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[Bug tree-optimization/49771] [4.7 Regression] wrong code with -ftree-vectorize
- From: "irar at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 19 Jul 2011 06:25:42 +0000
- Subject: [Bug tree-optimization/49771] [4.7 Regression] wrong code with -ftree-vectorize
- Auto-submitted: auto-generated
- References: <bug-49771-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49771
--- Comment #6 from irar at gcc dot gnu.org 2011-07-19 06:25:11 UTC ---
Author: irar
Date: Tue Jul 19 06:25:07 2011
New Revision: 176434
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176434
Log:
PR tree-optimization/49771
* tree-vect-loop-manip.c (vect_vfa_segment_size): In case of
zero step, set segment length to the size of the data-ref's type.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr49771.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop-manip.c