[Bug tree-optimization/53636] SLP may create invalid unaligned memory accesses

[uweigand at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53636

--- Comment #1 from Ulrich Weigand <uweigand at gcc dot gnu.org> 2012-06-15 
13:30:40 UTC ---
Author: uweigand
Date: Fri Jun 15 13:30:36 2012
New Revision: 188661

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188661
Log:
    gcc/
    PR tree-optimization/53636
    * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Verify
    stride when doing basic-block vectorization.

    gcc/testsuite/
    PR tree-optimization/53636
    * gcc.target/arm/pr53636.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/arm/pr53636.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c