[Bug tree-optimization/61403] An opportunity for x86 gcc vectorizer (~40% gain)

2015-01-22 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

 CC||jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org ---
So is this fixed now?

[Bug tree-optimization/61403] An opportunity for x86 gcc vectorizer (~40% gain)

2015-01-22 Thread evstupac at gmail dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403

Stupachenko Evgeny evstupac at gmail dot com changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |FIXED

--- Comment #4 from Stupachenko Evgeny evstupac at gmail dot com ---
(In reply to Jakub Jelinek from comment #3)
 So is this fixed now?

Yes. It is fixed.

[Bug tree-optimization/61403] An opportunity for x86 gcc vectorizer (~40% gain)

2014-10-03 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403

--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Fri Oct  3 18:16:09 2014
New Revision: 215866

URL: https://gcc.gnu.org/viewcvs?rev=215866root=gccview=rev
Log:
PR tree-optimization/61403
* config/i386/i386.c (expand_vec_perm_palignr): Fix a spelling
error in comment.  Also optimize 256-bit vectors for AVX2
or AVX (floating vectors only), provided the first permutation
can be performed in one insn.

* gcc.dg/torture/vshuf-32.inc: Add a new test 29.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/torture/vshuf-32.inc

[Bug tree-optimization/61403] An opportunity for x86 gcc vectorizer (~40% gain)

2014-06-18 Thread kyukhin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403

--- Comment #1 from Kirill Yukhin kyukhin at gcc dot gnu.org ---
Author: kyukhin
Date: Wed Jun 18 07:46:18 2014
New Revision: 211769

URL: https://gcc.gnu.org/viewcvs?rev=211769root=gccview=rev
Log:
gcc/
* config/i386/i386.c (ix86_reassociation_width): Add alternative for
vector case.
* config/i386/i386.h (TARGET_VECTOR_PARALLEL_EXECUTION): New.
* config/i386/x86-tune.def (X86_TUNE_VECTOR_PARALLEL_EXECUTION): New.
* tree-vect-data-refs.c (vect_shift_permute_load_chain): New.
Introduces alternative way of loads group permutaions.
(vect_transform_grouped_load): Try alternative way of permutations.

gcc/testsuite/
PR tree-optimization/52252
* gcc.target/i386/pr52252-atom.c: Test on loads group of size 3.
* gcc.target/i386/pr52252-core.c: Ditto.

PR tree-optimization/61403
* gcc.target/i386/pr61403.c: Test on loads and stores group of size 3.


Added:
trunk/gcc/testsuite/gcc.target/i386/pr52252-atom.c
trunk/gcc/testsuite/gcc.target/i386/pr52252-core.c
trunk/gcc/testsuite/gcc.target/i386/pr61403.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.h
trunk/gcc/config/i386/x86-tune.def
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c