tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.

2011-11-16  Tom de Vries  <tom@codesourcery.com>

* tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.

From-SVN: r181392

re PR rtl-optimization/51051 (build fails on cris-elf building libstdc++-v3)

PR rtl-optimization/51051
PR bootstrap/51086
* function.c (thread_prologue_and_epilogue_insns): Guard
emitting return with single_succ_p test.

From-SVN: r181391

sse2-cvt-vec.c: New test.

* gcc.target/i386/sse2-cvt-vec.c: New test.
* gcc.target/i386/avx-cvt-vec.c: Ditto.
* gcc.target/i386/avx-cvt-2-vec.c: Ditto.

From-SVN: r181390

epiphany.md (mov<mode>cc): Fix code to get mode from CMP_OP1 if CMP_OP0 is VOIDmode.

        * config/epiphany/epiphany.md (mov<mode>cc): Fix code to
        get mode from CMP_OP1 if CMP_OP0 is VOIDmode.

From-SVN: r181388

sse.md (vec_pack_trunc_v2df): Optimize sequence for AVX.

* config/i386/sse.md (vec_pack_trunc_v2df): Optimize sequence for AVX.
(vec_pack_sfix_trunc_v2df): Ditto.
(vec_pack_sfix_v2df): Ditto.
(vec_pack_sfix_trunc_v4df): Generate fix_truncv4dfv4si2 and
avx_vec_concatv8si patterns.
(vec_pack_sfix_v4df): Generate avx_cvtpd2dq256 and
avx_vec_concatv8si patterns.

testsuite/ChangeLog:

* gcc.target/i386/avx-floor-sfix-2-vec.c: New test.
* gcc.target/i386/avx-ceil-sfix-2-vec.c: Ditto.
* gcc.target/i386/avx-rint-sfix-2-vec.c: Ditto.
* gcc.target/i386/avx-round-sfix-2-vec.c: Ditto.

From-SVN: r181387

gcc-simulate-thread.exp (simulate-thread): Do not run on powerpc*-*-darwin* targets.

gcc/testsuite:

* lib/gcc-simulate-thread.exp (simulate-thread): Do not run on
powerpc*-*-darwin* targets.

From-SVN: r181384

Require parentheses when parsing transaction expressions.

gcc/
* c-parser.c (c_parser_transaction_expression): Require parentheses
when parsing transaction expressions.

gcc/cp/
* parser.c (cp_parser_transaction_expression): Require parentheses
when parsing transaction expressions.

gcc/testsuite/
* c-c++-common/tm/trxn-expr-3.c: New test.

From-SVN: r181383

re PR libstdc++/51133 (Incorrect implementation of std::tr1::hermite())

2011-11-15  Jason Dick  <dickphd@gmail.com>

PR libstdc++/51133
* include/tr1/poly_hermite.tcc (__poly_hermite_recursion): Fix
wrong sign in recursion relation.

From-SVN: r181381

incpath.c (get_added_cpp_dirs): New function.

2011-11-15  Tristan Gingold  <gingold@adacore.com>

* incpath.c (get_added_cpp_dirs): New function.
* incpath.h (get_added_cpp_dirs): Declare.
* config/vms/vms-c.c (vms_c_register_includes): New function.
(vms_std_modules): New variable.
* config/vms/vms.h (TARGET_EXTRA_INCLUDES): Define.
(vms_c_register_includes): Declare.

From-SVN: r181380

c-pragma.h (pragma_extern_prefix): Declare.

2011-11-15  Tristan Gingold  <gingold@adacore.com>

* c-family/c-pragma.h (pragma_extern_prefix): Declare.
* c-family/c-pragma.c (pragma_extern_prefix): Make it public.
* config/vms/vms-c.c (saved_extern_prefix): New variable.
(vms_pragma_extern_prefix): New function.
(vms_c_register_pragma): Register vms_pragma_extern_prefix.

From-SVN: r181379

re PR target/49868 (Implement named address space to place/access data in flash memory)

gcc/
PR target/49868
* config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
(REGISTER_TARGET_PRAGMAS): New define.
* config/avr/avr-protos.h (avr_mem_pgm_p): New.
(avr_load_libgcc_p): New.
(asm_output_external_libcall): Remove.
(avr_register_target_pragmas): New.
(avr_log_t): Add field "progmem".  Order alphabetically.
* config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
* config/avr/avr-c.c (langhooks.h): New include.
(avr_register_target_pragmas): New function. Register address
space __pgm.
(avr_cpu_cpp_builtins): Add built-in define __PGM.
* config/avr/avr.c: Include "c-family/c-common.h".
(TARGET_LEGITIMATE_ADDRESS_P): Remove define.
(TARGET_LEGITIMIZE_ADDRESS): Remove define.
(TARGET_ADDR_SPACE_SUBSET_P): Define to...
(avr_addr_space_subset_p): ...this new static function.
(TARGET_ADDR_SPACE_CONVERT): Define to...
(avr_addr_space_convert): ...this new static function.
(TARGET_ADDR_SPACE_ADDRESS_MODE): Define to...
(avr_addr_space_address_mode): ...this new static function.
(TARGET_ADDR_SPACE_POINTER_MODE): Define to...
(avr_addr_space_pointer_mode): ...this new static function.
(TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define to...
(avr_addr_space_legitimate_address_p): ...this new static function.
(TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Define to...
(avr_addr_space_legitimize_address): ...this new static function.
(avr_mode_code_base_reg_class): Handle address spaces.
(avr_regno_mode_code_ok_for_base_p): Ditto.
(lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
(avr_option_override): Initialize them.
(output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
variables.
(avr_pgm_segment): New static function.
(avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
(avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
(output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
avr_out_lpm to handle loads from progmem.
(avr_load_libgcc_p): New static function.
(avr_progmem_p): Test if decl is in flash.
(avr_pgm_pointer_const_p): New static function.
(avr_nonconst_pointer_addrspace): New static function.
(avr_pgm_check_var_decl): New static function.
(avr_insert_attributes): Use it.  Change error message to report
cause (progmem or address space) when code wants to write to flash.
(avr_section_type_flags): Unset section flag SECTION_BSS for
data in progmem.
* config/avr/predicates.md (nop_general_operand): New predicate.
(nox_general_operand): New predicate.
* config/avr/avr.md (LPM_REGNO): New define_constant.
(load<mode>_libgcc): New expander.
(*load.<mode>.libgcc): New insn.
(mov<mode>): Handle loads from non-generic AS.
(movmemhi): Ditto.  Propagate address space information to newly
created MEM.
(movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
to nox_general_operand.
(ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to nop_general_operand.
(ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
(lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
(split-lpmx): New split.
(*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
*lshrhi3_const, *lshrsi3_const): Indent, unquote C.

libgcc/
PR target/49868
* config/avr/t-avr (LIB1ASMFUNCS): Add _load_3,  _load_4.
* config/avr/lib1funcs.S (__load_3, __load_4, __xload_2): New functions.

From-SVN: r181378

ipa-cp.c (ipa_value_from_jfunc): Make global.

* ipa-cp.c (ipa_value_from_jfunc): Make global.
(ipa_cst_from_jfunc): Remove, use ipa_value_from_jfunc instead.
(get_indirect_edge_target): Rename, make global.
(devirtualization_time_bonus, estimate_local_effects,)
(ipcp_discover_new_direct_edges): Update.
* ipa-inline-analysis.c (evaluate_conditions_for_edge):
Generalize to also handle types.  Rename to ...
(evaluate_properties_for_edge): Use instead of
evaluate_conditions_for_edge.
(estimate_edge_devirt_benefit): New function.
(estimate_calls_size_and_time): Use it.
(estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,)
(inline_merge_summary): Update.
(do_estimate_edge_time, do_estimate_edge_growth): Update.  Calculate
parameter information at the call site and pass it on to subroutines.
* tree-inline.c (estimate_num_insns): Distinguish between direct and
indirect calls.
(init_inline_once): Set size and time costs or indirect calls.
* tree-inline.h (eni_weights): Add indirect_call_cost.

From-SVN: r181377

Daily bump.

From-SVN: r181376

re PR tree-optimization/51005 (-ftree-tail-merge slows down compilation of 20001226-1.c)

2011-11-15  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/51005
* tree-ssa-tail-merge.c (delete_basic_block_same_succ): Rename to
mark_basic_block_deleted.
(update_worklist): Inline purge_bbs.
(purge_bbs, unlink_virtual_phi, update_vuses, vop_at_entry)
(delete_block_update_dominator_info): Remove.
(replace_block_by): Remove update_vops parameter.  Partially evaluate
for update_vops == false.
(apply_clusters): Remove update_vops parameter.  Remove update_vops
argument in replace_block_by call.
(update_debug_stmts): Remove MAY_HAVE_DEBUG_STMTS test.
(tail_merge_optimize): Remove update_vops argument to apply_clusters.
Remove call to purge_bbs.  Add calls to calculate_dominance_info and
free_dominance_info.  Add MAY_HAVE_DEBUG_STMTS before calling
update_debug_stmts.  Mark vop var for renaming, if necessary.

From-SVN: r181372

re PR rtl-optimization/51051 (build fails on cris-elf building libstdc++-v3)

PR rtl-optimization/51051
* cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
move would cause fallthrough into the exit block.

From-SVN: r181371

rs6000: Rewrite sync patterns for atomic; expand early.

The conversion of the __sync post-reload splitters was half
complete.  Since there are nearly no restrictions on what may
appear between LL and SC, expand all the patterns immediatly.
This allows significantly easier code generation for subword
atomic operations.

From-SVN: r181370

sse.md (round<mode>2): Use register_operand for operand 1 predicate.

* config/i386/sse.md (round<mode>2): Use register_operand for
operand 1 predicate.
(round<mode>2_sfix): Ditto.
(round<mode>2_vec_pack_sfix): Ditto for operand 1 and operand 2.

From-SVN: r181369

runtime: Use some of 6g runtime.c for easier merging.

From-SVN: r181368

* gcov.c (canonicalize_name): Protect use of S_ISLNK.

From-SVN: r181367

Trivial: add cleanup-tree-dump in testcase, fix typo in comment.

gcc/testsuite:
* g++.dg/tm/template-1.C: Add cleanup-tree-dump. Fix typo in comment.

From-SVN: r181366

i386.c (core cost model): Correct pasto.

gcc:

2011-11-14  Jan Hubicka  <jh@suse.cz>

* config/i386/i386.c (core cost model): Correct pasto.

From-SVN: r181365

avx-recip-vec.c: New test.

* gcc.target/i386/avx-recip-vec.c: New test.
* gcc.target/i386/avx-lrintf-vec.c: Ditto.
* gcc.target/i386/avx-lrint-vec.c: Ditto.
* gcc.target/i386/avx-ceilf-vec.c: Include sse4_1-ceilf-vec.c.
* gcc.target/i386/avx-ceil-vec.c: Include sse4_1-ceil-vec.c.
* gcc.target/i386/avx-floorf-vec.c: Include sse4_1-floorf-vec.c.
* gcc.target/i386/avx-floor-vec.c: Include sse4_1-floor-vec.c.
* gcc.target/i386/avx-rintf-vec.c: Include sse4_1-rintf-vec.c.
* gcc.target/i386/avx-rint-vec.c: Include sse4_1-rint-vec.c.
* gcc.target/i386/avx-roundf-vec.c: Include sse4_1-roundf-vec.c.
* gcc.target/i386/avx-round-vec.c: Include sse4_1-round-vec.c.
* gcc.target/i386/avx-truncf-vec.c: Include sse4_1-truncf-vec.c.
* gcc.target/i386/avx-trunc-vec.c: Include sse4_1-trunc-vec.c.
* gcc.target/i386/avx-copysignf-vec.c: Include sse-copysignf-vec.c.
* gcc.target/i386/avx-copysign-vec.c: Include sse2-copysign-vec.c.

From-SVN: r181364

re PR c++/51107 ([C++11] Accepts invalid literal operator with void argument list.)

PR c++/51107
* typeck.c (check_literal_operator_args): Add processing_specialization
to check for void template fn. Test for exact arity for non-template fn.

From-SVN: r181363

sse.md (round<mode>2_sfix): New expander.

* config/i386/sse.md (round<mode>2_sfix): New expander.
(round<mode>2_vec_pack_sfix): Ditto.
(<sse4_1>_round<ssemodesuffix>_sfix<avxsizesuffix>): Ditto.
(<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
* config/i386/builtin-types.def (V4SI_FTYPE_V4SF_ROUND,
V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND,
V8SI_FTYPE_V4DF_V4DF_ROUND): New builtin types.
* config/i386/i386.c (ix86_builtins): Add
IX86_BUILTIN_{FLOORPD,CEILPD,ROUNDPD_AZ}_VEC_PACK_SFIX{,256} and
IX86_BUILTIN_{FLOORPS,CEILPS,ROUNDPS_AZ}_SFIX{,256} defines.
(bdesc_args): Add __builtin_ia32_{floorpd,ceilpd}_vec_pack_sfix{,256},
__builtin_ia32_roundpd_az_vec_pack_sfix{,256},
__builtin_ia32_{floorps,ceilps}_sfix{,256}and
__builtin_ia32_roundps_az_sfix{,256} descriptions.
(ix86_expand_sse_round_vec_pack_sfix): New.
(ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SF_ROUND,
V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND and
V8SI_FTYPE_V4DF_V4DF_ROUND types.  Check last argument of
CODE_FOR_sse4_1_roundpd_vec_pack_sfix, CODE_FOR_sse4_1_roundps_sfix,
CODE_FOR_avx_roundpd_vec_pack_sfix256 and CODE_FOR_avx_roundps_sfix256.
(ix86_builtin_vectorized_function): Handle
BUILT_IN_{I,L,LL}FLOOR{,F}, BUILT_IN_{I,L,LL}CEIL{,F} and
BUILT_IN_{I,L,LL}ROUND{,F}

testsuite/ChangeLog:

* gcc.target/i386/sse4_1-floor-sfix-vec.c: New test.
* gcc.target/i386/sse4_1-floorf-sfix-vec.c: Ditto.
* gcc.target/i386/avx-floor-sfix-vec.c: Ditto.
* gcc.target/i386/avx-floorf-sfix-vec.c: Ditto.
* gcc.target/i386/sse4_1-ceil-sfix-vec.c: Ditto.
* gcc.target/i386/sse4_1-ceilf-sfix-vec.c: Ditto.
* gcc.target/i386/avx-ceil-sfix-vec.c: Ditto.
* gcc.target/i386/avx-ceilf-sfix-vec.c: Ditto.
* gcc.target/i386/sse4_1-round-sfix-vec.c: Ditto.
* gcc.target/i386/sse4_1-roundf-sfix-vec.c: Ditto.
* gcc.target/i386/avx-round-sfix-vec.c: Ditto.
* gcc.target/i386/avx-roundf-sfix-vec.c: Ditto.

From-SVN: r181361

Check  ia32 instead of ilp32.

2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>

* testsuite/lib/libitm.exp: Check ia32 instead of ilp32.

From-SVN: r181360

re PR c++/6936 (member "using" binds wrong)

PR c++/6936
PR c++/25994
PR c++/26256
PR c++/30195
* search.c (lookup_field_1): Look through USING_DECL.
(lookup_field_r): Call lookup_fnfields_slot instead of
lookup_fnfields_1.
* semantics.c (finish_member_declaration): Remove the check that
prevents USING_DECLs from being verified by
pushdecl_class_level. Call add_method for using declarations that
designates functions if the using declaration is in a template
class. Set DECL_IGNORED_P on class-scope using declarations.
* typeck.c (build_class_member_access_expr): Handle USING_DECLs.
* class.c (check_field_decls): Keep using declarations.
(add_method): Remove two diagnostics about conflicting using
declarations.
* parser.c (cp_parser_nonclass_name): Handle USING_DECLs.
* decl.c (start_enum): Call xref_tag whenever possible.
* cp-tree.h (strip_using_decl): Declare, and reident the previous
function.
* name-lookup.c (strip_using_decl): New function.
(supplement_binding_1): Call strip_using_decl on decl and
bval. Perform most of the checks with USING_DECLs stripped.  Also
check that the target decl and the target bval does not refer to
the same declaration. Allow pushing an enum multiple times in a
template class. Adjustment to diagnose using redeclarations. Call
diagnose_name_conflict.
(push_class_level_binding): Call strip_using_decl on decl and
bval. Perform most of the checks with USING_DECLs stripped. Return
true if both decl and bval refer to USING_DECLs and are dependent.
(diagnose_name_conflict): New function.

From-SVN: r181359

re PR middle-end/50598 (Undefined symbols: "___emutls_v.*", ... on *-apple-darwin*)

PR middle-end/50598
* cgraph.h (varpool_externally_visible_p): Declare.
(varpool_add_new_variable): Declare.
* tree-emultls.c (get_emutls_init_templ_addr,
new_emutls_decl): Use varpool_add_new_variable.
* ipa.c (varpool_externally_visible_p): Export.
* varpool.c (varpool_add_new_variable): New function.

From-SVN: r181358

sw-1.c: Force rep;movsb.

* gcc.target/i386/sw-1.c: Force rep;movsb.

        * config/i386/i386.h (processor_costs): Add second dimension to
        stringop_algs array.
        * config/i386/i386.c (cost models): Initialize second dimension of
        stringop_algs arrays.
(core_cost): New costs based on generic64 costs with updated stringop
values.
        (promote_duplicated_reg): Add support for vector modes, add
        declaration.
        (promote_duplicated_reg_to_size): Likewise.
(processor_target): Set core costs for core variants.
        (expand_set_or_movmem_via_loop_with_iter): New function.
        (expand_set_or_movmem_via_loop): Enable reuse of the same iters in
        different loops, produced by this function.
        (emit_strset): New function.
        (expand_movmem_epilogue): Add epilogue generation for bigger sizes,
        use SSE-moves where possible.
        (expand_setmem_epilogue): Likewise.
        (expand_movmem_prologue): Likewise for prologue.
        (expand_setmem_prologue): Likewise.
        (expand_constant_movmem_prologue): Likewise.
        (expand_constant_setmem_prologue): Likewise.
        (decide_alg): Add new argument align_unknown.  Fix algorithm of
        strategy selection if TARGET_INLINE_ALL_STRINGOPS is set; Skip sse_loop
        (decide_alignment): Update desired alignment according to chosen move
        mode.
        (ix86_expand_movmem): Change unrolled_loop strategy to use SSE-moves.
        (ix86_expand_setmem): Likewise.
        (ix86_slow_unaligned_access): Implementation of new hook
        slow_unaligned_access.
        * config/i386/i386.md (strset): Enable half-SSE moves.
        * config/i386/sse.md (vec_dupv4si): Add expand for vec_dupv4si.
        (vec_dupv2di): Add expand for vec_dupv2di.

Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r181357

re PR bootstrap/51094 (Bootstrap failure at revision 181279 on non-ELF targets)

PR bootstrap/51094
PR middle-end/51116
* config/elfos.h (TARGET_ASM_INTERNAL_LABEL): Remove.
* varasm.c (default_elf_internal_label): Remove.

From-SVN: r181355

gcov.c (generate_results): Add missing semicolon and correct indent.

        * gcov.c (generate_results): Add missing semicolon and
        correct indent.

From-SVN: r181353

re PR testsuite/51059 (FAIL: gcc.misc-tests/gcov-14.c (test for excess errors) on *-apple-darwin*)

gcc/testsuite:

PR testsuite/51059
* gcc.misc-tests/gcov-14.c (dg-options): Adjust to use
dg-additional-options.

From-SVN: r181350

cmath (frexp, [...]): Do not mark constexpr, not viable anyway due to the pointer parameter.

2011-11-14  Paolo Carlini  <paolo.carlini@oracle.com>

* include/c_global/cmath (frexp, modf, remquo): Do not mark constexpr,
not viable anyway due to the pointer parameter.

From-SVN: r181349

re PR fortran/51073 (_gfortran_caf_register incorrectly assumes malloc(0) returns non-NULL)

2011-11-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51073
        * trans-decl.c (generate_coarray_sym_init): Handle zero-sized
        * arrays.

From-SVN: r181348

re PR bootstrap/51112 (LTO bootstrap failed with bootstrap-profiled)

        PR bootstrap/51112
        * tree-vect-stmts.c (vectorizable_condition): Initialize
        comp_vectype.

From-SVN: r181347

Fix a cross reference.

From-SVN: r181346

Daily bump.

From-SVN: r181345

cmath (atan2, [...]): Simplify constraining on the return type.

2011-11-13  Paolo Carlini  <paolo.carlini@oracle.com>

* include/c_global/cmath (atan2, fmod, pow, copysign, fdim,
fma, fmax, fmin, hypot, nextafter, remainder, remquo): Simplify
constraining on the return type.
* include/tr1/cmath (copysign, fdim, fma, fmax, fmin, hypot,
nextafter, remainder, remquo): Likewise.

From-SVN: r181341

re PR target/50694 (SH Target: SH2A little endian does not actually work)

PR target/50694
* config/sh/sh.h (IS_LITTLE_ENDIAN_OPTION, UNSUPPORTED_SH2A):
New macros.
(DRIVER_SELF_SPECS): Use new macros to filter out
unsupported options taking the default configuration into
account.
* gcc.target/sh/pr21255-2-ml.c: Skip if -mb or -m5* is
specified.  Remove redundant runtime checks.
* gcc.target/sh/20080410-1.c: Skip if -mb is specified.
Allow for other than -m4.  Fix typos in comments.

From-SVN: r181340

config.host (hppa*64*-*-hpux11*): Remove pa/t-stublib64 from tmake_file list.

* config.host (hppa*64*-*-hpux11*): Remove pa/t-stublib64 from
tmake_file list.
* config/pa/t-stublib: Merge rules from config/pa/t-stublib64.
* config/pa/t-stublib64: Delete.

From-SVN: r181339

install.texi (Specific): Fix anchor for x86_64-*-solaris2.1[0-9]*.

* doc/install.texi (Specific): Fix anchor for
x86_64-*-solaris2.1[0-9]*.

From-SVN: r181338

gcov.c (source_prefix, [...]): New globals.

* gcov.c (source_prefix, source_length): New globals.
(flag_relative_only): Likewise.
(print_usage, options, process_args): Update.
(generate_results): Use coverage.name, check
flag_relative_only. Adjust messages.
(find_source): Check source_prefix.
(output_lines): Use coverage.name, adjust messages.
* doc/gcov.texi (Invoking Gcov): Document new options.

From-SVN: r181335

re PR c++/986 (g++ misses warning for reference on temporary that invokes undefined behaviour)

PR c++/986
* call.c (set_up_extended_ref_temp): Warn about references
bound to non-static reference members.
* init.c (perform_member_init): Pass in the member.

From-SVN: r181334

* using.xml: Use GNU/Linux.

From-SVN: r181333

re PR c++/51060 (Temporary object stack space is not re-used)

PR c++/51060
* gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
(gimplify_modify_expr): Don't try to simplify it.
* cp/cp-gimplify.c (cp_gimplify_expr): Leave clobbers alone.

From-SVN: r181332

Daily bump.

From-SVN: r181331

re PR bootstrap/51094 (Bootstrap failure at revision 181279 on non-ELF targets)

PR bootstrap/51094
* config/elfos.h (STRING_ASM_OP): Define.
* varasm.c (default_elf_asm_output_limited_string): Use it.

From-SVN: r181327

re PR bootstrap/51094 (Bootstrap failure at revision 181279 on non-ELF targets)

PR bootstrap/51094
* gcc/configure.ac: Check for stpcpy declaration.
* system.h: Declare it if not.
* config.in, configure: Regenerate.

From-SVN: r181326

ppc-linux: Fix call to _Unwind_SetGRPtr

        * config/rs6000/linux-unwind.h (frob_update_context): Properly
        cast the pointer argument to _Unwind_SetGRPtr.

From-SVN: r181325

rs6000: fix*_trunc insns use nonimmediate_operand

        * config/rs6000/rs6000.md (fix_trunc<SFDF>si2_stfiwx): Use
        nonimmediate_operand for the destination.
        (fixuns_trunc<SFDF>si2_stfiwx): Likewise.

From-SVN: r181324

builtins.c (expand_builtin_compare_and_swap): If target is const0, don't pass the target to expand_atomic_compare_and_swap.

        * builtins.c (expand_builtin_compare_and_swap): If target is const0,
        don't pass the target to expand_atomic_compare_and_swap.
        (expand_builtin_atomic_compare_exchange): Likewise.

From-SVN: r181323

sh-linux: Install __sync libfuncs.

        * config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
        * config/sh/sh.c (sh_init_sync_libfuncs): New.

From-SVN: r181322

re PR libstdc++/51083 (TR1 [tr.c99.cmath.over] and C++11 [cmplx.over] overloads not constrained)

PR libstdc++/51083
* include/ext/type_traits.h (__promote): Only define __type member
for integral and floating point types, to prevent math functions
participating in overload resolution for other types.
(__promote_2, __promote_3, __promote_4): Use __promote in default
template argument values, so deduction only succeeds for integral and
floating point types.
* testsuite/26_numerics/cmath/51083.cc: New.
* testsuite/26_numerics/complex/51083.cc: New.
* testsuite/tr1/8_c_compatibility/cmath/51083.cc: New.
* testsuite/tr1/8_c_compatibility/complex/51083.cc: New.

From-SVN: r181321

hppa: Install __sync libfuncs for linux.

        * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
        * config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
        * config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.

From-SVN: r181320

Makefile.in (stamp-gnatlib-$(RTSDIR)): Don't link s-oscons.ads.

ada:

* gcc-interface/Makefile.in (stamp-gnatlib-$(RTSDIR)): Don't link
s-oscons.ads.
(OSCONS_CPP, OSCONS_EXTRACT): New.
(./bldtools/oscons/xoscons): New Target.
($(RTSDIR)/s-oscons.ads): New Target.
(gnatlib): Depend on  $(RTSDIR)/s-oscons.ads.
* gcc-interface/Make-lang.in (ada/s-oscons.ads) Remove as dependency.
* Make-generated.in: Remove machinery to generate xoscons and
ada/s-oscons.ads.

libada:

Makefile.in: Change dependency on oscons to depend on the generator
tool.

From-SVN: r181319

gcc-simulate-thread.exp (simulate-thread): Do not run on alpha*-*-linux* targets.

* lib/gcc-simulate-thread.exp (simulate-thread): Do not run on
alpha*-*-linux* targets.

From-SVN: r181318

re PR testsuite/51059 (FAIL: gcc.misc-tests/gcov-14.c (test for excess errors) on *-apple-darwin*)

gcc/testsuite:

PR testsuite/51059
* gcc.misc-tests/gcov-14.c (dg-options): Force flat namespace for
Darwin targets and allow external symbols to be undefined.

From-SVN: r181317

re PR target/45233 (FAIL: gcc.c-torture/compile/pr44707.c)

gcc:

PR target/45233
* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
Only expand a symbol ref. into an access when the entity is defined
in the TU.

From-SVN: r181315

objc-next-runtime-abi-01.c (objc_eh_personality): Use gcc personality for Objective-C m32.

gcc/obj:

* objc-next-runtime-abi-01.c (objc_eh_personality): Use gcc personality
for Objective-C m32.

From-SVN: r181312

re PR bootstrap/50822 (Solaris/SPARC bootstrap failure with Sun as: invalid assembler for ios_init.cc)

PR bootstrap/50822
* cgraphunit.c (output_weakrefs): Output really only weakrefs.

From-SVN: r181311

MAINTAINERS (Reviewers): Keep the list sorted.

        * MAINTAINERS (Reviewers): Keep the list sorted.

From-SVN: r181310

gcov.c (struct name_map): New.

* gcov.c (struct name_map): New.
(names, n_names, a_names): New global vars.
(print_usage): Adjust usage.
(generate_results): Canonicalize main file name.
(release_structures): Adjust.
(name_search, name_sort): New callbacks.
(find_source): Look for and create a canonical name.
(canonicalize_name): New.
(make_gcov_file_name): Reimplement and fix mangling.
(mangle_name): New.
* doc/gcov.texi: Update documentation about path preservation.

testsuite/
* gcc.misc-tests/gcov-15.c: New.

From-SVN: r181309

Fix recent entry

From-SVN: r181308

Fix Linux/sparc build after generic asm output optimizations.

* config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
* config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.

From-SVN: r181307

Daily bump.

From-SVN: r181306

Introduce G structure and thread-local global g.

From-SVN: r181301

i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper): New prototype.

* config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
New prototype.
* config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
function.
(ix86_expand_epilogue): Use it.
* config/i386/i386.md (return, simple_return): Call it in the
expanders.

From-SVN: r181300

re PR tree-optimization/51091 (FAIL: gcc.dg/tree-ssa/stdarg-2.c scan-tree-dump stdarg)

PR tree-optimization/51091
* tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
rhs also in the va_list_simple_ptr case.

From-SVN: r181299

re PR tree-optimization/51058 (ICE: gimple check: expected gimple_assign(error_mark), have gimple_call() in gimple_assign_rhs_code, at gimple.h:1992)

PR tree-optimization/51058
* tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
(vect_schedule_slp): Call it.
* tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
don't replace scalar calls with setting of their lhs to zero here.

* gcc.dg/vect/fast-math-vect-call-1.c: Add f4 test.
* gfortran.dg/vect/pr51058-2.f90: New test.

From-SVN: r181298

re PR tree-optimization/51074 (No constant folding performed for VEC_PERM_EXPR, VEC_INTERLEAVE*EXPR, VEC_EXTRACT*EXPR)

PR tree-optimization/51074
* fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
(fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
(fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
CONSTRUCTOR operands.
* tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
expressions.
* tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
to 0 .. 2 * elements - 1.

From-SVN: r181297

Implement omp atomic load and store.

* gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
(dump_gimple_omp_atomic_store): Likewise.
* optabs.c (can_atomic_exchange_p): New.
* optabs.h (can_atomic_exchange_p): Declare.
* omp-low.c (expand_omp_atomic_load): Implement.
(expand_omp_atomic_store): Likewise.
(expand_omp_atomic): Update for new arguments to load/store.

From-SVN: r181296

re PR c++/50976 ([C++0x] literal operator with unsigned long long parameter not accepted)

PR c++/50976
* typeck.c (check_literal_operator_args): Reorganize test for string
operators so size_t search depends on finding string first.

From-SVN: r181292

Fix SPU libgcc build

* config/spu/t-elf (LIB2ADD): Use LIB2FUNCS_EXCLUDE instead.

From-SVN: r181291

PR 51090 Fix r181288 to conform to GNU style

From-SVN: r181290

cprop.c: Adjust outdated comments throughout.

* cprop.c: Adjust outdated comments throughout.
(hash_scan_set): Rename PAT parameter into SET.
(cprop_pavloc): Rename into...
(cprop_avloc): ...this.
(cprop_absaltered): Rename into...
(cprop_kill): ...this.
(alloc_cprop_mem): Adjust for above renaming.
(free_cprop_mem): Likewise.
(compute_cprop_data): Likewise.
(compute_local_properties): Rename TRANSP parameter into KILL and
adjust throughout.  Rework comments.
(try_replace_reg): Fix long line.
(cprop_jump): Likewise.
(constprop_register): Fix prototype and take INSN last.
(cprop_insn): Adjust calls to above function.  Fix long lines.
(bypass_block): Likewise.
(one_cprop_pass): Likewise.

From-SVN: r181289

PR 51090 Check that getenv result != NULL before proceeding.

2011-11-11  Janne Blomqvist  <jb@gcc.gnu.org>

PR libfortran/51090
* runtime/main.c (find_addr2line): NULL check before proceeding.

From-SVN: r181288

elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.

* config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.
(ELF_STRING_LIMIT): Rename from STRING_LIMIT.

From-SVN: r181287

varasm.c (default_elf_asm_output_limited_string): #ifdef ELF_ASCII_ESCAPES.

* varasm.c (default_elf_asm_output_limited_string): #ifdef
ELF_ASCII_ESCAPES.
(default_elf_asm_output_ascii): Likewise.

From-SVN: r181286

re PR target/50762 (ICE: in extract_insn, at recog.c:2137 (unrecognizable insn))

PR target/50762
* config/i386/constraints.md (j): New address constraint.
* config/i386/predicates.md (lea_address_operand): Redefine as
special predicate.
* config/i386/i386.md (*lea_3_zext): Use "j" constraint for operand 1.
(*lea_4_zext): Ditto.

From-SVN: r181285

MAINTAINERS (Selective Scheduling): Add myself as a reviewer.

2011-11-11  Andrey Belevantsev  <abel@ispras.ru>

* MAINTAINERS (Selective Scheduling): Add myself as a reviewer.

From-SVN: r181284

Revert sparc vec_init improvements as they cause 64-bit regressions.

gcc/

Revert
2011-11-05  David S. Miller  <davem@davemloft.net>

From-SVN: r181283

opts-common.c (generate_canonical_option): Free opt_text it it has been allocated here and not stored anywhere.

* opts-common.c (generate_canonical_option): Free opt_text
it it has been allocated here and not stored anywhere.

From-SVN: r181282

tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN vector.

* tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
vector.
(vect_create_new_slp_node): Don't allocate node before checking stmt
type.
(vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
free def_stmts vectors and additionally free oprnd_info.
(vect_build_slp_tree): Adjust callers.  Call it even if
stop_recursion.  If vect_create_new_slp_node or
vect_build_slp_tree fails, properly handle freeing memory.
If it succeeded, clear def_stmts in oprnd_info.

From-SVN: r181281

re PR c++/50372 ([C++0x] pointers to static functions should be valid template parameters)

PR c++/50372
* pt.c (convert_nontype_argument_function): Allow decls with
internal linkage in C++11.
(convert_nontype_argument): Likewise.

From-SVN: r181280

final.c, output.h (fprint_whex, [...]): New functions serving as fast replacements for fprintf() integer to string...

* final.c, output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul):
New functions serving as fast replacements for fprintf() integer
to string conversions. They were used in the following changes.
* final.c (sprint_ul_rev): Internal helper for the above.
(output_addr_const): case CONST_INT: don't use fprintf().
* elfos.h (ASM_GENERATE_INTERNAL_LABEL): Don't use sprintf("%u"),
use sprint_ul() and stpcpy() which are much faster.
(TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
(ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Are the old ESCAPES and
STRING_LIMIT macros.
(ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Macros now just
call respective functions that provide the same
functionality. Those are default_elf_asm_output_limited_string()
and default_elf_asm_output_ascii() in varasm.c.
* varasm.c: Fixed some whitespace inconsistencies.
(default_elf_asm_output_limited_string)
(default_elf_asm_output_ascii): The above macros from elfos.h are
implemented here as these functions, avoiding superfluous calls to
fprintf().
(default_elf_internal_label): Hook for
targetm.asm_out.internal_label and ASM_OUTPUT_DEBUG_LABEL.
* i386.c: Don't call fprintf("%u") but fprint_ul() instead.
* defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL):
Expanded the macros on multiple lines for readability.
(ASM_OUTPUT_LABELREF): Have two calls to fputs() instead of one to
asm_fprintf().
* dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data)
(dw2_asm_data_uleb128, dw2_asm_delta_uleb128)
(dw2_asm_delta_sleb128): Convert fprintf() calls to the new
faster functions.
* dwarf2out.c (dwarf2out_source_line): Convert fprintf() calls to
the new faster functions.

From-SVN: r181279

Daily bump.

From-SVN: r181278

extend.texi: Document __atomic_test_and_set and __atomic_clear.

2011-11-10  Andrew MacLeod  <amacleod@redhat.com>

* doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.

From-SVN: r181273

re PR c++/50973 ([C++0x] internal compiler error defaulted destructor virtual inheritance)

PR c++/50973
* decl2.c (mark_used): Defer synthesis of virtual functions.
* method.c (use_thunk): Make sure the target function has
DECL_INTERFACE_KNOWN.

From-SVN: r181272

re PR middle-end/51038 (29_atomics/atomic_flag/clear/1.cc test_and_set/explicit.cc implicit.cc)

PR middle-end/51038

libstdc++-v3
* include/bits/atomic_base.h (atomic_thread_fence): Call built-in.
(atomic_signal_fence): Call built-in.
(test_and_set, clear): Call new atomic built-ins.

gcc
* builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
(expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
(expand_builtin): Add cases for test_and_set and clear.
* sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
(BUILT_IN_ATOMIC_CLEAR): New.

testsuite
* gcc.dg/atomic-invalid.c: Add test for invalid __atomic_clear models.
* gcc.dg/atomic-flag.c: New.  Test __atomic_test_and_set and
__atomic_clear.

From-SVN: r181271

PR c++/51079, DR 495

PR c++/51079, DR 495
* call.c (joust): Check the second conversion sequence
before checking templates.

From-SVN: r181270

re PR debug/50983 (incorrect DW_LNS_negate_stmt)

PR debug/50983
* dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
value in the current line table.

From-SVN: r181269

fe.h (Serious_Errors_Detected): New macro.

* fe.h (Serious_Errors_Detected): New macro.
* gcc-interface/gigi.h (build_atomic_load): Declare.
(build_atomic_store): Likewise.
* gcc-interface/trans.c (atomic_sync_required_p): New predicate.
(call_to_gnu): Add ATOMIC_SYNC parameter.  Use local variable.
Build an atomic load for an In or In Out parameter if needed.
Build an atomic store for the assignment of an Out parameter if needed.
Build an atomic store to the target if ATOMIC_SYNC is true.
(present_in_lhs_or_actual_p): New predicate.
(gnat_to_gnu) <N_Identifier>: Build an atomic load if needed.
<N_Explicit_Dereference>: Likewise.
<N_Indexed_Component>: Likewise.
<N_Selected_Component>: Likewise.
<N_Assignment_Statement>: Adjust call to call_to_gnu.
Build an atomic store to the LHS if needed.
<N_Function_Call>:  Adjust call to call_to_gnu.
* gcc-interface/utils2.c: Include toplev.h.
(resolve_atomic_size): New static function.
(build_atomic_load): New function.
(build_atomic_store): Likewise.
* gcc-interface/Make-lang.in (ada/utils2.o): Add toplev.h.

From-SVN: r181267

configure.ac (GCC_AS_CFI_PSEUDO_OP): Use it instead of inline check.

        * configure.ac (GCC_AS_CFI_PSEUDO_OP): Use it instead of inline check.
        * configure, aclocal.m4: Rebuild.

From-SVN: r181266

gcov.c (struct function_info): Make src an index, not a pointer.

* gcov.c (struct function_info): Make src an index, not a pointer.
(struct source_info): Remove index and next source fields.
(fn_end): New static var.
(sources_index): Remove.
(sources): Now a pointer to an array, not a list.
(n_sources, a_sources): New.
(process_file): Adjust for changes to read_graph_file. Insert
functions into source lists and check line numbers here.
(generate_results): Only allocate lines for sources with
contents.  Adjust for source array.
(release_structures): Likewise.
(find_source): Return source index, adjust for source array.
(read_graph_file): Return function list.  Don't insert into source
lists here.
(read_count_file): Take list of functions.
(solve_flow_graph): Reverse the arc lists here.
(add_line_counts): Adjust for source array.

From-SVN: r181265

re PR middle-end/51077 (Endless recursion with __builtin_object_size)

PR middle-end/51077
* tree-object-size.c (addr_object_size): Check TREE_CODE of
MEM_REF's operand rather than code of the MEM_REF itself.

* gcc.c-torture/compile/pr51077.c: New test.

From-SVN: r181263

libitm port to Tru64 UNIX

* config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
.hidden.
(.note.GNU-stack): Only use if __linux__.
* alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
* testsuite/libitm.c/notx.c: Use dg-options "-pthread".
* testsuite/libitm.c/reentrant.c: Likewise.
* testsuite/libitm.c/simple-2.c: Likewise.
* testsuite/libitm.c/txrelease.c: Likewise.
* testsuite/libitm.c++/static_ctor.C: Likewise.

From-SVN: r181262

libitm: Don't add -mavx if the assembler doesn't support avx.

        * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
        * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
        * configure.ac (ARCH_X86_AVX): New conditional.
        * Makefile.in, configure: Rebuild.

From-SVN: r181261

Let the compiler decide whether to inline.

2011-11-10  Janne Blomqvist  <jb@gcc.gnu.org>

* intrinsics/cpu_time.c (__cpu_time_1): Don't force inlining.
* intrinsics/random.c (rnumber_4): Remove inline attribute.
(rnumber_8, rnumber_10, rnumber_16): Likewise.
* intrinsics/system_clock.c (gf_gettime_mono): Likewise.
* intrinsics/time_1.h (ATTRIBUTE_ALWAYS_INLINE): Remove macro.
(gf_cputime): Add inline attribute for MingW version.
* io/format.c (format_hash): Remove inline attribute.
* io/io.h (memset4): Inline function from transfer.c and write.c
moved here.
* io/transfer.c (min_off): Remove inline attribute.
(memset4): Move to io.h.
* io/write.c (memset4): Likewise.
(memcpy4): Remove inline attribute.
* io/write_float.def (calculate_exp): Likewise.

From-SVN: r181260

re PR rtl-optimization/51040 (ICE: RTL check: access of elt 1 of 'not' with last elt 0 in gen_rtx_fmt_ee_stat, at ./genrtl.h:33 with __atomic_nand_fetch())

PR rtl-optimization/51040
* optabs.c (expand_atomic_fetch_op): Patchup code for NAND should be AND
followed by NOT.
* builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
should be AND followed by NOT.
* testsuite/gcc.dg/atomic-noinline[-aux].c: Test no-inline NAND and
patchup code.

From-SVN: r181259

vec.h (VEC_BASE): If base is at offset 0 in the structure, use &(P)->base even if P is NULL.

* vec.h (VEC_BASE): If base is at offset 0 in the structure,
use &(P)->base even if P is NULL.

From-SVN: r181258

re PR rtl-optimization/51023 (likely integer wrong code bug)

PR rtl-optimization/51023
* combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
val_signbit_known_clear_p for signed comparison narrowing
optimization.  Don't check for non-VOIDmode, use
HWI_COMPUTABLE_MODE_P macro.
<case ZERO_EXTEND>: Don't check for non-VOIDmode.
Optimize even when const_op is equal to GET_MODE_MASK (mode),
don't optimize if const_op is negative.

* gcc.c-torture/execute/pr51023.c: New test.

From-SVN: r181257