2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
	comment. Delete unused parameter first_exp_point_map.
	(virt_loc_aware_diagnostic_finalizer): Update call.
libcpp/
	* line-map.c (linemap_resolve_location): Synchronize comments with
	those in line-map.h.
	* include/line-map.h (linemap_resolve_location): Fix spelling in
	comment.

From-SVN: r186860

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.


Co-Authored-By: Richard Earnshaw <rearnsha@arm.com>

From-SVN: r186859

From-SVN: r186857

2012-04-25  Benjamin Kosnik  <bkoz@redhat.com>

	*  include/bits/hashtable.h: Adjust doxygen markup for base classes.
	*  include/bits/hashtable_policy.h: Same.

From-SVN: r186856

2012-04-25  Sriraman Tallam  <tmsriram@google.com>

	* config/i386/i386-cpuinfo.c (FEATURE_AVX2): New enum value.
	(get_available_features): New argument. Check for AVX2.
	(__cpu_indicator_init): Modify call to get_available_features.

	* doc/extend.texi: Document avx2 support.
	* config/i386/i386.c (fold_builtin_cpu): Add avx2.

	* testsuite/gcc.target/i386/builtin_target.c: Check avx2.

From-SVN: r186855

From-SVN: r186854

	* gcc.target/powerpc/savres.c: New test.
	* gcc.target/powerpc/powerpc.exp: Run it.

From-SVN: r186850

2012-04-25  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/52689
	* testsuite/17_intro/static.cc: Fix.
	* testsuite/lib/dg-options.exp (dg-require-static-libstdcxx): New.

From-SVN: r186845

	PR target/53120
	* gcc.dg/torture/pr53120.c: New test.

From-SVN: r186844

	PR target/53120
	* config/cris/cris.md ("*andhi_lowpart_v32")
	("*andqi_lowpart_v32"): Change first input-only operand from
	a (match_operand ...) to (match_dup 0).  Drop alternatives with
	const_int-matching constraints for redundancy.
	("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
	three-operand alternative.

From-SVN: r186843

	PR target/53110
	* config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
	instead expand it as zero extension.

From-SVN: r186839

	PR debug/52857
	* dwarf2out.c (dbx_reg_number): Assert return value !=
	INVALID_REGNUM.

From-SVN: r186837

	* include/std/scoped_allocator (scoped_allocator::__outermost): Do
	not pass non-POD to varargs function.
	* testsuite/20_util/scoped_allocator/1.cc: Fix test.

From-SVN: r186836

	* common.opt (flag_debug_types_section): Default to 0.
	(dwarf_version): Default to 4.
	(dwarf_record_gcc_switches): Default to 1.
	(dwarf_strict): Default to 0.
	* toplev.c (process_options): Don't handle dwarf_strict
	or dwarf_version here.
	* config/vxworks.c (vxworks_override_options): Don't
	test whether dwarf_strict or dwarf_version are negative,
	instead test !global_options_set.x_dwarf_*.
	* config/darwin.c (darwin_override_options): Default to
	dwarf_version 2.
	* doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
	and -fno-debug-types-section are now the default.

From-SVN: r186835

	* cgraphunit.c: Update toplevel comment.
	(tree_rest_of_compilation): Merge into cgraph_expand_function.
	(cgraph_analyze_function): Make static.
	(cgraph_decide_is_function_needed): Make static.
	(cgraph_add_new_function): Use expand_function instead of
	rest_of_compilation.
	(clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
	verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
	Move to cgraph.c
	(cgraph_inline_p): Remove.
	(cgraph_preserve_function_body_p): Move to ipa-inline-transform.
	(init_cgraph): Add comment.
	* cgraphbuild.c (record_reference, mark_address, mark_load,
	mark_store): Do not call analyze_expr hook.
	* cgraph.c: Update toplevel comment.
	(clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
	verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
	Move fere from cgraphunit.c
	(cgraph_mark_force_output_node): Move to cgraph.h
	* cgraph.h: Reorder so the comments match the function placement.
	(cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
	(cgraph_mark_force_output_node): Move here from cgraph.c
	* tree.c (free_lang_data): Do not clear analyze_expr hook.
	* ipa-inline-transform.c (preserve_function_body_p): New function.
	(inline_transform): Update.
	* langhooks.c (lhd_callgraph_analyze_expr): Remove.
	* langhooks.h (lang_hooks_for_callgraph): Remove.
	(lang_hooks): Remove callgraph.
	* tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
	* varpool.c: Remove out of date comment.
	* langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
	(LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.

From-SVN: r186832

ChangeLog:

        * config.sub: Update to 2012-04-18 version from official repo.

From-SVN: r186830

2012-04-25  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch9.adb: Add comments on the usage of the
	lock-free data structures.

2012-04-25  Vincent Pucci  <pucci@adacore.com>

	* exp_intr.adb (Expand_Shift): Convert the left
	operand and the operator when the type of the call differs from
	the type of the operator.

2012-04-25  Geert Bosch  <bosch@adacore.com>

	* stand.ads: Minor comment fix.

2012-04-25  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch4.adb (Analyze_Slice): Handle the case where the prefix
	is a string literal. Retrieve the first index from the base type
	when slicing a string literal.
	* sem_ch12.adb (Check_Private_View): Move the initialization
	of the type inside the loop to reflect the changing index.
	* sem_eval.adb (Eval_Relational_Op): Retrieve the first index
	from the base type when dealing with a string literal.
	* sem_res.adb (Resolve_Slice): Retrieve the first index from
	the base type when slicing a string literal.
	* sem_util.adb (Is_Internally_Generated_Renaming): New routine.
	(Is_Object_Reference): String literals may act
	as object references only when they are renamed internally.
	(Proper_First_Index): New routine.
	* sem_util.ads (Proper_First_Index): New routine.

From-SVN: r186829

2012-04-25  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, csinfo.adb, lib-writ.adb, sem_ch12.adb,
	lib-xref.adb: Minor reformatting.

2012-04-25  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb: Rename Lock_Free_Sub_Type
	to Lock_Free_Subprogram. Remove type Subprogram_Id.
	Rename LF_Sub_Table to Lock_Free_Subprogram_Table.
	(Allow_Lock_Free_Implementation): Renamed to
	Allows_Lock_Free_Implementation.  Update the comment on
	lock-free restrictions. Code clean up and restructuring.
	(Build_Lock_Free_Protected_Subprogram_Body): Update the
	profile and related comments. Code clean up and restructuring.
	(Build_Lock_Free_Unprotected_Subprogram_Body): Update the
	profile and related comments. Code clean up and restructuring.
	(Comp_Of): Removed.

From-SVN: r186828

2012-04-25  Vincent Celier  <celier@adacore.com>

	* sem_ch12.adb (Inherit_Context): Compare library units, not
	names of units, when checking if a unit is already in the context.

2012-04-25  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb: Reverse_Storage_Order must be propagated to
	untagged derived record types.

2012-04-25  Ed Schonberg  <schonberg@adacore.com>

	* lib-xref.adb: Adjust position of end label.

From-SVN: r186827

	PR middle-end/53089 
	* cgraphunit.c (referred_to_p): Move ahead in file to avoid forward declaration.
	(cgraph_finalize_function): Finalize them here.
	* symtab.c (dump_symtab): Dump ctors and dtors.

From-SVN: r186820

	PR middle-end/52979
	* stor-layout.c (get_best_mode): Don't return mode with bitsize
	larger than maxbits.  Don't compute maxbits modulo align.
	Also check that unit bytes long store at bitpos / unit * unit
	doesn't affect bits beyond bitregion_end.
	* expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
	would not fit into bitregion_start ... bitregion_end + 1 bit
	region.
	(store_split_bit_field): Decrease unit close to end of bitregion_end
	if access is restricted in order to avoid mutual recursion.

	* gcc.c-torture/compile/pr52979-1.c: New test.
	* gcc.c-torture/execute/pr52979-1.c: New test.
	* gcc.c-torture/execute/pr52979-2.c: New test.

From-SVN: r186819

2012-04-25  Richard Guenther  <rguenther@suse.de>

	* gcc.target/i386/l_fma_float_5.c: Adjust.
	* gcc.target/i386/l_fma_double_4.c: Likewise.
	* gcc.target/i386/l_fma_float_2.c: Likewise.
	* gcc.target/i386/l_fma_float_6.c: Likewise.
	* gcc.target/i386/l_fma_double_1.c: Likewise.
	* gcc.target/i386/l_fma_double_5.c: Likewise.
	* gcc.target/i386/l_fma_float_3.c: Likewise.
	* gcc.target/i386/l_fma_double_2.c: Likewise.
	* gcc.target/i386/l_fma_double_6.c: Likewise.
	* gcc.target/i386/l_fma_float_4.c: Likewise.
	* gcc.target/i386/l_fma_double_3.c: Likewise.
	* gcc.target/i386/l_fma_float_1.c: Likewise.

From-SVN: r186817

	PR tree-optimization/53058
	* double-int.h (double_int_max_value, double_int_min_value): New
	prototypes.
	* double-int.c (double_int_max_value, double_int_min_value): New
	functions.
	* tree-vrp.c (register_edge_assert_for_2): Compare mask
	for LE_EXPR or GT_EXPR with double_int_max_value
	instead of double_int_mask.

	* gcc.c-torture/compile/pr53058.c: New test.

From-SVN: r186816

	PR middle-end/53088
	* gcc.target/i386/pr39082-1.c: Update warning location.

From-SVN: r186815

2012-04-25  Richard Guenther  <rguenther@suse.de>

	* tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
	* tree-vect-loop.c (vect_transform_loop): Adjust.
	* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
	the maximum number of iterations for the epilogue loop.
	(vect_loop_versioning): Remove case re-using the peeled
	epilogue loop.

From-SVN: r186813

	PR c/52880
	* c-typeck.c (set_nonincremental_init,
	set_nonincremental_init_from_string): Pass true instead of false
	as IMPLICIT to add_pending_init.

	* gcc.dg/pr52880.c: New test.

From-SVN: r186808

2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-typeck.c (pop_init_level): Improve diagnostics.
testsuite/
	* gcc.dg/m-un-2.c: Update.
	* gcc.dg/20011021-1.c: Update.

From-SVN: r186807

2012-04-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52196
        * lang.opt (Wrealloc-lhs, Wrealloc-lhs-all): New flags.
        * gfortran.h (gfc_option_t): Add them.
        * options.c (gfc_init_options, gfc_post_options,
        gfc_handle_option): Handle them.
        * invoke.texi: Document them.
        * trans-expr.c (realloc_lhs_warning): New function.
        (gfc_trans_arrayfunc_assign,
        alloc_scalar_allocatable_for_assignment,
        gfc_trans_assignment_1): Use it.

2012-04-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52196
        * gfortran.dg/realloc_on_assign_14.f90: New.

From-SVN: r186806

	* compare-elim.c (try_eliminate_compare): Also handle operands with
	implicit extensions.

From-SVN: r186805

	PR go/52341

crypto/rand: Use io.ReadFull when reading from /dev/urandom.

From-SVN: r186803

	PR go/52583

net: Solaris fixes.

In particular fix fd_select.go to handle the case where a file
descriptor is closed by one goroutine while another goroutine
is waiting for it.

From-SVN: r186801

gcc/
	* config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
	V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
	SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
	(no_global_regs_above): Delete.
	(no_global_regs): New function.
	(rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
	value for load multiple test.
	(savres_routine_syms): Increase size.
	(rs6000_savres_routine_name, rs6000_savres_routine_sym,
	ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
	rather than a number of boolean flags.  Update all callers.
	(rs6000_savres_routine_name): Generate vector save/restore names.
	(rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
	(ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
	(rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
	and using_store_multiple.  Expand uses.  Don't always use r11 as
	frame reg when needed for out-of-line saves.  Set up initial offset
	for out-of-line vector saves when buying stack frame.  Handle pointer
	reg setup for out-of-line fp save.  Emit call to out-of-line vector
	save function.  Choose r11 or r12 for vrsave reg when available for
	better scheduling.
	(rs6000_output_function_prologue): Don't emit .extern for ELF.
	(rs6000_emit_epilogue): Choose a better frame reg when restoring
	from back-chain to suit out-of-line vector restore functions.  Emit
	call to out-of-line vector restore function.  Adjust register used
	for cr restore.  Tweak pointer register setup for gpr restore.
	* config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
	FIXED_R13.
	* config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
	(V_SAVE_INLINE): Define.
	* config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
libgcc/
	* config/rs6000/crtsavevr.S: New file.
	* config/rs6000/crtrestvr.S: New file.
	* config/rs6000/t-savresfgpr: Build the above.
	* config/rs6000/t-netbsd: Likewise.

From-SVN: r186800

	* config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
	out-of-line save/restore for large frames.  Don't disable
	out-of-line saves on ABI_AIX when using static chain reg.
	(rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
	clobber static chain reg, and tweak for out-of-line gpr saves
	that use r1.

From-SVN: r186799

	* config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
	(rs6000_emit_prologue): Use the above to catch register overlap.

From-SVN: r186798

	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
	decl.  Move logic selecting update reg to callers.  Update all callers.
	(rs6000_emit_allocate_stack): Add copy_off param.
	(emit_frame_save): Don't handle reg+reg addressing.
	(ptr_regno_for_savres): New function, extracted from..
	(rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
	(rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
	Set frame_reg_rtx to r11 whenever r11 is needed, and merge
	frame offset adjustment for out-of-line save with copy from sp.
	Simplify condition controlling whether cr is saved early or
	late.  Use ptr_regno_for_savres to verify correct reg is set
	up for out-of-line saves.  Pass the actual pointer reg used to
	rs6000_emit_savres_rtx so rtl matches insns in out-of-line
	function.  Rearrange spe vars so code is similar to that
	elsewhere in this function.  Don't update frame_off when spe
	save code will restore r11.  Use emit_frame_save for spe and
	gpr saves.  Consolidate darwin out-of-line gpr setup with that
	for other abis.  Don't assume frame_offset is zero and frame
	reg is sp when setting up altivec reg saves, and calculate
	exact offset requirement.
	(rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
	spe restore code.  Consolidate darwin out-of-line gpr setup
	with that for other abis.

From-SVN: r186797

	* config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
	REG_FRAME_RELATED_EXPR note when the instruction exactly matches
	the replacement.
	(emit_frame_save): Delete frame_ptr param.  Rename total_size to
	frame_reg_to_sp.
	(rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
	and emit_frame_save calls.  Cope with possibly missing note.

From-SVN: r186796

2012-04-24  Sriraman Tallam  <tmsriram@google.com>

	* libgcc/config/i386/i386-cpuinfo.c: Set __cpu_vendor always.

From-SVN: r186795

2012-04-24  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/52689
	* testsuite/17_intro/static.cc: New.

From-SVN: r186794

From-SVN: r186793

2012-04-24  Sriraman Tallam  <tmsriram@google.com>

This patch adds new builtins to check for cpu type and features. 

* __builtin_cpu_is ("<CPUNAME>")
* __builtin_cpu_supports ("<FEATURE>")

apart from the cpu init builtin, __builtin_cpu_init.

List of CPU names :

* "amd"
* "intel"
* "atom"
* "core2"
* "corei7"
* "nehalem"
* "westmere"
* "sandybridge"
* "amdfam10h"
* "barcelona"
* "shanghai"
* "istanbul"
* "bdver1"
* "bdver2"

List of CPU features :

* "cmov"
* "mmx"
* "popcnt"
* "sse"
* "sse2"
* "sse3"
* "ssse3"
* "sse4.1"
* "sse4.2"
* "avx"

        * config/i386/i386.c (build_processor_model_struct): New function.
        (make_var_decl): New function.
        (fold_builtin_cpu): New function.
        (ix86_fold_builtin): New function.
        (make_cpu_type_builtin): New function.
        (ix86_init_platform_type_builtins): New function.
        (ix86_expand_builtin): Expand new builtins by folding them.
        (ix86_init_builtins): Make new builtins to detect CPU type.
        (TARGET_FOLD_BUILTIN): New macro.
        (IX86_BUILTIN_CPU_INIT): New enum value.
        (IX86_BUILTIN_CPU_IS): New enum value.
        (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
        * config/i386/i386-builtin-types.def: New function type.
        * testsuite/gcc.target/builtin_target.c: New testcase.
        * doc/extend.texi: Document builtins.

        * libgcc/config/i386/i386-cpuinfo.c: New file.
        * libgcc/config/i386/t-cpuinfo: New file.
        * libgcc/config.host: Include t-cpuinfo.
        * libgcc/config/i386/libgcc-glibc.ver: Version symbol __cpu_model.

From-SVN: r186789