[Bug tree-optimization/44861] [4.6 Regression] internal compiler error: in vectorizable_load, at tree-vect-stmts.c:3812

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2010-07-08 10:52 -------
Subject: Bug 44861

Author: rguenth
Date: Thu Jul  8 10:51:46 2010
New Revision: 161949

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161949
Log:
2010-07-08  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/44861
        * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
        information when building MEM_REFs.
        (vectorizable_load): Likewise.
        * tree-vect-data-refs.c (vect_setup_realignment): Likewise.

        * g++.dg/vect/pr44861.cc: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/vect/pr44861.cc
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-stmts.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44861