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

[irar at gcc dot gnu dot org]

------- Comment #10 from irar at gcc dot gnu dot org  2010-06-14 13:43 -------
Subject: Bug 44507

Author: irar
Date: Mon Jun 14 13:43:24 2010
New Revision: 160742

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160742
Log:

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


Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/vect/pr44507.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-loop.c


-- 


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