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[Bug tree-optimization/40542] [4.3/4.4/4.5 Regression] vectorizes access to volatile array
- From: "irar at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jun 2009 11:49:05 -0000
- Subject: [Bug tree-optimization/40542] [4.3/4.4/4.5 Regression] vectorizes access to volatile array
- References: <bug-40542-16236@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from irar at gcc dot gnu dot org 2009-06-30 11:49 -------
Subject: Bug 40542
Author: irar
Date: Tue Jun 30 11:48:51 2009
New Revision: 149091
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149091
Log:
PR tree-optimization/40542
* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't
vectorize volatile types.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/vect/pr40542.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
branches/gcc-4_3-branch/gcc/tree-vect-analyze.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40542