[Bug tree-optimization/44507] [4.5/4.6 Regression] vectorization ANDs array elements together incorrectly

[irar at gcc dot gnu dot org]

------- Comment #9 from irar at gcc dot gnu dot org  2010-06-14 12:22 -------
Subject: Bug 44507

Author: irar
Date: Mon Jun 14 12:22:13 2010
New Revision: 160727

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160727
Log:

        PR tree-optimization/44507 
        * tree-vect-loop.c (get_initial_def_for_reduction): Use -1
        to build initial vector for BIT_AND_EXPR.
        * tree-vect-slp.c (vect_get_constant_vectors): Likewise.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr44507.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44507