[Bug tree-optimization/45241] [4.5/4.6 Regression] CPU2006 465.tonto ICE in the vectorizer with -fno-tree-pre

["changpeng dot fang at amd dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #11 from changpeng dot fang at amd dot com  2010-08-30 16:40 -------
r163286 - in /branches/gcc-4_5-branch/gcc: Chan...

    * From: cfang at gcc dot gnu dot org
    * To: gcc-cvs at gcc dot gnu dot org
    * Date: Mon, 16 Aug 2010 21:02:30 -0000
    * Subject: r163286 - in /branches/gcc-4_5-branch/gcc: Chan...

Author: cfang
Date: Mon Aug 16 21:02:29 2010
New Revision: 163286

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163286
Log:
pr45241 give up dot_prod pattern searching if stmt is outside the loop.

        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
        up dot_prod pattern searching if a stmt is outside the loop.

        * gcc.dg/vect/no-tree-pre-pr45241.c: New.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/vect/no-tree-pre-pr45241.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-vect-patterns.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45241