2011-11-07  Tristan Gingold  <gingold@adacore.com>

	* config/alpha/vms.h (TARGET_OBJECT_SUFFIX,
	TARGET_EXECUTABLE_SUFFIX, TARGET_OS_CPP_BUILTINS,
	TARGET_ABI_OPEN_VMS, LONG_TYPE_SIZE, ADA_LONG_TYPE_SIZE,
	POINTER_SIZE, POINTERS_EXTEND_UNSIGNED): Move to config/vms/vms.h
	(SUBTARGET_OS_CPP_BUILTINS): Define.
	(TARGET_DEFAULT): Tune according to POINTER_SIZE.
	(MASK_RETURN_ADDR): Define in 64 bit mode.
	* config/ia64/vms.h: Likewise.
	* config/vms/vms.h: New file.
	* config/vms/vms64.h: New file.
	* config/alpha/vms64.h: Removed.
	* config/ia64/vms64.h: Removed.
	* config.gcc (alpha64-dec-*vms*, alpha*-dec-*vms*, ia64-hp-*vms*):
	Adjust for above change.

From-SVN: r181078

gcc/
	PR target/50962
	* config/i386/i386-protos.h (ix86_use_lea_for_mov): New.
	* config/i386/i386.c (ix86_use_lea_for_mov): Likewise.
	* config/i386/i386.md (movsi_internal): Emit lea if profitable.
	(movdi_internal_rex64): Likewise.

From-SVN: r181077

	* acinclude.m4: Check for <stdalign.h>
	* configure: Regenerate.
	* config.h.in: Likewise.
	* include/Makefile.am: Add <cstdalign>.
	* include/Makefile.in: Regenerate.
	* include/c_global/cstdalign: New.
	* testsuite/18_support/headers/cstdalign/std_c++0x_neg.cc: New.
	* doc/xml/manual/backwards_compatibility.xml: Update.
	* doc/xml/manual/status_cxx2011.xml: Update.

From-SVN: r181076

gcc/
	PR rtl-optimization/47698
	* ifconv.c (noce_operand_ok): prevent CMOV generation
	for volatile mem.

gcc/testsuite/
	PR rtl-optimization/47698
	* gcc.target/i386/47698.c: New test.

From-SVN: r181075

2011-11-07  Tristan Gingold  <gingold@adacore.com>

	* common/config/alpha/alpha-common.c (alpha_option_init_struct):
	New function.
	(TARGET_OPTION_INIT_STRUCT): Define.
	* config/alpha/alpha.c (TARGET_MIN_ANCHOR_OFFSET)
	(TARGET_MAX_ANCHOR_OFFSET)
	(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Redefine.

From-SVN: r181074

	PR libstdc++/50982
	* include/std/mutex (__once_proxy): Use void parameter list to
	work on implicit extern "C" systems.

From-SVN: r181072

From-SVN: r181071

2011-11-06  Quentin Neill  <quentin.neill@amd.com>

	Fix r180999, update ChangeLog
	* config.gcc: Add f16cintrin.h.
	* f16cintrin.h: Add missing endif.

From-SVN: r181070

	PR c++/35688
gcc/c-common/
	* c-common.c (decl_has_visibility_attr): Split out from...
	(c_determine_visibility): ...here.
	* c-common.h: Declare it.
gcc/cp/
	* decl2.c (constrain_visibility): Check decl_has_visibility_attr
	rather than DECL_VISIBILITY_SPECIFIED.

From-SVN: r181069

2011-11-05  Quentin Neill  <quentin.neill@amd.com>

	Fix r180999.
	* config.gcc: Add f16cintrin.h.

From-SVN: r181068

2011-11-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.host (arm*-*-rtemseabi*): New target.

From-SVN: r181065

2011-11-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (arm*-*-rtemseabi*): New target.
	* config/arm/rtems-eabi.h: New.
	* config/arm/t-rtems-eabi: New.

From-SVN: r181064

	* config/sparc/sparc.md (UNSPEC_SHORT_LOAD): Delete.
	(zero_extend_v8qi_vis, zero_extend_v4hi_vis,
	*zero_extend_v8qi_<P:mode>_insn,
	*zero_extend_v4hi_<P:mode>_insn): Express using vec_merge
	and vec_duplicate instead of using an UNSPEC.

From-SVN: r181063

2011-11-07  Terry Guo  <terry.guo@arm.com>

        * gcc.target/arm/wmul-1.c: Adjust optimization level.
        * gcc.target/arm/wmul-2.c: Ditto.
        * gcc.target/arm/wmul-3.c: Ditto.
        * gcc.target/arm/wmul-4.c: Ditto.

From-SVN: r181062

re PR target/30282 (Optimization flag -O1 -fschedule-insns2 cause red zone to be used when there is none)

	PR target/30282
	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Always emit
	blockage for ABI_V4.

From-SVN: r181056

	* config/i386/cygwin.h (LIBGCJ_SONAME): Updated to match recent
	libgcj version bump.
	* config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.

From-SVN: r181055

	* gcse.c: Adjust outdated comments throughout.
	(struct mem_conflict_info): New structure.
	(mems_conflict_for_gcse_p): Use it to communicate with caller.
	(load_killed_in_block_p): Pass it to note_stores.
	(hash_expr): Remove superfluous line break.
	(hash_scan_set): Rename PAT parameter into SET.
	(hash_scan_insn): Reorder cases.
	(canon_list_insert): Fix long line.
	(edge_list): Delete.
	(prune_expressions): Rename E local variable into EXPR.
	(compute_pre_data): Return struct edge_list * object.
	(pre_expr_reaches_here_p_work): Fix formatting.
	(process_insert_insn): Move around comment.
	(pre_edge_insert): Fix long line.
	(pre_insert_copies): Likewise.
	(gcse_emit_move_after): Swap SRC and DEST parameters.
	(pre_delete): Adjust call to gcse_emit_move_after.
	(pre_gcse): Take struct edge_list * parameter.  Fix long line.
	(one_pre_gcse_pass): Use flag_gcse_lm condition for all routines.
	Use a local list of edges.
	(hoist_code): Fix long line.  Adjust call to gcse_emit_move_after.
	(pre_ldst_expr_hash): Fix long line.
	(free_ldst_mems): Rename into...
	(free_ld_motion_mems): ...this.
	(first_ls_expr): Delete.
	(next_ls_expr): Likewise.
	(print_ldst_list): Do not use above two functions.
	(simple_mem): Adjust interface.
	(compute_ld_motion_mems): Fix formatting.
	(update_ld_motion_stores): Reuse local variable.

From-SVN: r181054

From-SVN: r181053

	* include/bits/basic_string.h (basic_string::at): Move adjacent to other
	overload.
	(basic_string::pop_back): Define.
	* include/debug/string (__gnu_debug::basic_string::pop_back): Likewise.
	* include/ext/vstring.h (__versa_string::pop_back): Likewise.
	* config/abi/pre/gnu.ver: Add new symbols.
	* testsuite/21_strings/basic_string/modifiers/char/pop_back.cc: New.
	* testsuite/21_strings/basic_string/modifiers/wchar_t/pop_back.cc: New.
	* testsuite/21_strings/basic_string/range_access.cc: Split to ...
	* testsuite/21_strings/basic_string/range_access/char/1.cc: Here and ...
	* testsuite/21_strings/basic_string/range_access/wchar_t/1.cc: Here.
	* testsuite/ext/vstring/modifiers/char/pop_back.cc: New.
	* testsuite/ext/vstring/modifiers/wchar_t/pop_back.cc: New.

From-SVN: r181049

	* c-decl.c (shadow_tag_warned, grokdeclarator): Handle _Alignas
	specifiers.
	(build_null_declspecs): Initialize align_log and alignas_p fields.
	(declspecs_add_alignas): New.
	* c-parser.c (c_token_starts_declspecs): Handle RID_ALIGNAS.
	(c_parser_declspecs): Handle _Alignas specifiers.
	(c_parser_alignas_specifier): New.
	(c_parser_alignof_expression): Diagnose alignof use for non-C1X.
	Diagnose _Alignof (expression).
	* c-tree.h (struct c_declspecs): Add align_log and alignas_p
	fields.
	(declspecs_add_alignas): Declare.
	* ginclude/stddef.h (max_align_t): Define for C1X and C++11.
	* ginclude/stdalign.h: New.
	* Makefile.in (USER_H): Add stdalign.h.

c-family:
	* c-common.c (c_common_reswords): Add _Alignas and _Alignof.
	(c_sizeof_or_alignof_type): Diagnose alignof applied to a function
	type.
	(check_user_alignment): New.  Split out of
	handle_aligned_attribute.  Disallow integer constants with
	noninteger types.  Conditionally allow zero.
	(handle_aligned_attribute): Use check_user_alignment.
	* c-common.h (RID_ALIGNAS, check_user_alignment): New.

testsuite:
	* g++.dg/cpp0x/alignof3.C, gcc.dg/c1x-align-1.c,
	gcc.dg/c1x-align-2.c, gcc.dg/c1x-align-3.c, gcc.dg/c1x-align-4.c,
	gcc.dg/c90-align-1.c, gcc.dg/c99-align-1.c: New tests.
	* gcc.dg/gnu89-const-expr-1.c, gcc.dg/gnu90-const-expr-1.c,
	gcc.dg/gnu99-const-expr-1.c, gcc.dg/gnu99-static-1.c: Update
	expected diagnostics.

From-SVN: r181048

	* doc/xml/manual/backwards_compatibility.xml: Fix autoconf tests for
	C++11 compiler features and library headers. Add stable id
	attributes. Use <filename> element for headers and surround in angle
	brackets. Use <classname> for classes.
	* doc/html/*: Regenerate.

From-SVN: r181047

        * regset.h (fixed_reg_set_regset): Declare.
        * dse.c: Include regset.h .
        (struct insn_info): Add member fixed_regs_live.
        (note_add_store_info): New typedef.
        (note_add_store): New function.
        (emit_inc_dec_insn_before): Expect arg to be of type insn_info_t .
        Use gen_add3_insn / gen_move_insn.
        Check new insn for unwanted clobbers before emitting it.
        (check_for_inc_dec): Rename to...
        (check_for_inc_dec_1:) ... this.  Return bool.  Take insn_info
        parameter.  Changed all callers in file.
        (check_for_inc_dec, copy_fixed_regs): New functions.
        (scan_insn): Set fixed_regs_live field of insn_info.
        * rtl.h (check_for_inc_dec): Update prototype.
        * postreload.c (reload_cse_simplify): Take new signature of
        check_ind_dec into account.
        * reginfo.c (fixed_reg_set_regset): New variable.
        (init_reg_sets_1): Initialize it.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r181046

	* doc/xml/manual/status_cxx2011.xml: Document <cuchar> and
	<cstdalign> as missing.

From-SVN: r181045

2011-11-06  Janus Weil  <janus@gcc.gnu.org>

	* gfortran.h (gfc_extend_expr): Modified prototype.
	* interface.c (gfc_extend_expr): Return 'match' instead of 'gfc_try'.
	Remove argument 'real_error'.
	* resolve.c (resolve_operator): Modified call to 'gfc_extend_expr'.

From-SVN: r181044

2011-11-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/47695
	* decl2.c (mark_used): Early return false after error or sorry.
	* cp-tree.h (mark_used): Adjust declaration.
	* semantics.c (finish_id_expression): Check mark_used return value.

From-SVN: r181042

	* doc/xml/faq.xml: Replace references to C++0x with C++11.
	* doc/xml/manual/intro.xml: Likewise.
	* doc/xml/manual/backwards_compatibility.xml: Likewise.
	* doc/xml/manual/shared_ptr.xml: Likewise.
	* doc/xml/manual/configure.xml: Likewise.
	* doc/xml/manual/evolution.xml: Likewise.
	* doc/xml/manual/using.xml: Likewise.
	* doc/xml/manual/strings.xml: Likewise.
	* doc/xml/manual/debug_mode.xml: Likewise.
	* doc/xml/manual/policy_data_structures.xml: Likewise.
	* doc/xml/manual/extensions.xml: Likewise.
	* doc/xml/manual/diagnostics.xml: Likewise.
	* doc/xml/manual/test.xml: Likewise.
	* doc/xml/manual/status_cxx200x.xml: Likewise, and rename to...
	* doc/xml/manual/status_cxx2011.xml: Here.
	* doc/Makefile.am: Rename status_cxx200x.xml.
	* doc/Makefile.in: Regenerate.
	* doc/html/*: Regenerate.

From-SVN: r181041

	* tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove
	any user labels.

From-SVN: r181040

	PR other/50991
	* Makefile.in: Make EXTRA_PARTS depend on libgcc_tm.h instead of
	extra-parts.

From-SVN: r181039

	* config/pa/pa.c (pa_hpux_init_libfuncs): Rename to pa_init_libfuncs.
	Remove dependence of declaration and target define on definition of
	HPUX_LONG_DOUBLE_LIBRARY.  Update implementation.

From-SVN: r181038

2011-11-06  François Dumont <fdumont@gcc.gnu.org>

	* testsuite/performance/23_containers/insert_erase/41975.cc: Add
	tests to check performance with or without cache of hash code and with
	string type that has a costlier hash functor than int type.

From-SVN: r181037

From-SVN: r181031

From-SVN: r181030

	* ipa-prop.c (ipa_modify_call_arguments): Re-compute
	inlinable flag.

From-SVN: r181027

        * tree-vectorizer.h (vectorizable_condition): Add argument.
        * tree-vect-loop.c (vectorizable_reduction): Fail for condition
        in SLP.  Update calls to vectorizable_condition.
        * tree-vect-stmts.c (vect_is_simple_cond): Add basic block info
        to the arguments.  Pass it to vect_is_simple_use_1.
        (vectorizable_condition): Add slp_node to the arguments.
        Support vectorization of basic blocks.  Fail for reduction in
        SLP.  Update calls to vect_is_simple_cond and
        vect_is_simple_use.  Support SLP: call vect_get_slp_defs to get
        vector operands.
        (vect_analyze_stmt): Update calls to vectorizable_condition.
        (vect_transform_stmt): Likewise.
        * tree-vect-slp.c (vect_create_new_slp_node): Handle COND_EXPR.
        (vect_get_and_check_slp_defs): Handle COND_EXPR.  Allow pattern
        def stmts.
        (vect_build_slp_tree): Handle COND_EXPR.
        (vect_analyze_slp_instance): Push pattern statements to root
        node.
        (vect_get_constant_vectors): Fix comments.  Handle COND_EXPR.

From-SVN: r181026

gcc/

	* config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
	(zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
	(*zero_extend_v8qi_<P:mode>_insn,
	*zero_extend_v4hi_<P:mode>_insn): New insns.
	* config/sparc/sparc.c (vector_init_move_words,
	vector_init_prepare_elts, sparc_expand_vector_init_vis2,
	sparc_expand_vector_init_vis1): New functions.
	(vector_init_bshuffle): Rewrite to handle more cases and make use
	of locs[] array prepared by vector_init_prepare_elts.
	(vector_init_fpmerge, vector_init_faligndata): Delete.
	(sparc_expand_vector_init): Rewrite using new infrastructure.

gcc/testsuite/

	* lib/test-supports.exp
	(check_effective_target_ultrasparc_vis2_hw): New proc.
	(check_effective_target_ultrasparc_vis3_hw): New proc.
	* gcc.target/sparc/vec-init-1.inc: New vector init common code.
	* gcc.target/sparc/vec-init-2.inc: Likewise.
	* gcc.target/sparc/vec-init-3.inc: Likewise.
	* gcc.target/sparc/vec-init-1-vis1.c: New test.
	* gcc.target/sparc/vec-init-1-vis2.c: New test.
	* gcc.target/sparc/vec-init-1-vis3.c: New test.
	* gcc.target/sparc/vec-init-2-vis1.c: New test.
	* gcc.target/sparc/vec-init-2-vis2.c: New test.
	* gcc.target/sparc/vec-init-2-vis3.c: New test.
	* gcc.target/sparc/vec-init-3-vis1.c: New test.
	* gcc.target/sparc/vec-init-3-vis2.c: New test.
	* gcc.target/sparc/vec-init-3-vis3.c: New test.

From-SVN: r181024

From-SVN: r181023

	PR libstdc++/44436
	* doc/xml/manual/status_cxx200x.xml: Document emplace members are
	missing.

From-SVN: r181022

From-SVN: r181021

From-SVN: r181017

gcc:
        * config.gcc (epiphany-*-*): New architecture.
        (epiphany-*-elf): New configuration.
        * config/epiphany, common/config/epiphany : New directories.
        * doc/extend.texi (disinterrupt attribute): Add Epiphany.
        (interrupt attribute): Add Epiphany.
        (long_call, short_call attribute): Add Epiphany.
        * doc/invoke.texi (Options): Add Epiphany options.
        * doc/md.texi (Machine Constraints): Add Epiphany constraints.
        * doc/install.texi (Options specification):
        Add --with-stack-offset=@var{num} description.
        (host/target specific issues): Add epiphany-*-elf.
        * doc/contrib.texi (Contributors): Mention Epiphany port.
gcc/testsuite:
        * gcc.c-torture/execute/ieee/mul-subnormal-single-1.x:
        Disable test on Epiphany.
        * gcc.c-torture/execute/20101011-1.c: Disable test on Epiphany.
        * gcc.dg/stack-usage-1.c [__epiphany__] (SIZE): Define.
        * gcc.dg/pragma-pack-3.c: Disable test on Epiphany.
        * g++.dg/parse/pragma3.C: Likewise.
        * stackalign/builtin-apply-2.c (STACK_ARGUMENTS_SIZE): Define.
        (bar): Use it.
        * gcc.dg/weak/typeof-2.c [epiphany-*-*]: Add option -mshort-calls.
        * gcc.dg/tls/thr-cse-1.c: Likewise.
        * g++.dg/opt/devirt2.C: Likewise.
        * gcc.dg/20020312-2.c [epiphany-*-*] (PIC_REG): Define.
        * gcc.dg/builtin-apply2.c [__epiphany__]: (STACK_ARGUMENTS_SIZE): 20.
        * gcc.target/epiphany: New directory.
libgcc:
        * config.host (epiphany-*-elf*): New configuration.
        * config/epiphany: New Directory.
contrib:
        * contrib-list.mk: Add Epiphany configurations.

From-SVN: r181016