Remove dg-options -O2 in libgomp.c

2015-06-15  Tom de Vries  <tom@codesourcery.com>

* testsuite/libgomp.c/atomic-1.c: Remove dg-options "-O2".  Use
dg-additional-options for any remaining options.
* testsuite/libgomp.c/atomic-2.c: Same.
* testsuite/libgomp.c/atomic-4.c: Same.
* testsuite/libgomp.c/atomic-5.c: Same.
* testsuite/libgomp.c/atomic-6.c: Same.
* testsuite/libgomp.c/autopar-1.c: Same.
* testsuite/libgomp.c/copyin-1.c: Same.
* testsuite/libgomp.c/copyin-2.c: Same.
* testsuite/libgomp.c/copyin-3.c: Same.
* testsuite/libgomp.c/examples-4/e.53.5.c: Same.
* testsuite/libgomp.c/nestedfn-5.c: Same.
* testsuite/libgomp.c/parloops-exit-first-loop-alt-2.c: Same.
* testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c: Same.
* testsuite/libgomp.c/parloops-exit-first-loop-alt-4.c: Same.
* testsuite/libgomp.c/parloops-exit-first-loop-alt.c: Same.
* testsuite/libgomp.c/pr32362-1.c: Same.
* testsuite/libgomp.c/pr32362-2.c: Same.
* testsuite/libgomp.c/pr32362-3.c: Same.
* testsuite/libgomp.c/pr39591-1.c: Same.
* testsuite/libgomp.c/pr39591-2.c: Same.
* testsuite/libgomp.c/pr39591-3.c: Same.
* testsuite/libgomp.c/pr58392.c: Same.
* testsuite/libgomp.c/pr58756.c: Same.
* testsuite/libgomp.c/simd-1.c: Same.
* testsuite/libgomp.c/simd-10.c: Same.
* testsuite/libgomp.c/simd-11.c: Same.
* testsuite/libgomp.c/simd-12.c: Same.
* testsuite/libgomp.c/simd-13.c: Same.
* testsuite/libgomp.c/simd-14.c: Same.
* testsuite/libgomp.c/simd-15.c: Same.
* testsuite/libgomp.c/simd-2.c: Same.
* testsuite/libgomp.c/simd-3.c: Same.
* testsuite/libgomp.c/simd-4.c: Same.
* testsuite/libgomp.c/simd-5.c: Same.
* testsuite/libgomp.c/simd-6.c: Same.
* testsuite/libgomp.c/simd-7.c: Same.
* testsuite/libgomp.c/simd-8.c: Same.
* testsuite/libgomp.c/simd-9.c: Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224489 138bc75d-0d04-0410-961f-82ee72b054a4

Add MERGE file to track the git revision of the most recent change in
the master gofrontend repository.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224488 138bc75d-0d04-0410-961f-82ee72b054a4

compiler: Don't crash when dumping ast of empty block.

Fixes golang/go#10420.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224487 138bc75d-0d04-0410-961f-82ee72b054a4

PR debug/66535
* dwarf2out.c (gen_subprogram_die): Do not check a parent's tag if
there is no parent.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224486 138bc75d-0d04-0410-961f-82ee72b054a4

Fix typo in libgomp/testsuite/libgomp.c/pr35625.c

2015-06-15  Tom de Vries  <tom@codesourcery.com>

* testsuite/libgomp.c/pr35625.c: Fix typo.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224483 138bc75d-0d04-0410-961f-82ee72b054a4

Remove -fopenmp in dg-options in libgomp.c

2015-06-15  Tom de Vries  <tom@codesourcery.com>

* testsuite/libgomp.c/atomic-18.c: Remove superfluous -fopenmp setting
in dg-options.
* testsuite/libgomp.c/atomic-3.c: Same.
* testsuite/libgomp.c/debug-1.c: Same.
* testsuite/libgomp.c/nqueens-1.c: Same.
* testsuite/libgomp.c/pr26171.c: Same.
* testsuite/libgomp.c/pr48591.c: Same.
* testsuite/libgomp.c/pr64824.c: Same.
* testsuite/libgomp.c/pr64868.c: Same.
* testsuite/libgomp.c/pr66133.c: Same.
* testsuite/libgomp.c/pr66199-1.c: Same.
* testsuite/libgomp.c/pr66199-2.c: Same.
* testsuite/libgomp.c/target-8.c: Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224480 138bc75d-0d04-0410-961f-82ee72b054a4

Use dg-additional-options for -std={gnu99,c99}

2015-06-15  Tom de Vries  <tom@codesourcery.com>

* testsuite/libgomp.c/collapse-3.c: Use dg-additional-options for
-std={gnu99,c99}.
* testsuite/libgomp.c/for-1.c: Same.
* testsuite/libgomp.c/for-2.c: Same.
* testsuite/libgomp.c/for-3.c: Same.
* testsuite/libgomp.c/pr35625.c: Same.
* testsuite/libgomp.c/pr39154.c: Same.
* testsuite/libgomp.c/simd-16.c: Same.
* testsuite/libgomp.c/simd-17.c: Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224479 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/testsuite/ChangeLog:

2015-06-15  Andre Vehreschild  <vehre@gmx.de>

PR fortran/44672
PR fortran/45440
PR fortran/57307
* gfortran.dg/allocate_with_source_3.f90: Removed check for
unimplemented error.
* gfortran.dg/allocate_with_source_7.f08: New test.
* gfortran.dg/allocate_with_source_8.f08: New test.

gcc/fortran/ChangeLog:

2015-06-15  Andre Vehreschild  <vehre@gmx.de>

PR fortran/44672
PR fortran/45440
PR fortran/57307
* gfortran.h: Extend gfc_code.ext.alloc to carry a
flag indicating that the array specification has to be
taken from expr3.
* resolve.c (resolve_allocate_expr): Add F2008 notify
and flag indicating source driven array spec.
(resolve_allocate_deallocate): Check for source driven
array spec, when array to allocate has no explicit
array spec.
* trans-array.c (gfc_array_init_size): Get lower and
upper bound from a tree array descriptor, except when
the source expression is an array-constructor which is
fixed to be one-based.
(retrieve_last_ref): Extracted from gfc_array_allocate().
(gfc_array_allocate): Enable allocate(array, source=
array_expression) as specified by F2008:C633.
(gfc_conv_expr_descriptor): Add class tree expression
into the saved descriptor for class arrays.
* trans-array.h: Add temporary array descriptor to
gfc_array_allocate ().
* trans-expr.c (gfc_conv_procedure_call): Special handling
for _copy() routine translation, that comes without an
interface. Third and fourth argument are now passed by value.
* trans-stmt.c (gfc_trans_allocate): Get expr3 array
descriptor for temporary arrays to allow allocate(array,
source = array_expression) for array without array
specification.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224477 138bc75d-0d04-0410-961f-82ee72b054a4

[AArch64] Change %ld to %wd for HOST_WIDE_INT parameter.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224476 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224475 138bc75d-0d04-0410-961f-82ee72b054a4

PR ipa/66181
* lto.c (compare_tree_sccs_1): Do not compare TYPE_NO_FORCE_BLK.
* lto-streamer-out.c (hash_tree): Do not hash TYPE_NO_FORCE_BLK.
* tree-streamer-out.c (pack_ts_type_common_value_fields): Do not stream
TYPE_NO_FORCE_BLK.
* tree-streamer-in.c (unpack_ts_type_common_value_fields): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224471 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* rtl.h (classify_insn): Declare.
* emit-rtl.c (classify_insn): Move to...
* rtl.c: ...here and add generator support.
* gensupport.h (get_emit_function, needs_barrier_p): Declare.
* gensupport.c (get_emit_function, needs_barrier_p): New functions.
* genemit.c (gen_emit_seq): New function.
(gen_expand, gen_split): Use it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224470 138bc75d-0d04-0410-961f-82ee72b054a4

* sv.po: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224468 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-14  Richard Biener  <rguenther@suse.de>

* crontab: Disable snapshots from the 4.8 branch.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224466 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/66325
* c-decl.c (start_enum): Set TYPE_PACKED consistently among type
variants.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224463 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

* intrinsic.texi:  Change \leq to < in descrition of imaginary
part in argument to log.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224462 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224461 138bc75d-0d04-0410-961f-82ee72b054a4

Fix comment documenting make_vector_stat

* tree.c (make_vector_stat): Fix comment to state that the
function returns a VECTOR_CST.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224457 138bc75d-0d04-0410-961f-82ee72b054a4

Remove stale commentary in cp/call.c

* call.c: Remove comment documenting the long-deleted
function build_method_call.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224456 138bc75d-0d04-0410-961f-82ee72b054a4

Emit -Waddress warnings for comparing address of reference against NULL

gcc/c-family/ChangeLog:

PR c++/65168
* c-common.c (c_common_truthvalue_conversion): Warn when
converting an address of a reference to a truth value.

gcc/cp/ChangeLog:

PR c++/65168
* typeck.c (cp_build_binary_op): Warn when comparing an address
of a reference against NULL.

gcc/testsuite/ChangeLog:

PR c++/65168
g++.dg/warn/Walways-true-3.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224455 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* gensupport.h (add_implicit_parallel): Declare.
* genrecog.c (add_implicit_parallel): Move to...
* gensupport.c (add_implicit_parallel): ...here.
(process_one_cond_exec): Use it.
* genemit.c (gen_insn): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224454 138bc75d-0d04-0410-961f-82ee72b054a4

Add gcc.dg/parloops-exit-first-loop-alt-4.c

2015-06-13  Tom de Vries  <tom@codesourcery.com>

* gcc.dg/parloops-exit-first-loop-alt-4.c: New test.

* testsuite/libgomp.c/parloops-exit-first-loop-alt-4.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224453 138bc75d-0d04-0410-961f-82ee72b054a4

Update parloops-exit-first-loop-alt{,-2,-3}.c

2015-06-13  Tom de Vries  <tom@codesourcery.com>

* testsuite/libgomp.c/parloops-exit-first-loop-alt-2.c: Add comment.
* testsuite/libgomp.c/parloops-exit-first-loop-alt.c: Same.
* testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c: Add comment.
(N): Define.
(main): Use N instead of hardcoded constants.

* gcc.dg/parloops-exit-first-loop-alt-2.c: Add comment.
(main): Remove superfluous attributes.
* gcc.dg/parloops-exit-first-loop-alt-3.c: Same.
* gcc.dg/parloops-exit-first-loop-alt.c: Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224452 138bc75d-0d04-0410-961f-82ee72b054a4

gcc:
PR bootstrap/66448
* passes.c (rest_of_decl_compilation): Do not register globals for
early debug if they are declared in built-ins.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224451 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224450 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/65719
* pt.c (tsubst_decl) [VAR_DECL]: Mark namespace-scope
variables as DECL_NOT_REALLY_EXTERN.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224442 138bc75d-0d04-0410-961f-82ee72b054a4

* dwarf2out.c (check_die): Protect with ENABLE_CHECKING.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224431 138bc75d-0d04-0410-961f-82ee72b054a4

[ifcvt][obvious] Use std::swap instead of manually swapping

* ifcvt.c (noce_try_store_flag_constants): Use std::swap instead of
manually swapping.
(noce_try_cmove_arith): Likewise.
(noce_get_alt_condition): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224429 138bc75d-0d04-0410-961f-82ee72b054a4

* include/precompiled/stdc++.h: Include <codecvt> and <shared_mutex>.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224425 138bc75d-0d04-0410-961f-82ee72b054a4

Fix whitespace in changelog.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224416 138bc75d-0d04-0410-961f-82ee72b054a4

PR libstdc++/66464
* src/c++11/codecvt.cc (codecvt_utf16_base<char32_t>::do_max_length):
Return 4 not 3.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224415 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
2015-06-12  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA_MWAITX_SET): New.
        (ix86_handle_option): Handle mwaitx.
        * config.gcc (i[34567]86-*-*): Add mwaitxintrin.h,
        (x86_64-*-*): Likewise.
        * config/i386/mwaitxintrin.h: New header.
        * config/i386/cpuid.h (bit_MWAITX):  Define.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        MWAITX support.
        * config/i386/i386.opt (mwaitx): New.
        * config/i386/i386-builtin-types.def
        (VOID_FTYPE_UNSIGNED_ UNSIGNED_UNSIGNED): New function type.
        * config/i386/i386-c.c: Define __MWAITX__ if needed.
        * config/i386/i386.c (ix86_target_string): Define -mmwaitx option.
        (PTA_MWAITX): New.
        (ix86_option_override_internal): Handle new option.
        (processor_alias_table): Added PTA_MWAITX.
        (ix86_valid_target_attribute_inner_p): Add OPT_mmwaitx.
        (ix86_builtins): Add IX86_BUILTIN_MWAITX, IX86_BUILTIN_MONITORX.
        (ix86_expand_builtin): Handle IX86_BUILTIN_MWAITX and
        IX86_BUILTIN_MONITORX  built-ins.
        * config/i386/i386.h (TARGET_MWAITX): New.
        * config/i386/i386.md (unspecv): Add UNSPEC_MWAITX and
        UNSPEC_MONITORX.
        (mwaitx):  New pattern.
        (monitorx_<mode>): New pattern.
        * config/i386/x86intrin.h: Include mwaitxintrin.h.
        * doc/extend.texi: Document monitorx and mwaitx builtins.
        * doc/invoke.texi: Document -mmwaitx option.

gcc/testsuite

2015-06-12  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * gcc.target/i386/monitorx.c: New.
        * gcc.target/i386/sse-12.c: Add -mmwaitx.
        * gcc.target/i386/sse-13.c: Ditto.
        * gcc.target/i386/sse-14.c: Ditto.
        * gcc.target/i386/sse-22.c: Ditto.
        * gcc.target/i386/sse-23.c: Ditto.
        * g++.dg/other/i386-2.C: Ditto.
        * g++.dg/other/i386-3.C: Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224414 138bc75d-0d04-0410-961f-82ee72b054a4

Use atomics in guard.cc / remove special casing in targets.

The PowerPC, AIX, Alpha, IA64  implementations of atomic_word.h are in no
way different from what can be achieved with the generic rewrite in
Patch 1 of this series - delete these.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/cpu/alpha/atomic_word.h: Remove.
        * config/cpu/ia64/atomic_word.h: Remove.
        * config/cpu/powerpc/atomic_word.h: Remove.
        * config/os/aix/atomic_word.h: Remove.
        * configure.host (atomic_word_dir) [ia64, aix*, powerpc, alpha]:
        Use generic definition.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224413 138bc75d-0d04-0410-961f-82ee72b054a4

Use atomics in guard.cc / remove special casing in targets.

The PowerPC, AIX, Alpha, IA64  implementations of atomic_word.h are in no
way different from what can be achieved with the generic rewrite in
Patch 1 of this series - delete these.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/cpu/alpha/atomic_word.h: Remove.
        * config/cpu/ia64/atomic_word.h: Remove.
        * config/cpu/powerpc/atomic_word.h: Remove.
        * config/os/aix/atomic_word.h: Remove.
        * configure.host (atomic_word_dir) [ia64, aix*, powerpc, alpha]:
        Use generic definition.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224412 138bc75d-0d04-0410-961f-82ee72b054a4

Use atomics in guard.cc.

This provides proper definitions for _GLIBCXX_READ_MEM_BARRIER and
_GLIBCXX_WRITE_MEM_BARRIER, rewrites the guards in terms of proper
atomic extensions and removes internal uses of
_GLIBCXX_READ_MEM_BARRIER and _GLIBCXX_WRITE_MEM_BARRIER and replaces
them with equivalent atomics.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

PR target/66200
PR c++/66192
* * config/cpu/generic/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER): Define
        (_GLIBCXX_WRITE_MEM_BARRIER): Likewise
        * include/bits/shared_ptr_base.h: Use ACQ_REL barrier.
        * include/ext/atomicity.h: Likewise.
        * include/tr1/shared_ptr.h: Likewise.
        * libsupc++/guard.cc (__test_and_acquire): Rewrite with atomics.
        Update comment.
        (__set_and_release): Likewise.
        * testsuite/20_util/shared_ptr/cons/43820_neg.cc (test01): Adjust for
line numbers.
        * testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
        * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224411 138bc75d-0d04-0410-961f-82ee72b054a4

* emit-rtl.c (need_atomic_barrier_p): Mask model with
MEMMODEL_BASE_MASK.  Remove MEMMODEL_SYNC_* cases.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224410 138bc75d-0d04-0410-961f-82ee72b054a4

* lto-lang.c (lto_type_for_size): Include intN types.
(lto_type_for_mode): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224408 138bc75d-0d04-0410-961f-82ee72b054a4

* dbxout.c (xcoff_debug_hooks): Provide a function for
register_main_translation_unit hook.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224407 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224406 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-11  Martin Sebor  <msebor@redhat.com>

PR sanitizer/65479
* dwarf.c (struct line): Add new field idx.
(line_compare): Use it.
(add_line): Set it.
(read_line_info): Reset it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224402 138bc75d-0d04-0410-961f-82ee72b054a4

   * config/rs6000/rs6000.c (rs6000_pre_atomic_barrier): Remove SYNC
        variants cases from switch.
        (rs6000_post_atomic_barrier): Same.
        (rs6000_expand_atomic_compare_and_swap): Use memmodel_base.
        (rs6000_expand_atomic_exchange): Same.
        (rs6000_expand_atomic_op): Same.
        * config/rs6000/sync.md (mem_thread_fence): Use memodel_base. Remove
        SYNC variants cases from switch.
        (atomic_load): Same.
        (atomic_store): Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224401 138bc75d-0d04-0410-961f-82ee72b054a4

* include/std/tuple (__is_tuple_like_impl): Disambiguate array in
debug and profile modes.
* testsuite/25_algorithms/headers/algorithm/synopsis.cc: Adjust tests
for swap in C++11 and later.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224397 138bc75d-0d04-0410-961f-82ee72b054a4

* config/pa/pa.c (pa_output_global_address): Handle LABEL_REF plus
CONST_INT for goto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224396 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-11  Steve Ellcey  <sellcey@imgtec.com>

* gcc.dg/tree-prof/stringop-2.c: Fix ifdef __mips.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224394 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/66448
* dwarf2out.c (check_die): Check for common duplicate attributes.
(add_location_or_const_value_attribute): Do not add duplicate
attributes.
(gen_formal_parameter_die): Do not add DW_AT_artificial the second
time around.
(gen_struct_or_union_type_die): Bail early if TREE_ASM_WRITTEN.
(gen_type_die_with_usage): Call check_die.
(dwarf2out_decl): Only call check_die() when ENABLE_CHECKING.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224393 138bc75d-0d04-0410-961f-82ee72b054a4

* dwarf2out.c (prune_unused_types): Handle unused top-level limbo
dies.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224391 138bc75d-0d04-0410-961f-82ee72b054a4

* match.pd ((x & y) ^ (x | y)): Don't check for single_use.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224390 138bc75d-0d04-0410-961f-82ee72b054a4

Fix misplaced ChangeLog entries

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224387 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/66252
* config/sparc/sparc.c (hard_regno_mode_classes): Add ??? comment.
* config/sparc/sparc.md (zero_extendsidi2_insn_sp32): Use single order.
(*addx_extend_sp32): Fix pasto.
(*subx_extend): Rename into...
(*subx_extend_sp32): ...this.
(*adddi3_extend_sp32): Add earlyclobber.
(*subdi3_insn_sp32): Likewise.
(*subdi3_extend_sp32): Likewise.
(*and_not_di_sp32): Likewise.
(*or_not_di_sp32): Likewise.
(*xor_not_di_sp32): Likewise.
(*negdi2_sp32): Likewise.
(*one_cmpldi2_sp32): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224384 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-11  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/66079
* trans-expr.c (gfc_conv_procedure_call): Allocatable scalar
function results must be freed and nullified after use. Create
a temporary to hold the result to prevent duplicate calls.
* trans-stmt.c (gfc_trans_allocate): Rename temporary variable
as 'source'. Deallocate allocatable components of non-variable
'source's.

2015-06-11  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/66079
* gfortran.dg/allocatable_scalar_13.f90: New test

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224383 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/66445
* constexpr.c (potential_constant_expression_1): Handle a
DECL_EXPR of TYPE_DECL.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224382 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/66450
* constexpr.c (cxx_eval_store_expression): Avoid messing up outer
ctx->ctor.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224381 138bc75d-0d04-0410-961f-82ee72b054a4

Restore DW_AT_abstract_origin for cross-unit call sites

PR debug/66503

gcc/ChangeLog:
* debug.h (struct gcc_debug_hooks): Add a
register_main_translation_unit hook.
* debug.c (do_nothing_debug_hooks): Provide a function for this
new hook.
* dbxout.c (dbx_debug_hooks): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
* dwarf2out.c (main_translation_unit): New global variable.
(dwarf2out_register_main_translation_unit): New function
implementing the new hook.
(dwarf2_debug_hooks): Assign
dwarf2out_register_main_translation_unit to this new hook.
(dwarf2out_init): Associate any main translation unit to
comp_unit_die ().
* c/c-decl.c (pop_scope): Register the main translation unit
through the new debug hook.
* cp/decl.c (cxx_init_decl_processing): Likewise.

gcc/ada/ChangeLog:
* gcc-interface/utils.c (get_global_context): Register the main
translation unit through the new debug hook.

gcc/fortran/ChangeLog:
* f95-lang.c (gfc_create_decls): Register the main translation
unit through the new debug hook.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224371 138bc75d-0d04-0410-961f-82ee72b054a4

* match.pd ((x & y) ^ (x | y) -> x ^ y): New pattern.

* gcc.dg/fold-xor-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224370 138bc75d-0d04-0410-961f-82ee72b054a4

* match.pd: Use single_use throughout.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224368 138bc75d-0d04-0410-961f-82ee72b054a4

[ARM] Restrict MAX_CONDITIONAL_EXECUTE when -mrestrict-it is in place

* config/arm/arm.c (arm_option_params_internal): When optimising
for speed set max_insns_skipped when arm_restrict_it.

* gcc.target/arm/short-it-ifcvt-1.c: New test.
* gcc.target/arm/short-it-ifcvt-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224367 138bc75d-0d04-0410-961f-82ee72b054a4

s/recogniwed/recognized

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224366 138bc75d-0d04-0410-961f-82ee72b054a4

Add ARM/thumb pragma target

PR target/52144
* config/arm/arm-c.c (arm_cpu_cpp_builtins): Conditionally define
 macros in ...
(arm_cpu_builtins): New function.
(arm_pragma_target_parse): Call arm_cpu_builtins.
* config/arm/arm-protos.h (arm_cpu_builtins): Declare.
(arm_register_target_pragmas): Likewise.
* config/arm/arm.h (REGISTER_TARGET_PRAGMAS):
 Call arm_register_target_pragmas.
* config/arm/arm-c.c (arm_register_target_pragmas): New function.
(arm_pragma_target_parse): Likewise.

PR target/52144
* gcc.target/arm/pragma_attribute.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224365 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224363 138bc75d-0d04-0410-961f-82ee72b054a4

* config/sh/sh.md (tstsi_t): Add '?' modifier to 'r' alternative of
  the 2nd operand to fix failures for gcc.target/sh/pr49263-2.c with -mlra.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224349 138bc75d-0d04-0410-961f-82ee72b054a4

* g++.dg/abi/mangle-regparm.C (dg-optiond): Add -save-temps.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224341 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/66473
* config/i386/i386.c (ix86_expand_vector_set): Use gen_int_mode
to prepare mask operand for AVX512 modes.

testsuite/ChangeLog:

PR target/66473
* gcc.target/i386/pr66473.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224340 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/66474
* doc/md.texi (Machine Constraints): Document that on the PowerPC
if you use a constraint that targets a VSX register, you must use
%x<n> in the template.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224332 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/66289
* cp-tree.h (TEMPLATE_DECL_COMPLEX_ALIAS_P): New.
* pt.c (push_template_decl_real): Set it.
(dependent_alias_template_spec_p): Use it.
(dependent_type_p_r): Use dependent_alias_template_spec_p.
(uses_all_template_parms_data, uses_all_template_parms_r)
(complex_alias_template_p): New.
(get_template_parm_index): Handle BOUND_TEMPLATE_TEMPLATE_PARM.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224331 138bc75d-0d04-0410-961f-82ee72b054a4

xtensa: implement trap pattern

2015-06-10  Max Filippov  <jcmvbkbc@gmail.com>
gcc/
* config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
* config/xtensa/xtensa.md (define_attr "type"): New type "trap".
(define_insn "trap"): New definition.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224330 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-10  Richard Biener  <rguenther@suse.de>

* tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Split
out from ...
(vect_supported_load_permutation_p): ... here.  Handle
supportable permutations in reductions.
* tree-vect-stmts.c (vectorizable_load): Handle SLP permutations
for vectorizing strided group loads.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224324 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/66470
* config/i386/i386.c (ix86_split_long_move): For collisions
involving direct tls segment refs, move the UNSPEC_TP possibly
wrapped in ZERO_EXTEND out of the address for lea, to each of
the memory loads.

* gcc.dg/tls/pr66470.c: New test.
* gcc.target/i386/pr66470.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224319 138bc75d-0d04-0410-961f-82ee72b054a4

Use dmb ish instead of dmb sy for ARM.

2015-06-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

* config/arm/sync.md (*memory_barrier): Use dmb ish instead of
dmb sy. Adjust tabs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224317 138bc75d-0d04-0410-961f-82ee72b054a4

Fix build for ENABLE_OFFLOADING in expand_omp_target

2015-06-10  Tom de Vries  <tom@codesourcery.com>

* omp-low.c (expand_omp_target): Remove duplicate declaration of node.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224316 138bc75d-0d04-0410-961f-82ee72b054a4

Fix BITMAP identifier clash.

PR bootstrap/66471
* mem-stats-traits.h (enum mem_alloc_origin): Add _ORIGIN suffix for
all enum values in mem_alloc_origin.
* alloc-pool.c (dump_alloc_pool_statistics): Use newly changed enum
name.
* alloc-pool.h (pool_allocator::pool_allocator): Likewise.
* bitmap.c (bitmap_register): Likewise.
(dump_bitmap_statistics): Likewise.
* ggc-common.c (dump_ggc_loc_statistics): Likewise.
(ggc_record_overhead): Likewise.
* hash-map.h: Likewise.
* hash-set.h: Likewise.
* hash-table.c (void dump_hash_table_loc_statistics): Likewise.
* hash-table.h: Likewise.
* vec.c (vec_prefix::register_overhead): Likewise.
(vec_prefix::release_overhead): Likewise.
(dump_vec_loc_statistics): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224315 138bc75d-0d04-0410-961f-82ee72b054a4

Add ARM/thumb attribute target

PR target/52144

* config/arm/arm.opt (THUMB, arm_restrict_it, inline_asm_unified): Save.
* config/arm/arm-protos.h (arm_valid_target_attribute_tree): Declare.
(arm_reset_previous_fndecl, arm_change_mode_p): Likewise.
* config/arm/arm.h (SWITCHABLE_TARGET): Define.
* config/arm/arm.c (arm_reset_previous_fndecl): New functions.
(arm_valid_target_attribute_tree, arm_change_mode_p): Likewise.
(arm_valid_target_attribute_p): Likewise.
(arm_set_current_function, arm_can_inline_p): Likewise.
(arm_valid_target_attribute_rec): Likewise.
(arm_previous_fndecl): New variable.
(TARGET_SET_CURRENT_FUNCTION, TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
(TARGET_CAN_INLINE_P): Define.
(arm_asm_trampoline_template): Emit mode.
(arm_file_start): Don't set unified syntax.
(arm_declare_function_name): Set unified syntax and mode.
(arm_option_override): Init target_option_default_node.
and target_option_current_node.
* config/arm/arm.md (*call_value_symbol): Set mode when possible.
(*call_symbol): Likewise.
* doc/extend.texi: Document ARM/Thumb target attribute.
* doc/invoke.texi: Likewise.

* gcc.target/arm/attr_arm.c: New test
* gcc.target/arm/attr_arm-err.c: New test
* gcc.target/arm/attr_thumb.c: New test
* gcc.target/arm/attr_thumb-static.c: New test

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224314 138bc75d-0d04-0410-961f-82ee72b054a4

Handle aarch64_guard1.C test

Sorry about missing this hunk in the original submission, was in my tree but I hadn't spotted this as I was playing between the original AArch64 TARGET_RELAXED_ORDER and this patch.

Applied as obvious.

2015-06-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

PR target/66200
PR target/66428
PR c++/66192
* g++.dg/abi/aarch64_guard1.C: Adjust test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224313 138bc75d-0d04-0410-961f-82ee72b054a4

[Patch testsuite obvious] gcc.target/arm/pr65710.c should not unconditionally set -mfloat-abi=soft

gcc/testsuite/

* gcc.target/arm/pr65710.c: Do not override -mfloat-abi directives
passed by the testsuite driver.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224312 138bc75d-0d04-0410-961f-82ee72b054a4

Revert "[PR64164] Drop copyrename, use coalescible partition as base when optimizing."

This reverts commit c66acc7cedd89bfd22124caec44b8427c9082dac.

Conflicts:
gcc/ChangeLog
gcc/testsuite/ChangeLog

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224310 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224309 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Matthias Klose  <doko@ubuntu.com>

        * Make-lang.in (jit.install-common): Install headers using INSTALL_DATA.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224305 138bc75d-0d04-0410-961f-82ee72b054a4

Mark offloaded functions as parallelized

2015-06-09  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/65460
* omp-low.c (expand_omp_target): Set parallelized_function on
cgraph_node for child_fn.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224303 138bc75d-0d04-0410-961f-82ee72b054a4

Mark function parallelized_function before add_new_function

2015-06-09  Tom de Vries  <tom@codesourcery.com>

* omp-low.c (finalize_task_copyfn, expand_omp_taskreg): Mark function
parallelized_function before add_new_function.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224302 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-plugin.h: Move decls to plugin.h and include it.
* plugin.h: Relocate decls from gcc-plugin.h
* ggc-page.c: Include required header files.
* passes.c: Likewise.
* cgraphunit.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224293 138bc75d-0d04-0410-961f-82ee72b054a4

DR 1467
PR c++/51747
* typeck2.c (digest_init_r): Replace previous change with
gcc_unreachable.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224289 138bc75d-0d04-0410-961f-82ee72b054a4

Handle location in expand_ifn_va_arg_1

2015-06-09  Tom de Vries  <tom@codesourcery.com>

* tree-stdarg.c (expand_ifn_va_arg_1): Handle location.

* gcc.target/i386/vararg-loc.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224288 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/66387
* semantics.c (process_outer_var_ref): Make sure the value is
actually constant before returning it.
* typeck.c (cp_build_array_ref): Allow subscripting non-lvalue
array.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224287 138bc75d-0d04-0410-961f-82ee72b054a4

/cp
2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/65815
* typeck2.c (digest_nsdmi_init): On aggregates use reshape_init.
* init.c (expand_default_init): Likewise.

/testsuite
2015-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/65815
* g++.dg/cpp0x/nsdmi-aggr1.C: New.
* g++.dg/cpp0x/mem-init-aggr1.C: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224286 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/66448
* toplev.c (check_global_declaration): Don't warn about a clone.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224285 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/66299
* match.pd ((CST1 << A) == CST2 -> A == ctz (CST2) - ctz (CST1)
((CST1 << A) != CST2 -> A != ctz (CST2) - ctz (CST1)): New
patterns.

* gcc.dg/pr66299-1.c: New test.
* gcc.dg/pr66299-2.c: New test.
* gcc.dg/pr66299-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224283 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/66383
* tree.c (replace_placeholders_r): Handle placeholders for an
outer object.
* typeck2.c (store_init_value): Only replace_placeholders for
objects of class type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224282 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

* tree-vect-slp.c (vect_build_slp_tree_1): Remove bailout on gaps.
(vect_analyze_slp_instance): Instead do not falsely drop
load permutations.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224281 138bc75d-0d04-0410-961f-82ee72b054a4

[Patch testsuite obvious] g++.dg/ext/pr57735.C should not run if the
 testsuite is explicitly passing -mfloat-abi=hard

gcc/testsuite/

2015-06-09  James Greenhalgh  <james.greenhalgh@arm.com>

* g++.dg/ext/pr57735.C: Do not override -mfloat-abi directives
passed by the testsuite driver.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224280 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

PR middle-end/66423
* match.pd: Handle A % (unsigned)(1 << B).

* gcc.dg/fold-modpow2.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224279 138bc75d-0d04-0410-961f-82ee72b054a4

* varasm.c (output_object_block_htab): Remove.
(output_object_block_compare): New.
(output_object_blocks): Sort named object_blocks before outputting
them.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224274 138bc75d-0d04-0410-961f-82ee72b054a4

PR libstdc++/66030
* config/abi/pre/gnu.ver: Export codecvt_byname and codecvt symbols
for mingw32.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224273 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc-interface/misc.c: Remove duplicate include directives.
* gcc-interface/trans.c: Likewise.
* gcc-interface/utils.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224272 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66419
* tree-vect-slp.c (vect_supported_load_permutation_p): Properly
consider GROUP_GAP when detecting a perfect subchain.

* gcc.dg/vect/bb-slp-37.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224271 138bc75d-0d04-0410-961f-82ee72b054a4

* config/rl78/rl78.c (rl78_select_section): When -mes0 is active
place read only data in the .frodata section.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224270 138bc75d-0d04-0410-961f-82ee72b054a4

[GCC, ARM] armv8 linux toolchain asan testcase fail due to stl missing conditional code

On behalf of Shiva Chen

2015-06-09  Shiva Chen  <shiva0217@gmail.com>

* sync.md (atomic_load<mode>): Add conditional code for lda/ldr
(atomic_store<mode>): Likewise.

2015-06-09  Shiva Chen  <shiva0217@gmail.com>

* gcc.target/arm/stl-cond.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224269 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

* cfgloop.c (get_loop_body_in_bfs_order): Fix assert.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224268 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

PR middle-end/66413
* tree-inline.c (insert_init_debug_bind): Unshare value.

* gcc.dg/torture/pr66413.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224267 138bc75d-0d04-0410-961f-82ee72b054a4

2015-06-09  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66396
* graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl):
Rename virtual operands.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224266 138bc75d-0d04-0410-961f-82ee72b054a4

Fix gimple_seq_nondebug_singleton_p

2015-06-09  Tom de Vries  <tom@codesourcery.com>

* gimple-iterator.h (gimple_seq_nondebug_singleton_p): Don't
always return false.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224263 138bc75d-0d04-0410-961f-82ee72b054a4

[PR64164] Drop copyrename, use coalescible partition as base when optimizing.

for  gcc/ChangeLog

PR rtl-optimization/64164
* Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
* tree-ssa-copyrename.c: Removed.
* opts.c (default_options_table): Drop -ftree-copyrename.  Add
-ftree-coalesce-vars.
* passes.def: Drop all occurrences of pass_rename_ssa_copies.
* common.opt (ftree-copyrename): Ignore.
(ftree-coalesce-inlined-vars): Likewise.
* doc/invoke.texi: Remove the ignored options above.
* gimple-expr.h (gimple_can_coalesce_p): Move declaration
* tree-ssa-coalesce.h: ... here.
* tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
headers required by it.
* gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
across variables when flag_tree_coalesce_vars.  Check register
use and promoted modes to allow coalescing.  Moved to
tree-ssa-coalesce.c.
* tree-ssa-live.c (struct tree_int_map_hasher): Move along
with its member functions to tree-ssa-coalesce.c.
(var_map_base_init): Likewise.  Renamed to
compute_samebase_partition_bases.
(partition_view_normal): Drop want_bases parameter.
(partition_view_bitmap): Likewise.
* tree-ssa-live.h: Adjust declarations.
* tree-ssa-coalesce.c: Include explow.h.
(build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
default defs at the entry point.
(dump_part_var_map): New.
(compute_optimized_partition_bases): New, called by...
(coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
of compute_samebase_partition_bases.  Adjust.
* alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
* cfgexpand.c (leader_merge): New.
(get_rtl_for_parm_ssa_default_def): New.
(set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
vars.  Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
(expand_one_stack_var_at): Handle anonymous SSA_NAMEs.  Drop
redundant MEM attr setting.
(expand_one_stack_var_1): Handle anonymous SSA_NAMEs.  Renamed
from...
(expand_one_stack_var): ... this.  New wrapper to check and
skip already expanded SSA partitions.
(record_alignment_for_reg_var): New, factored out of...
(expand_one_var): ... this.
(expand_one_ssa_partition): New.
(adjust_one_expanded_partition_var): New.
(expand_one_register_var): Check and skip already expanded SSA
partitions.
(expand_used_vars): Don't create DECLs for anonymous SSA
names.  Expand all SSA partitions, then adjust all SSA names.
(pass::execute): Replace the loops that set
SA.partition_to_pseudo from partition leaders and cleared
DECL_RTL for multi-location variables, and that which used to
rename vars and set attrs, with one that clears DECL_RTL and
checks that PARMs and RESULTs default_defs match DECL_RTL.
* cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
* emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
* explow.c (promote_ssa_mode): New.
* explow.h (promote_ssa_mode): Declare.
* expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
* function.c: Include cfgexpand.h.
(use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
(use_register_for_parm_decl): Wrapper for the above to
special-case the result_ptr.
(rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
(maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
multiple locations.
(assign_parm_adjust_stack_rtl): Add all and parm arguments,
for rtl_for_parm.  For SSA-assigned parms, zero stack_parm.
(assign_parm_setup_block): Prefer SSA-assigned location.
(assign_parm_setup_reg): Likewise.  Use entry_parm for equiv
if stack_parm is NULL.
(assign_parm_setup_stack): Prefer SSA-assigned location.
(assign_parms): Maybe reset DECL_RTL of params.  Adjust stack
rtl before testing for pointer bounds.  Special-case result_ptr.
(expand_function_start): Maybe reset DECL_RTL of result.
Prefer SSA-assigned location for result and static chain.
Factor out DECL_RESULT and SET_DECL_RTL.
* tree-outof-ssa.c (insert_value_copy_on_edge): Handle
anonymous SSA names.  Use promote_ssa_mode.
(get_temp_reg): Likewise.
(remove_ssa_form): Adjust.
* var-tracking.c (dataflow_set_clear_at_call): Take call_insn
and get its reg_usage for reg invalidation.
(compute_bb_dataflow): Pass it insn.
(emit_notes_in_bb): Likewise.
* tree-ssa-loop-niter.c (loop_exits_before_overflow): Don't
fail assert on conversion between unsigned types.

for  gcc/testsuite/ChangeLog

* gcc.dg/guality/pr54200.c: Add -fno-tree-coalesce-vars.
* gcc.dg/ssp-1.c: Make counter a register.
* gcc.dg/ssp-2.c: Likewise.
* gcc.dg/torture/parm-coalesce.c: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224262 138bc75d-0d04-0410-961f-82ee72b054a4