target-supports.exp (add_options_for_arm_fp16): Renamed from add_options_for_arm_neon_fp16.

* lib/target-supports.exp (add_options_for_arm_fp16): Renamed
from add_options_for_arm_neon_fp16.
(check_effective_target_arm_fp16_ok_nocache): Renamed from
check_effective_target_arm_neon_fp16_ok_nocache.
Check -mfpu and -mfloat-abi options from current multilib.
Do not require neon support.
(check_effective_target_arm_fp16_ok): Renamed from
check_effecitve_target_arm_neon_fp16_ok.
* g++.dg/ext/arm-fp16/arm-fp16-ops-5.C: Use new names for
arm_neon_fp16_ok and arm_fp16.
* g++.dg/ext/arm-fp16/arm-fp16-ops-6.C: Likewise.
* gcc.dg/torture/arm-fp16-ops-5.c: Likewise.
* gcc.dg/torture/arm-fp16-ops-6.c: Likewise.
* gcc.target/arm/fp16-compile-vcvt.c: Likewise.

From-SVN: r175545

c-common.h (c_tree_chain_next): New static inline function.

* c-common.h (c_tree_chain_next): New static inline function.

* c-decl.c (union lang_tree_node): Use it in chain_next expression.

* cp-tree.h (union lang_tree_node): Use it in chain_next expression.

From-SVN: r175542

builtin-types.def (BT_FN_PTR_CONST_PTR_SIZE_VAR): New.

* builtin-types.def (BT_FN_PTR_CONST_PTR_SIZE_VAR): New.
* builtins.def (BUILT_IN_ASSUME_ALIGNED): New builtin.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
find_func_clobbers): Handle BUILT_IN_ASSUME_ALIGNED.
* tree-ssa-ccp.c (bit_value_assume_aligned): New function.
(evaluate_stmt, execute_fold_all_builtins): Handle
BUILT_IN_ASSUME_ALIGNED.
* tree-ssa-dce.c (propagate_necessity): Likewise.
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
call_may_clobber_ref_p_1): Likewise.
* builtins.c (is_simple_builtin, expand_builtin): Likewise.
(expand_builtin_assume_aligned): New function.
* doc/extend.texi (__builtin_assume_aligned): Document.

* c-common.c (check_builtin_function_arguments): Handle
BUILT_IN_ASSUME_ALIGNED.

* gcc.dg/builtin-assume-aligned-1.c: New test.
* gcc.dg/builtin-assume-aligned-2.c: New test.
* gcc.target/i386/builtin-assume-aligned-1.c: New test.

From-SVN: r175541

re PR debug/49544 (ICE in new_elt_loc_list)

PR debug/49544
* cselib.c (promote_debug_loc): If cselib_preserve_constants
and l has two DEBUG_INSN owned locs instead of just one, adjust
the second location's setting_insn too.

* gcc.dg/pr49544.c: New test.

From-SVN: r175540

re PR libmudflap/38738 (libmudflap could be enabled for Solaris when using GNU ld)

gcc:
PR libmudflap/38738
* config/sol2.h [!USE_GLD] (MFLIB_SPEC): Define.

libmudflap:
PR libmudflap/38738
* configure.ac: Check for sys/mnttab.h.
Check for library containing connect.
* configure: Regenerate.
* config.h.in: Regenerate.
* mf-hooks2.c [HAVE_SYS_MNTTAB_H]: Include <sys/mnttab.h>.
* testsuite/libmudflap.c/pass-stratcliff.c (main) [__sun__ &&
__svr4__]: Disable rawmemchr, stpcpy, mempcpy tests.

From-SVN: r175537

mn10300.md (clzsi2): Use XOR after BSCH to convert bit position of highest bit set into a count of...

* config/mn10300/mn10300.md (clzsi2): Use XOR after BSCH to
convert bit position of highest bit set into a count of the high
zero bits.

From-SVN: r175536

* dwarf2out.c (TYPE_DECL_IS_STUB): Extend mechanism to all types.

From-SVN: r175535

re PR lto/48492 (LTO bootstrap failure in copy_constant)

PR lto/48492
* dwarf2out.c (dwarf2out_finish): Do not attach a DIE on the limbo list
to a NULL parent.

From-SVN: r175533

re PR middle-end/49394 (libstdc++-v3/testsuite/30_threads/lock_guard/cons/1.cc FAILs with -fipa-pta -fnon-call-exceptions)

2011-06-27  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49394
* passes.c (execute_one_pass): Restore current_pass after
applying IPA transforms.

* g++.dg/torture/pr49394.C: New testcase.

From-SVN: r175532

tree-ssa-math-opts.c (do_shift_rotate): Zero bits out of type precision after operation.

2011-06-27  Kai Tietz  <ktietz@redhat.com>

        * tree-ssa-math-opts.c (do_shift_rotate): Zero bits
        out of type precision after operation.
        (find_bswap): Take for limit value the integer auto-
        promotion into account.

ChangeLog

2011-06-27  Kai Tietz  <ktietz@redhat.com>

        * gcc.dg/optimize-bswapdi-2.c: New test.

From-SVN: r175528

reorg.c (fill_simple_delay_slots): Use stop_search_p to stop the forward scan as well.

* reorg.c (fill_simple_delay_slots): Use stop_search_p to stop the
forward scan as well.

From-SVN: r175524

re PR target/44241 (vms-crtl.h, vms-crtl-64.h need many more symbols)

2011-06-27  Tristan Gingold  <gingold@adacore.com>

PR target/44241
* config/vms/vms-protos.h: New file.
* config/vms/vms-crtlmap.map: New file.
* config/vms/vms.c: New file.
* config/vms/make-crtlmap.awk: New file.
* config/vms/vms-crtl.h: File removed.
* config/vms/vms-crtl-64.h: File removed.
* config/vms/t-vms (vms-crtlmap.h, vms.o): New targets.
* config/alpha/vms64.h: Do not include vms-crtl-64.h
* config/alpha/alpha.c (alpha_init_builtins): Remove code to
clear some builtins on VMS.  Calls vms_patch_builtins.
(avms_asm_output_external): Remove.
* config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Remove.
(struct crtl_name_spec): Remove
(DO_CTRL_NAMES): Remove.
* config/ia64/vms.h (struct crtl_name_spec): Remove
(DO_CTRL_NAMES): Remove.
* config/ia64/ia64.c (alpha_init_builtins): Remove code to
clear some builtins on VMS.  Calls vms_patch_builtins.
(ia64_asm_output_external): Remove DO_CRTL_NAME.
* config/ia64/vms64.h: Do not include vms-crtl-64.h
* config.gcc (*-*-*vms*): Define extra_objs, target_gtfiles,
tm_p_file.

From-SVN: r175523

alpha.c (alpha_end_function): Always generate .end directive on VMS.

2011-06-27  Tristan Gingold  <gingold@adacore.com>

* config/alpha/alpha.c (alpha_end_function): Always generate .end
directive on VMS.

From-SVN: r175522

* de.po: Update.

From-SVN: r175519

sparc.c (sparc_frame_pointer_required): Return true if the function receives nonlocal gotos.

* config/sparc/sparc.c (sparc_frame_pointer_required): Return true if
the function receives nonlocal gotos.

From-SVN: r175477

update_version_svn (IGNORE_BRANCHES): Add gcc-4_3-branch.

2011-06-27  Richard Guenther  <rguenther@suse.de>

* update_version_svn (IGNORE_BRANCHES): Add gcc-4_3-branch.

From-SVN: r175476

re PR middle-end/49536 (latent bug with creation of vector of arrays)

2011-06-27  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49536
* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
For non-scalar inner types use a scalar type according to
the scalar inner mode.

From-SVN: r175475

re PR tree-optimization/49365 (436.cactusADM performance regression)

2011-06-27  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49365
* params.def (min-insn-to-prefetch-ratio): Reduce from 10 to 9.

From-SVN: r175474

re PR rtl-optimization/49169 (ARM: optimisations strip the Thumb/ARM mode bit off function pointers)

gcc/
2011-07-24  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49169
* fold-const.c (get_pointer_modulus_and_residue): Don't rely on
the alignment of function decls.

gcc/testsuite/
2011-07-24  Michael Hope  <michael.hope@linaro.org>
    Richard Sandiford  <richard.sandiford@linaro.org>

PR tree-optimization/49169
* gcc.dg/torture/pr49169.c: New test.

From-SVN: r175427

re PR testsuite/49529 (FAIL: gcc.dg/ipa/ipa-pta-17.c (test for excess errors))

PR testsuite/49529
* gcc.dg/ipa/ipa-pta-17.c: Use dg-require-alias.

From-SVN: r175420

pr49294.c (dg-options): Add -fno-common to options on hppa*-*-hpux*.

* gcc.dg/debug/pr49294.c (dg-options): Add -fno-common to options on
hppa*-*-hpux*.

From-SVN: r175419

re PR c++/49528 (g++ fails to destroy temporary object when subobject is used to initialize a reference)

PR c++/49528
* semantics.c (potential_constant_expression_1): Check
for non-literality rather than cleanup.
(cxx_eval_constant_expression): Likewise.

From-SVN: r175417

Daily bump.

From-SVN: r175416

fix changelog date from ci 175410

From-SVN: r175411

re PR target/47997 (gcc on macosx: "ld: warning: -fwritable-strings not compatible with literal CF/NSString")

PR target/47997
* config/darwin.c (darwin_mergeable_string_section): Place string
constants in '.cstring' rather than '.const' when CF/NSStrings are
active.

From-SVN: r175410

re PR c++/49528 (g++ fails to destroy temporary object when subobject is used to initialize a reference)

PR c++/49528
* semantics.c (potential_constant_expression_1): A TARGET_EXPR
with a cleanup isn't constant.
(cxx_eval_constant_expression): Likewise.
* init.c (expand_default_init): Use maybe_constant_init.

From-SVN: r175409

[multiple changes]

2011-06-26  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/48377
* gcc.dg/vect/pr48377.c: Add dg-require-effective-target
non_strict_align.

2011-06-26  Steve Ellcey  <sje@cup.hp.com>

PR middle-end/49191
* lib/target-supports.exp (check_effective_target_non_strict_align):
New.
* gcc.dg/memcpy-3.c: Add dg-require-effective-target non_strict_align.

From-SVN: r175408

sparc.c (save_local_or_in_reg_p): Adjust comment.

* config/sparc/sparc.c (save_local_or_in_reg_p): Adjust comment.
(emit_save_register_window): Likewise.
(sparc_expand_prologue): Use SIZE_INT_RTX and SIZE_RTX variables.
(sparc_flat_expand_prologue): Add comment.  Always emit blockage.
Swap back %o7/%i7 in register naming.

From-SVN: r175407

changelog correction

From-SVN: r175406

dr 1188 comment

From-SVN: r175405

Daily bump.

From-SVN: r175404

re PR driver/49371 (xgcc: error: unrecognized option '-pie' on *-apple-darwin*)

PR driver/49371
* config/darwin.c (darwin_override_options): Improve warning when
mdynamic-no-pic is given together with fPIC/fpic, also warn when it
is given with fpie/fPIE.
* config/darwin.h (PIE_SPEC): New, (LINK_SPEC): Use PIE_SPEC.
* config/darwin9.h (PIE_SPEC): New.

From-SVN: r175397

timevar.c (timevar_print): Increase width for display of timevar name.

2011-06-25  Basile Starynkevitch  <basile@starynkevitch.net>

* timevar.c (timevar_print): Increase width for display of timevar
name.

From-SVN: r175396

Daily bump.

From-SVN: r175394

re PR c++/46400 (g++ Segmentation Fault on heavily templated project.)

PR c++/46400
* cp-tree.h (union lang_tree_node): Use TYPE_NEXT_VARIANT
instead of TYPE_CHAIN for chain_next for types.

* c-decl.c (union lang_tree_node): Use TYPE_NEXT_VARIANT
instead of TYPE_CHAIN for chain_next for types.

From-SVN: r175389

sparc: Fix -mflat unwind info.

The old definition left a 2 instruction hole in which
unwind info was out-of-date.

From-SVN: r175388

re PR rtl-optimization/49429 (dse.c change (r175063) causes execution failures)

2011-06-24  Easwaran Raman  <eraman@google.com>

      PR rtl-optimization/49429
      PR target/49454
      * expr.c (emit_block_move_hints):  Mark MEM_EXPR(x) and
      MEM_EXPR(y) addressable if emit_block_move_via_libcall is
      used to copy y into x.
      * calls.c (initialize_argument_information): Mark
      an argument addressable if it is passed by invisible reference.
      (emit_library_call_value_1): Mark  MEM_EXPR (val) addressable
      if it is passed by reference.

From-SVN: r175384

Properly handle pointer addition/subtraction in num_sign_bit_copies1.

From-SVN: r175383

* de.po: Update.

From-SVN: r175379

Remove entry for gofrontend change which should not be here.

From-SVN: r175378

Properly handle pointer addition/subtraction.

2011-06-24  H.J. Lu  <hongjiu.lu@intel.com>

PR rtl-optimization/49504
* rtlanal.c (nonzero_bits1): Properly handle addition or
subtraction a pointer in Pmode if pointers extend unsigned.

From-SVN: r175377

re PR tree-optimization/49516 (SRA generates memory references into its replacements)

2011-06-24  Martin Jambor  <mjambor@suse.cz>

PR tree-optimizations/49516
* tree-sra.c (sra_modify_assign): Choose the safe path for
aggregate copies if we also did scalar replacements.

* testsuite/g++.dg/tree-ssa/pr49516.C: New test.

From-SVN: r175376

re PR target/49335 (ARM: Invalid assembler generated while compiling C++ code from 'codeblocks')

Fix PR target/49335

2011-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

PR target/49335
* config/arm/predicates.md (add_operator): New.
* config/arm/arm.md ("*arith_shiftsi"): Fix for SP reg usage
in Thumb2.

From-SVN: r175375

* repro_fail: New.

From-SVN: r175374

name-lookup.h (cp_binding_level): Removed unused member names_size.

2011-06-23  Gabriel Charette  <gchare@google.com>

* name-lookup.h (cp_binding_level): Removed unused
member names_size. Update all users.

From-SVN: r175373

* config/avr/avr.md (*extzv): Fix leading white space.

From-SVN: r175372

Improve dump files for SRA early candidate check v2

v2: Include message improvements from Eric Botcazou

gcc/:
2011-06-24  Andi Kleen  <ak@linux.intel.com>

* tree-sra.c (type_internals_preclude_sra_p): Add msg
parameter. Split up ifs and report reason in *msg.
(reject): Add.
(find_var_candiate): Add msg variable.
Split up ifs and report reason to reject.
(find_param_candidates): Add msg variable.
Pass msg to type_internals_preclude_sra_p.

From-SVN: r175370

re PR c++/49418 (G++ discards cv-quals from template parameter types)

PR c++/49418
* typeck2.c (build_functional_cast): Strip cv-quals for value init.
* init.c (build_zero_init_1): Not here.

From-SVN: r175368

re PR c++/35255 ([DR 115] gcc does not do partial ordering on overloaded address resolution)

PR c++/35255
* pt.c (resolve_overloaded_unification): Fix DR 115 handling.

From-SVN: r175367

Daily bump.

From-SVN: r175362

* de.po: Update.

From-SVN: r175355

re PR middle-end/48770 (wrong code with -O -fprofile-arcs -fPIC -fno-dce -fno-forward-propagate -fno-tree-forwprop)

PR middle-end/48770
* reload.h (reload): Change to return a bool.
* ira.c (ira): If requested by reload, run a fast DCE pass after
reload has completed.  Fix comment typo.
* reload1.c (need_dce): New file scoped static.
(reload): Set reload_completed here.  Return whether or not a DCE
pass after reload is needed.
(delete_dead_insn): Set need_dce as needed.

PR middle-end/48770
* gcc.dg/pr48770.c: New test.

From-SVN: r175353

re PR middle-end/49465 (Revision 175114 miscompiled 403.gcc in SPEC CPU 2006)

PR middle-end/49465
* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
to detect threading through joiner block.  If there was already
an edge to the new target, then do not change the PHI nodes.

From-SVN: r175352

re PR middle-end/49465 (Revision 175114 miscompiled 403.gcc in SPEC CPU 2006)

PR middle-end/49465
* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
to detect threading through joiner block.  If there was already
an edge to the new target, then do not change the PHI nodes.

*************** fix_duplicate_block_edges (struct redire

From-SVN: r175351

re PR middle-end/49373 (Many testcase failures)

PR middle-end/49373
* g++.dg/torture/pr43879-1_1.C: Revert the xfail introduced yesterday.

From-SVN: r175350

tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use get_pointer_alignment to see if base isn't sufficiently aligned.

* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
get_pointer_alignment to see if base isn't sufficiently aligned.

From-SVN: r175348

re PR testsuite/49512 (FAIL: gcc.dg/tree-ssa/asm-1.c)

PR testsuite/49512
* gcc.dg/tree-ssa/asm-1.c: Use -fdump-tree-optimized-nouid
instead of -fdump-tree-optimized.

From-SVN: r175347

re PR c++/44625 (ICE after error: anonymous struct not inside named type)

/cp
2011-06-23  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/44625
* decl2.c (build_anon_union_vars): Early return error_mark_node
for a nested anonymous struct.

/testsuite
2011-06-23  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/44625
* g++.dg/template/crash107.C: New.
* g++.dg/template/error17.C: Adjust.

From-SVN: r175344

re PR c++/49507 (ICE because of defaulted template destructor)

PR c++/49507
* decl2.c (mark_used): Don't call synthesize_method for
functions defaulted outside the class.

From-SVN: r175342

optimize.c (maybe_clone_body): Set linkage flags before cgraph_same_body_alias.

* optimize.c (maybe_clone_body): Set linkage flags before
cgraph_same_body_alias.

From-SVN: r175341

re PR c++/49440 (Invalid dynamic_cast for unnamed namespace)

PR c++/49440
* class.c (set_linkage_according_to_type): Just check TREE_PUBLIC
on the type's name.

From-SVN: r175340

re PR c++/49395 (Non-class prvalues seem to have cv-qualification with GCC)

PR c++/49395
* init.c (build_zero_init_1): Strip cv-quals from scalar types.

From-SVN: r175339

re PR c++/36435 (Partial ordering of explicit specialization should include return type)

PR c++/36435
* pt.c (most_specialized_instantiation): Do check return types.

From-SVN: r175338

re PR middle-end/49373 (Many testcase failures)

PR tree-optimize/49373
* tree-pass.h (all_late_ipa_passes): Declare.
* cgraphunit.c (init_lowered_empty_function): Fix properties.
(cgraph_optimize): Execute late passes; remove unreachable funcions after
materialization.
* ipa-inline.c (gate_ipa_inline): Enable only when optimizing or LTOing.
* passes.c (all_late_ipa_passes): Declare.
(dump_passes, register_pass): Handle late ipa passes.
(init_optimization_passes): Move ipa_pta to late passes; schedule fixup_cfg
at beggining of all_passes.
(apply_ipa_transforms): New function.
(execute_one_pass): When doing simple ipa pass, apply all transforms.

From-SVN: r175336

params.c: Include common/common-target.h.

* params.c: Include common/common-target.h.  Don't include tm.h.
(lang_independent_params): Move from toplev.c.
(global_init_params): New.
* params.h (global_init_params): Declare.
* target.def (default_params): Move to common-target.def.
* toplev.c (lang_independent_options): Remove.
(lang_independent_params): Move to params.c.
(general_init): Use global_init_params.
* common/common-target.def (option_default_params): Move from
target.def.
* common/config/ia64/ia64-common.c: Include params.h.
(ia64_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
from ia64.c.
* common/config/rs6000/rs6000-common.c: Include params.h.
(rs6000_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
from rs6000.c.
* common/config/sh/sh-common.c: Include params.h.
(sh_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
from sh.c.
* common/config/spu/spu-common.c: Include params.h.
(spu_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
from spu.c.
* config/ia64/ia64.c (ia64_option_default_params,
TARGET_OPTION_DEFAULT_PARAMS): Move to ia64-common.c.
* config/rs6000/rs6000.c (rs6000_option_default_params,
TARGET_OPTION_DEFAULT_PARAMS): Move to rs6000-common.c.
* config/sh/sh.c (sh_option_default_params,
TARGET_OPTION_DEFAULT_PARAMS): Move to sh-common.c.
* config/spu/spu.c (spu_option_default_params,
TARGET_OPTION_DEFAULT_PARAMS): Move to spu-common.c.
* Makefile.in (OBJS): Remove params.o.
(OBJS-libcommon-target): Add params.o.
(params.o, $(common_out_object_file)): Update dependencies.
* doc/tm.texi: Regenerate.

From-SVN: r175330

tie2.cc: Fix for C++0x mode.

2011-06-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

* testsuite/tr1/6_containers/tuple/creation_functions/tie2.cc: Fix for
C++0x mode.
* testsuite/25_algorithms/sort/35588.cc: Likewise.
* testsuite/26_numerics/headers/complex/synopsis.cc: Likewise.

From-SVN: r175329

re PR bootstrap/49383 (powerpc64-linux bootstrap failure due to ice in cgraph_only_called_directly_p)

PR bootstrap/49383
* config/rs6000/rs6000.c (call_ABI_of_interest): Adjust cgraph
invocation for 2011-06-09 changes.

From-SVN: r175328

Daily bump.

From-SVN: r175327

socket.cc: Use variable and remove attribute.

2011-06-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

* testsuite/20_util/bind/socket.cc: Use variable and remove attribute.

From-SVN: r175322

pat_trie_base.hpp: Avoid -Wall warning.

2011-06-22  Paolo Carlini  <paolo.carlini@oracle.com>

* include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Avoid -Wall
warning.

From-SVN: r175321

invoke.cc: Avoid -Wall warnings.

2011-06-22  Paolo Carlini  <paolo.carlini@oracle.com>

* testsuite/20_util/reference_wrapper/invoke.cc: Avoid -Wall warnings.
* testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
* testsuite/20_util/reference_wrapper/invoke-2.cc: Likewise.
* testsuite/20_util/allocator_traits/members/allocate_hint.cc:
Likewise.
* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
* testsuite/20_util/bind/socket.cc: Likewise.
* testsuite/20_util/pointer_traits/pointer_to.cc: Likewise.
* testsuite/util/testsuite_random.h: Likewise.

From-SVN: r175318

re PR middle-end/49373 (Many testcase failures)

PR middle-end/49373
* g++.dg/torture/pr43879-1_1.C: Xfail for -O1 and above, except -flto.

From-SVN: r175317

re PR regression/47836 (Some Cross Compiler can't build target-libiberty or target-zlib)

PR regression/47836
PR bootstrap/23656
PR other/47733
PR bootstrap/49247
PR c/48825
* configure.ac (target_libraries): Remove target-libiberty.
Remove case-statement setting skipdirs=target-libiberty for
multiple targets.  Remove checking target_configdirs and
removing target-libiberty but keeping target-libgcc if
otherwise empty.
* Makefile.def (target_modules): Don't add libiberty.
(dependencies): Remove all traces of target-libiberty.
* configure, Makefile.in: Regenerate.
(add missing PR annotation in the ChangeLog entry)

From-SVN: r175316

re PR libgomp/49490 (suboptimal load balancing in loops)

PR libgomp/49490
* omp-low.c (expand_omp_for_static_nochunk): Only
use n ceil/ nthreads size for the first
n % nthreads threads in the team instead of
all threads except for the last few ones which
get less work or none at all.

* iter.c (gomp_iter_static_next): For chunk size 0
only use n ceil/ nthreads size for the first
n % nthreads threads in the team instead of
all threads except for the last few ones which
get less work or none at all.
* iter_ull.c (gomp_iter_ull_static_next): Likewise.
* env.c (parse_schedule): If OMP_SCHEDULE doesn't have
chunk argument, set run_sched_modifier to 0 for static
resp. 1 for other kinds.  If chunk argument is 0
and not static, set value to 1.

From-SVN: r175315

re PR debug/49496 (-fcompare-debug failure (length) with -O -ftree-vectorize)

PR debug/49496
* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Ignore debug
uses.

* gcc.dg/pr49496.c: New test.

From-SVN: r175314

scd42-3.c: Allow -march-xscale; skip if -mcpu is not xscale.

* gcc.target/arm/scd42-3.c: Allow -march-xscale; skip if -mcpu
is not xscale.

From-SVN: r175312

* gcc.target/arm/thumb-bitfld1.c: Don't specify -march, require thumb1.

From-SVN: r175311

ctz.c: Don't specify -march, require thumb2.

* gcc.target/arm/ctz.c: Don't specify -march, require thumb2.
* gcc.target/arm/pr42879.c: Likewise.
* gcc.target/arm/pr45701-3.c: Likewise.

From-SVN: r175310

stl_construct.h: Update Copyright years.

2011-06-22  Paolo Carlini  <paolo.carlini@oracle.com>

* include/bits/stl_construct.h: Update Copyright years.
* include/bits/stl_uninitialized.h: Likewise.

From-SVN: r175309

20031108-1.c: Require thumb1 or thumb2.

* gcc.target/arm/20031108-1.c: Require thumb1 or thumb2.
* gcc.target/arm/pr40482.c: Likewise.
* gcc.target/arm/stack-corruption.c: Likewise.

From-SVN: r175308

re PR regression/47836 (Some Cross Compiler can't build target-libiberty or target-zlib)

PR regression/47836
PR bootstrap/23656
PR other/47733
PR bootstrap/49247
* configure.ac (target_libraries): Remove target-libiberty.
Remove case-statement setting skipdirs=target-libiberty for
multiple targets.  Remove checking target_configdirs and
removing target-libiberty but keeping target-libgcc if
otherwise empty.
* Makefile.def (target_modules): Don't add libiberty.
(dependencies): Remove all traces of target-libiberty.
* configure, Makefile.in: Regenerate.
(fixing PR annotations in the ChangeLog entry)

From-SVN: r175307

Makefile.am: Add alloc_traits.h headers.

2011-06-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

* include/Makefile.am: Add alloc_traits.h headers.
* include/Makefile.in: Regenerate.
* include/std/memory: Include uses_allocator.h explicitly.
* include/bits/allocator.h (allocator_traits): Move to ...
* include/bits/alloc_traits.h: New header.
* include/ext/alloc_traits.h (__alloc_traits): Extension to provide
a common allocator interface for C++98 and C++0x.
* include/bits/stl_construct.h: Use __alloc_traits.
* include/bits/stl_uninitialized.h: Likewise.

From-SVN: r175305

re PR regression/47836 (Some Cross Compiler can't build target-libiberty or target-zlib)

PR47836
PR23656
PR47733
PR49247
* configure.ac (target_libraries): Remove target-libiberty.
Remove case-statement setting skipdirs=target-libiberty for
multiple targets.  Remove checking target_configdirs and
removing target-libiberty but keeping target-libgcc if
otherwise empty.
* Makefile.def (target_modules): Don't add libiberty.
(dependencies): Remove all traces of target-libiberty.
* configure, Makefile.in: Regenerate.

From-SVN: r175304

re PR tree-optimization/49493 (ICE: in insert_vi_for_tree, at tree-ssa-structalias.c:2637 with -O -fipa-pta)

2011-06-22  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49493
* tree-ssa-structalias.c (get_constraint_for_ssa_var):
Refer to the alias target of variables.
(associate_varinfo_to_alias_1): Remove.
(ipa_pta_execute): Do not associate aliases with anything.
* cgraph.h (varpool_alias_aliased_node): Fix cut&paste errors.
(cgraph_function_node): Likewise.
(cgraph_function_or_thunk_node): Likewise.
(varpool_variable_node): Likewise.

* gcc.dg/ipa/ipa-pta-17.c: New testcase.

From-SVN: r175300

Revert:

2011-06-22  Uros Bizjak  <ubizjak@gmail.com>

* gcc.dg/torture/tls/run-le.c: Skip for -pie on alpha*-*-linux*.
* gcc.dg/torture/tls/tls-test.c: Ditto.
* gcc.dg/torture/tls/thr-init-1.c: Ditto.
* gcc.dg/torture/tls/thr-init-2.c: Ditto.

Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
From-SVN: r175299

arm.h (OPTION_DEFAULT_SPECS): Fix -mtls-dialect typo.

* config/arm/arm.h (OPTION_DEFAULT_SPECS): Fix -mtls-dialect
typo.
* config.gcc (arm*-*-linux*): Default to gnu tls.
(arm*-*-*): Add --with-tls option.
(all_defaults): Add 'tls'.

From-SVN: r175298

reg-notes.def (REG_CFA_WINDOW_SAVE): New.

* reg-notes.def (REG_CFA_WINDOW_SAVE): New.
* dwarf2out.c (dwarf2out_frame_debug): Handle it.
(dwarf2out_frame_debug_cfa_window_save): Rename from
dwarf2out_window_save; make static.
* tree.h (dwarf2out_window_save): Don't declare.

* config/sparc/sparc.c (sparc_dwarf_handle_frame_unspec): Remove.
(TARGET_DWARF_HANDLE_FRAME_UNSPEC): Remove.
(emit_save_register_window): Rename from gen_save_register_window;
emit the insn and add REG_CFA_* notes.
(sparc_expand_prologue): Update to match.
* config/sparc/sparc.md (save_register_window_1): Simplify from
save_register_window<P:mode>.

From-SVN: r175297

re PR c++/49260 ([C++0x] lambda-eh2.C fails execution)

PR c++/49260
* call.c (build_call_a): Set cp_function_chain->can_throw here.
(build_cxx_call): Not here.

From-SVN: r175296

Check TARGET_PARTIAL_REG_STALL in imul to lea peepholes.

2011-06-22  H.J. Lu  <hongjiu.lu@intel.com>

PR target/49497
* config/i386/i386.md (*lea_general_2): Always allow SImode.
(*lea_general_2_zext): Likewise.
(imul to lea peepholes): Use const359_operand and check
TARGET_PARTIAL_REG_STALL.

* config/i386/predicates.md (const359_operand): New.

From-SVN: r175295

* cgraphunit.c (assemble_thunk): Use correct return type.

From-SVN: r175294

arm.c (neon_immediate_valid_for_shift): New function.

2011-06-22  Dmitry Plotnikov  <dplotnikov@ispras.ru>
Dmitry Melnik  <dm@ispras.ru>

* config/arm/arm.c (neon_immediate_valid_for_shift): New function.
(neon_output_shift_immediate): Ditto.
* config/arm/arm-protos.h (neon_immediate_valid_for_shift): New
prototype.
(neon_output_shift_immediate): Ditto.
* config/arm/neon.md (vashl<mode>3): Modified constraint.
(vashr<mode>3_imm): New insn pattern.
(vlshr<mode>3_imm): Ditto.
(vashr<mode>3): Modified constraint.
(vlshr<mode>3): Ditto.
* config/arm/predicates.md (imm_for_neon_lshift_operand): New
predicate.
(imm_for_neon_rshift_operand): Ditto.
(imm_lshift_or_reg_neon): Ditto.
(imm_rshift_or_reg_neon): Ditto.

* optabs.c (init_optabs): Init optab codes for vashl, vashr, vlshr.

testsuite:

* gcc.target/arm/neon-vshr-imm-1.c: New testcase.
* gcc.target/arm/neon-vshl-imm-1.c: New testcase.
* gcc.target/arm/neon-vlshr-imm-1.c: New testcase.

Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
From-SVN: r175293

enable-execute-stack-empty.c (__enable_execute_stack): Add prototype.

* enable-execute-stack-empty.c (__enable_execute_stack): Add prototype.

From-SVN: r175292

run-le.c: Skip for -pie on alpha*-*-linux*.

* gcc.dg/torture/tls/run-le.c: Skip for -pie on alpha*-*-linux*.
* gcc.dg/torture/tls/tls-test.c: Ditto.
* gcc.dg/torture/tls/thr-init-1.c: Ditto.
* gcc.dg/torture/tls/thr-init-1.c: Ditto.

From-SVN: r175291

tree-ssa-ccp.c (evaluate_stmt): Try bitwise tracking for builtin calls even if likelyvalue is not CONSTANT.

* tree-ssa-ccp.c (evaluate_stmt): Try bitwise tracking for
builtin calls even if likelyvalue is not CONSTANT.
Handle BUILT_IN_STRDUP and BUILT_IN_STRNDUP like BUILT_IN_MALLOC.
Return get_value_for_expr of first operand
for BUILT_IN_{MEM{CPY,MOVE,SET},STR{,N}CPY}{,_CHK}.
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
BUILT_IN_{MEM{{,P}CPY,MOVE,SET},STR{,N}C{PY,AT},STPCPY}_CHK like
their non-checking counterparts.
(call_may_clobber_ref_p_1): Likewise.
(stmt_kills_ref_p_1): Handle BUILT_IN_MEM{{,P}CPY,MOVE,SET}_CHK
like their non-checking counterparts.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
Handle BUILT_IN_{MEM{{,P}CPY,MOVE,SET},STR{,N}C{PY,AT},STPCPY}_CHK
like their non-checking counterparts.
(find_func_clobbers): Likewise.
* tree-ssa-dce.c (propagate_necessity): Handle BUILT_IN_MEMSET_CHK
like BUILT_IN_MEMSET and BUILT_IN_CALLOC like BUILT_IN_MALLOC.

From-SVN: r175290

dwarf2out.c (size_of_loc_descr, [...]): Allow DW_OP_GNU_convert and DW_OP_GNU_reinterpret to use constant instead of...

* dwarf2out.c (size_of_loc_descr, output_loc_operands,
mark_base_types, hash_loc_operands, compare_loc_operands): Allow
DW_OP_GNU_convert and DW_OP_GNU_reinterpret to use constant instead
of base type reference as argument.
(resolve_addr_in_expr): Likewise.  Fix keep computation.
(convert_descriptor_to_signed): Renamed to...
(convert_descriptor_to_mode): ... this.  For wider types convert
to unsigned instead of signed, for <= DWARF2_ADDR_SIZE convert to
untyped.
(typed_binop): New function.
(scompare_loc_descriptor, ucompare_loc_descriptor,
minmax_loc_descriptor, mem_loc_descriptor): For wider integer modes
default to unsigned type instead of signed.

From-SVN: r175289

re PR debug/47858 (IPA-SRA decreases quality of debug info)

PR debug/47858
* gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_SOURCE_BIND.
(gimple_build_debug_source_bind_stat): New prototype.
(gimple_build_debug_source_bind): Define.
(gimple_debug_source_bind_p, gimple_debug_source_bind_get_var,
gimple_debug_source_bind_get_value,
gimple_debug_source_bind_get_value_ptr,
gimple_debug_source_bind_set_var,
gimple_debug_source_bind_set_value): New inlines.
* gimple.c (gimple_build_debug_source_bind_stat): New function.
* gimple-pretty-print.c (dump_gimple_debug): Handle
GIMPLE_DEBUG_SOURCE_BIND.
* sese.c (rename_uses): Handle gimple_debug_source_bind_p.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
* tree-parloops.c (eliminate_local_variables,
separate_decls_in_region): Likewise.
(separate_decls_in_region_debug): Renamed from
separate_decls_in_region_debug_bind.  Handle
gimple_debug_source_bind_p.
* tree.h (decl_debug_args_lookup, decl_debug_args_insert): New
prototypes.
(DECL_HAS_DEBUG_ARGS_P): Define.
(struct tree_function_decl): Add has_debug_args_flag field.
* tree.c (debug_args_for_decl): New variable.
(decl_debug_args_lookup, decl_debug_args_insert): New functions.
* tree-into-ssa.c (mark_def_sites): Handle uses in debug stmts.
(rewrite_debug_stmt_uses): New function.
(rewrite_stmt): Use it to rewrite debug stmt uses.
* rtl.def (DEBUG_PARAMETER_REF): New.
* rtl.h (DEBUG_PARAMETER_REF_DECL): Define.
* cselib.c (rtx_equal_for_cselib_1, cselib_hash_rtx): Handle
DEBUG_PARAMETER_REF.
* rtl.c (rtx_equal_p_cb, rtx_equal_p, iterative_hash_rtx): Likewise.
* print-rtl.c (print_rtx): Likewise.
* tree-sra.c (sra_ipa_reset_debug_stmts): Prefer replacing of
SSA_NAMEs with DEBUG_EXPR_DECLs initialized in source bind
debug stmts in the first bb.
* tree-inline.c (remap_ssa_name): If remapping default def
of a PARM_DECL fails, map to a DEBUG_EXPR_DECL set in
a source bind debug stmt.
(remap_gimple_stmt): Handle gimple_debug_source_bind_p.
(maybe_move_debug_stmts_to_successors): Likewise.
(copy_debug_stmt): Likewise.  Avoid shadowing a variable.
(tree_function_versioning): If DECL_HAS_DEBUG_ARGS_P, copy
debug args vector from old_decl to new_decl.
* ipa-prop.c (ipa_modify_call_arguments): For optimized away
or modified parameters, add debug bind stmts before call
setting DEBUG_EXPR_DECL which is remembered in debug args
vector.
* cfgexpand.c (expand_call_stmt): Call expand_debug_expr
on DECL_DEBUG_EXPRs from debug args vector.
(expand_debug_source_expr): New function.
(expand_debug_locations): Use it for source bind insns.
(expand_gimple_basic_block): Handle gimple_debug_source_bind_p.
* var-tracking.c (prepare_call_arguments): Add debug args
to call_arguments if any.
* dwarf2out.c (dwarf_stack_op_name, size_of_loc_descr,
output_loc_operands, output_loc_operands_raw,
resolve_addr_in_expr, compare_loc_operands): Handle
DW_OP_GNU_parameter_ref.
(get_ref_die_offset, parameter_ref_descriptor): New functions.
(mem_loc_descriptor): Handle DEBUG_PARAMETER_REF.
(gen_subprogram_die): Handle parameters identified by
DEBUG_PARAMETER_REF.

* dwarf2.h (enum dwarf_location_atom): Add DW_OP_GNU_parameter_ref.

From-SVN: r175288

invoke.texi (ARM Options): Document -mtls-dialect option.

* doc/invoke.texi (ARM Options): Document -mtls-dialect option.
* doc/install.texi (Configuration): Document --with-tls.
* config.gcc (arm*-*-linux*): Default to gnu tls.
(arm*-*-*): Add --with-tls option.
(all_defaults): Add 'tls'.
* config/arm/arm.c (enum tls_reloc): Add TLS_DESCSEQ.
(arm_call_tls_get_addr): Clean up. Assert not tls descriptor.
(arm_tls_descseq_addr): New.
(legitimize_tls_address): Add tlsdesc support.
(arm_cannot_copy_insn_p): Check for tlscall.
(arm_emit_tls_decoration): Likewise.
* config/arm/arm.h (TARGET_GNU2_TLS): New.
(OPTION_DEFAULT_SPECS): Add with-tls support.
* config/arm/arm.md (R1_REGNUM): Define.
(tlscall): New.
* config/arm/arm.opt (tls_type): New enumeration type and values.
(mtls-dialect): New switch.
* config/arm/arm-opts.h (enum tls_type): New.

testsuite/
* gcc.target/arm/tlscall.c: New.

From-SVN: r175287

In gcc/: 2011-06-21 Nicola Pero <nicola.pero@meta-innovation.com>

In gcc/:
2011-06-21  Nicola Pero  <nicola.pero@meta-innovation.com>

* attribs.c (register_attribute): Added assert to check that all
attribute specs are registered with a name that is not empty and
does not start with '_'.
(decl_attributes): Avoid the lookup of the "naked" attribute spec
if the function has no attributes.
* tree.c (is_attribute_with_length_p): Removed.
(is_attribute_p): Removed.
(private_is_attribute_p): New.
(private_lookup_attribute): New.
(lookup_attribute): Removed.
(lookup_ident_attribute): New.
(remove_attribute): Require the first argument to be in the form
'text', not '__text__'.  Updated asserts.
(merge_attributes): Use lookup_ident_attributes instead of
lookup_attribute.
(merge_dllimport_decl_attributes): Use remove_attribute.
(attribute_list_contained): Likewise.
(attribute_list_equal): Immediately return 1 if the arguments are
identical pointers.
* tree.h (is_attribute_p): Made inline.  Return a 'bool', not an
'int'.  Require the first argument to be in the form 'text', not
'__text__'.  Require the second argument to be an identifier.
(lookup_attribute): Made inline.  Require the first argument to be
in the form 'text', not '__text__'.
(private_is_attribute_p, private_lookup_attribute): New.
Updated comments.

From-SVN: r175286

ChangeLog: Fix formatting.

* ChangeLog: Fix formatting.
* testsuite/ChangeLog: Ditto.

From-SVN: r175285

re PR c++/49172 ([C++0x][constexpr] References should be declarable with constexpr)

PR c++/49172
* decl.c (cp_finish_decl): Adjust init_const_expr_p for refs.
(grokdeclarator): constexpr doesn't apply const for refs.
* parser.c (cp_parser_initializer_clause): Don't call
maybe_constant_value here.
* call.c (initialize_reference): Handle constexpr.

From-SVN: r175284