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| author | Jakub Jelinek <jakub@redhat.com> | 2018-02-13 09:34:42 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-02-13 09:34:42 +0100 |
| commit | 848bb6fc0e502345536b25e1a110eb7f01eccbc1 (patch) | |
| tree | d7abb7ffececb36706b28e05151701a372dc8cc5 /gcc/omp-simd-clone.h | |
| parent | f4b29321048fa82c754f04814dbd46d92773e72a (diff) | |
| download | gcc-848bb6fc0e502345536b25e1a110eb7f01eccbc1.zip gcc-848bb6fc0e502345536b25e1a110eb7f01eccbc1.tar.gz gcc-848bb6fc0e502345536b25e1a110eb7f01eccbc1.tar.bz2 | |
re PR middle-end/84309 (Wrong-code with -ffast-math)
PR middle-end/84309
* match.pd (pow(C,x) -> exp(log(C)*x)): Optimize instead into
exp2(log2(C)*x) if C is a power of 2 and c99 runtime is available.
* generic-match-head.c (canonicalize_math_after_vectorization_p): New
inline function.
* gimple-match-head.c (canonicalize_math_after_vectorization_p): New
inline function.
* omp-simd-clone.h: New file.
* omp-simd-clone.c: Include omp-simd-clone.h.
(expand_simd_clones): No longer static.
* tree-vect-patterns.c: Include fold-const-call.h, attribs.h,
cgraph.h and omp-simd-clone.h.
(vect_recog_pow_pattern): Optimize pow(C,x) to exp(log(C)*x).
(vect_recog_widen_shift_pattern): Formatting fix.
(vect_pattern_recog_1): Don't check optab for calls.
* gcc.dg/pr84309.c: New test.
* gcc.target/i386/pr84309.c: New test.
From-SVN: r257617
Diffstat (limited to 'gcc/omp-simd-clone.h')
| -rw-r--r-- | gcc/omp-simd-clone.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/omp-simd-clone.h b/gcc/omp-simd-clone.h new file mode 100644 index 0000000..c4833e2 --- /dev/null +++ b/gcc/omp-simd-clone.h @@ -0,0 +1,26 @@ +/* OMP constructs' SIMD clone supporting code. + + Copyright (C) 2005-2018 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_OMP_SIMD_CLONE_H +#define GCC_OMP_SIMD_CLONE_H + +extern void expand_simd_clones (struct cgraph_node *); + +#endif /* GCC_OMP_SIMD_CLONE_H */ |