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[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 23:45:49 +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 #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-15 23:45:49 UTC ---
Author: jakub
Date: Thu Mar 15 23:45:45 2012
New Revision: 185446
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185446
Log:
PR target/52568
* config/i386/sse.md (UNSPEC_VPERMDF): Remove.
(avx2_permv4df): Remove.
(avx2_permv4di): Macroize into...
(avx2_perm<mode>): ... this using VI8F_256 iterator.
(avx2_permv4di_1): Macroize into...
(avx2_perm<mode>_1): ... this using VI8F_256 iterator.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/sse.md