This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/52568] suboptimal __builtin_shuffle on cycles with AVX
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 15 Mar 2012 23:46:37 +0000
- Subject: [Bug target/52568] suboptimal __builtin_shuffle on cycles with AVX
- Auto-submitted: auto-generated
- References: <bug-52568-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52568
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-15 23:46:37 UTC ---
Author: jakub
Date: Thu Mar 15 23:46:34 2012
New Revision: 185447
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185447
Log:
PR target/52568
* config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New
function.
(ix86_expand_vec_perm_const_1): Use it.
* gcc.dg/torture/vshuf-4.inc: Add two new tests.
* gcc.dg/torture/vshuf-8.inc: Likewise.
* gcc.dg/torture/vshuf-16.inc: Likewise.
* gcc.dg/torture/vshuf-32.inc: Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/torture/vshuf-16.inc
trunk/gcc/testsuite/gcc.dg/torture/vshuf-32.inc
trunk/gcc/testsuite/gcc.dg/torture/vshuf-4.inc
trunk/gcc/testsuite/gcc.dg/torture/vshuf-8.inc