[multiple changes]

2011-05-26  Paul Thomas  <pault@gcc.gnu.org>
    Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/48955
* trans-expr.c (gfc_trans_assignment_1): GFC_REVERSE_NOT_SET
changed to GFC_ENABLE_REVERSE.
* trans-array.c (gfc_init_loopinfo): GFC_CANNOT_REVERSE changed
to GFC_INHIBIT_REVERSE.
* gfortran.h : Enum gfc_reverse is now GFC_ENABLE_REVERSE,
GFC_FORWARD_SET, GFC_REVERSE_SET and GFC_INHIBIT_REVERSE.
* dependency.c (gfc_dep_resolver): Change names for elements of
gfc_reverse as necessary. Change the logic so that forward
dependences are remembered as well as backward ones. When both
have appeared, force a temporary.

2011-05-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/48955
* gfortran.dg/dependency_40.f90 : New test.

From-SVN: r174302

re PR fortran/18918 (Eventually support Fortran 2008's coarrays [co-arrays])

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_conv_array_ref): Handle pointer coarrays.
        * trans-decl.c (has_coarray_vars, caf_init_block,
        gfor_fndecl_caf_register): New file-global variables.
        (gfc_finish_var_decl): Make sure that coarrays in main are static.
        (gfc_build_qualified_array): Generate coarray token variable.
        (gfc_get_symbol_decl): Don't use a static initializer for coarrays.
        (gfc_build_builtin_function_decls): Set gfor_fndecl_caf_register.
        (gfc_trans_deferred_vars, gfc_emit_parameter_debug_info): Skip for
        static coarrays.
        (generate_local_decl): Check for local coarrays.
        (create_main_function): SYNC ALL before calling MAIN.
        (generate_coarray_sym_init): Register static coarray.
        (generate_coarray_init): Generate CAF registering constructor
        function.
        (gfc_generate_function_code): Call it, if needed, do not create
        cgraph twice.
        (gfc_generate_module_vars, gfc_process_block_locals): Call
        generate_coarray_init.
        * trans-types.c (gfc_get_nodesc_array_type): Generate pointers
        * for
        -fcoarray=lib.
        * trans.h (gfor_fndecl_caf_register): New variable.
        (lang_type): New element caf_token.
        (GFC_TYPE_ARRAY_CAF_TOKEN): New macro.

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/registering_1.f90: New.

From-SVN: r174301

make TS_BLOCK a substructure of TS_BASE

make TS_BLOCK a substructure of TS_BASE
gcc/
* tree.c (initialize_tree_contains_struct): Mark TS_BLOCK as
TS_BASE instead of TS_COMMON.
(find_decls_types_r): Check for TS_TYPED structure before looking at
TREE_TYPE.
* tree.h (struct tree_block): Inherit from tree_base, not tree_common.
Add chain field.
(BLOCK_CHAIN): Use new chain field.

gcc/c-family/
* c-common.c (warning_candidate_p): Check for BLOCKs.

gcc/java/
* decl.c (poplevel): Don't access TREE_TYPE of BLOCKs.
* expr.c (build_jni_stub): Likewise.

From-SVN: r174300

lto.c (uniquify_nodes): Fix bug in one of the previous changes.

2011-05-26  Richard Guenther  <rguenther@suse.de>

lto/
* lto.c (uniquify_nodes): Fix bug in one of the previous changes.

From-SVN: r174296

list.cc: Use noexcept per the FDIS.

2011-05-26  Paolo Carlini  <paolo.carlini@oracle.com>

* src/list.cc: Use noexcept per the FDIS.
* src/compatibility-list-2.cc: Likewise.
* include/debug/set.h: Likewise.
* include/debug/unordered_map: Likewise.
* include/debug/multiset.h: Likewise.
* include/debug/forward_list: Likewise.
* include/debug/unordered_set: Likewise.
* include/debug/vector: Likewise.
* include/debug/map.h: Likewise.
* include/debug/deque: Likewise.
* include/debug/list: Likewise.
* include/debug/multimap.h: Likewise.
* include/profile/set.h: Likewise.
* include/profile/unordered_map: Likewise.
* include/profile/multiset.h: Likewise.
* include/profile/forward_list: Likewise.
* include/profile/vector: Likewise.
* include/profile/unordered_set: Likewise.
* include/profile/map.h: Likewise.
* include/profile/deque: Likewise.
* include/profile/list: Likewise.
* include/profile/multimap.h: Likewise.
* include/bits/hashtable.h: Likewise.
* include/bits/stl_list.h: Likewise.
* include/bits/stl_map.h: Likewise.
* include/bits/hashtable_policy.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/forward_list.h: Likewise.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_vector.h: Likewise.
* include/bits/stl_deque.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_bvector.h: Likewise.
* include/bits/stl_tree.h: Likewise.

From-SVN: r174295

rs6000.c (rs6000_register_move_cost): Make LR/CTR moves expensive on Power7 also.

        * config/rs6000/rs6000.c (rs6000_register_move_cost): Make LR/CTR
        moves expensive on Power7 also.

From-SVN: r174292

fold-const.c (fold_unary_loc): Remove bogus code.

2011-05-26  Richard Guenther  <rguenther@suse.de>

* fold-const.c (fold_unary_loc): Remove bogus code.

From-SVN: r174290

fix pr marker

From-SVN: r174288

make TS_IDENTIFIER be a substructure of TS_TYPED

make TS_IDENTIFIER be a substructure of TS_TYPED
gcc/
* tree.h (struct tree_identifier): Inherit from tree_typed, not
tree_common.
(HT_IDENT_TO_GCC_IDENT): Adjust for said change.
* tree.c (initialize_tree_contains_struct): Mark TS_IDENTIFIER as
TS_BASE instead of TS_COMMON.
* varasm.c (assemble_name): Remove assert.

gcc/c-family/
* c-common.h (struct c_common_identifier): Inherit from tree_typed,
not tree_common.

From-SVN: r174286

re PR c++/48424 (C++0x parameter packs expansion problem)

PR c++/48424
* decl.c (grokparms): Function parameter packs don't need to
go at the end.
* pt.c (type_unification_real): But they aren't deduced otherwise.

From-SVN: r174285

Makefile.in (srcdirify): Change order so that libgcc_objdir is substituted first.

* Makefile.in (srcdirify): Change order so that libgcc_objdir is
substituted first.
* libgcc-std.ver: Delete file.

From-SVN: r174284

re PR tree-optimization/48702 (optimization regression with gcc-4.6 on x86_64-unknown-linux-gnu)

2011-05-26  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/48702
* tree-ssa-address.c (create_mem_ref_raw): Create MEM_REFs
only when we know the base address is within bounds.
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Do not
assume the base address of TARGET_MEM_REFs is in bounds.

* gcc.dg/torture/pr48702.c: New testcase.

From-SVN: r174282

re PR target/49099 (sparc.c:‘sparc_solaris_elf_asm_named_section’ declared ‘static’ but never defined)

PR target/49099
* config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Wrap
declaration in TARGET_SOLARIS.

From-SVN: r174279

picochip.md (cbranchhi4): No :CC for match_operator.

        * config/picochip/picochip.md (cbranchhi4): No :CC for match_operator.
          The instruction is then expanded explicitly.
        (supported_compare): Callable instruction.
        (compare): Likewise.

From-SVN: r174277

Fixed one of my last ChangeLog entries

From-SVN: r174276

tree-prof.exp: Check for -fprofile-generate support.

 gcov-profile/48845
* g++.dg/tree-prof/tree-prof.exp: Check for -fprofile-generate
support.
* gcc.dg/matrix/matrix.exp: Likewise.
* gcc.dg/tree-prof/tree-prof.exp: Likewise.
* lib/target-supports-dg.exp (dg-require-profiling): Don't pass
line number to check_profiling_available.
* lib/target-supports.exp (check_profiling_available): Account for
this.
Require TLS runtime support with -fprofile-generate.
* lib/profopt.exp (profopt-execute): Add TLS options for
-fprofile-generate.
* gcc.dg/pr47793.c: Add dg-require-profiling "-fprofile-generate".

From-SVN: r174275

re PR c++/49165 (ICE on for-loop/throw combination)

PR c++/49165
* gimplify.c (shortcut_cond_r): Don't special case
COND_EXPRs if they have void type on one of their arms.

* g++.dg/eh/cond5.C: New test.

From-SVN: r174273

haifa-sched.c (schedule-block): Reorder the inner scheduling loop to reduce duplication...

* haifa-sched.c (schedule-block): Reorder the inner scheduling loop
to reduce duplication, and to achieve a slightly more logical order
of operations.

From-SVN: r174271

re PR tree-optimization/49161 (Fix VRP on switch stmts)

PR tree-optimization/49161
* tree-vrp.c (struct case_info): New type.
(compare_case_labels): Sort case_info structs instead of
trees, and not primarily by CASE_LABEL uids but by
label_for_block indexes.
(find_switch_asserts): Put case labels into struct case_info
array instead of TREE_VEC, adjust sorting, compare label_for_block
values instead of CASE_LABELs.

* gcc.c-torture/execute/pr49161.c: New test.

From-SVN: r174270

In libobjc/: 2011-05-26 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2011-05-26  Nicola Pero  <nicola.pero@meta-innovation.com>

* sendmsg.c: Reindented part of the file.  No non-trivial changes
in code.

From-SVN: r174269

In libobjc/: 2011-05-26 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2011-05-26  Nicola Pero  <nicola.pero@meta-innovation.com>

* sendmsg.c (__objc_install_dtable_for_class): Use objc_getClass,
not objc_lookupClass.

From-SVN: r174268

Remove conflict marker

From-SVN: r174267

Fix generation of vorn and vbic for Neon.

From-SVN: r174266

re PR tree-optimization/49038 (-ftree-vectorise introduces reads past end of array)

        PR tree-optimization/49038
        * tree-vect-loop-manip.c (vect_generate_tmps_on_preheader):
        Ensure at least one epilogue iteration if required by data
        accesses with gaps.
        * tree-vectorizer.h (struct _loop_vec_info): Add new field
        to mark loops that require peeling for gaps.
        * tree-vect-loop.c (new_loop_vec_info): Initialize new field.
        (vect_get_known_peeling_cost): Take peeling for gaps into
        account.
        (vect_transform_loop): Generate epilogue if required by data
        access with gaps.
        * tree-vect-data-refs.c (vect_analyze_group_access): Mark the
        loop as requiring an epilogue if there are gaps in the end of
        the strided group.

From-SVN: r174265

Adjust gcc/testsuite/ChangeLog

From-SVN: r174264

pr25811-2.C: New.

2011-05-26  Fabien Chene  <fabien@gcc.gnu.org>
* g++.dg/init/pr25811-2.C: New.
* g++.dg/init/pr25811-3.C: New.
* g++.dg/init/pr25811-4.C: New.

From-SVN: r174263

godump.c (go_format_type): Output the first field with a usable Go type, if any.

* godump.c (go_format_type): Output the first field with a usable
Go type, if any.

From-SVN: r174262

fix pr marker

From-SVN: r174259

re PR c++/48536 ([C++0x] Automatic Enumerator Incrementation is not compliant with Clause 7.2/5)

PR c++/48536
* decl.c (build_enumerator): If incremented enumerator won't fit in
previous integral type, find one it will fit in.

From-SVN: r174258

re PR c++/48599 ([C++0x] no diagnostic for invalid use of auto with array declarator)

PR c++/48599
* decl.c (create_array_type_for_decl): Complain about array of auto.

From-SVN: r174257

re PR c++/49156 ([C++0x] Error reporting routines re-entered)

PR c++/49156
* error.c (dump_template_bindings): Set processing_template_decl
for a partial instantiation.

From-SVN: r174256

re PR c++/45401 ([C++0x] reference collapsing and reference qualifiers)

PR c++/45401
* decl.c (grokdeclarator): Don't change type when adding rvalue ref
to another reference type.

From-SVN: r174255

stl_queue.h: Use noexcept per the FDIS.

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

* include/bits/stl_queue.h: Use noexcept per the FDIS.
* include/bits/stl_stack.h: Likewise.

From-SVN: r174254

godump.c (go_format_type): Check for invalid type names, pointer target types, and struct field types.

* godump.c (go_format_type): Check for invalid type names, pointer
target types, and struct field types.

From-SVN: r174253

Daily bump.

From-SVN: r174252

gnu.ver: Correct last change, export instead at the existing @3.4.16.

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

* config/abi/pre/gnu.ver: Correct last change, export instead
at the existing @3.4.16.
* configure.ac: Revert last change.
* testsuite/util/testsuite_abi.cc: Likewise.
* configure: Regenerate.

From-SVN: r174246

documentation_hacking.xml: Minor corrections.

2011-05-26  Jonathan Wakely  <jwakely.gcc@gmail.com>

* doc/xml/manual/documentation_hacking.xml: Minor corrections.

From-SVN: r174245

mutex: Add doxygen comments.

2011-05-26  Jonathan Wakely  <jwakely.gcc@gmail.com>

* include/std/mutex: Add doxygen comments.

From-SVN: r174244

gnu.ver: Export recently added basic_streambuf and basic_stringbuf symbols @3.4.17.

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

* config/abi/pre/gnu.ver: Export recently added  basic_streambuf
and basic_stringbuf symbols @3.4.17.
* configure.ac: Update.
* testsuite/util/testsuite_abi.cc: Likewise.
* configure: Regenerate.

From-SVN: r174242

guard.cc: Fix comments.

2011-05-26  Jonathan Wakely  <jwakely.gcc@gmail.com>

* libsupc++/guard.cc: Fix comments.

From-SVN: r174241

re PR libstdc++/49060 (use of deleted memory in __gnu_cxx::hashtable::erase)

PR libstdc++/49060
* include/backward/hashtable.h (hashtable::erase): Don't crash if
erasing first and another element with a reference to the other
element.
* testsuite/backward/hash_set/49060.cc: New.

From-SVN: r174240

Fixed typo in last ChangeLog entry

From-SVN: r174238

re PR c++/44311 ([C++0x] no error with switch over enum class and integer case)

PR c++/44311
* decl.c (case_conversion): New.
(finish_case_label): Use it.

From-SVN: r174231

print-tree.c (print_node): Only look at TREE_TYPE if TS_TYPED.

* print-tree.c (print_node): Only look at TREE_TYPE if TS_TYPED.
* cp/ptree.c (cxx_print_xnode): Handle ARGUMENT_PACK_SELECT.

From-SVN: r174230

re PR c++/45698 (C++0x Variadic Templates: Infinite template recursion rather than an error message)

PR c++/45698
* pt.c (dependent_template_arg_p): See through ARGUMENT_PACK_SELECT.

From-SVN: r174229

re PR c++/46005 ([C++0x] Don't allow "auto" as the simple-type-specifier of a typedef)

PR c++/46145
* decl.c (grokdeclarator): Complain about auto typedef.

From-SVN: r174228

re PR c++/46245 ([C++0x] rejects function with late-specified return type as a non-type template parameter)

PR c++/46245
* decl.c (grokdeclarator): Complain later for auto parameter.
* pt.c (splice_late_return_type): Handle use in a template
type-parameter.

From-SVN: r174227

re PR c++/46696 ([C++0x] Implicit copy constructor can't construct array of subtype with user-defined copy constructor.)

PR c++/46696
* typeck.c (cp_build_modify_expr): Check DECL_DEFAULTED_FN.

From-SVN: r174226

re PR c++/47184 ([C++0x] initialization construct interpreted as function declaration‏‏)

PR c++/47184
* parser.c (cp_parser_parameter_declaration): Recognize
list-initialization.
(cp_parser_direct_declarator): Check for the closing
paren before parsing definitely.

From-SVN: r174225

sse.md (*<sse>_maskcmp<mode>3_comm): New pattern.

* config/i386/sse.md (*<sse>_maskcmp<mode>3_comm): New pattern.

From-SVN: r174224

Put back "register_operand" check in 32bit QI ext patterns.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

* config/i386/i386.md (*movqi_extv_1)): Put back
"register_operand" check in "type" calculation.
(*movqi_extzv_2): Likewise.

From-SVN: r174223

In libobjc/: 2011-05-25 Richard Frith-Macdonald <rfm@gnu.org> David Ayers <ayers@fsfe.org>

In libobjc/:
2011-05-25  Richard Frith-Macdonald <rfm@gnu.org>
    David Ayers  <ayers@fsfe.org>

PR libobjc/38037
* sendmsg.c: Include objc/hash.h.
(get_implementation): New function, mostly with code from get_imp
updated to support the new +initialize dispatch table logic.
(get_imp): Use get_implementation.
(__objc_responds_to): Updated to support the new +initialize
dispatch table logic.
(class_respondsToSelector): Likewise.
(objc_msg_lookup): Use get_implementation.
(__objc_init_install_dtable): Removed.
(__objc_install_methods_in_dtable): Updated arguments.
(__objc_install_dispatch_table_for_class): Renamed to
__objc_install_dtable_for_class and updated to support the new
+initialize dispatch table logic.
(__objc_update_dispatch_table_for_class): Updated to support the
new +initialize dispatch table logic.
(__objc_forward): Call get_implementation instead of get_imp.
(prepared_dtable_table): New.
(__objc_prepare_dtable_for_class): New.
(__objc_prepared_dtable_for_class): New.
(__objc_get_prepared_imp): New.
(__objc_install_prepared_dtable_for_class): New.

Co-Authored-By: David Ayers <ayers@fsfe.org>
From-SVN: r174221

random.h (random_device::min, max): Specify constexpr.

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

* include/bits/random.h (random_device::min, max): Specify constexpr.

From-SVN: r174219

c-common.c (def_fn_type): Remove extra va_end.

* c-common.c (def_fn_type): Remove extra va_end.

* gcc-interface/utils.c (def_fn_type): Remove extra va_end.

From-SVN: r174218

Update pause intrinsic.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

* doc/extend.texi (X86 Built-in Functions): Update pause
intrinsic.

From-SVN: r174217

re PR bootstrap/49160 (Bootstrap failure)

PR bootstrap/49160
* libgcc2.h (__powisf2, __powidf2, __powitf2, __powixf2,
__mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3,
__divxc3, __divtc3): Wrap definitions in #ifndef.

From-SVN: r174216

fp16-compile-none-1.c: Update expected error.

* gcc.target/arm/fp16-compile-none-1.c: Update expected error.
* g++.dg/abi/packed1.C: Suppress warning.
* g++.dg/warn/Wunused-parm-3.C: Likewise.
* g++.dg/template/stdarg1.C: Likewise.
* g++.dg/other/packed1.C: Remove arm from xfail list.

From-SVN: r174213

Replace q_regs_operand with QIreg_operand in QI ext patterns.

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

PR target/49142
* config/i386/i386.md (*movqi_extv_1_rex64): Remove
"register_operand" check and replace q_regs_operand with
QIreg_operand in "type" calculation.
(*movqi_extv_1): Likewise.
(*movqi_extzv_2_rex64): Likewise.
(*movqi_extzv_2): Likewise.

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

From-SVN: r174211

tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix type-based offset disambiguation...

2011-05-25  Richard Guenther  <rguenther@suse.de>

* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
type-based offset disambiguation, streamline MEM_REF and
TARGET_MEM_REF handling.

From-SVN: r174206

re PR c++/48935 ([C++0x] Name lookup error at enum class)

PR c++/48935
* parser.c (cp_parser_constructor_declarator_p): Don't check
constructor_name_p for enums.
(cp_parser_diagnose_invalid_type_name): Correct error message.

From-SVN: r174205

re PR c++/45418 ([C++0x] can't initialize array of non-trivial type with brace-init)

PR c++/45418
* init.c (perform_member_init): Handle list-initialization
of array of non-trivial class type.

From-SVN: r174204

re PR c++/45080 ([C++0x] Rejects lambda to function pointer conversion inside function template)

PR c++/45080
* pt.c (instantiate_class_template_1): Call maybe_add_lambda_conv_op.
* semantics.c (lambda_function): Check COMPLETE_OR_OPEN_TYPE_P.

From-SVN: r174203

thread: Use noexcept throughout per the FDIS.

2011-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

* include/std/thread: Use noexcept throughout per the FDIS.
* include/std/mutex: Likewise.

From-SVN: r174202

re PR c++/48292 ([C++0x] "sorry, unimplemented: use of 'type_pack_expansion' in template")

PR c++/48292
* pt.c (tsubst_decl) [PARM_DECL]: Handle partial instantiation of
function parameter pack.
(tsubst_pack_expansion): Likewise.

From-SVN: r174201

cp-objcp-common.c (cp_common_init_ts): TYPE_ARGUMENT_PACK has TS_COMMON.

* cp-objcp-common.c (cp_common_init_ts): TYPE_ARGUMENT_PACK has
TS_COMMON.

From-SVN: r174200

Remove spurious ChangeLog entry

From-SVN: r174198

Implement x86 pause intrinsic.

gcc/

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_PAUSE.
(bdesc_special_args): Add pause intrinsic.

* config/i386/i386.md (UNSPEC_PAUSE): New.
(pause): Likewise.
(*pause): Likewise.
* config/i386/ia32intrin.h (__pause): Likewise.

* doc/extend.texi (X86 Built-in Functions): Add documentation for
pause intrinsic.

gcc/testsuite/

2011-05-25  H.J. Lu  <hongjiu.lu@intel.com>

 * gcc.target/i386/pause-1.c: New.

From-SVN: r174197

re PR tree-optimization/46728 (GCC does not generate fmadd for pow (x, 0.75)+y on powerpc)

2011-05-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR tree-optimization/46728
* tree-ssa-math-opts.c (gimple_expand_builtin_pow): New.
(execute_cse_sincos): Add switch case for BUILT_IN_POW.

From-SVN: r174196

move TS_EXP to be a substructure of TS_TYPED

move TS_EXP to be a substructure of TS_TYPED
gcc/
* tree.h (struct tree_exp): Inherit from struct tree_typed.
* tree.c (initialize_tree_contains_struct): Mark TS_EXP as TS_TYPED
instead of TS_COMMON.

gcc/lto/
* lto.c (lto_ft_typed): New function.
(lto_ft_common): Call it.
(lto_ft_constructor): Likewise.
(lto_ft_expr): Likewise.
(lto_fixup_prevailing_decls): Check for TS_COMMON before accessing
TREE_CHAIN.

From-SVN: r174192

libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if LIBGCC2_GNU_PREFIX is defined.

gcc/
* libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if
LIBGCC2_GNU_PREFIX is defined.
(__N): New macro.
(__powisf2, __powidf2, __powitf2, __powixf2, __bswapsi2, __bswapdi2,
__mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3, __divxc3,
__divtc3, __udiv_w_sdiv, __clear_cache, __enable_execute_stack,
__clz_tab): Define using __N.
(__absvsi2, __negvsi2, __addvsi3, __subvsi3, __mulvsi3): Likewise if
COMPAT_SIMODE_TRAPPING_ARITHMETIC.
* target.def (libfunc_gnu_prefix): New hook.
* doc/tm.texi.in (LIBGCC2_GNU_PREFIX): Document.
(TARGET_LIBFUNC_GNU_PREFIX): Add hook.
* doc/tm.texi: Regenerate.
* system.h (LIBGCC2_GNU_PREFIX): Poison.
* optabs.c (gen_libfunc): Take the libfunc_gnu_prefix hook into
account.
(gen_interclass_conv_libfunc, gen_intraclass_conv_libfunc): Likewise.
(init_optabs): Likewise for the bswap libfuncs.
* tree.c (build_common_builtin_nodes): Likewise for complex multiply
and divide.
* config/t-slibgcc-elf-ver (SHLIB_MAPFILES): Use $$(libgcc_objdir).
* config/t-slibgcc-sld (SHLIB_MAPFILES): Likewise.
* libgcc-std.ver: Remove.
* Makefile.in (srcdirify): Handle $$(libgcc_objdir).
* config/frv/t-linux (SHLIB_MAPFILES): Use $$(libgcc_objdir) for
libgcc-std.ver.
* config/i386/t-linux (SHLIB_MAPFILES): Likewise.
* config/mips/t-slibgcc-irix (SHLIB_MAPFILES): Likewise.
* config/rs6000/t-aix43 (SHLIB_MAPFILES): Likewise.
* config/rs6000/t-aix52 (SHLIB_MAPFILES): Likewise.
* config/sparc/t-linux (SHLIB_MAPFILES): Likewise.
* config/i386/t-linux (SHLIB_MAPFILES): Likewise.
* config/i386/t-linux (SHLIB_MAPFILES): Likewise.
* config/fixed-bit.h (FIXED_OP): Define differently depending on
LIBGCC2_GNU_PREFIX. All uses changed not to pass leading underscores.
(FIXED_CONVERT_OP, FIXED_CONVERT_OP2): Likewise.

libgcc/
* libgcc-std.ver.in: New file.
* Makefile.in (LIBGCC_VER_GNU_PREFIX, LIBGCC_VER_SYMBOLS_PREFIX): New
variables.
(libgcc-std.ver): New rule.
* config/t-gnu-prefix: New file.

From-SVN: r174187

lto-streamer-out.c (output_record_start): Use lto_output_enum

* lto-streamer-out.c (output_record_start): Use lto_output_enum
(lto_output_tree): Use output_record_start.
* lto-streamer-in.c (input_record_start): Use lto_input_enum
(lto_get_pickled_tree): Use input_record_start.
* lto-section-in.c (lto_section_overrun): Turn into fatal error.
(lto_value_range_error): New function.
* lto-streamer.h (lto_value_range_error): Declare.
(lto_output_int_in_range, lto_input_int_in_range): New functions.
(lto_output_enum, lto_input_enum): New macros.

From-SVN: r174186

adaint.c (__gnat_to_canonical_file_list_next): Use array initialization instead of const/none-const pointer assignment.

2011-05-25  Kai Tietz  <ktietz@redhat.com>

        * adaint.c (__gnat_to_canonical_file_list_next): Use array
        initialization instead of const/none-const pointer assignment.

From-SVN: r174185

common.opt (flag_stack_usage_info): New variable.

* common.opt (flag_stack_usage_info): New variable.
(-Wstack-usage): New option.
* doc/invoke.texi (Warning options): Document -Wstack-usage.
* opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
<OPT_fstack_usage>: Likewise.
* toplev.c (output_stack_usage): Handle -Wstack-usage.
* calls.c (expand_call): Test flag_stack_usage_info variable instead
of flag_stack_usage.
(emit_library_call_value_1): Likewise.
* explow.c (allocate_dynamic_stack_space): Likewise.
* function.c (instantiate_virtual_regs ): Likewise.
(prepare_function_start): Likewise.
(rest_of_handle_thread_prologue_and_epilogue): Likewise.
* config/alpha/alpha.c (alpha_expand_prologue): Likewise.
* config/arm/arm.c (arm_expand_prologue): Likewise.
(thumb1_expand_prologue): Likewise.
* config/avr/avr.c (expand_prologue): Likewise.
* config/i386/i386.c (ix86_expand_prologue): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/m68k/m68k.c (m68k_expand_prologue): Likewise.
* config/mips/mips.c (mips_expand_prologue): Likewise.
* config/pa/pa.c (hppa_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/s390/s390.c (s390_emit_prologue): Likewise.
* config/sh/sh.c (sh_expand_prologue): Likewise.
* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
* config/spu/spu.c (spu_expand_prologue): Likewise.

From-SVN: r174182

gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.

2011-05-25  Richard Guenther  <rguenther@suse.de>

* gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
(gimple_canonical_types_compatible_p): Likewise.

From-SVN: r174181

re PR middle-end/49062 (Many C++ tests ICE on Tru64 UNIX: non-DECL_ONE_ONLY node in a same_comdat_group list)

2011-05-25  Jan Hubicka  <jh@suse.cz>

PR middle-end/49062
* ipa.c (function_and_variable_visibility): Only add to same
comdat group list if DECL_ONE_ONLY.

From-SVN: r174180

re PR rtl-optimization/49014 (ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7132 with even more insane set of flags)

        PR rtl-optimization/49014
        * config/i386/athlon.md (athlon_ssecomi): Change type to ssecomi.

From-SVN: r174172

re PR c/49128 (-march=native generates unsupported instructions)

PR target/49128
* config/i386/driver-i386.c (host_detect_local_cpu): Fix a typo.

From-SVN: r174171

cp-objcp-common.c (cp_common_init_ts): Mark CTOR_INITIALIZER as TS_TYPED.

* cp-objcp-common.c (cp_common_init_ts): Mark CTOR_INITIALIZER
as TS_TYPED.

From-SVN: r174170

re PR c++/49136 ([C++0x][constexpr] Incorrect constexpr c'tor evaluation with bitfields)

PR c++/49136
* semantics.c (cxx_eval_bit_field_ref): Handle the
case when BIT_FIELD_REF doesn't cover only a single field.

* g++.dg/cpp0x/constexpr-bitfield2.C: New test.
* g++.dg/cpp0x/constexpr-bitfield3.C: New test.

From-SVN: r174168

re PR go/48502 (os_test.TestStartProcess FAILs on Solaris 2)

PR go/48502
libgo/os: Fix test to run on Solaris.

Patch brought over from upstream library.

From-SVN: r174167

re PR rtl-optimization/48757 (internal compiler error: in compensate_edge, at reg-stack.c:2788)

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/48757
* ira-build.c (loop_with_eh_edge_p): Rename to
loop_with_complex_edge_p, check edges on complexity, make function
conditional.
(mark_loops_for_removal): Make call of loop_with_complex_edge_p
conditional.

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/48757
* gfortran.dg/pr48757.f:  New test case.

From-SVN: r174165

Daily bump.

From-SVN: r174157

dr2020.cc: Fix typo.

2011-05-24  Paolo Carlini  <paolo.carlini@oracle.com>

* testsuite/20_util/duration/arithmetic/dr2020.cc: Fix typo.

From-SVN: r174152

re PR c++/49042 ([C++0x] wrong "protected" when using template and decltype)

PR c++/49042
* pt.c (get_mostly_instantiated_function_type): Use
push_deferring_access_checks rather than set flag_access_control.

From-SVN: r174151

re PR libstdc++/49151 ([C++0x][constexpr] chrono::duration has incorrect non-member operator semantics)

2011-05-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/49151
* include/std/chrono (operator+, operator-, operator*, operator/,
operator&): Implement LWG 2020 [WP]; specify constexpr.
* testsuite/20_util/duration/arithmetic/dr2020.cc: New.

From-SVN: r174150

sparc.c (sparc_option_override): If not set by the user, force flag_ira_share_save_slots to 0.

* config/sparc/sparc.c (sparc_option_override): If not set by the user,
force flag_ira_share_save_slots to 0.

From-SVN: r174148

libgo: Make os.setenv_c work on systems without setenv.

From-SVN: r174147

var-tracking.c (compute_cfa_pointer): Adjust head comment.

* var-tracking.c (compute_cfa_pointer): Adjust head comment.
(vt_initialize): Set PROLOGUE_BB unconditionally.
Add block comment about CFA_BASE_RTX machinery.
Reset FP_CFA_OFFSET to -1 on all invalid paths.
Call vt_init_cfa_base only if FP_CFA_OFFSET isn't equal to -1.

From-SVN: r174146

libgo: Irix portability fixes (no declaration for getaddrinfo).

From Rainer Orth.

From-SVN: r174145

libgo: Solaris/Irix portability fixes.

From Rainer Orth.

From-SVN: r174144

In libobjc/: 2011-05-24 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>

PR libobjc/48177
* selector.c (__sel_register_typed_name): Use sel_types_match()
instead of strcmp() to compare selector types (Suggestion by
Richard Frith-Macdonald <rfm@gnu.org>).

In gcc/testsuite/:
2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>

PR libobjc/48177
* objc.dg/pr48177.m: New testcase.

From-SVN: r174143

In gcc/: 2011-05-24 Nicola Pero <nicola.pero@meta-innovation.com>

In gcc/:
2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>

PR objc/48187
* c-parser.c (c_parser_objc_class_instance_variables): More robust
parsing of syntax error in ObjC instance variable lists.  In
particular, avoid an infinite loop if there is a stray ']'.
Updated error message.

In gcc/cp/:
2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>,

* parser.c (cp_parser_objc_class_ivars): Deal gracefully with a
syntax error in declaring an ObjC instance variable.

In gcc/testsuite/:
2011-05-24  Nicola Pero  <nicola.pero@meta-innovation.com>

PR objc/48187
* objc.dg/pr48187.m: New testcase.
* obj-c++.dg/pr48187.mm: New testcase.
* objc.dg/ivar-extra-semicolon.m: New testcase.

From-SVN: r174142

godump.c (go_define): Don't accept a string immediately after another operand.

* godump.c (go_define): Don't accept a string immediately after
another operand.

From-SVN: r174141

godump.c (struct godump_container): Add invalid_hash field.

* godump.c (struct godump_container): Add invalid_hash field.
(go_format_type): Return false if type is found in invalid_hash.
(go_output_typedef): Add invalid type to invalid_hash.
(go_finish): Create and delete invalid_hash.

From-SVN: r174140

re PR c++/48884 (decltype's operand doesn't consider friend declaration)

PR c++/48884
* class.c (pushclass): Accept NULL argument.
(popclass): Deal with popping null class.
* pt.c (push_access_scope, pop_access_scope): Use them rather than
push_to_top_level/pop_from_top_level.
(push_deduction_access_scope, pop_defarg_context): New.
(fn_type_unification): Use them.
* name-lookup.c (lookup_name_real_1): Check current_class_type.

From-SVN: r174139

re PR tree-optimization/46728 (GCC does not generate fmadd for pow (x, 0.75)+y on powerpc)

2011-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR tree-optimization/46728
* tree-ssa-math-opts.c (powi_table): New.
(powi_lookup_cost): New.
(powi_cost): New.
(powi_as_mults_1): New.
(powi_as_mults): New.
(gimple_expand_builtin_powi): New.
(execute_cse_sincos): Add switch case for BUILT_IN_POWI.
(gate_cse_sincos): Remove sincos/cexp restriction.

From-SVN: r174129

re PR target/3746 (compilation of mips-tfile missing mips/a.out.h)

PR target/3746
* config.gcc (alpha*-dec-osf5.1*): Only build mips-tfile,
mips-tdump native.
* mips-tfile.c: Remove CROSS_DIRECTORY_STRUCTURE handling.
* mips-tdump.c: Likewise.

From-SVN: r174128

Always add -mno-XXX for -march=native.

2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>

PR target/49128
* config/i386/driver-i386.c (host_detect_local_cpu): Always
add -mno-XXX.  Handle FMA.

From-SVN: r174126

decl.c (grokdeclarator): Use current_class_name.

2011-05-24  Paolo Carlini  <paolo.carlini@oracle.com>

* decl.c (grokdeclarator): Use current_class_name.

From-SVN: r174125

[multiple changes]

2011-05-24  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/48633
* ira-build.c (loop_with_eh_edge_p): New function.
(mark_loops_for_removal): Use it.

2011-05-24  Michael Matz  <matz@gcc.gnu.org>

PR rtl-optimization/48633
* g++.dg/pr48633.C: New test.

From-SVN: r174124