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[Bug tree-optimization/50969] 17% degradation in 168.wupwise for interleave via permutation
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 06 Feb 2012 21:39:38 +0000
- Subject: [Bug tree-optimization/50969] 17% degradation in 168.wupwise for interleave via permutation
- Auto-submitted: auto-generated
- References: <bug-50969-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #3 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-02-06 21:39:38 UTC ---
Author: wschmidt
Date: Mon Feb 6 21:39:34 2012
New Revision: 183944
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183944
Log:
2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/50969
* tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
use vec_perm rather than vector_stmt.
(vect_model_load_cost): Likewise.
* config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
vec_perm to be the same as other vector statements.
* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
cost of vec_perm for TARGET_VSX.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/config/rs6000/rs6000.c
trunk/gcc/tree-vect-stmts.c