PR debug/49382
	* dwarf2out.c (dw_loc_list_node): Add force field.
	(add_var_loc_to_decl): For PARM_DECL, attempt to keep
	the incoming location in the list, even if it is modified
	before first real insn.
	(output_loc_list): Emit empty ranges with force flag set.
	(dw_loc_list): If first range of a PARM_DECL is empty,
	set force flag.

From-SVN: r175076

	PR target/49349
	* sel-sched.c (find_place_for_bookkeeping): Add new parameter
	(fence_to_rewind).  Use it to notice when bookkeeping will be placed
	above a fence.  Update comments.
	(generate_bookkeeping_insn): Rewind fence when bookkeeping code is
	placed just above it.  Do not allow NULL place_to_insert.

From-SVN: r175075

        * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): Remove.
        (slpeel_tree_peel_loop_to_edge): Don't call
        remove_dead_stmts_from_loop.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
        remove irrelevant pattern statements.  For irrelevant statements
        check if it is the last statement of a detected pattern, use
        corresponding pattern statement instead.
        (destroy_loop_vec_info): No need to remove pattern statements,
        only free stmt_vec_info.
        (vect_transform_loop): For irrelevant statements check if it is
        the last statement of a detected pattern, use corresponding
        pattern statement instead.
        * tree-vect-patterns.c (vect_pattern_recog_1): Don't insert
        pattern statements.  Set basic block for the new statement.
        (vect_pattern_recog): Update documentation.
        * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Scan
        operands of pattern statements.
        (vectorizable_call): Fix printing.  In case of a pattern
        statement use the lhs of the original statement when creating
        a dummy statement to replace the original call.
        (vect_analyze_stmt): For irrelevant statements check if it is
        the last statement of a detected pattern, use corresponding
        pattern statement instead.
        * tree-vect-slp.c (vect_schedule_slp_instance): For pattern
        statements use gsi of the original statement.

From-SVN: r175074

	PR c++/49107
	* cp-tree.h (DEFERRED_NOEXCEPT_SPEC_P): Handle overload.
	* method.c (defaulted_late_check): Only maybe_instantiate_noexcept
	if the declaration had an exception-specifier.
	(process_subob_fn): Don't maybe_instantiate_noexcept.
	* pt.c (maybe_instantiate_noexcept): Handle overload.
	* typeck2.c (nothrow_spec_p_uninst): New.
	(merge_exception_specifiers): Add 'fn' parm.  Build up overload.
	* typeck.c (merge_types): Adjust.

From-SVN: r175073

	* pt.c (deduction_tsubst_fntype): Don't save input_location.
	(maybe_instantiate_noexcept): Likewise.

From-SVN: r175072

From-SVN: r175070

	* target-def.h (TARGET_HAVE_NAMED_SECTIONS): Move to
	common/common-target-def.h.
	* target.def (default_target_flags, handle_option,
	supports_split_stack, optimization_table, init_struct,
	except_unwind_info, unwind_tables_default, have_named_sections):
	Move to common/common-target.def.
	* target.h (enum opt_levels, struct default_options): Move to
	common/common-target.h.
	* targhooks.c (default_except_unwind_info,
	dwarf2_except_unwind_info, sjlj_except_unwind_info,
	default_target_handle_option, empty_optimization_table): Move to
	common/common-targhooks.c.
	* targhooks.h (default_except_unwind_info,
	dwarf2_except_unwind_info, sjlj_except_unwind_info,
	default_target_handle_option, empty_optimization_table): Move to
	common/common-targhooks.h.
	* common/common-target-def.h: Include common/common-targhooks.h.
	(TARGET_HAVE_NAMED_SECTIONS): Define if TARGET_ASM_NAMED_SECTION
	defined.
	* common/common-target.def (handle_option, option_init_struct,
	option_optimization_table, default_target_flags,
	except_unwind_info, supports_split_stack, unwind_tables_default,
	have_named_sections): Move from target.def.
	(HOOK_PREFIX): Undefine at end of file.
	* common/common-target.h: Include input.h.
	(enum opt_levels, struct default_options): Move from target.h.
	* common/common-targhooks.c, common/common-targhooks.h: New.
	* config.gcc (target_has_targetm_common): Default to yes.
	(moxie*): Set target_has_targetm_common=no.
	(hppa*-*-*): Don't set target_has_targetm_common=yes.
	* doc/tm.texi: Regenerate.
	* Makefile.in (COMMON_TARGET_H): Add $(INPUT_H).
	(C_TARGET_DEF_H): Add common/common-targhooks.h.
	(GCC_OBJS): Remove vec.o.
	(OBJS): Remove hooks.o and vec.o.
	(OBJS-libcommon-target): Add vec.o, hooks.o and
	common/common-targhooks.o.
	(c-family/c-common.o, c-family/c-cppbuiltin.o, lto-opts.o, tree.o,
	tree-tailcall.o, opts.o, toplev.o, varasm.o, function.o, except.o,
	expr.o, explow.o, dbxout.o, dwarf2out.o, cfgrtl.o, haifa-sched.o,
	cfglayout.o, $(out_object_file), $(common_out_object_file)):
	Update dependencies.
	(common/common-targhooks.o): New.
	* common/config/default-common.c: Include tm.h.  Add FIXME
	comment.
	* common/config/pa/pa-common.c: Include more headers.  Take
	copyright dates from pa.c.
	(pa_option_optimization_table, pa_handle_option,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_HANDLE_OPTION): Move from pa.c.
	* common/config/alpha/alpha-common.c,
	common/config/arm/arm-common.c, common/config/avr/avr-common.c,
	common/config/bfin/bfin-common.c,
	common/config/cris/cris-common.c,
	common/config/fr30/fr30-common.c, common/config/frv/frv-common.c,
	common/config/h8300/h8300-common.c,
	common/config/i386/i386-common.c,
	common/config/ia64/ia64-common.c,
	common/config/iq2000/iq2000-common.c,
	common/config/lm32/lm32-common.c,
	common/config/m32c/m32c-common.c,
	common/config/m32r/m32r-common.c,
	common/config/m68k/m68k-common.c,
	common/config/mcore/mcore-common.c,
	common/config/mep/mep-common.c,
	common/config/microblaze/microblaze-common.c,
	common/config/mips/mips-common.c,
	common/config/mmix/mmix-common.c,
	common/config/mn10300/mn10300-common.c,
	common/config/pdp11/pdp11-common.c,
	common/config/picochip/picochip-common.c,
	common/config/rs6000/rs6000-common.c,
	common/config/rx/rx-common.c, common/config/s390/s390-common.c,
	common/config/score/score-common.c, common/config/sh/sh-common.c,
	common/config/sparc/sparc-common.c,
	common/config/spu/spu-common.c, common/config/v850/v850-common.c,
	common/config/vax/vax-common.c,
	common/config/xstormy16/xstormy16-common.c,
	common/config/xtensa/xtensa-common.c: New.
	* config/alpha/alpha.c: Include common/common-target.h.
	(alpha_option_optimization_table, alpha_handle_option,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to alpha-common.c.
	* config/arm/arm-protos.h (arm_except_unwind_info): Declare.
	* config/arm/arm.c (arm_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO, arm_except_unwind_info): Move to
	arm-common.c.
	* config/avr/avr.c (avr_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move
	to avr-common.c.
	* config/bfin/bfin.c (struct bfin_cpu): Move to bfin.h.
	(bfin_cpus, bfin_handle_option, TARGET_HANDLE_OPTION,
	TARGET_DEFAULT_TARGET_FLAGS): Move to bfin-common.c.
	* config/bfin/bfin.h struct bfin_cpu): Move from bfin.c.
	* config/cris/cris.c (cris_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE, cris_handle_option): Move to
	cris-common.c.
	* config/fr30/fr30.c (fr30_option_optimization_table,
	TARGET_EXCEPT_UNWIND_INFO, TARGET_OPTION_OPTIMIZATION_TABLE): Move
	to fr30-common.c.
	* config/frv/frv.c (frv_option_optimization_table,
	MASK_DEFAULT_ALLOC_CC, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to frv-common.c.
	* config/h8300/h8300.c (h8300_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO): Move to h8300-common.c.
	* config/i386/i386-protos.h (ix86_handle_option): Declare.
	* config/i386/i386.c: Include common/common-target.h.
	(OPTION_MASK_ISA_MMX_SET, OPTION_MASK_ISA_3DNOW_SET,
	OPTION_MASK_ISA_SSE_SET, OPTION_MASK_ISA_SSE2_SET,
	OPTION_MASK_ISA_SSE3_SET, OPTION_MASK_ISA_SSSE3_SET,
	OPTION_MASK_ISA_SSE4_1_SET, OPTION_MASK_ISA_SSE4_2_SET,
	OPTION_MASK_ISA_AVX_SET, OPTION_MASK_ISA_FMA_SET,
	OPTION_MASK_ISA_SSE4_SET, OPTION_MASK_ISA_SSE4A_SET,
	OPTION_MASK_ISA_FMA4_SET, OPTION_MASK_ISA_XOP_SET,
	OPTION_MASK_ISA_LWP_SET, OPTION_MASK_ISA_AES_SET,
	OPTION_MASK_ISA_PCLMUL_SET, OPTION_MASK_ISA_ABM_SET,
	OPTION_MASK_ISA_BMI_SET, OPTION_MASK_ISA_TBM_SET,
	OPTION_MASK_ISA_POPCNT_SET, OPTION_MASK_ISA_CX16_SET,
	OPTION_MASK_ISA_SAHF_SET, OPTION_MASK_ISA_MOVBE_SET,
	OPTION_MASK_ISA_CRC32_SET, OPTION_MASK_ISA_FSGSBASE_SET,
	OPTION_MASK_ISA_RDRND_SET, OPTION_MASK_ISA_F16C_SET,
	OPTION_MASK_ISA_MMX_UNSET, OPTION_MASK_ISA_3DNOW_UNSET,
	OPTION_MASK_ISA_3DNOW_A_UNSET, OPTION_MASK_ISA_SSE_UNSET,
	OPTION_MASK_ISA_SSE2_UNSET, OPTION_MASK_ISA_SSE3_UNSET,
	OPTION_MASK_ISA_SSSE3_UNSET, OPTION_MASK_ISA_SSE4_1_UNSET,
	OPTION_MASK_ISA_SSE4_2_UNSET, OPTION_MASK_ISA_AVX_UNSET,
	OPTION_MASK_ISA_FMA_UNSET, OPTION_MASK_ISA_SSE4_UNSET,
	OPTION_MASK_ISA_SSE4A_UNSET, OPTION_MASK_ISA_FMA4_UNSET,
	OPTION_MASK_ISA_XOP_UNSET, OPTION_MASK_ISA_LWP_UNSET,
	OPTION_MASK_ISA_AES_UNSET, OPTION_MASK_ISA_PCLMUL_UNSET,
	OPTION_MASK_ISA_ABM_UNSET, OPTION_MASK_ISA_BMI_UNSET,
	OPTION_MASK_ISA_TBM_UNSET, OPTION_MASK_ISA_POPCNT_UNSET,
	OPTION_MASK_ISA_CX16_UNSET, OPTION_MASK_ISA_SAHF_UNSET,
	OPTION_MASK_ISA_MOVBE_UNSET, OPTION_MASK_ISA_CRC32_UNSET,
	OPTION_MASK_ISA_FSGSBASE_UNSET, OPTION_MASK_ISA_RDRND_UNSET,
	OPTION_MASK_ISA_F16C_UNSET, ix86_handle_option,
	ix86_option_optimization_table, ix86_option_init_struct,
	ix86_supports_split_stack, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_OPTION_INIT_STRUCT, TARGET_SUPPORTS_SPLIT_STACK): Move to
	i386-common.c.
	* config/i386/t-i386 (i386.o): Update dependencies.
	* config/ia64/ia64-protos.h (ia64_except_unwind_info): Declare.
	* config/ia64/ia64.c (ia64_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	ia64_handle_option): Move to ia64-common.c.
	* config/iq2000/iq2000.c (iq2000_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to iq2000-common.c.
	* config/lm32/lm32.c (lm32_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move
	to lm32-common.c.
	* config/m32c/m32c.c (TARGET_HAVE_NAMED_SECTIONS): Move to
	m32c-common.c.
	* config/m32r/m32r.c (m32r_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO,
	m32r_handle_option): Move to m32r-common.c.
	(m32r_memory_move_cost): Remove comment referring to
	TARGET_HANDLE_OPTION.
	* config/m68k/m68k.c (TARGET_HANDLE_OPTION, m68k_handle_option):
	Move to m68k-common.c.
	* config/mcore/mcore.c (mcore_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO): Move to mcore-common.c.
	* config/mep/mep.c (mep_option_optimization_table,
	mep_handle_option, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS):
	Move to mep-common.c.
	* config/microblaze/microblaze.c
	(microblaze_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO): Move to microblaze-common.c.
	* config/mips/mips.c (mips_handle_option,
	mips_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Move to
	mips-common.c.
	* config/mmix/mmix.c (mmix_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE):
	Move to mmix-common.c.
	* config/mn10300/mn10300.c (mn10300_option_optimization_table,
	mn10300_handle_option, TARGET_EXCEPT_UNWIND_INFO,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to mn10300-common.c.
	* config/pa/pa.c: Include common/common-target.h.
	(pa_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	pa_handle_option): Move to pa-common.c.
	(pa_option_override): Use targetm_common.except_unwind_info.
	(pa_asm_output_mi_thunk, pa_function_section): Use
	targetm_common.have_named_sections.
	* config/pdp11/pdp11.c (pdp11_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT,
	pdp11_handle_option, pdp11_option_init_struct): Move to
	pdp11-common.c.
	* config/picochip/picochip.c (picochip_option_optimization_table,
	TARGET_HAVE_NAMED_SECTIONS, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO): Move to picochip-common.c.
	* config/rs6000/rs6000.c: Include common/common-target.h.
	(rs6000_option_optimization_table, TARGET_HANDLE_OPTION,
	TARGET_OPTION_INIT_STRUCT, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_DEFAULT_TARGET_FLAGS, rs6000_option_init_struct,
	rs6000_handle_option): Move to rs6000-common.c.
	* config/rs6000/t-rs6000 (rs6000.o): Update dependencies.
	* config/rx/rx.c (rx_handle_option, rx_option_optimization_table,
	TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_EXCEPT_UNWIND_INFO): Move to rx-common.c.
	* config/s390/s390.c (processor_flags_table,
	s390_option_optimization_table, s390_option_init_struct,
	s390_handle_option, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE,
	TARGET_OPTION_INIT_STRUCT): Move to s390-common.c.
	* config/s390/s390.h (processor_flags_table): Declare.
	* config/score/score.c (score_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	TARGET_OPTION_OPTIMIZATION_TABLE, MASK_ALL_CPU_BITS,
	score_handle_option): Move to score-common.c.
	* config/sh/sh.c (sh_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION,
	sh_handle_option, sh_option_init_struct): Move to sh-common.c.
	* config/sparc/sparc.c: Include common/common-target.h.
	(sparc_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to sparc-common.c.
	* config/spu/spu.c (TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_OPTION_INIT_STRUCT, TARGET_EXCEPT_UNWIND_INFO,
	spu_option_init_struct): Move to spu-common.c.
	* config/stormy16/stormy16.c (xstorym16_option_optimization_table,
	TARGET_OPTION_OPTIMIZATION_TABLE): Move to xstormy16-common.c.
	* config/v850/v850.c (small_memory_physical_max,
	v850_handle_memory_optionn v850_handle_option,
	v850_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE): Move to
	v850-common.c.
	* config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Move to
	vax-common.c.
	* config/xtensa/xtensa.c (xtensa_option_optimization_table,
	TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE):
	Move to xtensa-common.c.
	* cfglayout.c: Include common/common-target.h.
	(fixup_reorder_chain): Use targetm_common.have_named_sections.
	* cfgrtl.c: Include common/common-target.h.
	(force_nonfallthru_and_redirect, commit_one_edge_insertion): Use
	targetm_common.have_named_sections.
	* dbxout.c: Include common/common-target.h.
	(dbxout_function_end): Use targetm_common.have_named_sections.
	* defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Use
	targetm_common.except_unwind_info.
	* dwarf2out.c: Include common/common-target.h.
	(dwarf2out_do_frame, dwarf2out_do_cfi_asm,
	dwarf2out_begin_prologue, dwarf2out_frame_init,
	dwarf2out_frame_finish, dwarf2out_assembly_start): Use
	targetm_common.except_unwind_info.
	* except.c: Include common/common-target.h.
	(init_eh, finish_eh_generation,
	output_one_function_exception_table): Use
	targetm_common.except_unwind_info.
	(switch_to_exception_section): Use
	targetm_common.have_named_sections.
	* explow.c: Include common/common-target.h.
	* expr.c: Include common/common-target.h.
	(build_personality_function): Use
	targetm_common.except_unwind_info.
	* function.c: Include common/common-target.h.
	(expand_function_end): Use targetm_common.except_unwind_info.
	* haifa-sched.c: Include common/common-target.h.
	(sched_create_recovery_edges): Use
	targetm_common.have_named_sections.
	* lto-opts.c: Include common/common-target.h instead of target.h.
	(lto_reissue_options): Use targetm_common.handle_option.
	* opts.c: Include common/common-target.h.
	(target_handle_option): Use targetm_common.handle_option.
	(init_options_struct): Update comment referring to
	targetm.target_option.optimization.  Use
	targetm_common.default_target_flags,
	targetm_common.unwind_tables_default and
	targetm_common.option_init_struct.
	(default_options_optimization): Use
	targetm_common.option_optimization_table.
	(finish_options): Use targetm_common.except_unwind_info,
	targetm_common.unwind_tables_default,
	targetm_common.have_named_sections and
	targetm_common.supports_split_stack.
	* toplev.c: Include common/common-target.h.
	(process_options): Use targetm_common.have_named_sections.
	* tree-tailcall.c: Include common/common-target.h.
	(suitable_for_tail_call_opt_p): Use
	targetm_common.except_unwind_info.
	* tree.c: Include common/common-target.h.
	(build_common_builtin_nodes): Use
	targetm_common.except_unwind_info.
	* varasm.c: Include common/common-target.h.
	(resolve_unique_section, hot_function_section,
	default_function_section): Use targetm_common.have_named_sections.

ada:
	* gcc-interface/Make-lang.in (gnatbind$(exeext)): Use ggc-none.o.
	(ada/utils.o): Update dependencies.
	* gcc-interface/Makefile.in (EXTRA_GNATTOOLS_OBJS): Add
	../../../libcpp/libcpp.a.
	* gcc-interface/utils.c: Include common/common-target.h.
	(process_attributes): Use targetm_common.have_named_sections.

c-family:
	* c-common.c: Include common/common-target.h.
	(handle_section_attribute): Use
	targetm_common.have_named_sections.
	* c-cppbuiltin.c: Include common/common-target.h.
	(c_cpp_builtins): Use targetm_common.except_unwind_info.

cp:
	* Make-lang.in (cp/method.o): Update dependencies.
	* method.c: Include common/common-target.h.
	(use_thunk): Use targetm_common.have_named_sections.

go:
	* Make-lang.in (go/go-lang.o, go/go-backend.o): Update
	dependencies.
	* go-backend.c: Include common/common-target.h.
	(go_write_export_data): Use targetm_common.have_named_sections.
	* go-lang.c: Include common/common-target.h.
	(go_langhook_init_options_struct): Use
	targetm_common.supports_split_stack.

po:
	* exgettext: Handle common/ directory and subdirectories.

From-SVN: r175064

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 method, and
       (free_read_records): ... New method.
       (add_non_frame_wild_read): New method.
       (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.

testsuite/ChangeLog

2011-06-14  Easwaran Raman  <eraman@google.com>

       PR rtl-optimization/44194
       * gcc.dg/pr44194-1.c: New test.
       * gcc.dg/pr44194-2.c: New test.

From-SVN: r175063

2011-06-14  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/bits/ptr_traits.h (pointer_traits<T*>::pointer_to): Use
	noexcept.

From-SVN: r175057

	* gcc.target/arm/pr45701-1.c: Ignore warnings about conflicting switches.
	* gcc.target/arm/pr45701-2.c: Likewise.
	* gcc.target/arm/thumb-branch1.c: Likewise.

From-SVN: r175056

2011-06-14  Steve Ellcey  <sje@cup.hp.com>

	PR testsuite/48727
	* g++.dg/opt/devirt2.C: Fix scan rules for ia64*-*-hpux* and hppa*-*-*.

From-SVN: r175055

2011-06-14  Steve Ellcey  <sje@cup.hp.com>

	* decl.c (cxx_init_decl_processing): Use ptr_mode instead of Pmode.

From-SVN: r175053

	* common/common-target-def.h, common/common-target.def,
	common/common-target.h, common/config/default-common.c,
	common/config/pa/pa-common.c: New files.
	* Makefile.in (common_out_file, common_out_object_file,
	COMMON_TARGET_H, COMMON_TARGET_DEF_H): New.
	(OBJS-libcommon-target): Include $(common_out_object_file).
	(prefix.o): Update dependencies.
	($(common_out_object_file), common/common-target-hooks-def.h,
	s-common-target-hooks-def-h): New.
	(s-tm-texi): Also check timestamp on common-target.def.
	(build/genhooks.o): Update dependencies.
	* config.gcc (common_out_file, target_has_targetm_common): Define.
	* config/pa/som.h (ALWAYS_STRIP_DOTDOT): Replace with
	TARGET_ALWAYS_STRIP_DOTDOT.
	* configure.ac (common_out_object_file): Define.
	(common_out_file, common_out_object_file): Substitute.
	(common): Create directory.
	* configure: Regenerate.
	* doc/tm.texi.in (targetm_common): Document.
	(TARGET_ALWAYS_STRIP_DOTDOT): Add @hook entry.
	* doc/tm.texi: Regenerate.
	* genhooks.c (hook_array): Also include common/common-target.def.
	* prefix.c (tm.h): Don't include.
	(common/common-target.h): Include.
	(ALWAYS_STRIP_DOTDOT): Don't define.
	(update_path): Use targetm_common.always_strip_dotdot instead of
	ALWAYS_STRIP_DOTDOT.
	* system.h (ALWAYS_STRIP_DOTDOT): Poison.

From-SVN: r175052

From-SVN: r175051

	* gcc.target/arm/pr45701-1.c: Require thumb support.
	* gcc.target/arm/pr45701-2.c: Likewise.
	* gcc.target/arm/thumb-branch1.c: Likewise.

From-SVN: r175047

	* gcc.target/arm/mla-1.c: Ignore warnings about conflicting switches.
	* gcc.target/arm/pr39839.c: Likewise.
	* gcc.target/arm/pr40657-2.c: Likewise.
	* gcc.target/arm/pr40956.c: Likewise.
	* gcc.target/arm/pr41679.c: Likewise.
	* gcc.target/arm/pr42235.c: Likewise.
	* gcc.target/arm/pr42495.c: Likewise.
	* gcc.target/arm/pr42505.c: Likewise.
	* gcc.target/arm/pr42574.c: Likewise.
	* gcc.target/arm/pr46883.c: Likewise.
	* gcc.target/arm/pr46934.c: Likewise.
	* gcc.target/arm/xor-and.c: Likewise.

From-SVN: r175046

From-SVN: r175045

	PR c++/49117
	* call.c (perform_implicit_conversion_flags): Print source type as
	well as expression.

From-SVN: r175044

re PR c++/49389 ([C++0x] Wrong value category for pointer-to-member expression with rvalue object expression)

	PR c++/49389
	* typeck2.c (build_m_component_ref): Preserve rvalueness.

From-SVN: r175043

	PR c++/49369
	* class.c (build_base_path): Fix cv-quals in unevaluated context.

From-SVN: r175042

	PR c++/49290
	* semantics.c (cxx_fold_indirect_ref): Local, more permissive copy
	of fold_indirect_ref_1.
	(cxx_eval_indirect_ref): Use it.

From-SVN: r175041

From-SVN: r175040

2011-06-14  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/valarray (~valarray): Use noexcept.
	* include/bits/unique_ptr.h (~unique_ptr): Likewise.
	* testsuite/26_numerics/valarray/noexcept_move_construct.cc: New.
	* testsuite/20_util/shared_ptr/cons/noexcept_move_construct.cc:
	Likewise.
	* testsuite/20_util/unique_ptr/cons/noexcept_move_construct.cc:
	Likewise.
	* testsuite/20_util/weak_ptr/cons/noexcept_move_construct.cc:
	Likewise.

From-SVN: r175039

2011-06-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47364
	* builtins.c (expand_builtin_strlen): Expand strlen to Pmode
	and properly handle result not in Pmode.

From-SVN: r175034

	* testsuite/libffi.call/huge_struct.c (test_large_fn): Use PRIu8,
	PRId8 instead of %hhu, %hhd.
	* testsuite/libffi.call/ffitest.h [__alpha__ && __osf__] (PRId8,
	PRIu8): Define.
	[__sgi__] (PRId8, PRIu8): Define.

From-SVN: r175032

	* config/i386/kfreebsd-gnu.h: Resync with `config/i386/linux.h'.
	* config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKER): Resync with
	`config/linux.h'.

	* config/i386/kfreebsd-gnu64.h: New file.
	* config.gcc (x86_64-*-kfreebsd*-gnu): Replace `i386/kfreebsd-gnu.h'
	with `i386/kfreebsd-gnu64.h'.

	* config/i386/linux64.h (GNU_USER_LINK_EMULATION32)
	(GNU_USER_LINK_EMULATION64): New macros.
	* config/i386/gnu-user64.h (LINK_SPEC): Rely on
	`GNU_USER_LINK_EMULATION32' and `GNU_USER_LINK_EMULATION64' instead
	of hardcoding `elf_i386' and `elf_x86_64'.

From-SVN: r175031

re PR target/49403 (v850e-elf: incompatible pointer type (near initialization for ‘targetm.memory_move_cost’))

	PR target/49403
	* config/v850/v850.c (v850_memory_move_cost): Add reg_class_t parameter.

	PR target/49402
	* config.gcc(v850*-*-*): Avoid duplication of v850.opt.

From-SVN: r175030

	PR fortran/49103
	* tree.h (DECL_NONSHAREABLE): Define.
	(struct tree_decl_common): Change decl_common_unused to
	decl_nonshareable_flag.
	* cfgexpand.c (expand_used_vars_for_block, clear_tree_used):
	Ignore vars with DECL_NONSHAREABLE bit set.
	* tree-cfg.c (gimple_duplicate_bb): Set DECL_NONSHAREABLE
	on stores to automatic aggregate vars.

	* gfortran.dg/pr49103.f90: New test.

From-SVN: r175028

2011-06-14  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/functional: Use noexcept.
	* include/bits/stl_tempbuf.h: Likewise.

From-SVN: r175026

2011-06-14  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* gcc.target/arm/ivopts-3.c: New test.
	* gcc.target/arm/ivopts-4.c: New test.
	* gcc.target/arm/ivopts-5.c: New test.

From-SVN: r175025

	PR rtl-optimization/49390
	Revert:
	2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>

	* cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
	MEM_ALIAS_SET.

	* gcc.c-torture/execute/pr49390.c: New test.

From-SVN: r175023

2011-06-14  Zdenek Dvorak  <ook@ucw.cz>
	    Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* cfgloop.h (nb_iterations_upper_bound, nb_iterations_estimate):
	Document changed semantics.
	(max_stmt_executions, max_stmt_executions_int): Declare.
	* tree-data-ref.c (estimated_loop_iterations)
	(estimated_loop_iterations_int): Move functions...
	* tree-ssa-loop-niter.c (estimated_loop_iterations)
	(estimated_loop_iterations_int): here.
	(record_estimate): Change nb_iterations_upper_bound and
	nb_iterations_estimate semantics.
	(max_stmt_executions, max_stmt_executions_int): New function.
	* tree-data-ref.c (estimated_loop_iterations_tree): Rename to ...
	(max_stmt_executions_tree): this.
	(analyze_miv_subscript): Use max_stmt_executions_tree instead of
	estimated_loop_iterations_tree.
	tree-ssa-loop-ivopts.c (avg_loop_niter): Use
	max_stmt_executions_int instead of estimated_loop_iterations_int.
	* predict.c (predict_loops): Idem.
	* tree-parloops.c (parallelize_loops): Idem.
	* tree-data-ref.c (analyze_siv_subscript_cst_affine)
	(compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine)
	(init_omega_for_ddr_1): Idem.
	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse)
	(loop_prefetch_arrays): Idem
	* graphite-sese-to-poly.c (build_loop_iteration_domains): Use
	max_stmt_executions instead of estimated_loop_iterations.
	* tree-data-ref.c (estimated_loop_iterations_tree): Idem.
	* tree-vrp.c (adjust_range_with_scev): Use estimated_loop_iterations
	instead of nb_iterations_upper_bound.

Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r175022

From-SVN: r175021

Use kindNoPointers as 6g does.

	* Make-lang.in (go/expressions.o): Depend on $(GO_RUNTIME_H).

From-SVN: r175020

From-SVN: r175019

PR debug/48459
        * dwarf2out.c (frame_pointer_fb_offset_valid): New.
        (based_loc_descr): Assert it's true.
        (compute_frame_pointer_to_fb_displacement): Set it, rather than
        aborting immediately.

From-SVN: r175018

2011-06-14  Sanjin Liu	<scliu@faraday-tech.com>
	    Mingfeng Wu  <mingfeng@faraday-tech.com>

	* doc/invoke.texi: Re-add missing -mcpu docs for Faraday cores.

Co-Authored-By: Mingfeng Wu <mingfeng@faraday-tech.com>

From-SVN: r175017

From-SVN: r175016

	* cgraph.c (cgraph_make_decl_local): Handle DECL_ONE_ONLY
	similarly to DECL_COMDAT.
	* cgraphunit.c (cgraph_analyze_function): Likewise.
	* ipa.c (function_and_variable_visibility): Likewise.

From-SVN: r175015

lto-streamer-out.c (lto_output_ts_binfo_tree_pointers): Do not output BINFO_VIRTUALS when streaming for ltrans unit.

	* lto-streamer-out.c (lto_output_ts_binfo_tree_pointers): Do not output
	BINFO_VIRTUALS when streaming for ltrans unit.

From-SVN: r175014