PR tree-optimization/64058
* tree-ssa-coalesce.c (struct coalesce_pair): Add new field
CONFLICT_COUNT.
(struct ssa_conflicts): Move up earlier in the file.
(conflicts_, var_map_): New static variables.
(initialize_conflict_count): New function to initialize the
CONFLICT_COUNT field for each conflict pair.
(compare_pairs): Lazily initialize the conflict count and use it
as the first tie-breaker.
(sort_coalesce_list): Add new arguments conflicts, map. Initialize
and wipe conflicts_ and map_ around the call to qsort. Remove
special case for 2 coalesce pairs.
* bitmap.c (bitmap_count_unique_bits): New function.
(bitmap_count_bits_in_word): New function, extracted from
bitmap_count_bits.
(bitmap_count_bits): Use bitmap_count_bits_in_word.
* bitmap.h (bitmap_count_unique_bits): Declare it.
From-SVN: r234425
PR tree-optimization/70354
* tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
oprnd0 is wider than oprnd1 and there is a cast from the wider
type to oprnd1, mask it with the mask of the narrower type.
* gcc.dg/vect/pr70354-1.c: New test.
* gcc.dg/vect/pr70354-2.c: New test.
* gcc.target/i386/avx2-pr70354-1.c: New test.
* gcc.target/i386/avx2-pr70354-2.c: New test.
From-SVN: r234417
PR target/70321
* config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
Optimize TARGET_STV splitters, if high or low word of last argument
is 0 or -1.
From-SVN: r234416
2016-03-23 Bernd Edlinger <bernd.edlinger@hotmail.de>
* include/Makefile.am (install-freestanding-headers): Add
concept_check.h and move.h to the installed headers.
* include/Makefile.in: Regenerated.
* include/bits/concept_check.h: Ignore _GLIBCXX_CONCEPT_CHECKS for
freestanding implementations.
* doc/xml/manual/using.xml (_GLIBCXX_CONCEPT_CHECKS): Mention
that this macro has no effect for freestanding implementations.
* doc/html/manual/using_macros.html: Likewise.
From-SVN: r234414
2016-03-22 Michael Meissner <meissner@linux.vnet.ibm.com>
PR libgcc/70363
* config/rs6000/extendkftf2-sw.c (__extendkftf2_sw): If libgcc was
built with an assembler that does not support ISA 3.0
instructions, rename __extendkftf2_sw to __extendkftf2.
From-SVN: r234408
2016-03-22 Richard Biener <rguenther@suse.de>
PR middle-end/70251
* genmatch.c (gen_transform): Adjust last parameter to a three-state
int...
(capture::gen_transform): ... to change behavior when substituting
a condition into cond or not-cond expr context.
(dt_simplify::gen_1): Adjust.
* gimple-match-head.c: Include gimplify.h for unshare_expr.
* match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
last change and instead change to
A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
(A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
* g++.dg/torture/pr70251.C: New testcase.
From-SVN: r234405
gcc/c-family/ChangeLog:
PR c/69993
* c-indentation.c (warn_for_misleading_indentation): Rewrite the
diagnostic text, reversing the order of the warning and note so
that they appear in source order.
gcc/testsuite/ChangeLog:
PR c/69993
* c-c++-common/Wmisleading-indentation-3.c: New test, based on
Wmisleading-indentation.c.
* c-c++-common/Wmisleading-indentation.c: Update thoughout to
reflect change to diagnostic text and order of messages.
* gcc.dg/plugin/location-overflow-test-2.c: Likewise.
From-SVN: r234403
gcc/cp/
PR target/70290
* call.c (build_conditional_expr_1): Always use original
condition type for vector type checks and build.
gcc/testsuite/
PR target/70290
* g++.dg/ext/pr70290.C: New test.
From-SVN: r234399
PR target/70325
gcc/
* config/i386/i386.c (def_builtin): Handle
OPTION_MASK_ISA_AVX512VL to be and-ed with other
bits.
(const struct builtin_description bdesc_special_args[]):
Remove duplicate ISA bits.
gcc/testsuite/
* gcc.target/i386/pr70325.c: New test.
From-SVN: r234395
PR target/70329
* config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
d.perm[i] for i >= d.nelt. If not full_interleave, compute d.perm[i]
in a way that works also for AVX512BW.
* gcc.target/i386/avx512bw-pr70329-1.c: New test.
* gcc.target/i386/avx512bw-pr70329-2.c: New test.
From-SVN: r234394
PR target/70300
* config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
instead of source if operands[1] is xmm16 and above and
!TARGET_AVX512VL. Use avx512f_vec_dupv16sf_1 instead of
vec_interleave_lowv4sf if we need to unpack xmm16 and above.
* gcc.target/i386/pr70300.c: New test.
From-SVN: r234393
PR c++/70295
* gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
on assign if (*from_p) is a comparison, set it to
TREE_NO_WARNING (*from_p).
* c-c++-common/nonnull-1.c (func): Remove parens around cp4 != 0.
(func2): New function for cond with parens, xfail warning for c++.
* g++.dg/warn/Wnonnull-compare-8.C: New test.
From-SVN: r234392
gcc/cp/ChangeLog:
PR c++/70096
* pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
gcc/testsuite/ChangeLog:
PR c++/70096
* g++.dg/template/ptrmem30.C: New test.
From-SVN: r234391
PR target/70296
* include/cpplib.h (cpp_fun_like_macro_p): New prototype.
* macro.c (cpp_fun_like_macro_p): New function.
* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
function-like macro, peek following token(s) if it is followed
by CPP_OPEN_PAREN token with optional padding in between, and
if not, don't treat it like a macro.
* gcc.target/powerpc/altivec-36.c: New test.
From-SVN: r234371
2016-03-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/70310
* tree-vect-generic.c (expand_vector_condition): Fold the built
condition.
* gcc.dg/torture/pr70310.c: New testcase.
From-SVN: r234369
PR target/70293
gcc/
* config/i386 (define_insn "*vec_dup<mode>"/AVX2): Block
third alternative for AVX-512VL target,
gcc/testsuite/
* gcc.target/i386/pr70293.c: New test.
From-SVN: r234363
PR hsa/70234
* hsa-brig.c (emit_function_directives): Mark unemitted
global variables for emission.
* hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
(get_symbol_for_decl): Likewise.
* hsa.h (struct hsa_symbol): New flag.
From-SVN: r234362
2016-03-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/70288
* tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
we do not estimate unsimplified all-constant conditionals or
switches as optimized away.
* gcc.dg/torture/pr70288-1.c: New testcase.
* gcc.dg/torture/pr70288-2.c: Likewise.
From-SVN: r234361
gcc/
PR rtl-optimization/69102
* sched-deps.c (sched_analyze_insn): Do not set last_args_size field
when we have a readonly dependency context.
testsuite/
PR rtl-optimization/69102
* gcc.c-torture/compile/pr69102.c: New test.
From-SVN: r234359
