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[Bug tree-optimization/59544] Vectorizing store with negative step
- From: "meibf at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 20 Dec 2013 13:46:03 +0000
- Subject: [Bug tree-optimization/59544] Vectorizing store with negative step
- Auto-submitted: auto-generated
- References: <bug-59544-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59544
--- Comment #1 from meibf at gcc dot gnu.org ---
Author: meibf
Date: Fri Dec 20 13:46:01 2013
New Revision: 206148
URL: http://gcc.gnu.org/viewcvs?rev=206148&root=gcc&view=rev
Log:
2013-12-20 Bingfeng Mei <bmei@broadcom.com>
PR tree-optimization/59544
* tree-vect-stmts.c (perm_mask_for_reverse): Move before
vectorizable_store.
(vectorizable_store): Handle negative step.
* gcc.target/i386/pr59544.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr59544.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-stmts.c