[Bug tree-optimization/59544] Vectorizing store with negative step

2013-12-30 Thread bmei at broadcom dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59544

Bingfeng Mei bmei at broadcom dot com changed:

   What|Removed |Added

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

--- Comment #2 from Bingfeng Mei bmei at broadcom dot com ---
Patch checked in at r206148. It triggers pr59569 that is fixed by a separate
patch  (r206179).

[Bug tree-optimization/59544] Vectorizing store with negative step

2013-12-20 Thread meibf at gcc dot gnu.org 
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=206148root=gccview=rev
Log:
2013-12-20  Bingfeng Mei  b...@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