gcc/
* config/sparc/sparc.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178869 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/sh/sh.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178868 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/s390/s390.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178867 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/rs6000/rs6000.md: Use match_test rather than eq/ne symbol_ref
throughout file.
* config/rs6000/constraints.md: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178866 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/microblaze/microblaze.md: Use match_test rather than
eq/ne symbol_ref throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178865 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/bfin/bfin.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178864 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-14  François Dumont  <fdumont@gcc.gnu.org>
    Paolo Carlini  <paolo.carlini@oracle.com>

* include/bits/hashtable.h (_Hashtable<>::_M_rehash): Take and restore
hash policy _M_prev_resize on exception.
(_Hashtable<>::_M_insert_bucket): Capture hash policy next resize
before using it and use latter method to have it restored on exception.
(_Hashtable<>::_M_insert(_Arg&& __v, std::false_type): Likewise.
(_Hashtable<>::insert(_InputIterator, _InputIterator): Likewise.
(_Hashtable<>::rehash): Likewise.
* testsuite/23_containers/unordered_set/insert/hash_policy.cc: New.
* testsuite/23_containers/unordered_multiset/insert/hash_policy.cc:
Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178861 138bc75d-0d04-0410-961f-82ee72b054a4

* name-lookup.c (lookup_arg_dependent): Use conditional
timevars.
* decl.c (xref_tag): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178860 138bc75d-0d04-0410-961f-82ee72b054a4

Fix defer/recover at high optimization levels.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178859 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2011-09-14  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/50391
* pt.c (regenerate_decl_from_template): Don't pass an error_mark_node
to build_exception_variant.

/testsuite
2011-09-14  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/50391
* g++.dg/cpp0x/noexcept15.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178857 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-14  Tom de Vries  <tom@codesourcery.com>

* MAINTAINERS (Write After Approval): Add myself.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178856 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-14  Tom de Vries  <tom@codesourcery.com>

PR middle-end/50251
* gcc.dg/pr50251.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178854 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-14  Tom de Vries  <tom@codesourcery.com>

PR middle-end/50251
* explow.c (emit_stack_restore): Set crtl->need_drap if
stack_restore is emitted.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178853 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/arm/arm.c (arm_override_options): Add unaligned_access
support.
(arm_file_start): Emit attribute for unaligned access as
appropriate.
* config/arm/arm.md (UNSPEC_UNALIGNED_LOAD)
(UNSPEC_UNALIGNED_STORE): Add constants for unspecs.
(insv, extzv): Add unaligned-access support.
(extv): Change to expander. Likewise.
(extzv_t1, extv_regsi): Add helpers.
(unaligned_loadsi, unaligned_loadhis, unaligned_loadhiu)
(unaligned_storesi, unaligned_storehi): New.
(*extv_reg): New (previous extv implementation).
* config/arm/arm.opt (munaligned_access): Add option.
* config/arm/constraints.md (Uw): New constraint.
* expmed.c (store_bit_field_1): Adjust bitfield numbering according
to size of access, not size of unit, when BITS_BIG_ENDIAN !=
BYTES_BIG_ENDIAN. Don't use bitfield accesses for
volatile accesses when -fstrict-volatile-bitfields is in effect.
(extract_bit_field_1): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178852 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* simplify-rtx.c (simplify_subreg): Check that the inner mode is
a scalar integer before applying integer-only optimisations to
inner arithmetic.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178848 138bc75d-0d04-0410-961f-82ee72b054a4

* config/mips/mips.c (mips_expand_epilogue): Generate a
simple_return only if the return address is in r31.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178847 138bc75d-0d04-0410-961f-82ee72b054a4

Really add:

2011-09-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34547
        PR fortran/50375
        * gfortran.dg/null_5.f90: New.
        * gfortran.dg/null_6.f90: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178842 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34547
        PR fortran/50375
        * check.c (gfc_check_null): Allow allocatables as MOLD to NULL.
        * resolve.c (resolve_transfer): Reject NULL without MOLD.
        * interface.c (gfc_procedure_use): Reject NULL without MOLD
        if no explicit interface is known.
        (gfc_search_interface): Reject NULL without MOLD if it would
        lead to ambiguity.

2011-09-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34547
        PR fortran/50375
        * gfortran.dg/null_5.f90: New.
        * gfortran.dg/null_6.f90: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178841 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178839 138bc75d-0d04-0410-961f-82ee72b054a4

Always dereference nil receiver passed to value method.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178835 138bc75d-0d04-0410-961f-82ee72b054a4

* cfgcleanup.c (try_head_merge_bb): If get_condition returns
NULL for a jump that is a cc0 insn, pick the previous insn for
move_before.

* gcc.c-torture/compile/20110913-1.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178834 138bc75d-0d04-0410-961f-82ee72b054a4

* testsuite-management: New.
* testsuite-management/validate_failures.py: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178833 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-13  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50379
* symbol.c (check_conflict): Check conflict between GENERIC and RESULT
attributes.

2011-09-13  Janus Weil  <janus@gcc.gnu.org>

PR fortran/50379
* gfortran.dg/result_2.f90: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178829 138bc75d-0d04-0410-961f-82ee72b054a4

Fix inheriting hidden methods with arguments of hidden type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178827 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/v850/v850.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178826 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/pa/pa.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178825 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/mn10300/mn10300.md: Use match_test rather than eq/ne
symbol_ref throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178824 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/m68k/m68k.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178823 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/h8300/h8300.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178822 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/arm/arm.md: Use match_test rather than eq/ne symbol_ref
throughout file.
* config/arm/neon.md: Likewise.
* config/arm/vfp.md: Likewise.
* config/arm/thumb2.md: Likewise.
* config/arm/cortex-m4.md: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178821 138bc75d-0d04-0410-961f-82ee72b054a4

Fix inherited hidden methods that return hidden types.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178818 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-13  Sevak Sargsyan <sevak.sargsyan@ispras.ru>

* config/arm/neon.md (neon_vabd<mode>_2, neon_vabd<mode>_3): New
define_insn patterns for combine.

* gcc.target/arm/neon-combine-sub-abs-into-vabd.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178817 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
2011-09-13  Giuseppe Scrivano  <gscrivano@gnu.org>

* reorg.c: Always define make_return_insns.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178813 138bc75d-0d04-0410-961f-82ee72b054a4

c++/48320 - Template parameter packs cannot be expanded in default template arguments

gcc/cp/

PR c++/48320
* pt.c (template_parameter_pack_p):  Support TEMPLATE_PARM_INDEX
nodes.  Add a comment.
(arg_from_parm_pack_p):  New static function, factorized out from
tsubst_pack_expansion and extended to support non-type parameter
packs represented with TEMPLATE_PARM_INDEX nodes.
(tsubst_pack_expansion): Use arg_from_parm_pack_p.

gcc/testsuite/

PR c++/48320
* g++.dg/cpp0x/variadic116.C: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178811 138bc75d-0d04-0410-961f-82ee72b054a4

PR other/49533
* cgraphunit.c (assemble_thunks_and_aliases): Force alias to be output.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178810 138bc75d-0d04-0410-961f-82ee72b054a4

other/49533
* ipa-inline-transform.c (can_remove_node_now_p): Fix thunkos.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178809 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-13  Paul Brook  <paul@codesourcery.com>

gcc/
* config/arm/arm.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
(ARM_TARGET2_DWARF_FORMAT): Provide default definition.
* config/arm/linux-eabi.h (ARM_TARGET2_DWARF_FORMAT): Define.
* config/arm/symbian.h (ARM_TARGET2_DWARF_FORMAT): Define.
* config/arm/uclinux-eabi.h(ARM_TARGET2_DWARF_FORMAT): Define.
* config/arm/t-bpabi (EXTRA_HEADERS): Add unwind-arm-common.h.
* config/arm/t-symbian (EXTRA_HEADERS): Add unwind-arm-common.h.
* config/c6x/c6x.c (c6x_output_file_unwind): Don't rely on dwarf2 code
enabling unwind tables.
(c6x_debug_unwind_info): New function.
(TARGET_ARM_EABI_UNWINDER): Define.
(TARGET_DEBUG_UNWIND_INFO): Define.
* config/c6x/c6x.h (DWARF_FRAME_RETURN_COLUMN): Define.
(TARGET_EXTRA_CFI_SECTION): Remove.
* config/c6x/t-c6x-elf (EXTRA_HEADERS): Set.
* ginclude/unwind-arm-common.h: New file.

libgcc/
* config.host (tic6x-*-*): Add c6x/t-c6x-elf.  Set unwind_header.
* unwind-c.c (PERSONALITY_FUNCTION): Use UNWIND_POINTER_REG.
* unwind-arm-common.inc: New file.
* config/arm/unwind-arm.c: Use unwind-arm-common.inc.
* config/arm/unwind-arm.h: Use unwind-arm-common.h.
(_GLIBCXX_OVERRIDE_TTYPE_ENCODING): Define.
* config/c6x/libunwind.S: New file.
* config/c6x/pr-support.c: New file.
* config/c6x/unwind-c6x.c: New file.
* config/c6x/unwind-c6x.h: New file.
* config/c6x/t-c6x-elf: New file.

libstdc++-v3/
* libsupc++/eh_arm.cc (__cxa_end_cleanup): Add C6X implementation.
* libsupc++/eh_call.cc (__cxa_call_unexpected): Set rtti_base.
* libsupc++/eh_personality.cc (NO_SIZE_OF_ENCODED_VALUE): Remove
__ARM_EABI_UNWINDER__ check.
(parse_lsda_header): Check _GLIBCXX_OVERRIDE_TTYPE_ENCODING.
(get_ttype_entry): Use generic implementation on ARM EABI.
(check_exception_spec): Use _Unwind_decode_typeinfo_ptr and
UNWIND_STACK_REG.
(PERSONALITY_FUNCTION): Set ttype_base.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178808 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/50358
* config/avr/predicates.md (const_1_to_6_operand): New predicate.
* config/avr/avr.md: (extend_s): New code attribute.
(mul_r_d): New code attribute.
(*maddqihi4, *umaddqihi4): New insns.
(*msubqihi4, *umsubqihi4): New insns.
(*usmaddqihi4, *sumaddqihi4): New insns.
(*usmsubqihi4, *susubdqihi4): New insns.
(*umaddqihi4.uconst, *maddqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst, *msubqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst.ashift): New insn-and-split.
(*msubqihi4.sconst.ashift): New insn-and-split.
(*sumaddqihi4.uconst): New insn-and-split.
(*sumsubqihi4.uconst): New insn-and-split.
* config/avr/avr.c (avr_rtx_costs): Report costs of above in case
PLUS:HI and MINUS:HI.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178806 138bc75d-0d04-0410-961f-82ee72b054a4

SMS: Minor misc. fixes

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178804 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178803 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-12  Daniel Krugler  <daniel.kruegler@googlemail.com>
    Paolo Carlini  <paolo.carlini@oracle.com>

* include/std/tuple (_Head_base<>::_M_head, _Head_base<>::_M_tail,
_Tuple_impl<>::_M_head, _Tuple_impl<>::_M_tail): Change to static
constexpr functions; adjust everywhere.
(__get_helper, get): Declare constexpr all three overloads.
(tuple_cat): Declare constexpr; use late return type to improve
error messages.
* include/std/utility (__pair_get<>::__get, __pair_get<>::__move_get,
__pair_get<>::__const_get, get): Declare all constexpr.
* include/std/array (get): Likewise.
* testsuite/20_util/tuple/creation_functions/constexpr.cc: Re-enable
tuple_cat test.
* testsuite/23_containers/array/constexpr_get.cc: New.
* testsuite/20_util/tuple/element_access/constexpr_get.cc: Likewise.
* testsuite/20_util/pair/constexpr_get.cc: Likewise.
* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust dg-error
line number.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178799 138bc75d-0d04-0410-961f-82ee72b054a4

* rtl.c (copy_rtx): Do not handle frame_related, jump or call
flags specially.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178798 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/50010
* dwarf2cfi.c (add_cfis_to_fde): Ignore non-active insns in between
NOTE_INSN_CFI notes, with the exception of
NOTE_INSN_SWITCH_TEXT_SECTIONS.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178795 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
2011-09-11  Bernd Schmidt  <bernds@codesourcery.com>
    Richard Sandiford  <rdsandiford@googlemail.com>

* config/mips/mips.c (mips_epilogue): New structure.
(mips16e_save_restore_reg): Queue REG_CFA_RESTORE notes when
restoring registers.
(mips_epilogue_emit_cfa_restores): New function.
(mips_epilogue_set_cfa): Likewise.
(mips_restore_reg): Queue REG_CFA_RESTORE notes.  When restoring
the current CFA register from the stack, redefine the CFA in terms
of the stack pointer.
(mips_expand_epilogue): Set up mips_epilogue.  Attach CFA information
to the epilogue instructions.

gcc/testsuite/
* gcc.target/mips/mips.exp (mips_option_groups): Add debug options.
* gcc.target/mips/interrupt_handler-2.c: New test.
* gcc.target/mips/interrupt_handler-3.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178794 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/mips/mips.c (mips16e_save_restore_reg): Add a reg_parm_p
argument.
(mips16e_build_save_restore): Update accordingly.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178793 138bc75d-0d04-0410-961f-82ee72b054a4

* pt.c (type_unification_real): Fix handling of DEDUCE_CONV
with no deducible template parameters.
* call.c (rejection_reason_code): Add rr_template_conversion.
(print_z_candidate): Handle it.
(template_conversion_rejection): New.
(build_user_type_conversion_1): Use it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178791 138bc75d-0d04-0410-961f-82ee72b054a4

* call.c (merge_conversion_sequences): Set bad_p and user_conv_p
on all of the second conversion sequence.
(build_user_type_conversion_1): Set bad_p on the ck_user conv.
(convert_like_real): Handle bad ck_ref_bind with user_conv_p in the
first section.  Fix loop logic.
(initialize_reference): Call convert_like for diagnostics when
we have a (bad) conversion.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178790 138bc75d-0d04-0410-961f-82ee72b054a4

* call.c (convert_class_to_reference)
(convert_class_to_reference_1): Remove.
(reference_binding): Use build_user_type_conversion_1 instead.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178789 138bc75d-0d04-0410-961f-82ee72b054a4

* call.c (initialize_reference): Add flags parm.
* decl.c (grok_reference_init): Likewise.
(check_initializer): Pass it.
* typeck.c (convert_for_initialization): Likewise.
* cp-tree.h: Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178788 138bc75d-0d04-0410-961f-82ee72b054a4

* cp-tree.h (LOOKUP_NO_RVAL_BIND): New.
* call.c (conditional_conversion): Use it.
(reference_binding): Fix handling of xvalues.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178787 138bc75d-0d04-0410-961f-82ee72b054a4

* call.c (implicit_conversion): Check BRACE_ENCLOSED_INITIALIZER_P
before forcing instantiation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178786 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-optimization/50212
* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
Skip also lps with NULL landing_pad or non-LABEL_P landing_pad.

* g++.dg/other/pr50212.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178785 138bc75d-0d04-0410-961f-82ee72b054a4

PR debug/50299
* calls.c (load_register_parameters): Use use_reg_mode instead
of use_reg when adding a single register CALL_INSN_FUNCTION_USAGE
entry.
(expand_call): Set EXPR_LIST mode to TYPE_MODE of the argument
for stack CALL_INSN_FUNCTION_USAGE uses.
* expr.h (use_reg_mode): New prototype.
(use_reg): Changed into inline around use_reg_mode.
* expr.c (use_reg): Renamed to...
(use_reg_mode): ... this.  Added MODE argument, set EXPR_LIST
mode to that mode instead of VOIDmode.
* var-tracking.c (prepare_call_arguments): Don't track parameters
whose EXPR_LIST mode is VOIDmode, BLKmode or X mode isn't convertible
to it using lowpart_subreg.  Convert VALUE and REG/MEM to the
EXPR_LIST mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178784 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
PR target/43746
* config/avr/avr.c (AVR_SECTION_PROGMEM): New Define.
(progmem_section): New Variable.
(avr_asm_init_sections): Initialize it.
(TARGET_ASM_SELECT_SECTION): Define to...
(avr_asm_select_section): ... this new Function.
(avr_replace_prefix): New Function.
(avr_asm_function_rodata_section): Use it.
(avr_insert_attributes): Don't add section attribute for PROGMEM.
(avr_section_type_flags): Use avr_progmem_p instead of section
name to detect if object is in PROGMEM.
(avr_asm_named_section): Set section name prefix for objects in
PROGMEM.

testsuite/
PR target/43746
* testsuite/gcc.target/avr/torture/avr-torture.exp
(AVR_TORTURE_OPTIONS): Add test cases "-O2 -fdata-sections" and
"-O2 -fmerge-all-constants".

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178779 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/50352
* config/arm/arm.md (*push_fp_multi): Add % before %( and %) in the
sprintf format string.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178778 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-12  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50343
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check
that the reduction is over an SSA name before checking its
definition.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178775 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178774 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-11  Daniel Krugler  <daniel.kruegler@googlemail.com>

PR libstdc++/50159
* include/std/tuple (tuple_cat): Reimplement according to the
resolution of LWG 1385.
* include/std/type_traits: Define __and_ and __or_ for zero
arguments too; minor tweaks.
* testsuite/20_util/tuple/creation_functions/tuple_cat.cc: New.
* testsuite/20_util/tuple/creation_functions/constexpr.cc: Disable
for now tuple_cat test.
* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
line numbers.
* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
Likewise.
* doc/xml/manual/status_cxx200x.xml: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178770 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/50327
* frontend-passes.c (dummy_expr_callback):  New function.
(convert_do_while):  New function.
(optimize_namespace):  Call code walker to convert do while loops.

2011-09-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/50327
* gfortran.dg/do_while_1.f90:  New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178768 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-11  Janus Weil  <janus@gcc.gnu.org>

PR fortran/35831
PR fortran/47978
* interface.c (check_dummy_characteristics): New function to check the
characteristics of dummy arguments.
(gfc_compare_interfaces,gfc_check_typebound_override): Call it here.

2011-09-11  Janus Weil  <janus@gcc.gnu.org>

PR fortran/35831
PR fortran/47978
* gfortran.dg/dynamic_dispatch_5.f03: Fix invalid test case.
* gfortran.dg/proc_decl_26.f90: New.
* gfortran.dg/typebound_override_2.f90: New.
* gfortran.dg/typebound_proc_6.f03: Changed wording in error message.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178767 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/utils.c (maybe_unconstrained_array): In the reference
to unconstrained array case, deal with each branch of a COND_EXPR.
* gcc-interface/utils2.c (build_allocator): Deal with each branch of
a COND_EXPR in the initializer, if present.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178766 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/decl.c (maybe_pad_type): Do not try to change the form
of an addressable type.
* gcc-interface/trans.c (gnat_gimplify_expr) <VIEW_CONVERT_EXPR>: New.
Deal with those cases for which creating a temporary is mandatory.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178764 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/trans.c (call_to_gnu): Use local variable.  Make sure
this is a real formal parameter before testing whether it is by ref.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178763 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/gigi.h (build_call_0_expr): Delete.
(build_call_1_expr): Likewise.
(build_call_2_expr): Likewise.
(build_call_n_expr): New prototype.
* gcc-interface/decl.c (gnat_to_gnu_entity): Use build_call_n_expr.
* gcc-interface/trans.c (establish_gnat_vms_condition_handler): Ditto.
(Handled_Sequence_Of_Statements_to_gnu): Likewise.
(Exception_Handler_to_gnu_zcx): Likewise.
(gnat_to_gnu): Likewise.
(build_binary_op_trapv): Likewise.
* gcc-interface/utils2.c (build_call_0_expr): Delete.
(build_call_1_expr): Likewise.
(build_call_2_expr): Likewise.
(build_call_n_expr): New function.
(build_call_raise): Use build_call_n_expr.
(build_call_raise_range): Likewise.
(build_call_raise_column): Likewise.
(build_call_alloc_dealloc_proc): Likewise.
(maybe_wrap_malloc): Likewise.
(maybe_wrap_free): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178762 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/trans.c (build_return_expr): Use void_type_node for
MODIFY_EXPR.
* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Assert that
the result type is null if ENABLE_CHECKING.  Set operation_type at the
end unconditionally if not set in the previous cases.
Use build2 and void_type_node for MODIFY_EXPR.
(build_allocator): Use NULL_TREE for MODIFY_EXPR.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178761 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/cris/cris.md: Use match_test rather than eq/ne symbol_ref
throughout file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178760 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* config/mips/mips.md: Use match_test rather than eq/ne symbol_ref
throughout file.
* config/mips/sb1.md: Likewise.
* config/mips/predicates.md: Replace (match_test "!...")
with (not (match_test "..."))
* config/mips/constraints.md: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178759 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178753 138bc75d-0d04-0410-961f-82ee72b054a4

Check ia32 instead of ilp32.

2011-09-10  H.J. Lu  <hongjiu.lu@intel.com>

* gcc.dg/sibcall-6.c: Check ia32 instead of ilp32.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178749 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/49479
* generated/m4/ifunction.m4:  Always call internal_malloc_size
even when there is a zero-sized return array.
* generated/generated/maxloc1_16_i16.c: Regenerated.
* generated/generated/maxloc1_16_i1.c: Regenerated.
* generated/generated/maxloc1_16_i2.c: Regenerated.
* generated/generated/maxloc1_16_i4.c: Regenerated.
* generated/generated/maxloc1_16_i8.c: Regenerated.
* generated/generated/maxloc1_16_r10.c: Regenerated.
* generated/generated/maxloc1_16_r16.c: Regenerated.
* generated/generated/maxloc1_16_r4.c: Regenerated.
* generated/generated/maxloc1_16_r8.c: Regenerated.
* generated/generated/maxloc1_4_i16.c: Regenerated.
* generated/generated/maxloc1_4_i1.c: Regenerated.
* generated/generated/maxloc1_4_i2.c: Regenerated.
* generated/generated/maxloc1_4_i4.c: Regenerated.
* generated/generated/maxloc1_4_i8.c: Regenerated.
* generated/generated/maxloc1_4_r10.c: Regenerated.
* generated/generated/maxloc1_4_r16.c: Regenerated.
* generated/generated/maxloc1_4_r4.c: Regenerated.
* generated/generated/maxloc1_4_r8.c: Regenerated.
* generated/generated/maxloc1_8_i16.c: Regenerated.
* generated/generated/maxloc1_8_i1.c: Regenerated.
* generated/generated/maxloc1_8_i2.c: Regenerated.
* generated/generated/maxloc1_8_i4.c: Regenerated.
* generated/generated/maxloc1_8_i8.c: Regenerated.
* generated/generated/maxloc1_8_r10.c: Regenerated.
* generated/generated/maxloc1_8_r16.c: Regenerated.
* generated/generated/maxloc1_8_r4.c: Regenerated.
* generated/generated/maxloc1_8_r8.c: Regenerated.
* generated/generated/maxval_i16.c: Regenerated.
* generated/generated/maxval_i1.c: Regenerated.
* generated/generated/maxval_i2.c: Regenerated.
* generated/generated/maxval_i4.c: Regenerated.
* generated/generated/maxval_i8.c: Regenerated.
* generated/generated/maxval_r10.c: Regenerated.
* generated/generated/maxval_r16.c: Regenerated.
* generated/generated/maxval_r4.c: Regenerated.
* generated/generated/maxval_r8.c: Regenerated.
* generated/generated/minloc1_16_i16.c: Regenerated.
* generated/generated/minloc1_16_i1.c: Regenerated.
* generated/generated/minloc1_16_i2.c: Regenerated.
* generated/generated/minloc1_16_i4.c: Regenerated.
* generated/generated/minloc1_16_i8.c: Regenerated.
* generated/generated/minloc1_16_r10.c: Regenerated.
* generated/generated/minloc1_16_r16.c: Regenerated.
* generated/generated/minloc1_16_r4.c: Regenerated.
* generated/generated/minloc1_16_r8.c: Regenerated.
* generated/generated/minloc1_4_i16.c: Regenerated.
* generated/generated/minloc1_4_i1.c: Regenerated.
* generated/generated/minloc1_4_i2.c: Regenerated.
* generated/generated/minloc1_4_i4.c: Regenerated.
* generated/generated/minloc1_4_i8.c: Regenerated.
* generated/generated/minloc1_4_r10.c: Regenerated.
* generated/generated/minloc1_4_r16.c: Regenerated.
* generated/generated/minloc1_4_r4.c: Regenerated.
* generated/generated/minloc1_4_r8.c: Regenerated.
* generated/generated/minloc1_8_i16.c: Regenerated.
* generated/generated/minloc1_8_i1.c: Regenerated.
* generated/generated/minloc1_8_i2.c: Regenerated.
* generated/generated/minloc1_8_i4.c: Regenerated.
* generated/generated/minloc1_8_i8.c: Regenerated.
* generated/generated/minloc1_8_r10.c: Regenerated.
* generated/generated/minloc1_8_r16.c: Regenerated.
* generated/generated/minloc1_8_r4.c: Regenerated.
* generated/generated/minloc1_8_r8.c: Regenerated.
* generated/generated/minval_i16.c: Regenerated.
* generated/generated/minval_i1.c: Regenerated.
* generated/generated/minval_i2.c: Regenerated.
* generated/generated/minval_i4.c: Regenerated.
* generated/generated/minval_i8.c: Regenerated.
* generated/generated/minval_r10.c: Regenerated.
* generated/generated/minval_r16.c: Regenerated.
* generated/generated/minval_r4.c: Regenerated.
* generated/generated/minval_r8.c: Regenerated.
* generated/generated/product_c10.c: Regenerated.
* generated/generated/product_c16.c: Regenerated.
* generated/generated/product_c4.c: Regenerated.
* generated/generated/product_c8.c: Regenerated.
* generated/generated/product_i16.c: Regenerated.
* generated/generated/product_i1.c: Regenerated.
* generated/generated/product_i2.c: Regenerated.
* generated/generated/product_i4.c: Regenerated.
* generated/generated/product_i8.c: Regenerated.
* generated/generated/product_r10.c: Regenerated.
* generated/generated/product_r16.c: Regenerated.
* generated/generated/product_r4.c: Regenerated.
* generated/generated/product_r8.c: Regenerated.
* generated/generated/sum_c10.c: Regenerated.
* generated/generated/sum_c16.c: Regenerated.
* generated/generated/sum_c4.c: Regenerated.
* generated/generated/sum_c8.c: Regenerated.
* generated/generated/sum_i16.c: Regenerated.
* generated/generated/sum_i1.c: Regenerated.
* generated/generated/sum_i2.c: Regenerated.
* generated/generated/sum_i4.c: Regenerated.
* generated/generated/sum_i8.c: Regenerated.
* generated/generated/sum_r10.c: Regenerated.
* generated/generated/sum_r16.c: Regenerated.
* generated/generated/sum_r4.c: Regenerated.
* generated/generated/sum_r8.c: Regenerated.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178748 138bc75d-0d04-0410-961f-82ee72b054a4

Fix using package name as composite literal struct key.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178747 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

* include/std/tuple: Use everywhere std::size_t... instead of int...
* include/std/functional: Likewise.
* include/std/scoped_allocator: Likewise.
* include/bits/stl_pair.h: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178746 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178745 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/49030
* gcc.dg/torture/pr49030.c: Run only if target int32plus.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178736 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Andrew Stubbs  <ams@codesourcery.com>

gcc/
* config/arm/arm-cores.def (generic-armv7-a): New architecture.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm-tune.md: Regenerate.
* config/arm/arm.c (arm_file_start): Output .arch directive when
user passes -mcpu=generic-*.
(arm_issue_rate): Add genericv7a support.
* config/arm/arm.h (EXTRA_SPECS): Add asm_cpu_spec.
(ASM_CPU_SPEC): New define.
* config/arm/elf.h (ASM_SPEC): Use %(asm_cpu_spec).
* config/arm/semi.h (ASM_SPEC): Likewise.
* doc/invoke.texi (ARM Options): Document -mcpu=generic-*
and -mtune=generic-*.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178731 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/testsuite:

PR target/49614
* gcc.dg/vmx/gcc-bug-i.c (inline_me): Declare 'inline'.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178730 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/50328
* tree-vect-loop.c (vect_is_simple_reduction_1): Allow one
constant or default-def operand.

* gcc.dg/vect/fast-math-vect-outer-7.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178728 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Richard Guenther  <rguenther@suse.de>

* tree-ssa-pre.c (create_expression_by_pieces): Fold the
last statement.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178727 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Richard Guenther  <rguenther@suse.de>

* gimple.h (fold_stmt_inplace): Adjust to take a gimple_stmt_iterator
instead of a statement.
* gimple-fold.c (fold_stmt_inplace): Likewise.
* sese.c (graphite_copy_stmts_from_block): Adjust.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
* tree-ssa-forwprop.c (forward_propagate_into_comparison): Use
fold_stmt.
(forward_propagate_addr_into_variable_array_index): Likewise.
(forward_propagate_addr_expr_1): adjust.
(associate_plusminus): Likewise.
(ssa_forward_propagate_and_combine): Likewise.
* tree-ssa-mathopts.c (replace_reciprocal): Adjust.
(execute_cse_reciprocals): Likewise.
* tree-ssa.c (insert_debug_temp_for_var_def): Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178726 138bc75d-0d04-0410-961f-82ee72b054a4

* config/mn10300/mn10300.c (mn10300_split_and_operand_count):
Return a positive value to indicate that the bits at the
bottom of the register should be cleared.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178724 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Richard Guenther  <rguenther@suse.de>

* tree-ssa-operands.c (swap_tree_operands): Always adjust
existing operand positions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178723 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Richard Guenther  <rguenther@suse.de>

PR middle-end/50333
* tree-data-ref.c (split_constant_offset): Do not try to handle
ternary ops.

* gcc.dg/torture/pr50333.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178720 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178717 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/50336
* include/bits/streambuf_iterator.h (class istreambuf_iterator):
Implement LWG 445 in C++0x mode.
* testsuite/24_iterators/istreambuf_iterator/requirements/dr445.cc:
New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178713 138bc75d-0d04-0410-961f-82ee72b054a4

Fix PR c/50332

gcc/testsuite/

* gcc.dg/attr-invalid.c: Adjust as __attribute__((used) is no
longer ignored on typedefs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178712 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/utils.c (unchecked_convert): Use a field of the right
precision when converting to or from an integral type whose precision
is not equal to its size.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178711 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Andrew Stubbs  <ams@codesourcery.com>

PR tree-optimization/50318

gcc/
* tree-ssa-math-opts.c (convert_plusminus_to_widen): Correct
typo in use of mult_rhs1 and mult_rhs2.

gcc/testsuite/
* gcc.target/arm/pr50318-1.c: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178708 138bc75d-0d04-0410-961f-82ee72b054a4

* config/i386.c (standard_sse_constant_opcode): Fix last commit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178705 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.c (standard_sse_constant_p): Handle AVX2 modes.
(standard_sse_constant_opcode) <case 2>: Change vpcmpeqd template.

testsuite/ChangeLog:

2011-09-08  Uros Bizjak  <ubizjak@gmail.com>

* gcc.target/i386/all_one_m256i.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178704 138bc75d-0d04-0410-961f-82ee72b054a4

* config/arm/arm.md (push_multi): Emit predicates.
(push_fp_multi): Likewise.
* config/arm/arm.c (vfp_output_fstmd): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178700 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

* trans-array.c (gfc_trans_constant_array_constructor): Remove
superfluous initialisation of DIM field.
(gfc_trans_array_constructor): Assert that DIMEN field is properly set.
(gfc_conv_expr_descriptor): Ditto.
* trans-expr.c (gfc_conv_procedure_call): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178698 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

* trans-array.h (gfc_get_scalar_ss): New prototype.
* trans-array.c (gfc_get_scalar_ss): New function.
(gfc_walk_variable_expr, gfc_walk_op_expr,
gfc_walk_elemental_function_args): Re-use gfc_get_scalar_ss.
* trans-expr.c (gfc_trans_subarray_assign): Ditto.
(gfc_trans_assignment_1): Ditto.
* trans-stmt.c (compute_inner_temp_size, gfc_trans_where_assign,
gfc_trans_where_3): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178697 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

* trans-array.h (gfc_get_temp_ss): New prototype.
* trans-array.c (gfc_get_temp_ss): New function.
(gfc_conv_resolve_dependencies): Re-use gfc_get_temp_ss.
(gfc_conv_expr_descriptor): Ditto.
* trans-expr.c (gfc_conv_subref_array_arg): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178696 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

* trans-array.h (gfc_get_array_ss): New prototype.
* trans-array.c (gfc_get_array_ss): New function.
(gfc_walk_variable_expr, gfc_walk_function_expr,
gfc_walk_array_constructor): Re-use gfc_get_array_ss.
* trans-expr.c (gfc_trans_subarray_assign): Ditto.
* trans-intrinsic.c (gfc_walk_intrinsic_bound,
gfc_walk_intrinsic_libfunc): Ditto.
* trans-io.c (transfer_array_component): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178695 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2011-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/50324
* typeck2.c (digest_init_r): Call complete_type_or_maybe_complain
instead of complete_type_or_else.

/testsuite
2011-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/50324
* g++.dg/cpp0x/sfinae28.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178694 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/33255 - Support -Wunused-local-typedefs warning

gcc/

* c-decl.c (lookup_name): Use the new
maybe_record_typedef_use.
(pushdecl): Use the new
record_locally_defined_typedef.
(store_parm_decls): Allocate cfun->language.
(finish_function): Use the new maybe_warn_unused_local_typedefs,
and free cfun->language.
(c_push_function_context): Allocate cfun->language here only if
needed.
(c_pop_function_context): Likewise, mark cfun->language
for collection only when it should be done.
* c-common.c (handle_used_attribute): Don't ignore TYPE_DECL
nodes.
* c-typeck.c (c_expr_sizeof_type, c_cast_expr): Use the new
maybe_record_local_typedef_use.

gcc/c-family

* c-common.h (struct c_language_function::local_typedefs): New
field.
(record_locally_defined_typedef, maybe_record_typedef_use)
(maybe_warn_unused_local_typedefs): Declare new functions.
* c-common.c (record_locally_defined_typedef)
(maybe_record_typedef_use)
(maybe_warn_unused_local_typedefs): Define new functions.
* c.opt: Declare new -Wunused-local-typedefs flag.

gcc/cp

* name-lookup.c (pushdecl_maybe_friend_1): Use the new
record_locally_defined_typedef.
* decl.c (finish_function): Use the new
maybe_warn_unused_local_typedefs.
(grokfield): Use the new record_locally_defined_typedef.
* parser.c (lookup_name): Use the new maybe_record_typedef_use.

gcc/doc/

* invoke.texi: Update documentation for -Wunused-local-typedefs.

gcc/testsuite/

* g++.dg/warn/Wunused-local-typedefs.C: New test file.
* c-c++-common/Wunused-local-typedefs.c: Likewise.

libstdc++-v3/

* include/ext/bitmap_allocator.h
(__detail::__mini_vector::__lower_bound): Remove unused typedef.
* src/istream.cc (std::operator>>(basic_istream<char>& __in,
basic_string<char>& __str)): Likewise.
(std::getline): Likewise.
* src/valarray.cc (__valarray_product): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178692 138bc75d-0d04-0410-961f-82ee72b054a4

Improve AGU stalls avoidance optimization.

2011-09-08  Enkovich Ilya  <ilya.enkovich@intel.com>

* config/i386/i386-protos.h (ix86_lea_outperforms): New.
(ix86_avoid_lea_for_add): Likewise.
(ix86_avoid_lea_for_addr): Likewise.
(ix86_split_lea_for_addr): Likewise.

* config/i386/i386.c (LEA_MAX_STALL): New.
(increase_distance): Likewise.
(insn_defines_reg): Likewise.
(insn_uses_reg_mem): Likewise.
(distance_non_agu_define_in_bb): Likewise.
(distance_agu_use_in_bb): Likewise.
(ix86_lea_outperforms): Likewise.
(ix86_ok_to_clobber_flags): Likewise.
(ix86_avoid_lea_for_add): Likewise.
(ix86_avoid_lea_for_addr): Likewise.
(ix86_split_lea_for_addr): Likewise.
(distance_non_agu_define): Search in pred BBs added.
(distance_agu_use): Search in succ BBs added.
(IX86_LEA_PRIORITY): Value changed from 2 to 0.
(LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL.
(ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision.

* config/i386/i386.md: Split added to transform non destructive
add into move and add.
(lea_1): transformed into insn_and_split to avoid AGU stalls.
(lea<mode>_2): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178689 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/50287
* ipa-split.c (split_function): Do not create SSA names for
non-gimple-registers.

* testsuite/gcc.dg/torture/pr50287.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178688 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/19831
* tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Also
skip builtins with vdefs that do not really store something.
(propagate_necessity): For calls to free that we can associate
with an allocation function do not mark the freed pointer
definition necessary.
(eliminate_unnecessary_stmts): Remove a call to free if
the associated call to an allocation function is not necessary.

* gcc.dg/tree-ssa/pr19831-1.c: New testcase.
* gcc.dg/tree-ssa/pr19831-2.c: Likewise.
* gcc.dg/tree-ssa/pr19831-3.c: Likewise.
* gcc.dg/errno-1.c: Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178687 138bc75d-0d04-0410-961f-82ee72b054a4

2011-09-08  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/19831
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark
allocation functions as necessary.

* gcc.dg/tree-ssa/ssa-dce-8.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178683 138bc75d-0d04-0410-961f-82ee72b054a4