[ARM][cleanup] Simplify some expressions in some epilogue-related functions

* config/arm/arm.c (arm_emit_multi_reg_pop): Simplify definition of
return_in_pc.  Remove redundant assignments.
(thumb2_emit_ldrd_pop): Simplify definition of return_in_pc.
(arm_expand_epilogue): Don't compare boolean with true in if condition.

From-SVN: r220246

i386.c (ix86_mode_after): Make static.

* config/i386/i386.c (ix86_mode_after): Make static.

From-SVN: r220245

re PR target/64844 (Vectorization inhibited in gcc5 when loop starts with elem[1], aarch64 perf regression from 4.9.1)

2015-01-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/64844
* tree-vect-loop.c (vect_estimate_min_profitable_iters): Always
dump cost model analysis.
* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
Do not register adjusted load/store costs here.

* gcc.dg/vect/pr64844.c: New testcase.

From-SVN: r220244

atomic_base.h: Use __always_inline__ instead of always_inline.

* include/bits/atomic_base.h: Use __always_inline__ instead of
always_inline.
* include/bits/atomic_futex.h: Likewise.
* include/bits/c++config: Use __abi_tag__ instead of abi_tag.
* include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Use
__packed__ instead of packed.
* include/std/shared_mutex: Use __unused__ instead of unused.
* testsuite/17_intro/headers/c++1998/all_attributes.cc: New.
* testsuite/17_intro/headers/c++200x/all_attributes.cc: New.
* testsuite/17_intro/headers/c++2014/all_attributes.cc: New.

From-SVN: r220243

i386-protos.h (ix86_use_pseudo_pic_reg): New.

* config/i386/i386-protos.h (ix86_use_pseudo_pic_reg): New.
* config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Simplify by
using x86_use_pseudo_pic_reg.
* config/i386/i386.c (ix86_conditional_register_usage): Remove
support for fixed PIC register.
(ix86_use_pseudo_pic_reg): Not static any more.

Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r220242

re PR middle-end/64809 (ICE at -O3 with -g enabled on x86_64-linux-gnu (in 32-bit mode))

gcc/testsuite/

PR middle-end/64809
* gcc.dg/pr64809.c: Delete.

From-SVN: r220241

re PR middle-end/64805 (Specific use of __attribute ((always_inline)) breaks MPX functionality with -fcheck-pointer-bounds -mmpx)

gcc/

PR middle-end/64805
* ipa-inline.c (early_inliner): Rebuild IPA_REF_CHKP reference
to avoid error in cgraph node verification.

gcc/testsuite/

PR middle-end/64805
* gcc.target/i386/pr64805.c: New.

From-SVN: r220240

Run guality tests on Solaris

* gcc.dg/guality/guality.h (main): Add argv[0] to
guality_gdb_command.

From-SVN: r220237

* doc/standards.texi: Reflect that the default for C is gnu11.

From-SVN: r220236

reorg.c (relax_delay_slots): Take account of NOTE_INSN_SWITCH_TEXT_SECTIONS and targetm.can_follow_jump.

* reorg.c (relax_delay_slots): Take account of NOTE_INSN_SWITCH_TEXT_SECTIONS
  and targetm.can_follow_jump.

From-SVN: r220235

Committing VTV Cygwin patch for Patrick Wollgast

* gcc/config/i386/cygwin.h (STARTFILE_SPEC): Add vtv_start.o,
    if -fvtable-verify=preinit/std is used.
* gcc/config/i386/mingw-w64.h (STARTFILE_SPEC): Likewise.
* gcc/config/i386/mingw32.h (STARTFILE_SPEC): Likewise.
* gcc/config/i386/cygwin.h (ENDFILE_SPEC): Add vtv_end.o,
    if -fvtable-verify=preinit/std is used.
* gcc/config/i386/mingw32.h (ENDFILE_SPEC): Likewise.
* gcc/config/i386/cygwin.h (LIB_SPEC): Pass -lvtv and -lpsapi,
    if -fvtable-verify=preinit/std is used.
* gcc/config/i386/mingw-w64.h (LIB_SPEC): Likewise.
* gcc/config/i386/mingw32.h (LIB_SPEC): Likewise.

* gcc/cp/vtable-class-hierarchy.c (vtv_generate_init_routine): Add
    check for not TARGET_PECOFF at the VTV_PREINIT_PRIORITY checks.

* gcc/varasm.c (assemble_variable): Add code to properly set the comdat
    section and name for the .vtable_map_vars section in case the
    target is PE or COFF.

* libgcc/Makefile.in: Move rules to build vtv_*.o out of the check
    for CUSTOM_CRTSTUFF.
* libgcc/config.host (i[34567]86-*-cygwin*, x86_64-*-cygwin*, i[34567]86-*-mingw*)
    (x86_64-*-mingw*): Only add vtv_*.o to extra_parts if enable_vtable_verify.

* libstdc++-v3/acinclude.m4: Define VTV_CYGMIN.
* libstdc++-v3/configure: Regenerate.

* libstdc++-v3/libsupc++/Makefile.am: Add vtv_sources only to
    libsupc___la_SOURCES and libsupc__convenience_la_SOURCES if VTV_CYGMIN is
    not set.
* libstdc++-v3/libsupc++/Makefile.in: Regenerated.
* libstdc++-v3/libsupc++/vtv_stubs.cc: Add none weak declaration of every
    function for Cygwin and MinGW.

* libstdc++-v3/src/Makefile.am: Add libvtv.la to toolexeclib_LTLIBRARIES,
    if VTV_CYGMIN is set. Define libvtv_la_SOURCES, libvtv_la_LDFLAGS,
    libvtv_la_AM_CXXFLAGS and libvtv_la_LINK if VTV_CYGMIN is set.
* libstdc++-v3/src/Makefile.in: Regenerate.

* libvtv/Makefile.am : Add libvtv.la to toolexeclib_LTLIBRARIES, if VTV_CYGMIN
    is set. Define libvtv_la_LIBADD, libvtv_la_LDFLAGS, libvtv_stubs_la_LDFLAGS
    and libvtv_stubs_la_SOURCES if VTV_CYGMIN is set. Add obstac.c to
    libvtv_la_SOURCES if VTV_CYGMIN is set.
* libvtv/Makefile.in : Regenerate.
* libvtv/aclocal.m4 : Regenerate.
* libvtv/configure : Regenerate.
* libvtv/configure.ac : Add ACX_LT_HOST_FLAGS. Define VTV_CYGMIN.
* libvtv/configure.tgt : (x86_64-*-cygwin*, i?86-*-cygwin*, x86_64-*-mingw*)
    (i?86-*-mingw*): Add to supported targets.
* libvtv/vtv_fail.cc : Skip inclusion of execinfo.h on Cygwin and MinGW.
(log_error_message): Skip calls to backtrace and backtrace_symbols_fd on Cygwin
    and MinGW.
* libvtv/vtv_malloc.cc : Include windows.h and skip sys/mman.h inclusion on
    Cygwin and MinGW. Add sysconf port on Cygwin and MinGW.
(obstack_chunk_alloc): Exchange call to mmap with call to VirtualAlloc on Cygwin
    and MinGW.
(__vtv_malloc_init): Exchange call to sysconf with call to port of sysconf on
    Cygwin and MinGW.
* libvtv/vtv_malloc.h : Declare mprotect and define PROT_READ and PROT_WRITE on
    Cygwin and MinGW.
* libvtv/map.h : Include stdint.h on MinGW.
* libvtv/rts.cc : Include windows.h, winternl.h and psapi.h, skip include of
    execinfo.h, sys/mman.h and link.h on Cygwin and MinGW.
    Add port of __fortify_fail on Cygwin and MinGW.
    Change ElfW (Addr) to uintptr_t on Cygwin and MinGW.
(read_section_offset_and_length): Add port for Cygwin and MinGW
(iterate_modules): New function.
(vtv_unprotect_vtable_vars): Use iterate_modules instead of dl_iterate_phdr on
    Cygwin and MinGW.
(vtv_protect_vtable_vars): Likewise.
(count_all_pages): Likewise.
(dl_iterate_phdr_count_pages): Don't build on Cygwin and MinGW.
* libvtv/utils.cc : Include windows.h and skip execinfo.h inclusion on
    Cygwin and MinGW.
(__vtv_open_log): Exchange call to getuid and getpid with GetCurrentProcessId and
    adjust call to snprintf accordingly on Cygwin and MinGW.
    Adjust calls to mkdir on MinGW.
    Adjust call to open on Cygwin and MinGW.
(__vtv_add_to_log): Adjust call to snprintf on Cygwin and MinGW.
(__vtv_log_verification_failure): Don't generate a backtrace on Cygwin and MinGW.

From-SVN: r220232

re PR ipa/64801 (kernel build failure due to ICF)

PR ipa/64801
* gcc.dg/tree-ssa/pr64801.c: New testcase.
* cgraphunit.c (init_lowered_empty_function): Add CoUNT parameter;
make sane BB profile.
(cgraph_node::expand_thunk): Make sane BB profile.
(cgraph_node::create_wrapper): Do not set call_stmt_cannot_inline_p.
* cgraph.h (init_lowered_empty_function): Update prototype.
* config/i386/i386.c (make_resolver_func): Update call.
* predict.c (gate): Disable branch prediction pass if
profile is already there.

From-SVN: r220230

optc-save-gen.awk: flag_fp_contract_mode is no longer speical.

* optc-save-gen.awk: flag_fp_contract_mode is no longer speical.
* opth-gen.awk: Likewise.
* common.opt: Mark flag_fp_contract_mode as Optimization.

From-SVN: r220229

cygwin.h (LIBGCJ_SONAME): Set libgcj version to -16.

2015-01-29  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/i386/cygwin.h (LIBGCJ_SONAME): Set libgcj version to -16.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Set libgcj version to -16.

libjava/
2015-01-29  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * libtool-version: Add a comment about cygwin.

From-SVN: r220228

Daily bump.

From-SVN: r220227

Call release_input_file only if not NULL

* lto-plugin.c (claim_file_handler): Call release_input_file only
if it is not NULL.

From-SVN: r220224

Mark prs in changelog entry

From-SVN: r220223

Merge ... upstream libffi db1b34b7e1f5e473d17557e454a29933dfecd1af

Includes build fixes for Solaris and FreeBSD.

From-SVN: r220222

re PR libgomp/64635 (darwin produces libgomp-plugin-host_nonshm.1.dylib but tries to load libgomp-plugin-host_nonshm.so.1)

2015-01-28  Jack Howarth  <howarth.at.gcc@gmail.com>

PR libgomp/64635
* configure.tgt (*-*-aix*): Use config_path "aix posix".
(*-*-darwin*): Use config_path "bsd darwin posix".
(*-*-hpux*): Use config_path "hpux posix".
* target.c: Add include of plugin-suffix.h and use
SONAME_SUFFIX macro.
* config/aix/plugin-suffix.h: New file.
* config/darwin/plugin-suffix.h: New file.
* config/hpux/plugin-suffix.h: New file.
* config/posix/plugin-suffix.h: New file.

From-SVN: r220220

gcc/testsuite/
Remove gcc/testsuite/ prefix in ChangeLog entry.

From-SVN: r220219

re PR libgomp/64635 (darwin produces libgomp-plugin-host_nonshm.1.dylib but tries to load libgomp-plugin-host_nonshm.so.1)

2015-01-28  Jack Howarth  <howarth.at.gcc@gmail.com>

PR libgomp/64635
* configure.tgt (*-*-aix*): Use config_path "aix posix".
(*-*-darwin*): Use config_path "bsd darwin posix".
(*-*-hpux*): Use config_path "hpux posix".
* target.c: Add include of plugin-suffix.h and use
SONAME_SUFFIX macro.
* config/aix/plugin-suffix.h: New file.
* config/darwin/plugin-suffix.h: New file.
* config/hpux/plugin-suffix.h: New file.
* config/posix/plugin-suffix.h: New file.

From-SVN: r220218

re PR target/64659 ([SH] Immedate values not used for atomic ops)

gcc/
PR target/64659
* config/sh/predicates.md (atomic_arith_operand,
atomic_logical_operand): Remove.
* config/sh/sync.md (fetchop_predicate, fetchop_constraint): Remove.
(atomic_arith_operand_0): New predicate.
(atomic_compare_and_swap<mode>): Use arith_reg_dest for output values.
Use atomic_arith_operand_0 for input values.
(atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
atomic_compare_and_swap<mode>_soft_gusa,
atomic_compare_and_swap<mode>_soft_tcb,
atomic_compare_and_swap<mode>_soft_imask): Use arith_reg_dest and
arith_reg_operand instead of register_operand.
(atomic_exchange<mode>): Use arith_reg_dest for output value.  Use
atomic_arith_operand_0 for newval input.
(atomic_exchangesi_hard, atomic_exchange<mode>_hard,
atomic_exchange<mode>_soft_gusa, atomic_exchange<mode>_soft_tcb,
atomic_exchange<mode>_soft_imask): Use arith_reg_dest and
arith_reg_operand instead of register_operand.
(atomic_arith_operand_1, atomic_logical_operand_1): New predicates.
fetchop_predicate_1, fetchop_constraint_1_llcs,
fetchop_constraint_1_gusa, fetchop_constraint_1_tcb,
fetchop_constraint_1_imask): New code iterator attributes.
(atomic_fetch_<fetchop_name><mode>): Use arith_reg_dest instead of
register_operand.  Use fetchop_predicate_1.
(atomic_fetch_<fetchop_name>si_hard,
atomic_fetch_<fetchop_name><mode>_hard): Use arith_reg_dest instead of
register_operand.  Use fetchop_predicate_1, fetchop_constraint_1_llcs.
(atomic_fetch_<fetchop_name><mode>_soft_gusa): Use arith_reg_dest
and arith_reg_operand instead of register_operand.  Use
fetchop_predicate_1, fetchop_constraint_1_gusa.
(atomic_fetch_<fetchop_name><mode>_soft_tcb): Use arith_reg_dest
and arith_reg_operand instead of register_operand.  Use
fetchop_predicate_1, fetchop_constraint_1_tcb.  Adjust asm sequence
to allow R0 usage.
(atomic_fetch_<fetchop_name><mode>_soft_imask): Use arith_reg_dest
and arith_reg_operand instead of register_operand.  Use
fetchop_predicate_1, fetchop_constraint_1_imask.  Adjust asm sequence
to allow R0 usage.
(atomic_fetch_nand<mode>): Use arith_reg_dest instead of
register_operand.  Use atomic_logical_operand_1.
(atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
atomic_fetch_nand<mode>_soft_gusa): Use arith_reg_dest and
arith_reg_operand instead of register_operand.
(atomic_fetch_nand<mode>_soft_tcb, atomic_fetch_nand<mode>_soft_imask):
Use arith_reg_dest and arith_reg_operand instead of register_operand.
Use logical_operand and rK08.  Adjust asm sequence to allow R0 usage.
(atomic_<fetchop_name>_fetch<mode>): Use arith_reg_dest instead of
register_operand.  Use fetchop_predicate_1.
(atomic_<fetchop_name>_fetchsi_hard,
atomic_<fetchop_name>_fetch<mode>_hard): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
fetchop_constraint_1_llcs.
(atomic_<fetchop_name>_fetch<mode>_soft_gusa): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
fetchop_constraint_1_gusa.
(atomic_<fetchop_name>_fetch<mode>_soft_tcb): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
fetchop_constraint_1_tcb.  Adjust asm sequence to allow R0 usage.
(atomic_<fetchop_name>_fetch<mode>_soft_imask): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use fetchop_predicate_1,
fetchop_constraint_1_imask.  Adjust asm sequence to allow R0 usage.
(atomic_nand_fetch<mode>): Use arith_reg_dest instead of
register_operand.  Use atomic_logical_operand_1.
(atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
atomic_nand_fetch<mode>_soft_gusa): Use arith_reg_dest and
arith_reg_operand instead of register_operand.
(atomic_nand_fetch<mode>_soft_tcb): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use logical_operand
and K08.  Adjust asm sequence to allow R0 usage.
(atomic_nand_fetch<mode>_soft_imask): Use arith_reg_dest and
arith_reg_operand instead of register_operand.  Use logical_operand
and K08.

gcc/testsuite/
PR target/64659
* gcc.target/sh/sh.exp
(check_effective_target_atomic_model_soft_gusa_available,
check_effective_target_atomic_model_soft_tcb_available,
check_effective_target_atomic_model_soft_imask_available,
check_effective_target_atomic_model_hard_llcs_available): New.
* gcc.target/sh/pr64659-0.h: New.
* gcc.target/sh/pr64659-1.c: New.
* gcc.target/sh/pr64659-2.c: New.
* gcc.target/sh/pr64659-3.c: New.
* gcc.target/sh/pr64659-4.c: New.

From-SVN: r220217

re PR other/63504 (Issues found by --enable-checking=valgrind)

PR other/63504
* dwarf2out.c (add_AT_wide, mem_loc_descriptor, loc_descriptor):
Use ggc_alloc<wide_int> instead of ggc_cleared_alloc<wide_int>.
(attr_checksum, attr_checksum_ordered, hash_loc_operands): Checksum
only get_full_len HOST_WIDE_INTs from get_val () array rather than
all bits in *val_wide.

From-SVN: r220216

checksums and test-text

* fixincl.tpl: add a check sum acceptance test
* fixlib.h: enumerate it
* fixincl.c: handle it
* README: document it and document the handling of test_text

From-SVN: r220215

* lto-symtab.c (lto_varpool_replace_node): Merge TLS models.

From-SVN: r220214

varpool.c (tls_model_names): Fix names.

* varpool.c (tls_model_names): Fix names.
(varpool_node::dump): Dump tls- prefix for tls models.

From-SVN: r220213

Call release_input_file in claim_file_handler

PR lto/64837
* lto-plugin.c (release_input_file): New.
(claim_file_handler): Call release_input_file.
(onload): Set release_input_file.

From-SVN: r220212

nvptx mkoffload.

gcc/
* config/nvptx/mkoffload.c: New file.
* config/nvptx/t-nvptx: Add build rules for it.
* config.gcc <nvptx-*> [$enable_as_accelerator = yes]
(extra_programs): Add mkoffload.
* config/nvptx/nvptx.c (nvptx_record_offload_symbol): New
function.
(TARGET_RECORD_OFFLOAD_SYMBOL): Define macro to use it.

Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
From-SVN: r220209

atomic-op-consume.c (scan-assember-times): Adjust scan-assembler-times pattern.

2015-01-28  Alex Velenko  <Alex.Velenko@arm.com>

gcc/testsuite/

* gcc.target/arm/atomic-op-consume.c (scan-assember-times): Adjust
scan-assembler-times pattern.

From-SVN: r220208

re PR libstdc++/64828 (libstdc++-v3/libsupc++/del_opvs.cc:30:1: warning: ‘void operator delete [](void*, std::size_t)’ is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation) [-Wc++14-compat])

PR libstdc++/64828
* libsupc++/Makefile.am: Compile del_opvs.cc as C++14.
* libsupc++/Makefile.in: Regenerate.
* src/c++11/Makefile.in: Regenerate.

From-SVN: r220207

[libstdc++][testsuite][reverted] Remove check for truncation overflow

    * testsuite/lib/libstdc++.exp (v3_target_compile): Remove
    check for unsupported.
    (v3_target_compile_as_c): Likewise.

From-SVN: r220206

re PR middle-end/64809 (ICE at -O3 with -g enabled on x86_64-linux-gnu (in 32-bit mode))

gcc/

PR middle-end/64809
* cfgexpand.c (reorder_operands): Skip debug gimples.

gcc/testsuite/

PR middle-end/64809
* gcc.dg/pr64809.c: New test.

From-SVN: r220205

re PR tree-optimization/64277 (Incorrect warning "array subscript is above array bounds")

gcc/

PR tree-optimization/64277
* tree-ssa-loop-niter.c (record_nonwrapping_iv): Use base
range info when possible to refine estimation.

gcc/testsuite/

PR tree-optimization/64277
* gcc.dg/pr64277.c: New.

From-SVN: r220204

re PR tree-optimization/64718 (Bad 16-bit bswap replacement)

2015-01-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    PR tree-optimization/64718
    * tree-ssa-math-opts.c (pass_optimize_bswap::execute): Make bswap_type
    be a 16bit unsigned integer when n->range is 16.
    (bswap_replace): Convert src to that type if necessary for all bswap
    sizes.  Fix rotation right notation in nearby comment.  Use bswap_type
    set in pass_optimize_bswap::execute ().

    gcc/testsuite/
    PR tree-optimization/64718
    * gcc.c-torture/execute/pr64718.c: New test.

From-SVN: r220203

[Patch AArch64] Make integer vabs intrinsics UNSPECs

gcc/

* config/aarch64/aarch64-simd.md (aarch64_abs<mode>): New.
* config/aarch64/aarch64-simd-builtins.def (abs): Split by
integer and floating point variants.
* config/aarch64/iterators.md (unspec): Add UNSPEC_ABS.

gcc/testsuite/

* gcc.target/aarch64/abs_2.c: New.

From-SVN: r220202

re PR libstdc++/64798 (g++.old-deja/g++.eh/badalloc1.C FAILs)

2015-01-28  Richard Biener  <rguenther@suse.de>

PR libstdc++/64798
* libsupc++/eh_alloc.cc (struct allocated_entry): Align
data member.
(pool::allocate): Adjust allocation size and alignment to
that change.
(pool::free): Adjust pointer offsetting.

From-SVN: r220201

Prohibit vector modes in accumulators.

gcc/
* config/mips/mips.c (mips_hard_regno_mode_ok_p): Prohibit accumulators
for all vector modes.

From-SVN: r220200

Regression cleanup for MIPS nan2008 toolchain.

gcc/testsuite/
* lib/target-supports.exp (check_effective_target_mips_nanlegacy): New.
* gcc.target/mips/loongson-simd.c: Require legacy NaN support.
* gcc.target/mips/mips.exp (mips-dg-options): Imply -mnan=legacy for
ISA rev < 2.

From-SVN: r220199

re PR bootstrap/64612 (profiledbootstrap failures)

PR bootstrap/64612
* lib/target-supports.exp (check_effective_target_comdat_group): New.
* g++.dg/ipa/pr64612.C: Guard scan-assembler test with
{ target comdat_group }.

* doc/sourcebuild.texi (comdat_group): Document.

From-SVN: r220198

* config/arm/thumb1.md (*thumb1_movpc_insn): New insn pattern.

From-SVN: r220197

Daily bump.

From-SVN: r220196

re PR c++/58597 (ICE with lambda in default argument of template function)

PR c++/58597
* lambda.c (maybe_add_lambda_conv_op): Check cfun rather than
current_function_decl.

From-SVN: r220192

toplev: gcc version information for jit

gcc/ChangeLog:
* toplev.c (print_version): Add param "show_global_state", and
only print GGC and plugin information if it is true.
(init_asm_output): Pass in "true" for the new param when calling
print_version.
(process_options): Likewise.
(toplev::main): Likewise.
* toplev.h (print_version): Add new param to decl.

gcc/jit/ChangeLog:
* docs/internals/test-hello-world.exe.log.txt: Add example version
lines.
* jit-common.h (gcc::jit::dump::get_file): New accessor.
* jit-logging.c: Include toplev.h.
(gcc::jit::logger::logger): Log the GCC version.
* jit-recording.c: Include toplev.h.
(gcc:jit::recording::context::dump_reproducer_to_file): Log the
GCC version.

From-SVN: r220190

re PR fortran/63861 (OpenACC coarray ICE  (also with OpenMP?))

2015-01-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/63861
gcc/fortran/
        * trans-openmp.c (gfc_has_alloc_comps, gfc_trans_omp_clauses):
        Fix handling for scalar coarrays.
        * trans-types.c (gfc_get_element_type): Add comment.
gcc/testsuite/
        * gfortran.dg/goacc/coarray_2.f90: New.

From-SVN: r220189

re PR ipa/60871 (internal compiler error: in possible_polymorphic_call_targets, at ipa-devirt.c:1510)

PR ipa/60871
PR ipa/64139
* tree.c (lookup_binfo_at_offset): New function.
(get_binfo_at_offset): Use it.

* g++.dg/torture/pr64139.C: New testcase.
* g++.dg/torture/pr60871.C: Likewise.

From-SVN: r220185

re PR c++/63889 (Ice with redundant static in class scope constexpr variable template.)

PR c++/63889
* pt.c (finish_template_variable): Move from semantics.c.
Handle multiple template arg levels.  Handle coercion here.
(lookup_template_variable): Not here.

From-SVN: r220183

re PR fortran/64771 (ICE(segfault) when passing coarrays around; ICE in gfc_zero_size_array in arith.c:1637)

2015-01-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR fortran/64771
        * interface.c: Remove <algorithm>.
        (check_dummy_characteristics): Use MAX instead of std::max.

From-SVN: r220182

re PR fortran/64230 (Invalid memory reference in a compiler-generated finalizer for allocatable component)

2015-01-27  Janus Weil  <janus@gcc.gnu.org>

PR fortran/64230
* gfortran.dg/class_allocate_18.f90: Remove -fsanitize option to
prevent linking errors.

From-SVN: r220181

Fix build under cygwin/64.

2015-01-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Fix build under cygwin/64.
        * adaint.h: Add check for __CYGWIN__.
        * mingw32.h: Prevent windows.h from including x86intrin.h in GCC.

From-SVN: r220180

re PR ipa/64282 (ICE in gimple_get_virt_method_for_vtable, at gimple-fold.c:5635)

PR ipa/64282
* gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert
on vtable being vtable.
* g++.dg/torture/pr64282.C: New testcase.

From-SVN: r220177

[AArch64][test] Fix FAIL: gcc.target/aarch64/store-pair-1.c scan-assembler stp\tw[0-9]+, w[0-9]+

* gcc.target/aarch64/store-pair-1.c: Update scan-assembler to check
for wzr reg.

From-SVN: r220176

sendmsg.c: Add prototypes for __objc_get_forward_imp and get_imp.

2015-01-27  Matthias Klose  <doko@ubuntu.com>

        * sendmsg.c: Add prototypes for __objc_get_forward_imp and get_imp.

From-SVN: r220175

Add myself to maintaners.

/
* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r220172

extend.texi: s/390: Update documentation of hotpatch attribute.

2015-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * doc/extend.texi: s/390: Update documentation of hotpatch attribute.
        * doc/invoke.texi (-mhotpatch): s/390: Update documentation of
        -mhotpatch= option.
        * config/s390/s390.opt (mhotpatch): s/390: Remove -mhotpatch and
        -mno-hotpatch options.  Change syntax of -mhotpatch= option.
        * config/s390/s390.c (s390_hotpatch_trampoline_halfwords_default):
        Renamed.
        (s390_hotpatch_trampoline_halfwords_max): Renamed.
        (s390_hotpatch_hw_max): New name.
        (s390_hotpatch_trampoline_halfwords): Renamed.
        (s390_hotpatch_hw_before_label): New name.
        (get_hotpatch_attribute): Removed.
        (s390_hotpatch_hw_after_label): New name.
        (s390_handle_hotpatch_attribute): Add second parameter to hotpatch
        attribute.
        (s390_attribute_table): Ditto.
        (s390_function_num_hotpatch_trampoline_halfwords): Renamed.
        (s390_function_num_hotpatch_hw): New name.
        Remove special handling of inline functions and hotpatching.
        Return number of nops before and after the function label.
        (s390_can_inline_p): Removed.
        (s390_asm_output_function_label): Emit a configurable number of nops
        after the function label.
        (s390_option_override): Update -mhotpatch= syntax and remove -mhotpatch.
        (TARGET_CAN_INLINE_P) Removed.
        (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): New.

2015-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

* gcc/testsuite/gcc.target/s390/hotpatch-13.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-14.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-15.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-16.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-17.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-18.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-19.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-20.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-10.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-11.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-12.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-13.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-14.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-15.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-16.c: New testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-9.c: New
testcase.
* gcc/testsuite/gcc.target/s390/hotpatch-1.c: Testcase adjusted to
new -mhotpatch.
* gcc/testsuite/gcc.target/s390/hotpatch-10.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-11.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-12.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-2.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-3.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-4.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-5.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-6.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-7.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-8.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-9.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-1.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-2.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-3.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-4.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-5.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-6.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-7.c: Likewise.
* gcc/testsuite/gcc.target/s390/hotpatch-compile-8.c: Likewise.

From-SVN: r220171

[AArch64] Improve bit-test-branch pattern to avoid unnecessary register clobber

2015-01-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

  gcc/
    * config/aarch64/aarch64.md (tb<optab><mode>1): Clobber CC reg instead of
    scratch reg.
    (cb<optab><mode>1): Likewise.
    * config/aarch64/iterators.md (bcond): New define_code_attr.

  gcc/testsuite/
    * gcc.dg/long_branch.c: New testcase.

From-SVN: r220170

s390.c (s390_memory_move_cost): Increase costs for memory accesses.

2015-01-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* config/s390/s390.c (s390_memory_move_cost): Increase costs for
memory accesses.

From-SVN: r220169

s390.c (s390_register_move_cost): Increase costs for FPR->GPR moves.

2015-01-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* config/s390/s390.c (s390_register_move_cost): Increase costs for
FPR->GPR moves.

From-SVN: r220168

configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.

2015-01-26  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
        * configure: Regenerate.

From-SVN: r220165

tree-vrp.c (update_value_range): Intersect the range with old recorded SSA name range information.

2015-01-27  Richard Biener  <rguenther@suse.de>

* tree-vrp.c (update_value_range): Intersect the range with
old recorded SSA name range information.

From-SVN: r220164

rl78.c (rl78_expand_prologue): In G10 mode push the BC, DE and HL registers directly, not via AX.

* config/rl78/rl78.c (rl78_expand_prologue): In G10 mode push the
BC, DE and HL registers directly, not via AX.
When decrementing the stack pointer by a large amount, transfer SP
into AX and perform the subtraction there.
(rl78_expand_epilogue): Perform the inverse of the above
enhancements.

From-SVN: r220163

cmpsi2.S: Use function start and end macros.

* config/rl78/cmpsi2.S: Use function start and end macros.
(__gcc_bcmp): New function.
* config/rl78/lshrsi3.S: Use function start and end macros.
* config/rl78/mulsi3.S: Add support for G10.
(__mulqi3): New function for G10.
* config/rl78/signbit.S: Use function start and end macros.
* config/rl78/t-rl78 (LIB2ADD): Add bit-count.S, fpbit-sf.S and
fpmath-sf.S.
(LIB2FUNCS_EXCLUDE): Define.
(LIB2FUNCS_ST): Define.
* config/rl78/trampoline.S: Use function start and end macros.
* config/rl78/vregs.h (START_FUNC): New macro.
(START_ANOTHER_FUNC): New macro.
(END_FUNC): New macro.
(END_ANOTHER_FUNC): New macro.
* config/rl78/bit-count.S: New file.  Contains assembler
implementations of the bit counting functions: ___clzhi2,
__clzsi2, ctzhi2, ctzsi2, ffshi2, ffssi2, __partityhi2,
__paritysi2, __popcounthi2 and __popcountsi2.
* config/rl78/fpbit-sf.S: New file.  Contains assembler
implementationas of the math functions: __negsf2, __cmpsf2,
__eqsf2, __nesf2, __lesf2, __ltsf2, __gesf2, gtsf2, __unordsf2,
__fixsfsi,  __fixunssfsi, __floatsisf and __floatunssisf.
* config/rl78/fpmath-sf.S: New file.  Contains assembler
implementations of the math functions: __subsf3, __addsf3,
__mulsf3 and __divsf3

From-SVN: r220162

re PR target/64368 (Several libstdc++ test failures on non-linux platforms after r218964.)

PR libstdc++/64368
* include/std/shared_mutex (shared_timed_mutex::try_lock_for,
shared_timed_mutex::try_lock_until): Only define when POSIX thread
timeouts option is supported.
(shared_timed_mutex::try_shared_lock_for,
shared_timed_mutex::try_shared_lock_until): Likewise.

From-SVN: r220161

Move Solaris/x86 CRT_GET_RFIB_DATA definition to libgcc

gcc:
* config/i386/sysv4.h (CRT_GET_RFIB_DATA): Remove.

libgcc:
* config.host (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*):
Add i386/elf-lib.h to tm_file.
* config/i386/elf-lib.h: Fix comment.
* unwind-dw2-fde-dip.c (_Unwind_IteratePhdrCallback) [__x86_64__
&& __sun__ && __svr4__]: Remove workaround.

From-SVN: r220160

re PR sanitizer/64741 (Incorrect size of UBSan type descriptors)

2015-01-27  Jakub Jelinek  <jakub@redhat.com>
    Yury Gribov  <y.gribov@samsung.com>

PR ubsan/64741
* ubsan.c (ubsan_source_location): Refactor code.
(ubsan_type_descriptor): Update type size. Refactor code.

Co-Authored-By: Yury Gribov <y.gribov@samsung.com>
From-SVN: r220159

Correctly check for 32-bit x86

* testsuite/lib/libffi.exp: Load target-supports.exp.
(run-many-tests): Only set targetabis for ia32.

From-SVN: r220158

re PR tree-optimization/56273 (Bogus -Warray-bounds warning)

2015-01-27  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.

* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.

From-SVN: r220157

re PR ipa/64776 (FAIL: gcc.dg/ipa/pr64307.c (internal compiler error) on x86_64-apple-darwin14)

PR ipa/64776
* cgraphunit.c (cgraph_node::expand_thunk): If not this_adjusting,
handle the first argument in the same loop as all the other arguments.

From-SVN: r220156

re PR rtl-optimization/61058 (ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in distance_agu_use_in_bb, at config/i386/i386.c:16740 with __builtin_unreachable())

PR rtl-optimization/61058
* jump.c (cleanup_barriers): Update basic block boundaries
if BLOCK_FOR_INSN is non-NULL on PREV.

* gcc.dg/pr61058.c: New test.

From-SVN: r220155

tree-chkp.c (chkp_call_returns_bounds_p): Fix handling of bounds narrowing...

gcc/

* tree-chkp.c (chkp_call_returns_bounds_p): Fix handling of
bounds narrowing, already instrumented calls and calls to
not instrumentable functions.

gcc/testsuite/

* gcc.target/i386/chkp-narrow-bounds.c: New.

From-SVN: r220154

re PR tree-optimization/64807 (Wrong-code because of wide-int division)

PR tree-optimization/64807
* wide-int.cc (wi::divmod_internal): Clear
b_dividend[dividend_blocks_needed].

* gcc.dg/pr64807.c: New test.

From-SVN: r220153

re PR middle-end/64766 (internal compiler error: tree check: expected block, have error_mark in lower_function_body, at gimple-low.c:122)

PR c/64766
* c-typeck.c (store_init_value): Don't overwrite DECL_INITIAL
of FUNCTION_DECLs with error_mark_node.

* gcc.dg/pr64766.c: New test.

From-SVN: r220152

rl78.c (move_elim_pass): Don't optimize away volatile memory references.

* config/rl78/rl78.c (move_elim_pass): Don't optimize away
volatile memory references.

From-SVN: r220151

Add PR jit/64257 to previous ChangeLog entry

From-SVN: r220150

update_web_docs_svn: support the JIT documentation

maintainer-scripts/ChangeLog:
* update_web_docs_svn: Don't delete gcc/jit/docs or
gcc/jit/jit-common.h, gcc/jit/notes.txt. Special case the
building of the JIT docs (using sphinx-build).  Special case
copying them up.

From-SVN: r220149

Daily bump.

From-SVN: r220148

Fix gcc_jit_context_get_last_error docs

gcc/jit/ChangeLog:
* docs/topics/compilation.rst (gcc_jit_result_get_code): Fix typo.
* docs/topics/contexts.rst (gcc_jit_context_get_last_error): The
error buffer is only valid until the next call to the context.
* libgccjit.h (gcc_jit_context_get_first_error): Reword the
comment to omit mention of compiling.
(gcc_jit_context_get_last_error): The error buffer is only valid
until the next call to the context.

From-SVN: r220145

re PR target/49263 (SH Target: underutilized "TST #imm, R0" instruction)

gcc/
PR target/49263
* config/sh/sh.c (sh_split_treg_set_expr): Invoke emit_insn before
remove_insn.
* config/sh/sh.md (tstsi_t): Don't try to optimize constant with right
shifts if it already fits into K08.

gcc/testsuite/
PR target/49263
* gcc.target/sh/pr49263-4.c: New.

From-SVN: r220144

re PR target/64368 (Several libstdc++ test failures on non-linux platforms after r218964.)

PR libstdc++/64368
* config/locale/gnu/numeric_members.cc (numpunct<char>::~numpunct(),
numpunct<wchar_t>::~numpunct()): Do not set _M_data->_M_grouping.
* src/c++11/cxx11-shim_facets.cc (numpunct_shim): Remove _M_grouping
and use cache's _M_grouping field.
(__numpunct_fill_cache): Likewise.
(__moneypunct_fill_cache): Improve comments.

From-SVN: r220143

configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.

2015-01-26  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
        * configure: Regenerate.

From-SVN: r220141

re PR fortran/62044 (ICE in USE statement with RENAME for extended derived type)

2015-01-26  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/62044
* resolve.c (resolve_allocate_expr): If the default initializer
is NULL, keep the original MOLD expression so that the correct
typespec is available.

2015-01-26  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/62044
* gfortran.dg/allocate_with_mold_1.f90: New test

From-SVN: r220140

re PR ipa/64730 (g++.dg/ipa/pr64049-1.C ICE: SEGV when printing NULL)

PR ipa/64730
* ipa-inline.c (inline_small_functions): Print "unknown" even
if edge->call_stmt is non-NULL, but has builtins or unknown
location.

From-SVN: r220139

re PR c/64778 (ICE on invalid code on x86_64-linux-gnu: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in create_tmp_from_val, at gimplify.c:491)

PR c/64778
* c-typeck.c (convert_arguments): Return -1 if there are
error_args, even if we've diagnosed too many arguments.

* gcc.dg/pr64778.c: New test.

From-SVN: r220138

re PR middle-end/64421 (Incorrect vector function name generated for log)

PR middle-end/64421
* omp-low.c (simd_clone_mangle): If DECL_ASSEMBLER_NAME starts
with asterisk, skip the first character.

* gcc.dg/vect/pr64421.c: New test.

From-SVN: r220137

re PR fortran/64771 (ICE(segfault) when passing coarrays around; ICE in gfc_zero_size_array in arith.c:1637)

2015-01-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/64771
gcc/fortran/
        * interface.c (check_dummy_characteristics): Fix coarray
        * handling.

testsuite/
        * gfortran.dg/coarray_36.f: New.
        * gfortran.dg/coarray_37.f90: New.

From-SVN: r220136

io.c (gfc_match_inquire): Replace "-1" by a defined constant.

2015-01-26  Tobias Burnus  <burnus@net-b.de>

        * io.c (gfc_match_inquire): Replace "-1" by a defined constant.

From-SVN: r220135

PR jit/64708: remove libgccjit.so from COMPILERS

gcc/jit/ChangeLog:
PR jit/64708
* config-lang.in (compilers): Drop "libgccjit.so".

From-SVN: r220133

Revert the last P_POPCNT order change

PR target/64806
* config/i386/i386 (feature_priority): Revert the last P_POPCNT
order change.

From-SVN: r220131

re PR target/64795 (too many memory references for `lea')

        PR target/64795
* config/i386/i386.md (*movdi_internal): Also check operand 0
to determine TYPE_LEA operand.
(*movsi_internal): Ditto.

From-SVN: r220128

Fix incorrect ChangeLog formatting.

From-SVN: r220126

re PR fortran/64230 (Invalid memory reference in a compiler-generated finalizer for allocatable component)

2015-01-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/64230
* class.c (finalize_component): New argument 'sub_ns'. Insert code to
check if 'expr' is associated.
(generate_finalization_wrapper): Rename 'ptr' symbols to 'ptr1' and
'ptr2'. Pass 'sub_ns' to finalize_component.

2015-01-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/64230
* gfortran.dg/class_allocate_18.f90: New.

From-SVN: r220125

[ARM/AArch64][testsuite] Add vpaddl tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vpaddl.c: New file.

From-SVN: r220124

[ARM/AArch64][testsuite] Add vpadal tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vpadal.c: New file.

From-SVN: r220123

[ARM/AArch64][testsuite] Add vmnv tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vmvn.c: New file.

From-SVN: r220122

[ARM/AArch64][testsuite] Add vmovl tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

    * gcc.target/aarch64/advsimd-intrinsics/vmovl.c: New file.

From-SVN: r220121

rs6000-cpus.def (POWERPC_MASKS): Add OPTION_MASK_QUAD_MEMORY_ATOMIC.

* config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add
OPTION_MASK_QUAD_MEMORY_ATOMIC.

From-SVN: r220120

[ARM/AArch64][testsuite] Add vpadd, vpmax and vpmin tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vpXXX.inc: New file.
* gcc.target/aarch64/advsimd-intrinsics/vpadd.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vpmax.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vpmin.c: New file.

From-SVN: r220119

[ARM/AArch64][testsuite] Add vmla_n and vmls_n tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vmlX_n.inc: New file.
* gcc.target/aarch64/advsimd-intrinsics/vmla_n.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vmls_n.c: New file.

From-SVN: r220118

[ARM/AArch64][testsuite] Add vsubhn, vraddhn and vrsubhn tests. Split vaddhn.c into vXXXhn.inc and vaddhn.c to share code with other new tests.

2015-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

* gcc.target/aarch64/advsimd-intrinsics/vXXXhn.inc: New file.
* gcc.target/aarch64/advsimd-intrinsics/vraddhn.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vrsubhn.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vsubhn.c: New file.
* gcc.target/aarch64/advsimd-intrinsics/vaddhn.c: Use code from
vXXXhn.inc.

From-SVN: r220117

[AARCH64]Fix TLS local exec model addressing code generation inconsistency.

gcc/

* config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Correct
the comment.
* config/aarch64/aarch64.md * (tlsle_small_<mode>): Add left shift
12-bit for higher part.

From-SVN: r220116

configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.

2015-01-24  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
        * configure: Regenerate.

From-SVN: r220113