arm.h (TARGET_LDRD): Reject Thumb1 targets.

2012-11-26  Greta Yorsh  <Greta.Yorsh@arm.com>

* config/arm/arm.h (TARGET_LDRD): Reject Thumb1 targets.

From-SVN: r193810

re PR fortran/54881 ([OOP] ICE in fold_convert_loc, at fold-const.c:2016)

2012-11-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54881
* match.c (select_derived_set_tmp,select_class_set_tmp): Removed and
unified into ...
(select_type_set_tmp): ... this one. Set POINTER argument according to
selector.
* trans-intrinsic.c (gfc_conv_associated): Use 'gfc_class_data_get'
instead of 'gfc_add_data_component'.

2012-11-26  Janus Weil  <janus@gcc.gnu.org>

PR fortran/54881
* gfortran.dg/associated_6.f90: New.
* gfortran.dg/select_type_30.f03: New.

From-SVN: r193809

t-linux (MULTIARCH_DIRNAME): Fix unbalanced parentheses.

2012-11-26  Matthias Klose  <doko@ubuntu.com>

        * config/rs6000/t-linux (MULTIARCH_DIRNAME): Fix unbalanced
        parentheses.

From-SVN: r193807

re PR tree-optimization/54471 (FAIL: gcc.dg/sms-8.c execution test)

PR tree-optimization/54471
* tree-vrp.c (extract_range_from_binary_expr_1): For MULT_EXPR,
don't canonicalize range if min2 is zero.

* gcc.dg/tree-ssa/vrp86.c: New test.
* gcc.c-torture/execute/pr54471.c: New test.

From-SVN: r193806

re PR middle-end/55030 (gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -Os (et al))

PR middle-end/55030
* gcc.dg/guality/pr36728-1.c, gcc.dg/guality/pr36728-2.c (foo): Don't
use volatile asms, use plain asms.   Where the output value for the
asm is unused, write a global variable.

From-SVN: r193803

re PR middle-end/55030 (gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -Os (et al))

PR middle-end/55030
* builtins.c (expand_builtin_setjmp_receiver): Update comment
regarding purpose of blockage.
* emit-rtl.c [!HAVE_blockage] (gen_blockage): Similarly for
the head comment.
* rtlanal.c (volatile_insn_p): Ditto.
* doc/md.texi (blockage): Update similarly.  Change wording to
require one of two forms, rather than implying a wider choice.
* cse.c (cse_insn): Where checking for blocking insns, use
volatile_insn_p instead of manual check for volatile ASM.
* dse.c (scan_insn): Ditto.
* cselib.c (cselib_process_insn): Ditto.

From-SVN: r193802

Daily bump.

From-SVN: r193801

sw-1.c (dg-options): Add -mtune=generic.

* gcc.target/i386/sw-1.c (dg-options): Add -mtune=generic.

From-SVN: r193798

sse.md (<sse>_loadu<ssemodesuffix><avxsizesuffix>): Do not depend on TARGET_SSE_TYPELESS_STORES.

* config/i386/sse.md (<sse>_loadu<ssemodesuffix><avxsizesuffix>):
Do not depend on TARGET_SSE_TYPELESS_STORES.
(<sse2>_loaddqu<avxsizesuffix>): Ditto.
(<sse>_storeu<ssemodesuffix><avxsizesuffix>): Fix handling of
TARGET_SSE_TYPELESS_STORES.
(<sse2>_storedqu<avxsizesuffix>): Ditto.

From-SVN: r193797

re PR libquadmath/55462 (FAIL: gfortran.dg/quad_2.f90  -O*  execution test after revision 193770)

2012-11-25  Tobias Burnus  <burnus@net-b.de>

        PR libquadmath/55462
        * strtod/strtod_l.c (round_and_return): Use HAVE_FENV_H
        instead of nonexisting HAVE_GET_ROUNDING_MODE.

From-SVN: r193796

re PR fortran/30146 (Redefining do-variable in excecution cycle)

2012-11-25  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/30146
* frontend-passes.c (doloop_warn):  New function.
(doloop_list):  New static variable.
(doloop_size):  New static variable.
(doloop_level):  New static variable.
(gfc_run_passes): Call doloop_warn.
(doloop_code):  New function.
(doloop_function):  New function.
(gfc_code_walker):  Keep track of DO level.

2012-11-25  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/30146
* gfortran.dg/do_check_6.f90:  New test.

From-SVN: r193793

compiler: Don't use memcmp for equality if struct has trailing padding.

From-SVN: r193791

Daily bump.

From-SVN: r193790

tm.texi.in (DELAY_SLOTS_FOR_EPILOGUE): Remove documentation.

gcc/
* doc/tm.texi.in (DELAY_SLOTS_FOR_EPILOGUE): Remove documentation.
(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
* doc/tm.texi: Regenerate.
* reorg.c (fill_simple_delay_slots): Remove code conditional on
DELAY_SLOTS_FOR_EPILOGUE being defined.
(make_return_insns, dbr_schedule): Likewise.
* system.h (DELAY_SLOTS_FOR_EPILOGUE): Poison.
(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.

From-SVN: r193787

re PR c++/55446 (array new with size zero vanishes from object code)

/cp
2012-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/55446
* init.c (build_vec_init): Do not early return error_mark_mode
when integer_all_onesp (maxindex).

/testsuite
2012-11-24  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/55446
* g++.dg/init/new41.C: New.

From-SVN: r193785

syscall: Fix handling of Unix domain @ addresses.

From-SVN: r193783

[libsanitizer] add mach_override and enable libsanitizer on darwin

From-SVN: r193781

t-linux64 (MULTILIB_OSDIRNAMES): Use x86_64-linux-gnux32 as multiarch name for x32.

2012-11-24  Matthias Klose  <doko@ubuntu.com>

        * gcc/config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use
        x86_64-linux-gnux32 as multiarch name for x32.

From-SVN: r193779

re PR fortran/55314 (Rejects some valid ALLOCATE statements)

2012-11-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/55314
* resolve.c (resolve_allocate_deallocate):  Compare all
subscripts when deciding if to reject a (de)allocate
statement.

2012-11-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/55314
* gfortran.dg/allocate_error_4.f90:  New test.

From-SVN: r193778

gcc-gdb-test.exp (gdb-test): Pass -- as first argument to send_log.

* lib/gcc-gdb-test.exp (gdb-test): Pass -- as first argument
to send_log.

From-SVN: r193777

configure.ac (multiarch): Use $enableval instead of $withval.

2012-11-24  Matthias Klose  <doko@ubuntu.com>

        * configure.ac (multiarch): Use $enableval instead of $withval.
        * configure: Regenerate.
        * config/i386/t-kfreebsd (MULTILIB_OSDIRNAMES): Filter out x32.

From-SVN: r193776

Don't pass void to fegetround

PR bootstrap/55455
* quadmath-rounding-mode.h (get_rounding_mode): Don't pass
void to fegetround.

From-SVN: r193775

Daily bump.

From-SVN: r193774

Add the missing file

From-SVN: r193771

quadmath-rounding-mode.h: New.

2012-11-23  Tobias Burnus  <burnus@net-b.de>
            Joseph Myers  <joseph@codesourcery.com>

        * quadmath-rounding-mode.h: New.
        * printf/fpioconst.c: Update from GLIBC. Fix strtod rounding.
        * printf/fpioconst.h: Ditto.
        * printf/printf_fp.c (__quadmath_printf_fp): Update from GLIBC.
        Make printf respect the rounding mode for decimal output.
        * printf/printf_fphex.c (__quadmath_printf_fphex): Update from
        GLIBC.  Make printf respect the rounding mode for hex output.
        * strtod/strtod_l.c: Update from GLIBC. Make strtod respect the
        rounding mode. Fix strtod handling of underflow.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
From-SVN: r193770

re PR libstdc++/52680 (std::this_thread::sleep_for #ifdef'd out by _GLIBCXX_USE_NANOSLEEP)

PR libstdc++/52680
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Check for usleep and
sleep if nanosleep is not available. Bump libtool revision.
* config.h.in: Regenerate.
* configure: Likewise.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.18): Add __sleep_for.
* include/std/thread (this_thread::__sleep_for): Add.
(this_thread::yield, this_thread::sleep_until, this_thread::sleep_for):
Declare unconditionally.
* src/c++11/thread.cc (this_thread::__sleep_for): Define.
* testsuite/lib/libstdc++.exp (check_v3_target_nanosleep): Rename to
check_v3_target_sleep.
* testsuite/lib/dg-options.exp (dg-require-nanosleep): Rename to
dg-require-sleep.
* testsuite/30_threads/condition_variable_any/53830.cc: Update.
* testsuite/30_threads/this_thread/2.cc: Likewise.
* testsuite/30_threads/this_thread/3.cc: Likewise.
* testsuite/30_threads/this_thread/4.cc: Likewise.
* testsuite/30_threads/async/54297.cc: Likewise.

From-SVN: r193769

Set gcc_version in tsan/Makefile.am

PR sanitizer/55450
* tsan/Makefile.am (gcc_version): New.
* tsan/Makefile.in: Regenerated.

From-SVN: r193767

invoke.texi (-fsanitize=address): Remove obsolete remark.

2012-11-23  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize=address): Remove obsolete
        remark.

From-SVN: r193764

asan-dg.exp (asan_symbolize): Remove all "BFD: " prefixed lines from the output.

* lib/asan-dg.exp (asan_symbolize): Remove all "BFD: " prefixed lines
from the output.

From-SVN: r193763

re PR c++/54046 (wrong control reaches end of non-void function for switch case with throw and default)

PR c++/54046
* Makefile.in (gimple-low.o): Depend on langhooks.h.
* gimple-low.c: Include langhooks.c.
(block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK,
by default call lang_hooks.block_may_fallthru.
* langhooks.h (struct lang_hooks): Add block_may_fallthru
langhook.
* langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define.
(LANG_HOOKS_INITIALIZER): Use it.

* cp-objcp-common.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Redefine.
* cp-objcp-common.c (cxx_block_may_fallthru): New function.
* cp-tree.h (cxx_block_may_fallthru): New prototype.

* g++.dg/warn/Wreturn-type-8.C: New test.

From-SVN: r193762

i386-c.c (ix86_target_macros_internal): Update handling of core chips.

* i386-c.c (ix86_target_macros_internal): Update handling of core
chips.
* i386.c (DUMMY_STRINGOP_ALGS): Update
(*_cost): Update.
(core_cost): Copy from generic64_cost; fix stringop descriptors.
(m_CORE2_32, m_CORE2_64, m_COREI7_32, m_COREI7_64, m_CORE2I7_32,
m_CORE2I7_64): Remove.
(m_CORE2, m_COREI7, m_CORE2I7): Update.
(initial_ix86_tune_features): Update.
(processor_target): Update.
(ix86_option_override_internal): Update.
(ix86_option_override_internal): Remove PROCESSOR_CORE2_64,
PROCESSOR_COREI7_64 special cases.
(decide_alg): Add noalign parameter; set it.
(ix86_expand_movmem, ix86_expand_setmem): Update noalign handling.
(ix86_issue_rate): Update.
(ia32_multipass_dfa_lookahead): Update.
(ix86_sched_init_global): Update.
(get_builtin_code_for_version): Update.
* i386.h (stringop_strategy): Add noalign flag.
(TARGET_CORE2_32, TARGET_CORE2_64, TARGET_COREI7_32, TARGET_COREI7_64):
Remove.
(TARGET_CORE2, TARGET_COREI7): New.
(enum processor_type): Remove PROCESSOR_CORE2_32, PROCESSOR_CORE2_64,
PROCESSOR_COREI7_32, PROCESSOR_COREI7_64; add PROCESSOR_CORE2,
PROCESSOR_COREI7.

From-SVN: r193761

re PR rtl-optimization/55388 (ICE in int_mode_for_mode at stor-layout.c:423)

PR rtl-optimization/55388
* alias.c (nonoverlapping_component_refs_p): Handle bitfields.
* emit-rtl.c (adjust_address_1): Deal with VOIDmode early.
* expmed.c (store_bit_field): Turn the call to adjust_address
into a call to adjust_bitfield_address_size.

From-SVN: r193760

lra.c (lra): Move init_reg_info and expand_reg_info calls before init_insn_recog_data.

2012-11-23  Vladimir Makarov  <vmakarov@redhat.com>

* lra.c (lra): Move init_reg_info and expand_reg_info calls before
init_insn_recog_data.

From-SVN: r193759

re PR c++/55418 (Valgrind: Conditional jump or move depends on uninitialised value(s) in implicitly_declare_fn() method.c:1623)

2012-11-23  Markus Trippelsdorf  <markus@trippelsdorf.de>

PR c++/55418
* method.c (implicitly_declare_fn): Properly initialize trivial_p.

From-SVN: r193758

re PR middle-end/55430 (LRA miscompilation of ree.c)

PR middle-end/55430
* gcc.dg/pr55430.c: New test.

From-SVN: r193757

[libsanitizer] merge from upstream r168514

From-SVN: r193756

tsan.c: Fix up comment formatting.

* tsan.c: Fix up comment formatting.
(instrument_gimple): Ignore gimple_clobber_p stmts.
(pass_tsan, pass_tsan_O0): Remove TODO_update_address_taken
from todo_flags_finish.

From-SVN: r193755

trans.c (Attribute_to_gnu): Look through a view conversion from constrained to unconstrained form.

* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Length>: Look through
a view conversion from constrained to unconstrained form.

From-SVN: r193751

decl.c (components_need_strict_alignment): New.

* gcc-interface/decl.c (components_need_strict_alignment): New.
(components_to_record): Do not pack the variants if one of the fields
needs strict alignment.  Likewise for the variant part as a whole.
Specify the position of the variants even if the size isn't specified,
but do not specify the size of the variant part in this case.

From-SVN: r193750

re PR testsuite/52641 (Test cases fail for 16-bit int targets)

PR testsuite/52641
* gcc.dg/unroll_5.c: Add dg-require-effective-target int32plus.
* gcc.dg/pr55150-1.c: Same.
* gcc.dg/torture/pr54894.c: Add size32plus.

From-SVN: r193749

re PR sanitizer/55435 ([asan] implement an attribute to disable asan instrumentation for a particular function)

PR sanitizer/55435
* c-common.c (handle_no_address_safety_analysis_attribute): New
function.
(c_common_attribute_table): Add no_address_safety_analysis.

* asan.c (gate_asan): Don't instrument functions with
no_address_safety_analysis attribute.
(gate_asan_O0): Use !optimize && gate_asan ().
* doc/extend.texi (no_address_safety_analysis): Document new
function attribute.

* c-c++-common/asan/attrib-1.c: New test.

From-SVN: r193748

predict.c (maybe_hot_count_p): Use threshold from profiled working set instead of hard limit.

* predict.c (maybe_hot_count_p): Use threshold from profiled working
set instead of hard limit.
(cgraph_maybe_hot_edge_p): Invoke maybe_hot_count_p() instead of
directly checking limit.
* params.def (HOT_BB_COUNT_FRACTION): Remove.
(HOT_BB_COUNT_WS_PERMILLE): New parameter.
* invoke.texi (hot-bb-count-fraction): Remove.
(hot-bb-count-ws-permille): Document.

Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r193747

[libsanitizer] a script to help merging asan/tsan from upstream

From-SVN: r193743

re PR middle-end/55430 (LRA miscompilation of ree.c)

2012-11-22  Vladimir Makarov  <vmakarov@redhat.com>

PR middle-end/55430
* lra.c: Move #include "hard-reg-set.h" before #include "rtl.h".
(new_insn_reg): Update biggest_mode.
(collect_non_operand_hard_regs): Check eliminable regs too.
(initialize_lra_reg_info_element): Initialize biggest_mode.
(add_regs_to_insn_regno_info): Ignore non-allocatable
non-eliminable hard regs.
(lra.c): Move setting lra_no_alloc_regs before
init_insn_recog_data.
* lra-constraints.c (simplify_operand_subreg): Add a comment.
(lra_constraints): Ignore equivalent memory of
regs occuring in paradoxical subregs.
* lra-lives.c (lra_create_live_ranges): Add a comment.

From-SVN: r193742

Makefile.am (AM_CXXFLAGS): Remove -Wno-variadic-macros.

* tsan/Makefile.am (AM_CXXFLAGS): Remove -Wno-variadic-macros.
* Makefile.am (SUBDIRS): Guard tsan addition with TSAN_SUPPORTED
automake conditional instead of !MULTISUBDIR32.
* configure.tgt: Set TSAN_SUPPORTED=yes for x86_64/i686-linux
for 64-bit multilib.
* configure.ac: Check for void * size, source in configure.tgt,
define TSAN_SUPPORTED conditional instead of MULTILIBDIR32.
* configure: Regenerated.
* Makefile.in: Regenerated.
* tsan/Makefile.in: Regenerated.

From-SVN: r193741

Daily bump.

From-SVN: r193740

tsan: New directory.

libsanitizer/
* tsan: New directory. Import tsan runtime from llvm.
* configure.ac: Add 64 bits tsan build.
* Makefile.am: Likewise.
* configure: Regenerated.
* Makefile.in: Likewise.

From-SVN: r193737

builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.

2012-11-22  Dmitry Vyukov  <dvyukov@google.com>
    Wei Mi  <wmi@google.com>

* builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.
* sanitizer.def: Ditto.
* Makefile.in (tsan.o): Add tsan.o target.
(BUILTINS_DEF): Add sanitizer.def.
* passes.c (init_optimization_passes): Add tsan passes.
* tree-pass.h (register_pass_info): Ditto.
* toplev.c (compile_file): Ditto.
* doc/invoke.texi: Document tsan related options.
* gcc.c (LINK_COMMAND_SPEC): Add LIBTSAN_SPEC in link command if
-fsanitize=thread.
* tsan.c: New file about tsan.
* tsan.h: Ditto.
* common.opt: Add -fsanitize=thread.

Co-Authored-By: Wei Mi <wmi@google.com>
From-SVN: r193736

md.texi (RTL Templates Transformation): Use @pxref for cross-reference in parentheses.

* doc/md.texi (RTL Templates Transformation): Use @pxref for
cross-reference in parentheses.

From-SVN: r193735

i386.md (*jcc<mode>_0_i387): Macroize insn from *fp_jcc_3_387 using X87MODEF mode iterator.

* config/i386/i386.md (*jcc<mode>_0_i387): Macroize insn
from *fp_jcc_3_387 using X87MODEF mode iterator.
(*jcc<mode>_0_r_i387): New.
(*jccxf_i387): Ditto.
(*jccxf_r_i387): Ditto.
(*jcc<mode>_i387): Macroize insn from *fp_jcc_1_387 using
MODEF mode iterator.
(*jcc<mode>_r_i387): Macroize insn from *fp_jcc_1r_387 using
MODEF mode iterator.
(*jccu<mode>_i387): Macroize insn from *fp_jcc_2_387 using
X87MODEF mode iterator.
(*jccu<mode>_r_i387): Macroize insn from *fp_jcc_2r_387 using
X87MODEF mode iterator.
(*jcc{,u}<mode>_i387 splitters): Macroize splitters using
X87MODEF mode iterator.
(*jcc<X87MODEF:mode>_<SWI24:mode>_i387): Macroize insn
from *fp_jcc_4_<mode>_387 using X87MODEF mode iterator.
(*jcc<X87MODEF:mode>_<SWI24:mode>_r_i387): New.
(*jcc<X87MODEF:mode>_<SWI24:mode>_i387 splitters): Macroize
splitters using X87MODEF and SWI24 mode iterators.

From-SVN: r193734

Remove documentation for AArch64 constraint 'Utf'.

2012-11-22  Marcus Shawcroft  <marcus.shawcroft@arm.com>

* doc/md.texi (AArch64 family): Remove Utf.

From-SVN: r193732

i386.md (FPCMP): New mode iterator.

* config/i386/i386.md (FPCMP): New mode iterator.
(unord): New mode attribute.
(*cmp<mode>_0_i387): Macroize insn from *cmpfp_0
using X87MODEF mode iterator.
(*cmp<mode>_0_cc_i387): Macroize insn from *cmpfp_0_cc using
X87MODEF mode iterator.
(*cmpxf_i387): Rename from *cmpfp_xf.
(*cmpxf_cc_i387): Rename from *cmpfp_xf_cc.
(*cmp<mode>_i387): Rename from *cmpfp_<mode>.
(*cmp<mode>_cc_i387): Rename from *cmpfp_<mode>_cc.
(*cmpu<mode>_i387): Macroize insn from *cmpfp_u using X87MODEF
mode iterator.
(*cmpu<mode>_cc_i387): Macroize insn from *cmpfp_u_cc using X87MODEF
mode iterator.
(*cmp<X87MODEF:mode>_<SWI24:mode>_i387): Macroize_insn from
*cmpfp_<mode> using X87MODEF mode iterator.
(*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Macroize_insn from
*cmpfp_<mode>_cc using X87MODEF mode iterator.
(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
*cmpfp_i{,u}_mixed using FPCMP and MODEF mode iterators.
(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
*cmpfp_i{,u}_sse using FPCMP and MODEF mode iterators.
(*cmpi<CCFPCMP:unord><X87MODEF:mode>_i387): Macroize insn from
*cmpfp_i{,u}_387 using FPCMP and X87MODEF mode iterators.

From-SVN: r193731

Implement bswaphi2 with rev16 (AArch64)

From-SVN: r193729

Issue an error for -static with fsanitize=address

PR sanitizer/55379
* gcc.c (LINK_COMMAND_SPEC): Issue an error for -static with
-fsanitize=address.

From-SVN: r193728

re PR c++/55137 (Unexpected static structure initialization)

PR c++/55137
* semantics.c (verify_constant): Track overflow separately.
(reduced_constant_expression_p): Don't check it here.
(cxx_eval_constant_expression): Check it on CSTs.
(cxx_eval_outermost_constant_expr): Treat overflows as non-constant
at this point, but still return the folded version.
(potential_constant_expression_1): Don't check overflow.

From-SVN: r193727

call.c (extend_ref_init_temps_1): Recompute TREE_CONSTANT for the ADDR_EXPR.

* call.c (extend_ref_init_temps_1): Recompute TREE_CONSTANT for
the ADDR_EXPR.

From-SVN: r193726

Add STATIC_LIBASAN_LIBS for -static-libasan

* gcc.c (ADD_STATIC_LIBASAN_LIBS): New macro.  Defined
with STATIC_LIBASAN_LIBS.
(LIBASAN_SPEC): Add STATIC_LIBASAN_LIBS.
* config/gnu-user.h (STATIC_LIBASAN_LIBS): New macro.

From-SVN: r193725

arm.md (*arm_abssi2): Define predicable attribute.

2012-11-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

* config/arm/arm.md (*arm_abssi2): Define predicable attribute.
(*arm_neg_abssi2): Likewise.
* config/arm/thumb2.md (*thumb2_abssi2): Likewise.
(*thumb2_neg_abssi2): Likewise.

From-SVN: r193724

re PR c++/55432 (Too much constexpr makes the compiler crash)

2012-11-22  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/55432
* g++.dg/cpp0x/constexpr-55432.C: New.

From-SVN: r193723

* ree.c (struct ext_modified): Add ATTRIBUTE_PACKED.

From-SVN: r193722

Adjust decimal point of signed accum mode to GCC default.

libgcc/
Adjust decimal point of signed accum mode to GCC default.

PR target/54222
* config/avr/t-avr (LIB1ASMFUNCS): Add _fractsfsq _fractsfusq,
_divqq_helper.
* config/avr/lib1funcs-fixed.S (__fractqqsf, __fracthqsf)
(__fractsasf, __fractsfha, __fractusqsf, __fractsfsa)
(__mulha3, __mulsa3)
(__divqq3, __divha3, __divsa3): Adjust to new position of
decimal point of signed accum types.

(__mulusa3_round): New function.
(__mulusa3): Use it.
(__divqq_helper): New function.
(__udivuqq3): Use it.

gcc/
Adjust decimal point of signed accum mode to GCC default.

PR target/54222
* config/avr/avr-modes.def (HA, SA, DA): Remove mode adjustments.
(TA): Move decimal point one bit to the right.
* config/avr/avr.c (avr_out_fract): Rewrite.

From-SVN: r193721

configure.tgt (i[3456]86): Handle -mx32 like -m64.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * configure.tgt (i[3456]86): Handle -mx32 like -m64.

From-SVN: r193720

Daily bump.

From-SVN: r193719

atanq.c (atanq): Update from GLIBC.

2012-11-22  David S. Miller  <davem@davemloft.net>
            Tobias Burnus  <burnus@net-b.de>
            Joseph Myers  <joseph@codesourcery.com>

        * math/atanq.c (atanq): Update from GLIBC. Handle tiny and
        very large arguments properly.
        * math/j0q.c (y0q): Update from GLIBC. Avoid arithmetic
        underflow when 'x' is very small.
        * math/j1q.c (y1q): Ditto.
        * math/log1pq.c (log1pq): Update from GLIBC. Saturate
        nonzero exponents with absolute value below 0x1p-128 to
        +/- 0x1p-128.
        * math/powq.c (powq): Update from GLIBC. If xm1 is
        smaller than LDBL_EPSILON/2.0L, just return xm1.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r193716

t-linux: New file; define MULTIARCH_DIRNAME.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <alpha*-*-linux*> (tmake_file): Include alpha/t-linux.

From-SVN: r193715

t-linux: Define MULTIARCH_DIRNAME.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/m68k/t-linux: Define MULTIARCH_DIRNAME.

From-SVN: r193714

t-linux: New file; define MULTIARCH_DIRNAME.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME.
        * config.gcc <ia64*-*-linux*> (tmake_file): Include ia64/t-linux.

From-SVN: r193713

re PR rtl-optimization/55414 (spec2006 416.gamess compilation fails on LRA)

2012-11-21  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/55414
* lra-constraints.c (Index): New function.
(lra_constraints): Check dead equiv init insns.

From-SVN: r193712

re PR fortran/55352 (Erroneous gfortran warning of unused module variable when variable is only used in namelist)

2012-11-21  Janus Weil  <janus@gcc.gnu.org>

PR fortran/55352
* trans-decl.c (generate_local_decl): Don't warn for explicitly imported
but unused module variables which are in a namelist or common block.

2012-11-21  Janus Weil  <janus@gcc.gnu.org>

PR fortran/55352
* gfortran.dg/namelist_76.f90: New.

From-SVN: r193711

alpha: Update to new extv/insv patterns

        * config/alpha/alpha.md (extvmisaligndi): Rename from extv; update
        mode of operand 1; remove ancient extract_bit_field workaround.
        (insvmisaligndi): Rename from insv and update similarly.
        (extzvmisaligndi): Rename from extzv and update similarly; split out...
        (extzvdi): New expander.

From-SVN: r193710

re PR pch/55399 (pch tests fail on mips-mti-linux-gnu target)

2012-11-21  Steve Ellcey  <sellcey@mips.com>

PR pch/55399
* files.c (pch_open_file): Fix check for implicit_preinclude.

From-SVN: r193709

re PR libgomp/55411 (OMP threads lose their OMP_WAIT_POLICY when another OMP thread gets destructed)

PR libgomp/55411
* team.c (gomp_free_thread): Decrease gomp_managed_threads
if pool had any threads_used.

From-SVN: r193706

Document __SANITIZE_ADDRESS__

* doc/cpp.texi: Document __SANITIZE_ADDRESS__.

From-SVN: r193705

Define __SANITIZE_ADDRESS__ for -fsanitize=address

PR c/55397
* cppbuiltin.c (define_builtin_macros_for_compilation_flags):
Define __SANITIZE_ADDRESS__ for flag_asan.

From-SVN: r193704

common.opt: Change faddress-sanitizer to fsanitize=address.

* common.opt: Change faddress-sanitizer to fsanitize=address.
* toplev.c (process_options): Likewise.
* gcc.c (LINK_COMMAND_SPEC): Likewise.
* testsuite/lib/asan-dg.exp
(check_effective_target_faddress_sanitizer): Likewise.
(asan_init): Likewise.
* doc/invoke.texi (-fsanitize=address): Document.

From-SVN: r193702

ipa-prop.h (struct ipa_node_params): Rename clone_for_all_contexts to do_clone_for_all_contexts.

2012-11-21  Martin Jambor  <mjambor@suse.cz>

* ipa-prop.h (struct ipa_node_params): Rename clone_for_all_contexts to
do_clone_for_all_contexts.  Update all uses.  New flag
is_all_contexts_clone.
* ipa-cp.c (cgraph_edge_brings_value_p): Also consider the case when cs
leads to the clone for all contexts.
(perhaps_add_new_callers): Likewise.
(decide_whether_version_node): Remove bogus !plats->aggs test.  Set
is_all_contexts_clone when cloning for all contexts.

* testsuite/gcc.dg/ipa/ipcp-agg-7.c: New test.
* testsuite/gcc.dg/ipa/ipcp-agg-8.c: Likewise.

From-SVN: r193701

re PR tree-optimization/55260 (ICE: in ipa_get_parm_lattices, at ipa-cp.c:263 with -O2 -fno-inline -fipa-cp-clone)

2012-11-21  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/55260
* ipa-cp.c (intersect_aggregates_with_edge): New function.
(find_aggregate_values_for_callers_subset): Part moved to the function
above.  Call it.
(cgraph_edge_brings_all_agg_vals_for_node): Reimplemented using
intersect_aggregates_with_edge.

* testsuite/g++.dg/torture/pr55260-2.C: New test.

From-SVN: r193700

t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.

From-SVN: r193699

extend libsanitizer/README.gcc

From-SVN: r193698

re PR gcov-profile/55417 (AddressSanitizer reports stack-buffer-overflow in profiling code)

PR gcov-profile/55417
* profile.c (compute_working_sets): Check index first
to avoid out-of-bounds array access.

From-SVN: r193697

re PR libquadmath/55225 (Fail to build lgammaq.c from trunk with mingw-w64)

2012-11-21  Tobias Burnus  <burnus@net-b.de>

        PR libquadmath/55225
        * math/lgammaq.c (lgammaq): Use local variable if
        math.h does not provide signgam.
        * acinclude.m4 (LIBQUAD_CHECK_MATH_H_SIGNGAM): New check.
        * configure.ac: Use it.
        * configure: Regenerate.
        * config.h.in: Regenerate.

From-SVN: r193695

t-aarch64-linux: Define MULTIARCH_DIRNAME for linux target.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/aarch64/t-aarch64-linux: Define MULTIARCH_DIRNAME for
        linux target.

From-SVN: r193694

* config/i386/i386.md
(*float<SWI48x:mode><MODEF:mode>2_mixed_with_temp): Use SWI48 mode
iterator instead of SWI48x.  Update insn constraint.
(*float<SWI48x:mode><MODEF:mode>2_mixed_interunit): Ditto.
(*float<SWI48x:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
(*float<SWI48x:mode><MODEF:mode>2_sse_with_temp): Ditto.
(*float<SWI48x:mode><MODEF:mode>2_sse_interunit): Ditto.
(*float<SWI48x:mode><MODEF:mode>2_sse_nointerunit): Ditto.
(*float<SWI48x:mode><MODEF:mode>2 splitters): Ditto.
(lrint<MODEF:mode><SWI48x:mode>2): Ditto.

From-SVN: r193692

Fix parallel build race.

gengtype-lex.c is built twice, once for BUILD and once for HOST, but
the BUILD flavour is missing a dependency on $(BCONFIG_H).

2012-11-21  Marcus Shawcroft  <marcus.shawcroft@arm.com>

* Makefile.in (gengtype-lex.o): Add dependency on $(BCONFIG_H).

From-SVN: r193691

pr55238.c: Remove hidden attribute.

2012-11-21  Martin Jambor  <mjambor@suse.cz>

* gcc.dg/torture/pr55238.c: Remove hidden attribute.

From-SVN: r193690

libgo: Update to current version of master library.

From-SVN: r193688

* config/arm/arm-cores.def (cortex-m1, cortex-m0)
(cortex-m0plus): Use v6m.
* config/arm/arm-protos.h (tune_params): Add
logical_op_non_short_circuit.
* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
(arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune)
(arm_cortex_tune, arm_cortex_a15_tune, arm_cortex_a5_tune)
(arm_cortex_a9_tune, arm_fa726te_tune): Set
logical_op_non_short_circuit field.
(arm_v6m_tune): New tune_params struct.
* config/arm/arm.h (LOGICAL_OP_NON_SHORT_CIRCUIT): Define.

* gcc.dg/tree-ssa/ssa-dom-thread-4.c: Skip on ARM Cortex-M0.
* gcc.dg/tree-ssa/vrp47.c: Ditto.

From-SVN: r193687

configure.ac: Substitute `with_cpu'.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Substitute `with_cpu'.
        * configure: Regenerate.
        * Makefile.in: Define `with_cpu'.
        * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES.
        * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME.
        * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2
        to the list.
        (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS.
        * config/rs6000/t-spe: Define MULTIARCH_DIRNAME.
        * config.gcc <powerpc-*-linux* | powerpc64-*-linux*> (tmake_file):
        Include rs6000/t-linux for 32bit non-biarch configurations.

From-SVN: r193686

install.texi: Move multiarch paragraph out of multilib documentation.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Move multiarch paragraph out of multilib
        documentation.

From-SVN: r193685

Daily bump.

From-SVN: r193684

t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.

2012-11-20  Matthias Klose  <doko@ubuntu.com>

        * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target.

From-SVN: r193681

stor-layout.c (bit_field_mode_iterator::next_mode): Fix signedness.

gcc/
* stor-layout.c (bit_field_mode_iterator::next_mode): Fix signedness.

From-SVN: r193680

re PR rtl-optimization/55396 (-O2 -m32 -fno-omit-frame-pointer: internal compiler error: in check_rtl, at lra.c:2007)

2012-11-20  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/55396
* lra-constraints.c (get_reload_reg): Change class if it is
different from reg class.

From-SVN: r193678

Introduce vNULL to use as a nil initializer for vec<>.

This patch implements Jakub's idea of adding an empty struct with
a typecast operator that returns nil vectors.  This is useful to
shorten all the initializers when declaring vec instances or passing
nil vectors as function arguments.

2012-11-20  Diego Novillo  <dnovillo@google.com>
    Jakub Jelinek  <jakub@redhat.com>

ChangeLog
* vec.h (struct vnull): Declare.
(vNULL): Declare.
* vec.c (vNULL): Define.
* bb-reorder.c: Replace all vec<T, A>() initializers with vNULL.
* cfgexpand.c: Likewise.
* cfgloop.c: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraph.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/i386/i386.c: Likewise.
* df-core.c: Likewise.
* dominance.c: Likewise.
* dwarf2out.c: Likewise.
* except.c: Likewise.
* function.c: Likewise.
* gcse.c: Likewise.
* genautomata.c: Likewise.
* graphds.c: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite.c: Likewise.
* haifa-sched.c: Likewise.
* ifcvt.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ira-build.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-symtab.c: Likewise.
* opts-global.c: Likewise.
* passes.c: Likewise.
* ree.c: Likewise.
* sched-deps.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* stor-layout.c: Likewise.
* trans-mem.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-eh.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-predcom.c: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* value-prof.c: Likewise.
* varasm.c: Likewise.

ada/ChangeLog
* gcc-interface/decl.c: Replace all vec<T,A>()
initializers with vNULL.

cp/ChangeLog
* name-lookup.c: Replace all vec<T, A>() initializers
with vNULL.
* semantics.c: Likewise.

fortran/ChangeLog
* trans-openmp.c: Replace all vec<T, A>() initializers
with vNULL.

lto/ChangeLog
* lto.c: Replace all vec<T, A>() initializers with vNULL.

objc/ChangeLog
* objc-act.c: Replace all vec<T, A>() initializers with vNULL.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r193677

Fix sanitizer build on sparc64.

* sanitizer_common/sanitizer_linux.cc
(SANITIZER_LINUX_USES_64BIT_SYSCALLS): Define.
(internal_mmap): Use it.
(internal_filesize): Likewise.

From-SVN: r193676

vec.h (class vec_prefix): Change into struct.

* vec.h (class vec_prefix): Change into struct.
Rename field alloc_PRIVATE_ back to alloc_.
Rename field num_PRIVATE_ to num_.
Update all users.
(class vec<T, A, vl_embed>): Rename field pfx_PRIVATE_ to vecpfx_.
Rename field data_PRIVATE_ to vecdata_.
Update all users.
(class vec<T, A, vl_ptr>): Make every field public.
Rename field vec_PRIVATE_ back to vec_.
Update all users.

From-SVN: r193675

re PR middle-end/55403 (ICE building libitm)

gcc/
PR middle-end/55403
PR middle-end/55391
* expmed.c (store_bit_field_1): Use adjust_bitfield_address_size
rather than adjust_bitfield_address to change the mode of a reference.
(extract_bit_field_1): Likewise.

From-SVN: r193674

rs6000.md (movdf_hardfloat32): Add a comment explaining the register ordering preferences.

2012-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

* config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment
explaining the register ordering preferences.

From-SVN: r193673

re PR tree-optimization/55350 (verify_gimple failed with invalid (pointer) operands to plus/minus)

PR tree-optimization/55350
* gimple-ssa-strength-reduction.c (replace_dependent): Handle
POINTER_{PLUS,MINUS}_EXPR correctly.

From-SVN: r193672

[multiple changes]

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

* config/i386/i386.md (fix_trunc<MODEF:mode><SWI48:mode>_sse): Macroize
insn from fix_trunc<mode>{si,di}_sse using SWI48 mode iterator.
(peephole2 to avoid vector decoded forms): Macroize peephole2
using MODEF mode iterator.  Use SWI48 mode iterator instead of SWI48x.

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

PR target/19398
* config/i386/i386.md
(peephole2 to shorten x87->SSE reload sequences): Remove peephole2.
* config/i386/i386.h (enum ix86_tune_indices)
<IX86_TUNE_SHORTEN_X87_SSE>: Remove.
* config/i386/i386.h (initial_ix86_tune_features): Update.

2012-11-20  Vladimir Makarov  <vmakarov@redhat.com>

PR target/19398
* lra-constraints.c (process_alt_operands): Discourage reloads
through secodnary memory.

testsuite/ChangeLog:

2012-11-20  Uros Bizjak  <ubizjak@gmail.com>

PR target/19398
* gcc.target/i386/pr19398.c: New test.

From-SVN: r193671