2013-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/55270
* tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
the CFG, schedule loops for fixup.
* gcc.dg/torture/pr55270.c: New testcase.
From-SVN: r195533
PR libstdc++/56112
* include/bits/hashtable_policy.h (insert(_Pair&&)): Use _M_emplace
to construct value_type explicitly before trying to extract the key.
* testsuite/23_containers/unordered_map/cons/56112.cc: New.
From-SVN: r195520
2013-01-28 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h (_Local_iterator_base): Use
_Hashtable_ebo_helper to embed functors into the local_iterator
when necessary. Pass information about functors involved in hash
code by copy.
* include/bits/hashtable.h (__cache_default): Do not cache for
builtin integral types unless the hash functor is not noexcept
qualified or is not default constructible. Adapt static assertions
and local iterator instantiations.
* include/debug/unordered_set
(std::__debug::unordered_set<>::erase): Detect local iterators to
invalidate using contained node rather than generating a dummy
local_iterator instance.
(std::__debug::unordered_multiset<>::erase): Likewise.
* include/debug/unordered_map
(std::__debug::unordered_map<>::erase): Likewise.
(std::__debug::unordered_multimap<>::erase): Likewise.
* testsuite/performance/23_containers/insert_erase/41975.cc: Test
std::tr1 and std versions of unordered_set regardless of any
macro. Add test on default cache behavior.
* testsuite/performance/23_containers/insert/54075.cc: Likewise.
* testsuite/23_containers/unordered_set/instantiation_neg.cc:
Adapt line number.
* testsuite/23_containers/unordered_set/
not_default_constructible_hash_neg.cc: New.
* testsuite/23_containers/unordered_set/buckets/swap.cc: New.
From-SVN: r195517
* config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
* config/i386/i386.h (TARGET_RDOS): New macro.
(DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
* config/i386/i386.c (ix86_option_override_internal): For 64bit
TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
* config/i386/i386.opt (mlarge-data-threshold): Initialize to
DEFAULT_LARGE_SECTION_THRESHOLD.
* config/i386/i386.md (R14_REG, R15_REG): New constants.
* config/i386/rdos.h: New file.
* config/i386/rdos64.h: New file.
From-SVN: r195516
PR rtl-optimization/56117
* sched-deps.c (sched_analyze_2) <case PREFETCH>: For use_cselib
call cselib_lookup_from_insn on the MEM before calling
add_insn_mem_dependence.
* gcc.dg/pr56117.c: New test.
From-SVN: r195513
2013-01-28 Richard Biener <rguenther@suse.de>
* tree-inline.c (remap_gimple_stmt): Do not assing a BLOCK
to a stmt that didn't have one.
(copy_phis_for_bb): Likewise for PHI arguments.
(copy_debug_stmt): Likewise for debug stmts.
From-SVN: r195509
2013-01-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/56034
* tree-loop-distribution.c (enum partition_kind): Add
PKIND_REDUCTION.
(partition_builtin_p): Adjust.
(generate_code_for_partition): Handle PKIND_REDUCTION. Assert
it is the last partition.
(rdg_flag_uses): Check SSA_NAME_IS_DEFAULT_DEF before looking
up the vertex for the definition.
(classify_partition): Classify whether a partition is a
PKIND_REDUCTION, thus has uses outside of the loop.
(ldist_gen): Inherit PKIND_REDUCTION when merging partitions.
Merge all PKIND_REDUCTION partitions into the last partition.
(tree_loop_distribution): Seed partitions from reductions as well.
* gcc.dg/torture/pr56034.c: New testcase.
From-SVN: r195508
PR tree-optimization/56125
* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
pow(x,c) into sqrt(x) * powi(x, n/2) or
1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
optimizing for size.
Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
integer.
* gcc.dg/pr56125.c: New test.
From-SVN: r195507
PR testsuite/56053
* c-c++-common/asan/heap-overflow-1.c: Don't include stdlib.h and
string.h. Provide memset, malloc and free prototypes, adjust line
numbers in dg-output.
* c-c++-common/asan/stack-overflow-1.c: Don't include string.h.
Provide memset prototype and adjust line numbers in dg-output.
* c-c++-common/asan/global-overflow-1.c: Likewise.
From-SVN: r195505
PR tree-optimization/56094
* gimplify.c (force_gimple_operand_1): Temporarily set input_location
to UNKNOWN_LOCATION while gimplifying expr.
* gcc.dg/pr56094.c: New test.
From-SVN: r195504
2013-01-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/55789
PR fortran/56047
* gfortran.h : Add associate_var to symbol_attr.
* resolve.c (resolve_assoc_var): Set associate_var attribute.
If the target class_ok is set, set it for the associate
variable.
* check.c (allocatable_check): Associate variables should not
have the allocatable attribute even if their symbols do.
* class.c (gfc_build_class_symbol): Symbols with associate_var
set will always have a good class container.
2013-01-27 Paul Thomas <pault@gcc.gnu.org>
PR fortran/55789
* gfortran.dg/associate_14.f90: New test.
PR fortran/56047
* gfortran.dg/associate_13.f90: New test.
From-SVN: r195492
gcc: PR target/54663
* config.gcc (microblaze*-linux*): Add tmake_file to allow building
of microblaze-c.o.
libgcc:
* config.host(microblaze*-linux*): tmake_file: Remove
t-slibgcc-nolc-override, add t-slibgcc-libgcc.
* config/microblaze/t-microblaze: Set LIB2FUNCS_EXCLUDE
to exclude functions from being built with libgcc.c and use
the microblaze assembly.
From-SVN: r195488
PR tree-optimization/56098
* tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
for stmts with volatile ops.
(cond_store_replacement): Don't optimize if assign has volatile ops.
(cond_if_else_store_replacement_1): Don't optimize if either
then_assign or else_assign have volatile ops.
(hoist_adjacent_loads): Don't optimize if either def1 or def2 have
volatile ops.
* gcc.dg/pr56098-1.c: New test.
* gcc.dg/pr56098-2.c: New test.
From-SVN: r195475
2013-01-25 Tejas Belagod <tejas.belagod@arm.com>
* config/aarch64/aarch64-simd-builtins.def: Separate sq<r>dmulh_lane
entries into lane and laneq entries.
* config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_lane<mode>): Remove
AdvSIMD scalar modes.
(aarch64_sq<r>dmulh_laneq<mode>): New.
(aarch64_sq<r>dmulh_lane<mode>): New RTL pattern for Scalar AdvSIMD
modes.
* config/aarch64/arm_neon.h: Fix all the vq<r>dmulh_lane* intrinsics'
builtin implementations to relfect changes in RTL in aarch64-simd.md.
* config/aarch64/iterators.md (VCOND): New.
(VCONQ): New.
From-SVN: r195467
