2012-01-20   Sterling Augustine  <saugustine@google.com>
	Backport from google/main

	* gcc/dwarf2out.c (break_out_comdat_types): Call add_AT_lineptr with
	DW_AT_GNU_pubnames and DW_AT_GNU_pubtypes.

2012-01-12   Rong Xu  <xur@google.com>
	Backport r183142 from google/main

	* gcc/profile.c (compute_value_histograms): ignore the
	histrogram when the counters not found in gcda file.

2012-01-11  Sriraman Tallam  <tmsriram@google.com>

	Add new target builtins: __builtin_cpu_is_amdfam15h_bdver1 and
	__builtin_cpu_is_amdfam15h_bdver2, to check for AMD Family 15h
	(0x15) processors, version 1 and 2 respectively.

	* i386.c (IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H): Rename IX86_BUILTIN_CPU_IS_AMDFAM10.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_BARCELONA): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_BARCELONA.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_SHANGHAI): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_SHANGHAI.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_ISTANBUL): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_ISTANBUL.
	(fold_builtin_cpu): Process IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1
	and IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2.
	(M_AMDFAM10H): Rename M_AMDFAM10.
	(M_AMDFAM10H_BARCELONA): Rename M_AMDFAM10_BARCELONA.
	(M_AMDFAM10H_SHANGHAI): Rename M_AMDFAM10_SHANGHAI.
	(M_AMDFAM10H_ISTANBUL): Rename M_AMDFAM10_ISTANBUL.
	(ix86_init_platform_type_builtins): Make new builtins __builtin_cpu_is_amdfam15_bdver1
	and __builtin_cpu_is_amdfam15_bdver2.
	(ix86_expand_builtin): Expand IX86_BUILTIN_CPU_IS_AMDFAM15_BDVER1 and 
	IX86_BUILTIN_CPU_IS_AMDFAM15_BDVER2.
	* testsuite/gcc.target/builtin_target.c (fn1): Call new builtins.

2012-01-10  Rong Xu  <xur@google.com>

	Backport r183081 from google/main

	* gcc/profile.c (compute_value_histograms): handle the  
	case when INDIR_CALL counters not available in gcda files.


2012-01-09  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (cgraph_node_opt_info): Print profile info if available
	(dump_inline_decision): Disable einline dump at OPT_INFO_MIN

2012-01-04   Sterling Augustine  <saugustine@google.com>

	Backport from google/main

       	* dwarf2out.c (add_pubname): Move conditional clause from outer to
       	inner if-statement.
       	(dwarf2out_finish): Fix conditions to output DW_AT_GNU_pubnames and
       	DW_AT_GNU_pubtypes.  Move decision to output pubnames and pubtypes from
       	here...
       	(output_pubnames): ...to here.
       	(pubtypes_section_empty): Delete unused function.

2012-01-02  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (cgraph_node_opt_info): Print more concise info when
	dumping inline decisions.

2011-12-19  Sterling Augustine <saugustine@google.com>

	Backport from google/main

	* dwarf2out.c (DEBUG_PUBNAMES_SECTION_LABEL,
	DEBUG_PUBTYPES_SECTION_LABEL): Define.
	(debug_pubnames_section_label, debug_pubtypes_section_label):
	Declare.
	(is_namespace_die, is_class_die): New functions.
	(add_enumerator_pubname): New function.
	(add_pubname): Call is_namespace_die, is_cu_die, and is_class_die in
	conditional.
	(add_pubtype): Call is_namespace_die. Rework name calculation.  Call
	type_tag, lang_hooks.dwarf_name and add_enumerator_pubname.
	(output_pubnames): Output debug_pubnames_section_label or
	debug_pubtypes_section_label.
	(base_type_die): Call add_pubtype.
	(gen_namespace_die): Call add_pubname_string and lang_hooks.dwarf_name.
	(dwarf2_out_init): Generate debug_pubnames_section_label and
	debug_pubtypes_section_label.
	(pubtypes_section_empty): New function.
	(dwarf2_out_finish): Call add_AT_lineptr if pubnames or pubtypes is
	non-empty.  When dealing with pubnames, change assertion to conditional.
	Call pubtypes_section_empty.  Likewise when dealing with pubtypes.
	Move code checking for empty section to...
	(pubtypes_section_empty): Here.
	* target.def: Switch boolean to enable pubnames and pubtypes.

2011-12-17  Sriraman Tallam  <tmsriram@google.com>

	* mversn-dispatch.c (make_name): Use '.' to concatenate to suffix
	mangled names.
	(clone_function): Do not make clones ctors/dtors. Recompute dominance
	info.
	(make_bb_flow): New function.
	(get_selector_gimple_seq): New function.
	(make_selector_function): New function.
	(make_attribute): New function.
	(make_ifunc_function): New function.
	(copy_decl_attributes): New function.
	(dispatch_using_ifunc): New function.
	(purge_function_body): New function.
	(function_can_make_abnormal_goto): New function.
	(make_function_not_cloneable): New function.
	(do_auto_clone): New function.
	(pass_auto_clone): New gimple pass.
	(make_specialized_call_to_clone): Fix clone names.
	* passes.c (init_optimization_passes): Add pass_auto_clone to list.
	* tree-pass.h (pass_auto_clone): New pass.
	* params.def (PARAM_MAX_FUNCTION_SIZE_FOR_AUTO_CLONING): New param.
	* target.def (mversion_function): New target hook.
	* config/i386/i386.c (ix86_option_override_internal): Check correctness
	of ix86_mv_arch_string.
	(add_condition_to_bb): New function.
	(make_empty_function): New function.
	(make_condition_function): New function.
	(is_loop_form_vectorizable): New function.
	(is_loop_stmts_vectorizable): New function.
	(any_loops_vectorizable_with_load_store): New function.
	(mversionable_for_core2_p): New function.
	(ix86_mversion_function): New function.
	* config/i386/i386.opt (mvarch): New option.
	* doc/tm.texi (TARGET_MVERSION_FUNCTION): Document.
	* doc/tm.texi.in (TARGET_MVERSION_FUNCTION): Document.
	* testsuite/gcc.dg/automversn_1.c: New test case.
	* testsuite/gcc.dg/mversn2.c: Fix cloned names.
	* testsuite/g++.dg/mversn8.C: Ditto.
	* testsuite/g++.dg/mversn10a.C: Ditto.
	* testsuite/g++.dg/mversn15.C: Ditto.
	* testsuite/g++.dg/mversn10.C: Ditto.
	* testsuite/g++.dg/mversn16.C: Ditto.

2011-12-17  Sriraman Tallam  <tmsriram@google.com>

	* gcc/config/i386/i386.c
	(IX86_BUILTIN_CPU_IS_INTEL_COREI7): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10): New enum value.
	(fold_builtin_cpu): Fold the new builtins.
	(ix86_init_platform_type_builtins): Make new buitins
	__builtin_cpu_is_intel_corei7 and
	__builtin_cpu_is_amdfam10.
	* testsuite/gcc.target/i386/builtin_target.c (fn1):
	Call the new builtins.

2011-12-17  Easwaran Raman  <eraman@google.com>
	Backport r182443 from google/main.

	2011-12-17   Easwaran Raman  <eraman@google.com>

		* common.opt (fsized-delete): New option.

2011-12-16   Rong Xu  <xur@google.com>
	Backport r182416 from google/main.

	2011-12-16   Rong Xu  <xur@google.com>

		* libgcc/libgcov.c (gcov_merge_gcda_file): reset summary_pos.

2011-12-16  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (dump_inline_decision): New function.
	(cgraph_node_call_chain): New function.
	(cgraph_node_opt_info): New function.
	(cgraph_mark_inline_edge): Dump inline decisions to stderr.

2011-12-14   Sriraman Tallam  <tmsriram@google.com>

	Backport r182344 from google/main.
	
	2011-12-14  Sriraman Tallam  <tmsriram@google.com>

		Do not vectorize loops on Core2 that need to use unaligned
		vector load/stores.
		* tree-vect-stmts.c (is_vector_load_store_slow): New function.
		(vectorizable_load): Return false if the load
		is unaligned and slow.
		(vectorizable_store): Ditto.
		* target.def (TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New target hook.
		* doc/m.texi.in: Document new target hook:
		TARGET_SLOW_UNALIGNED_VECTOR_MEMOP
		* doc/m.texi: Regenerate.
		* config/i386/i386.c (ix86_slow_unaligned_vector_memop): New function.
		(TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New macro.

2011-12-12   Teresa Johnson  <tejohnson@google.com>

	Backport r182254 from google/main.

2011-12-11   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 182135.

2011-11-30   Doug Kwan  <dougkwan@google.com>

	Backport r171347 and r181549 from trunk.
	2011-03-23  Julian Brown  <julian@codesourcery.com>

		* expr.c (expand_expr_real_1): Only use BLKmode for volatile
		accesses which are not naturally aligned.
	
	2011-11-20  Joey Ye  <joey.ye@arm.com>

        	* expr.c (expand_expr_real_1): Correctly handle strict volatile
        	bitfield loads smaller than mode size.

2011-11-23   Teresa Johnson  <tejohnson@google.com>

	Backport r181671 from google/main.

2011-11-18   Diego Novillo  <dnovillo@google.com>

	Rollback revisiong 179815 from gcc-4_6-branch.

2011-11-16   Rong Xu  <xur@google.com>

	Backport r181432 from google/main.

2011-11-10  DeLesley Hutchins  <delesley@google.com>

  * tree-threadsafe-analyze.c:    
    factors out code to get function decl.
    (get_fdecl_from_gimple_stmt): new factored-out function
    (handle_call_gs): original definition of code
    (get_lock_returned_by_call): call new function
    (get_trylock_info): call new function
    (handle_unlock_primitive_attr): use passed fdecl

2011-11-10  DeLesley Hutchins  <delesley@google.com>

  * tree-threadsafe-analyze.c (get_canonical_lock_expr):
    Add support for pointer arithmetic operations

2011-11-04   Rong Xu  <xur@google.com>

	Backport r181129 from google/main.

2011-11-06   Teresa Johnson  <tejohnson@google.com>

	Backport r180925 from google/main.

2011-11-06   Teresa Johnson  <tejohnson@google.com>

	Backport r180783 from trunk.

2011-11-04  DeLesley Hutchins  <delesley@google.com>
   * tree-threadsafe-analyze.c:
     Ignores invalid attributes, issues a warning, recovers gracefully.
   * common.opt:
     Adds new thread safety warning.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180971 from google/main.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180973 from google/main.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180269 from google/main.

2011-11-02   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 180729.

2011-10-25   Xinliang David Li  <davidxl@google.com>

	* profile.c (compute_branch_probablies): recompute
	function frequency summary after profile annotation.

2011-10-24   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 180298.

2011-10-21   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 179421.

2011-10-17  Dehao Chen  <dehao@google.com>

	Add a flag (-frecord-gcc-switches-in-elf) to record compiler
	command line options to .gnu.switches.text sections of
	the object file.
	* coverage.c (write_opts_to_asm): Write the options to
	.gnu.switches.text sections.
	* common.opt: Ditto.
	* opts.h: Ditto.

2011-10-14  DeLesley Hutchins  <delesley@google.com>

   * tree-threadsafe-analyze.c (get_canonical_lock_expr):
     Bugfix: add lock to hash set, even if it refers to a base class

2011-10-14  DeLesley Hutchins  <delesley@google.com>

   * tree-threadsafe-analyze.c (remove_lock_from_lockset):
     Bugfix: shared lock now removed properly when the universal lock 
     is in the exclusive lock set.  

2011-09-30  Sharad Singhai  <singhai@google.com>

	* gcc.c (cc1_options): Add -fno-early-inlining for improved coverage.

2011-09-30  Easwaran Raman  <eraman@google.com>

	* tree-profile.c (gcov_sample_counter_decl): Add GTY marker.
	(gcov_sampling_rate_decl): Likewise.
	(add_sampling_to_edge_counters): Do not free
	instrumentation_to_be_sampled.
	(cleanup_instrumentation_sampling): New function.
	(tree_profiling): Call cleanup_instrumentation_sampling at the end.

2011-09-30  DeLesley Hutchins  <delesley@google.com>

    * tree-threadsafe-analyze.c (process_function_attrs):
      Detect clones and suppress warnings.

2011-09-27  Sriraman Tallam  <tmsriram@google.com>

	* output.h (SECTION_EXCLUDE): New flag for exclude sections.
	* varasm.c (default_elf_asm_named_section): Add "e" to section flags
	marked as SECTION_EXCLUDE.
	* final.c (rest_of_handle_final): Exclude .gnu.callgraph sections.

2011-09-22  Sriraman Tallam  <tmsriram@google.com>

	* cgraphbuild.c (remove_cgraph_callee_edges): Preserve callee edges if
	callgraph profiles are needed.
	* final.c (rest_of_handle_final): Rename .note.callgraph sections as
	.gnu.callgraph sections.
	* tree-optimize.c (gate_all_optimizations): Set
	cgraph_callee_edges_final_cleanup to true.
	(cgraph_callee_edges_final_cleanup): New global variable.
	* params.def (PARAM_NOTE_CGRAPH_SECTION_EDGE_THRESHOLD): Fix comment.

2011-09-22  Guozhi Wei  <carrot@google.com>

	Backport r178995 from trunk.

	2011-09-20  Wei Guozhi  <carrot@google.com>

		PR rtl-optimization/49452
		* postreload.c (reload_combine): Invalidate use information when
		across volatile insn.

2011-09-21   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 179031.

2011-09-15  Easwaran Raman  <eraman@google.com>

	Backport r178898 from google/main.

	2011-09-15  Easwaran Raman  <eraman@google.com>

		* Makefile.in (PLUGIN_HEADERS): Add l-ipo.h.

2011-09-15  Easwaran Raman  <eraman@google.com>

	Backport r176741 from trunk.

	2011-07-22  Romain Geissler  <romain.geissler@gmail.com>
	
		PR plugins/45348
		PR plugins/48425
		PR plugins/46577
		* Makefile.in: Do not flatten c-family directory when installing
		plugin headers.

2011-09-15   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 178854.

2011-9-13  DeLesley Hutchins  <delesley@google.com>

      * tree-threadsafe-analyze.c (get_canonical_lock_expr):
        don't remove & on recursive call

2011-09-01  Sriraman Tallam  <tmsriram@google.com>

	* config/i386/i386.c (build_struct_with_one_bit_fields): New function.
	(make_var_decl): New function.
	(get_field_from_struct): New function.
	(fold_builtin_target): New function.
	(ix86_fold_builtin): New function.
	(ix86_expand_builtin): Expand new builtins by folding them.
	(TARGET_FOLD_BUILTIN): New macro.
	(IX86_BUILTIN_CPU_SUPPORTS_CMOV): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_MMX): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_POPCOUNT): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSE): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSE2): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSE3): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSSE3): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSE4_1): New enum value.
	(IX86_BUILTIN_CPU_SUPPORTS_SSE4_2): New enum value.
	(IX86_BUILTIN_CPU_INIT): New enum value.
	(IX86_BUILTIN_CPU_IS_AMD): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL_ATOM): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL_CORE2): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL_COREI7_NEHALEM): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL_COREI7_WESTMERE): New enum value.
	(IX86_BUILTIN_CPU_IS_INTEL_COREI7_SANDYBRIDGE): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10_BARCELONA): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10_SHANGHAI): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10_ISTANBUL): New enum value.
	* config/i386/libgcc-glibc.ver (__cpu_indicator_init): Export symbol.
	(__cpu_model): Export symbol.
	(__cpu_features): Export symbol.
	* config/i386/i386-builtin-types.def: New function type.

2011-08-24  Mark Heffernan  <meheff@google.com>

	* params.def (hot-bb-count-fraction): Change default value.

2011-08-24   David Li  <davidxl@google.com>

	* profile.c (compute_branch_probabilities): Partially revert
	change in r176997 which led to perf regression of important
	apps.

2011-08-23  Mark Heffernan  <meheff@google.com>

	* basic-block.h (maybe_hot_frequency_p): Add prototype.
	* cgraph.c (dump_cgraph_node): Add field to dump.
	(cgraph_clone_node) Handle new field.
	* cgraph.h (cgraph_node): New field max_bb_count.
	* cgraphbuild.c (rebuild_cgraph_edges): Compute max_bb_count.
	* cgraphunit.c (cgraph_copy_node_for_versioning) Handle new field.
	* common.opt (finline-hot-caller): New option.
	* ipa-inline.c (cgraph_mark_inline_edge) Update max_bb_count.
	(edge_hot_enough_p) New function.
	(cgraph_decide_inlining_of_small_functions) Call edge_hot_enough_p.
	* predict.c (maybe_hot_frequency_p): Remove static keyword and
	guard with profile_info check.
	* testsuite/gcc.dg/tree-prof/inliner-1.c: Add flag.
	* testsuite/gcc.dg/tree-prof/lipo/inliner-1_0.c: Add flag.

2011-08-16  Guozhi Wei  <carrot@google.com>

	Backport r174965 from trunk.

	2011-06-12  Ira Rosen  <ira.rosen@linaro.org>

		* tree-vect-data-refs.c (vect_peeling_hash_get_most_frequent):
		Take number of iterations to peel into account for equally frequent
		misalignment values.

2011-08-11  David Li  <davidxl@google.com>

	* l-ipo.c (process_module_scope_static_func): Promote
	aliases of static symbol in LIPO mode.

2011-08-02   David Li  <davidxl@google.com>

	Port 53689-p2 and 53705-p2 to v15
	* libgcov.c (__gcov_merge_dc): Relax over assertion in 

	dc merging.
2011-07-31  David Li  <davidxl@google.com>

	* tree-optimize.c (execute_fixup_cfg): Fix up entry outgoing
	edge profile counts.
	* profile.c (compute_branch_probabilities): Compute function
	frequency after profile annotation.

2011-07-28  David Li  <davidxl@google.com>

	* coverage.c (coverage_init): Remove checking of profile-use
	flags.

2011-07-25   Rong Xu  <xur@google.com>
	Merge from google/main cherry pick r176592.
	2011-07-21   Rong Xu  <xur@google.com>
		* ipa.c (function_and_variable_visibility): In LIPO mode, call 
		varpool_externally_visible_p() to set the externally visible 
		attribute even for varpool nodes that not marked as needed.
		* l-ipo.c (varpool_do_link): Merge the externally visible 
		attribute for varpool nodes.

2011-07-24  Easwaran Raman  <eraman@google.com>
	Backport r175063 from trunk:
	2011-06-14  Easwaran Raman  <eraman@google.com>
		PR rtl-optimization/44194
		* dse.c: Include tree-flow.h
		(insn_info): Add new field non_frame_wild_read.
		(group_info): Add new fields escaped_n and escaped_p.
		(kill_on_calls): New variable.
		(get_group_info): Initialize gi->escaped_n and gi->escaped_p.
		(dse_step0): Initialize kill_on_calls.
		(can_escape): New function.
		(set_usage_bits): Add additional parameter; record information
		about escaped locations.
		(record_store): Pass EXPR corresponding to MEM to set_usage_bits.
		(dse_step2_nospill): Set kill_on_calls based on
		group->escaped_n and group->escaped_n.
		(add_wild_read): Refactor into...
		(reset_active_stores): ... New function, and
		(free_read_records): ... New function.
		(add_non_frame_wild_read): New function.
		(scan_insn): Call add_non_frame_wild_read on non-const calls.
		(scan_reads_nospill): Handle instructions with non_frame_wild_read.
		(dse_step5_nospill): Call scan_reads_nospill for instructions
		marked as non_frame_wild_read.
		(dse_step7): Free escaped_n, escaped_p and kill_on_calls bitmaps.
	Backport r175384 from trunk:
	2011-06-24  Easwaran Raman  <eraman@google.com>
		PR rtl-optimization/49429
		PR target/49454
		* expr.c (emit_block_move_hints):  Mark MEM_EXPR(x) and
		MEM_EXPR(y) addressable if emit_block_move_via_libcall is
		used to copy y into x.
		* calls.c (initialize_argument_information): Mark
		an argument addressable if it is passed by invisible reference.
		(emit_library_call_value_1): Mark  MEM_EXPR (val) addressable
		if it is passed by reference.

2011-07-19  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 176416.

2011-07-05  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175849.

2011-07-05  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 175816.

2011-06-29  Diego Novillo  <dnovillo@google.com>

	Backport from gcc-4_6-branch

	2011-06-29  Martin Jambor  <mjambor@suse.cz>
		Backport from mainline
		2011-06-24  Martin Jambor  <mjambor@suse.cz>

		PR tree-optimizations/49516
		* tree-sra.c (sra_modify_assign): Choose the safe path for
		aggregate copies if we also did scalar replacements.

2011-06-28  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175583.

2011-06-27  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 175526.

2011-06-27  Diego Novillo  <dnovillo@google.com>

	Google ref 4487457.

	* tree-cfg.c (gate_warn_function_return): New.
	(pass_warn_function_return): Use it.

2011-06-14  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175007.

2011-06-13  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174986.

2011-06-09  Chris Demetriou  <cgd@google.com>

	Backport from google/main r174890:
	2011-06-09  Chris Demetriou  <cgd@google.com>
	* doc/install.texi (--with-warn-frame-larger-than-extra-text): New.
	* configure.ac (--with-warn-frame-larger-than-extra-text): New.
	(WARN_FRAME_LARGER_THAN_EXTRA_TEXT): Define.
	* final.c (final_start_function): Use
	WARN_FRAME_LARGER_THAN_EXTRA_TEXT.
	* configure: Regenerate.
	* config.in: Regenerate.

2011-06-07  Mark Heffernan  <meheff@google.com>

	Merge from google/main cherry pick rev 174789.

2011-06-07  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174706.

2011-06-01  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 174522.

2011-06-01  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174482.

2011-05-25  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 174114.

2011-05-24  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174086.

2011-05-11  Xinliang David Li <davidxl@google.com>
	
	Merge from google/main rev 173636.

2011-05-10  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 173632.

2011-05-10  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 173605.

2011-05-03  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 173305.

2011-05-03  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 173286 (minus rev 173258).

2011-05-02  Diego Novillo  <dnovillo@google.com>

	Google ref 4335466.

	* BASE-VER: Change to 4.6.x-google.

2011-04-18  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 172633.

2011-04-17  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 172617.

2011-04-15  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 172209.

2011-03-31  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 171756.

2011-03-29  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 171512 (4.6.0 release tag).

2011-03-18  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 171163.

2011-03-15  Diego Novillo  <dnovillo@google.com>

	* BASE-VER: Change to 4.6.0-google
	* DEV-PHASE: Change to prerelease.

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Copying and distribution of this file, with or without modification,
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