2012-04-26  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Proper_First_Index): Moved from Sem_Util.
	* einfo.ads: Add new synthesized attribute Proper_First_Index
	along with usage in nodes.
	(Proper_First_Index): Moved from Sem_Util.
	* sem_util.ads, sem_util.adb (Proper_First_Index): Moved to Einfo.

2012-04-26  Gary Dismukes  <dismukes@adacore.com>

	* layout.adb (Layout_Component_List): Test for the case of a
	single variant and the size of its component list was computed
	as an integer literal, and use that size (which is in bits)
	as is rather than converting to storage units.

2012-04-26  Robert Dewar  <dewar@adacore.com>

	* exp_aggr.adb: Minor reformatting.

From-SVN: r186866

2012-04-26  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb: Minor reformatting.

2012-04-26  Thomas Quinot  <quinot@adacore.com>

	* exp_aggr.adb, exp_pakd.adb (Setup_Inline_Packed_Array_Reference,
	Packed_Array_Aggregate_Handled.Get_Component_Val):
	Reverse bit numbering within PAT when Reverse_Storage_Order
	applies to the enclosing record.

2012-04-26  Thomas Quinot  <quinot@adacore.com>

	* freeze.adb (Freeze_Record_Type): Improve error message for
	Scalar_Storage_Order inconsistent with Bit_Order.

From-SVN: r186865

gcc/

	* config/sparc/niagara4.md: New file.
	* config/sparc/sparc.md: Include it.
	* config/sparc/sparc.c (niagara4_costs): New processor costs.
	(sparc_option_override): Use it.
	(sparc_use_sched_lookahead): Return 2 for niagara4.
	(sparc_issue_rate): Likewise.

From-SVN: r186864

gcc/

	* config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
	(fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
	(fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
	fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to
	fgm_mul.
	(alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
	alignaddrldi_vis): Set type to gsr.
	(pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
	(fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
	cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
	v<vis3_shift_patname><mode>3, fmean16_vis,
	fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
	fucmp<code>8<P:mode>_vis): Set type to fga.
	* config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
	* config/sparc/niagara.md: Likewise.
	* config/sparc/niagara2.md: Likewise.
	* config/sparc/ultra3.md: Likewise, and fix type matching for
	us3_ialuX reservation.

From-SVN: r186863

2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* reload.c (find_reloads): Change the loop nesting when trying an
	alternative with swapped operands.

From-SVN: r186861

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