invoke.texi: Correct usage of "command line" (noun) vs "command-line" (adjective) throughout.

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/invoke.texi: Correct usage of "command line" (noun)
vs "command-line" (adjective) throughout.

From-SVN: r183603

invoke.texi (Language Independent Options): Move -Wcoverage-mismatch blurb from here....

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

gcc/
* doc/invoke.texi (Language Independent Options): Move
-Wcoverage-mismatch blurb from here....
(Warning Options): ...to here.

From-SVN: r183602

rs6000.c (rs6000_option_override_internal): Set rs6000_always_hint to false for 476.

* config/rs6000/rs6000.c (rs6000_option_override_internal):
Set rs6000_always_hint to false for 476.

From-SVN: r183601

configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Use -gdwarf-4 -g3 -O0.

2012-01-27  Benjamin Kosnik  <bkoz@redhat.com>
    Matthias Klose  <doko@ubuntu.com>

* configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Use -gdwarf-4 -g3 -O0.
* configure.in: Regenerated.
* src/Makefile.am (all-once, install-data-once): New rules.
(all-local, install-data-local): Use them.
(build-debug, install-debug): Tweak.
* src/Makefile.in: Regenerate.

Co-Authored-By: Matthias Klose <doko@ubuntu.com>
From-SVN: r183599

Daily bump.

From-SVN: r183598

re PR c++/51370 (ICE with invalid template parameter)

/cp
2012-01-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51370
* error.c (dump_decl, [TEMPLATE_ID_EXPR]): Handle error_mark_node
as TREE_OPERAND (t, 1).

/testsuite
2012-01-26  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51370
* g++.dg/template/crash112.C: New.

From-SVN: r183593

gcc.c (add_sysrooted_prefix): Remove trailing dir separator from system root.

2012-01-27  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
          system root.
        * incpath.c (add_standard_paths): Likewise.

From-SVN: r183591

dwarf2.h (enum dwarf_form): Add Fission extensions.

* dwarf2.h (enum dwarf_form): Add Fission extensions.
(enum dwarf_attribute): Likewise.

From-SVN: r183588

m68k: Convert to atomic_test_and_set.

        * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
        * config/m68k/sync.md (atomic_test_and_set): Rename from
        sync_test_and_setqi and adjust the operands.
        (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
        and unconditionally enable.

From-SVN: r183585

sparc: Fix atomic_test_and_set definition.

        * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
        * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
        (ldstub): Rename from ldstubqi.
        (ldstub<I24MODE>): Remove.

From-SVN: r183584

Update gcc.dg/atomic-flag.c test for non-boolean TAS targets.

        * gcc.dg/atomic-flag.c: Adjust for __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.

From-SVN: r183583

libstdc++: Use __GCC_ATOMIC_TEST_AND_SET in atomic_flag.

        * include/bits/atomic_base.h (__atomic_flag_base): Define _M_i
        based on the value of __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
        (ATOMIC_FLAG_INIT): Initialize with 0, not false.
        (atomic_flag::atomic_flag): Use __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.

From-SVN: r183582

Define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL

        * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
        * c-cppbuiltin.c (cpp_atomic_builtins): Define
        __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
        * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
        * doc/tm.texi: Rebuild.

From-SVN: r183581

Use maybe_expand_insn in maybe_emit_atomic_test_and_set.

        * optabs.c (gen_atomic_test_and_set): Remove default.
        (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.

From-SVN: r183580

compiler: Don't make type fns for private fields in other packages.

From-SVN: r183579

libgo: Build stubs for some syscall functions not on older systems.

From-SVN: r183577

reassoc_4.f: Use dg-additional-options.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* gfortran.dg/reassoc_4.f: Use dg-additional-options.

From-SVN: r183570

re PR rtl-optimization/51978 (ext-elim-1.c ICE on powerpc64)

PR rtl-optimization/51978
* ree.c (make_defs_and_copies_lists): Change set_pat type
to const_rtx.
(combine_reaching_defs): Likewise.
(struct re_info): Remove.
(add_removable_extension): Remove x and data arguments,
add insn, insn_list and def_map.  Use the arguments directly
instead of using struct re_info.
(find_removable_extensions): Don't call add_removable_extension
through note_stores, instead just call it with single_set
result if non-NULL.
(find_and_remove_re): Pass curr_cand->expr instead of
PATTERN (curr_cand->insn) as set_pat argument to
combine_reaching_defs.

From-SVN: r183567

re PR tree-optimization/46590 (long compile time with -O2 and many loops)

PR tree-optimization/46590
* cfgexpand.c: Revert last change (r183305).
* gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
regs.
* tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
checking for emptiness.

From-SVN: r183566

make-relative-prefix.c (make_relative_prefix_1): Avoid warning about using preprocessor directives inside of macro arguments.

* make-relative-prefix.c (make_relative_prefix_1): Avoid warning
about using preprocessor directives inside of macro arguments.

From-SVN: r183561

re PR middle-end/51895 (ICE in simplify_subreg)

PR middle-end/51895
* expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
non-addressable non-BLKmode base correctly.

* g++.dg/opt/pr51895.C: New test.

From-SVN: r183560

re PR tree-optimization/48794 (ICE: SIGSEGV in remap_eh_region_nr (tree-inline.c:1194) with -Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop)

PR tree-optimization/48794
* tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
regions referenced from RESX/EH_DISPATCH.

testsuite/
* gfortran.dg/gomp/pr48794-2.f90: New testcase.

From-SVN: r183559

ssa-dom-thread-4.c: Set -mbranch-cost=2 for s390 and s390x.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* gcc.dg/ssa-dom-thread-4.c: Set -mbranch-cost=2 for s390 and
          s390x.

From-SVN: r183557

re PR bootstrap/51985 (Bootstrap failure due to revision 183457)

PR bootstrap/51985
* src/c++98/Makefile.am (libc__98_la_SOURCES,
libc__98convenience_la_SOURCES): Remove $(inst_sources).
* src/c++98/Makefile.in: Regenerated.

From-SVN: r183556

s390.h: Make BRANCH_COST an option.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* config/s390/s390.h: Make BRANCH_COST an option.
* config/s390/s390.opt: New option -mbranch-cost.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* gcc.dg/pr46309.c: Set branch-cost to 2 for s390 and s390x.
* gcc.dg/pr44194-1.c: Disable since s390 returns structs always in
memory.
* gfortran.dg/reassoc_4.f: Force max-completely-peeled-insns to
the default value for s390 and s390x.

From-SVN: r183555

libgo/mksysinfo: Always define IPV6_TCLASS.

From-SVN: r183552

libgo/mksysinfo: Correct typo.

From-SVN: r183549

Daily bump.

From-SVN: r183547

Remove a couple of object files committed by accident.

From-SVN: r183542

re PR fortran/51995 ([OOP] Polymorphic class fails at runtime)

2012-01-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51995
        * class.c (gfc_build_class_symbol): Fix invalid freeing
        issue with fclass->f2k_derived.

From-SVN: r183541

libgo: Update to weekly.2012-01-20.

From-SVN: r183540

libgo: Update to weekly.2012-01-15.

From-SVN: r183539

Revert * trans-mem.c (requires_barrier): Do not instrument thread local
variables and emit save/restore for them.

From-SVN: r183538

re PR lto/51698 ([trans-mem] TM runtime and application with LTO)

        PR lto/51698
        * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
        (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
        (BT_FN_VOID_PTR_INT_SIZE): New.
        (BT_FN_UINT_UINT_VAR): Remove.
        (BT_FN_UINT32_UINT32_VAR): New.
        (BT_FN_DOUBLE_VPTR): Remove.
        (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
        * gtm-builtins.def (_ITM_abortTransaction): Set return type to
        void.
        (_ITM_changeTransactionMode): Same.
        (_ITM_memmoveRtWt): Change return type to void.
        (_ITM_memcpyRtWt): Same.
        (_ITM_memsetW): Same.
        (_ITM_RaRD): Change types to double.
        (_ITM_RD): Same.
        (_ITM_RaWD): Same.
        (_ITM_RfWD): Same.
        * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
testsuite/
        PR lto/51698
        * gcc.dg/lto/trans-mem-4_0.c: New.
        * gcc.dg/lto/trans-mem-4_1.c: New.
        * gcc.dg/lto/trans-mem-2_0.c: Provide correct argument types for
        TM builtins.
        * gcc.dg/lto/trans-mem-1_0.c: Require stdint_types.
        * gcc.dg/lto/trans-mem-1_1.c: Provide correct argument types for
        TM builtins.
        * gcc.dg/lto/trans-mem-3_0.c: Require stdint_types.
        * gcc.dg/lto/trans-mem-3_1.c: Provide correct argument types for
        TM builtins.

From-SVN: r183537

re PR middle-end/51986 (uninitialized variable warning regression prevents bootstrap)

PR middle-end/51986
* sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
for pat == 0.

From-SVN: r183536

int24-mul.c: Rename __pgm to __flash.

* gcc.target/avr/torture/int24-mul.c: Rename __pgm to __flash.

From-SVN: r183535

Add missing function name

From-SVN: r183534

go-test.exp (go-gc-tests): Handle a few more test lines.

* go.test/go-test.exp (go-gc-tests): Handle a few more test
lines.

From-SVN: r183533

mips.c: Don't process ASM_OPERANDS.

gcc/
* config/mips/mips.c: Don't process ASM_OPERANDS.

From-SVN: r183532

1.cc: Add dg-require-time.

libstdc++-v3/
* testsuite/20_util/system_clock/1.cc: Add dg-require-time.
* testsuite/22_locale/time_put/put/wchar_t/12439_1.cc: Likewise.
* testsuite/22_locale/time_put/put/wchar_t/12439_2.cc: Likewise.
* testsuite/22_locale/time_put/put/wchar_t/12439_3.cc: Likewise.
* testsuite/27_io/basic_istream/readsome/wchar_t/6746-2.cc: Add
dg-require-fileio.
* testsuite/27_io/basic_istream/seekg/wchar_t/fstream.cc: Likewise.
* testsuite/27_io/basic_istream/tellg/wchar_t/1.cc: Likewise.
* testsuite/27_io/basic_istream/tellg/wchar_t/fstream.cc: Likewise.
* testsuite/27_io/basic_ostream/seekp/wchar_t/2346-fstream.cc:
Likewise.
* testsuite/27_io/basic_ostream/tellp/wchar_t/1.cc: Likewise.

From-SVN: r183531

compiler: Always re-lower lowered expressions.

From-SVN: r183530

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

PR target/49868
Rename __pgm to __flash.
Rename __pgm1 to __flash1.
Rename __pgm2 to __flash2.
Rename __pgm3 to __flash3.
Rename __pgm4 to __flash4.
Rename __pgm5 to __flash5.
Rename __pgmx to __memx.
* doc/extend.texi (AVR Named Address Spaces)
Rename address space names as indicated above.
* config/avr/avr.c (avr_addrspace): Ditto.
* config/avr/avr-protos.h
(avr_mem_pgmx_p): Rename to avr_mem_memx_p.
(avr_mem_pgm_p): Rename to avr_mem_flash_p.
* config/avr/predicates.md: Ditto.
* config/avr/avr.c Ditto, and
(avr_decl_pgmx_p): Rename to avr_decl_memx_p.
(avr_decl_pgm_p): Rename to avr_decl_flash_p.
* config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
(ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
(ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
(ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
(ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
(ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
(ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
* config/avr/avr.c: Ditto.
* config/avr/avr.md: Ditto.

From-SVN: r183529

re PR fortran/51995 ([OOP] Polymorphic class fails at runtime)

2012-01-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51995
        * class.c (gfc_build_class_symbol): Ensure that
        fclass->f2k_derived is set.

2012-01-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51995
        * gfortran.dg/typebound_proc_25.f90: New.

From-SVN: r183528

re PR c++/51992 (internal compiler error: tree code ‘target_expr’ is not supported in LTO streams)

PR c++/51992
* tree.c (find_decls_types_in_node): Walk gimple_call_fntype.

From-SVN: r183527

re PR tree-optimization/51987 (Predictive commoning wrong-code with non-volatile asm)

PR tree-optimization/51987
* tree-data-ref.c (get_references_in_stmt): Handle references in
non-volatile GIMPLE_ASM.

* gcc.target/i386/pr51987.c: New test.

From-SVN: r183524

tree-ssa-sccvn.c (vn_reference_eq): Also compare if both bases are dereferenced.

2012-01-25  Richard Guenther  <rguenther@suse.de>

* tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
bases are dereferenced.

From-SVN: r183522

For Greta Yorsh.

2012-01-25  Greta Yorsh  <Greta.Yorsh@arm.com>

* gcc.dg/tm/lto-1.c: Require lto support in target.

From-SVN: r183521

re PR rtl-optimization/48374 (ICE: in single_succ_edge, at basic-block.h:562 with -fselective-scheduling2 and __builtin_unreachable())

gcc:
PR rtl-optimization/48374
        * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.

testsuite:
        PR rtl-optimization/48374
        * gcc.dg/pr48374.c: New test.

From-SVN: r183519

tree-predcom.c (tree_predictive_commoning_loop): Bail out when compute_data_dependences_for_loop returns false.

        * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
        compute_data_dependences_for_loop returns false.
        * tree-parloops.c (loop_parallel_p): Likewise.

From-SVN: r183518

arm: Remove empty directory.

2012-01-25  Matthias Klose  <doko@ubuntu.com>

        * config/linux/arm: Remove empty directory.
        * configure.tgt (config_path): Remove linux-arm for arm*-*-linux*.

From-SVN: r183516

requirements: Remove empty directory.

2012-01-25  Matthias Klose  <doko@ubuntu.com>

        * testsuite/30_threads/condition_variable_any/requirements: Remove
        empty directory.

From-SVN: r183515

tree.h (get_pointer_alignment_1): Declare.

2012-01-25  Richard Guenther  <rguenther@suse.de>

* tree.h (get_pointer_alignment_1): Declare.
* builtins.c (get_pointer_alignment_1): New function.
(get_pointer_alignment): Use it.

From-SVN: r183514

pr50908-2.c (dg-options): Add -fno-short-enums.

2012-01-25  Greta Yorsh  <Greta.Yorsh@arm.com>
* gcc.dg/pr50908-2.c (dg-options): Add -fno-short-enums.

From-SVN: r183513

re PR target/48308 (crosscompiling to arm fails with assembler: can't resolve '.LC4' {.rodata.str1.1 section} - '.LPIC4' {*UND* section})

2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

PR rtl-optimization/48308
* combine.c (enum undo_kind): Add UNDO_LINKS.
(struct undo): Add member l to other_contents and where.
(do_SUBST_LINK): New.
(SUBST_LINK): New.
(try_combine): Handle LOG_LINKS for the dummy i1 case.
(undo_all): Handle UNDO_LINKS.

From-SVN: r183512

re PR fortran/51966 (ICE in gfc_conv_array_constructor_expr)

2012-01-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51966
        * resolve.c (resolve_structure_cons): Only create an
        array constructors for nonscalars.

2012-01-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51966
        * gfortran.dg/derived_constructor_char_3.f90: New.

From-SVN: r183510

re PR c++/51917 (g++.old-deja/g++.abi/vmihint.C FAILs)

PR c++/51917
* decl.c (xref_basetypes): Check VEC_length instead of VEC_space.

From-SVN: r183509

Daily bump.

From-SVN: r183507

c-common.c (c_common_type_for_mode): Match signed/unsigned types exactly.

* c-common.c (c_common_type_for_mode): Match signed/unsigned types
exactly.

From-SVN: r183503

Update to current Go testsuite.

* go.test/go-test.exp (filecmp): New procedure.
(errchk): Handle quoted square brackets.
(go-gc-tests): Set go_compile_args. Handle various new test
lines.  Skip a few new tests.
* lib/go-torture.exp (go-torture-execute): Use go_compile_args.

From-SVN: r183502

compiler: Error if type switch case can not implement switch value.

From-SVN: r183500

compiler: Do not allow slice of array literal.

From-SVN: r183499

optabs.c (maybe_emit_atomic_test_and_set): Mark model unused.

        * optabs.c (maybe_emit_atomic_test_and_set): Mark model unused.
        Allow non-QImode mem inputs.

From-SVN: r183497

compiler: Simple statement in type switch is in different block.

From-SVN: r183496

optabs.c (gen_atomic_test_and_set): Use each argument.

gcc/
* optabs.c (gen_atomic_test_and_set): Use each argument.

From-SVN: r183494

gcc/testsuite/
* lib/target-supports.exp (proc check_effective_target_vect_perm)
(check_effective_target_vect_extract_even_odd)
(check_effective_target_vect_interleave): Return true for MIPS
paired-single.

From-SVN: r183493

gcc/
* config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
(mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
(mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
(bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
(mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
TARGET_PAIRED_SINGLE_FLOAT.

From-SVN: r183492

t-linux64: Delete.

* config/rs6000/t-linux64: Delete.  Move..
* config/rs6000/t-ppc64-fp: ..softfp_wrap defines to here..
* config/rs6000/t-linux: ..and libgcc flags to here.

From-SVN: r183491

compiler: Correct type of expressions involving character constants.

From-SVN: r183490

scal-to-vec1.c (one): New volatile variable.

gcc/testsuite/
* gcc.c-torture/execute/scal-to-vec1.c (one): New volatile variable.
(main): Use it instead of argc.

From-SVN: r183489

libitm: Fix wake-up of readers in futex-based serial lock.

libitm/
* config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
wake-up.

From-SVN: r183488

re PR c++/51973 ([C++11] Template parameter deduction fails for overloaded functions when template parameters have defaulted arguments)

PR c++/51973
* tree.c (called_fns_equal): Check template args.
(cp_tree_equal): Call it.

From-SVN: r183487

rtl.texi (MEM_IN_STRUCT_P, [...]): Delete.

gcc/
* doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
(in_struct, return_val): Remove MEM documentation.
* rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
(MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
(MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
and MEM_SCALAR.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
* cfgexpand.c (add_alias_set_conflicts): Likewise.
* expr.c (store_field): Likewise.
* function.c (assign_stack_temp_for_type): Likewise.
* ifcvt.c (noce_try_cmove_arith): Likewise.
* reload1.c (reload): Likewise.
* config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
(alpha_set_memflags): Likewise.
* config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.

gcc/testsuite/
* gcc.dg/memcpy-4.c: Don't expect /s on MEMs.

From-SVN: r183486

rtl.h (true_dependence, [...]): Remove varies parameter.

gcc/
* rtl.h (true_dependence, canon_true_dependence): Remove varies
parameter.
* alias.c (fixed_scalar_and_varying_struct_p): Delete.
(true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
(true_dependence_1, true_dependence, canon_true_dependence): Remove
varies parameter.
* cselib.c (cselib_rtx_varies_p): Delete.
(cselib_invalidate_mem): Update call to canon_true_dependence.
* dse.c (record_store, check_mem_read_rtx): Likewise.
(scan_reads_nospill): Likewise.
* cse.c (check_dependence): Likewise.
(cse_rtx_varies_p): Delete.
* expr.c (safe_from_p): Update call to true_dependence.
* ira.c (validate_equiv_mem_from_store): Likewise.
(memref_referenced_p): Likewise.
* postreload-gcse.c (find_mem_conflicts): Likewise.
* sched-deps.c (sched_analyze_2): Likewise.
* store-motion.c (load_kills_store): Likewise.
* config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
* gcse.c (mems_conflict_for_gcse_p): Likewise.
(compute_transp): Update call to canon_true_dependence.

From-SVN: r183485

atomic: Create and use maybe_emit_atomic_test_and_set.

* optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
(maybe_emit_atomic_test_and_set): New.
(expand_sync_lock_test_and_set): Use it.
(expand_atomic_test_and_set): Likewise.
* doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
the implementation; clarify implementation defined details.
* doc/md.texi (atomic_test_and_set): Document.

From-SVN: r183483

compiler: Verify types of sink variables.

From-SVN: r183482

sparc: Use match_code in zero_or_v7_operand.

Failure to do so means that genpreds doesn't know that we're
matching a const_int, and it generates the wrong mode test.

        * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.

From-SVN: r183481

re PR target/51968 (gcc trunk (ARM) ICEs in final_scan_insn in final.c:2716, with "could not split insn" error msg)

PR target/51968
        * config/arm/arm.c (neon_split_vcombine): Emit deleted note
        to effect no-op split.

From-SVN: r183480

compiler: Better handling of erroneous function signatures.

From-SVN: r183479

+ PR c++/51928 + * class.c (set_method_tm_attributes): Use TARGET_THUNK instead...

+       PR c++/51928
+       * class.c (set_method_tm_attributes): Use TARGET_THUNK instead of
+       thunk for set_one_vmethod_tm_attributes.

Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>
From-SVN: r183478

+ * trans-mem.c (requires_barrier): Do not instrument thread local + variables and emit save/restore for them.

+       * trans-mem.c (requires_barrier): Do not instrument thread local
+       variables and emit save/restore for them.

Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>
From-SVN: r183476

re PR c++/51812 (Virtual public inheritance and thunks leads to "undefined reference" in header files.)

PR c++/51812
* cgraphunit.c (cgraph_decide_is_function_needed): Don't always
output static aliases.

From-SVN: r183475

re PR driver/47249 (ICE in common_handle_option, at opts.c:1695 with unknown option passed to cc1)

PR driver/47249
* common.opt (-pie, -shared, pie, shared): Change from Common to
Driver.
* gcc.c (display_help): Display help for -pie and -shared.

From-SVN: r183474

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

PR target/49868
* doc/extend.texi (AVR Named Address Spaces): Move sample code up.
Remove note on size/offset limitation.
(AVR Variable Attributes): Add example how to read data located
with progmem.  Refer to named address spaces.
* doc/invoke.texi (AVR Options): Fix typo.

From-SVN: r183473

re PR c++/51223 (ICE with invalid function parameter)

/cp
2012-01-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51223
* call.c (build_over_call): Check for error_mark_node as
TREE_VALUE when default arguments are processed.

/testsuite
2012-01-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/51223
* g++.dg/parse/crash58.C: New.

From-SVN: r183472

[multiple changes]

2012-01-24  Richard Guenther  <rguenther@suse.de>

Forward-port to trunk
2010-09-21  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/45678
* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
op0 isn't sufficiently aligned and there is movmisalignM
insn for mode, use it to load op0 into a temporary register.

From-SVN: r183470

re PR target/51957 (ppc64 .debug_loc toc reference)

PR target/51957
* target.def (const_not_ok_for_debug_p): New hook.
* doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
documentation.
* doc/tm.texi: Regenerated.
* dwarf2out.c (const_ok_for_output_1): If
targetm.const_not_ok_for_debug_p returns true, fail.
* config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
function.
(TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.

* gcc.dg/pr51957-1.c: New test.
* gcc.dg/pr51957-1.h: New file.
* gcc.dg/pr51957-2.c: New test.

From-SVN: r183468

target.h (gtm_jmpbuf): Move rip to the end of structure.

* config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
end of structure.
* config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
offset values.  Do not copy return address.  Decrement stack
by 56 bytes only.
(GTM_longjump) [__x86_64__]: Update offset values.

From-SVN: r183467

compiler: Better error message for invalid use of predeclared function.

From-SVN: r183466

Makefile.am (libstdc++convenience.la): Correct stamp rule, copy.

2012-01-23  Benjamin Kosnik  <bkoz@redhat.com>

* src/Makefile.am (libstdc++convenience.la): Correct stamp rule, copy.
* src/Makefile.in: Regenerate.

From-SVN: r183465

Adding line to ChangeLog for the change in MAINTAINERS file.

From-SVN: r183464

Adding myself to MAINTAINERS file for write after approval.

From-SVN: r183463

Daily bump.

From-SVN: r183462

compiler: Give an error if a variable is defined but not used.

From-SVN: r183458

[multiple changes]

2012-01-20  Benjamin Kosnik  <bkoz@redhat.com>

PR libstdc++/49829
Add libc++98convenience.la, libc++11convenience.la.
* src/c++98: New directory.
* src/c++11: New directory.
* acinclude.m4: (GLIBCXX_CONFIGURE): Add src-c++98, src-c++11.
* configure: Regenerated.
* Makefile.am (hosted_source): Add src-c++98, src-c++11 to SUBDIRS.
* Makefile.in: Regenerate.
* libsupc++/Makefile.am (AM_CXXFLAGS): USe XTEMPLATE_FLAGS for
-fno-implicit-templates.
* libsupc++/Makefile.in: Regenerate.
* src/Makefile.am (inst_sources): Move... C++11 files into
separate directory for libstdc++11convenience.la. Files are:
fstream-inst.cc, string-inst.cc, wlocale-inst.cc, wstring-inst.cc).
(sources): Move C++11 files. Files are: compatibility-c++0x.cc,
compatibility-atomic-c++0x.cc, debug.cc, functexcept.cc,
functional.cc, hash_c++0x.cc, hashtable_c++0x.cc, limits.cc,
system_error.cc, placeholders.cc, regex.cc, shared_ptr.cc,
mutex.cc, condition_variable.cc, chrono.cc, thread.cc, future.cc.
(libstdc++convenience.la): Add new target.
(SUBDIRS): Add c++11, c++98.
* src/Makefile.in: Regenerate.
* src/c++11/Makefile.am: New.
* src/c++11/Makefile.in: Generate.
* src/c++98/Makefile.am: New, C++98 files.
* src/c++98/Makefile.in: Generate.

2012-01-23  Benjamin Kosnik  <bkoz@redhat.com>

PR libstdc++/49829
Add libc++98convenience.la, libc++11convenience.la.
* src/c++98: New directory.
* src/c++11: New directory.
* acinclude.m4: (GLIBCXX_CONFIGURE): Add src-c++98, src-c++11.
* configure: Regenerated.
* Makefile.am (hosted_source): Add src-c++98, src-c++11 to SUBDIRS.
* Makefile.in: Regenerate.
* libsupc++/Makefile.am (AM_CXXFLAGS): USe XTEMPLATE_FLAGS for
-fno-implicit-templates.
* libsupc++/Makefile.in: Regenerate.
* src/Makefile.am (inst_sources): Move... C++11 files into
separate directory for libstdc++11convenience.la. Files are:
fstream-inst.cc, string-inst.cc, wlocale-inst.cc, wstring-inst.cc).
(sources): Move C++11 files. Files are: compatibility-c++0x.cc,
compatibility-atomic-c++0x.cc, debug.cc, functexcept.cc,
functional.cc, hash_c++0x.cc, hashtable_c++0x.cc, limits.cc,
system_error.cc, placeholders.cc, regex.cc, shared_ptr.cc,
mutex.cc, condition_variable.cc, chrono.cc, thread.cc, future.cc.
(libstdc++convenience.la): Add new target.
(SUBDIRS): Add c++11, c++98.
* src/Makefile.in: Regenerate.
* src/c++11/Makefile.am: New.
* src/c++11/Makefile.in: Generate.
* src/c++98/Makefile.am: New, C++98 files.
* src/c++98/Makefile.in: Generate.

From-SVN: r183457

re PR c++/51930 (Explicitly instantiated template gets hidden visibility)

PR c++/51930
* decl2.c (determine_visibility): Check for visibility attribute
on template specialization.

From-SVN: r183455

use scan-not-hidden

From-SVN: r183454

re PR fortran/51948 ([OOP] Rejects valid: Function result value in MOVE_ALLOC, nested in SELECT TYPE)

2012-01-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51948
        * check.c (variable_check): Fix checking for
        result variables and deeply nested BLOCKs.

2012-01-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51948
        * gfortran.dg/move_alloc_12.f90: New.

From-SVN: r183453

Update my e-mail address.

From-SVN: r183452

sysv.S (ffi_call_SYSV): Properly test for plain mc68000.

* src/m68k/sysv.S (ffi_call_SYSV): Properly test for plain
mc68000.  Test for __HAVE_68881__ in addition to __MC68881__.

From-SVN: r183451

re PR target/51900 (const variable initialization always zero)

PR target/51900
* config/i386/predicates.md (symbolic_operand): Allow
UNSPEC_PCREL as PIC expression for lea.
* config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
* config/i386/i386.c (ix86_delegitimize_address): Handle
UNSPEC_PCREL for none-MEM, too.

From-SVN: r183450