[Bug tree-optimization/51301] Compiler ICE in vect_is_simple_use_1

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51301

--- Comment #2 from irar at gcc dot gnu.org 2011-11-29 07:00:57 UTC ---
Author: irar
Date: Tue Nov 29 07:00:53 2011
New Revision: 181797

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181797
Log:

        PR tree-optimization/51301
        * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
        that the last statement doesn't convert to a bigger type than the
        original type of the computation.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr51301.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-patterns.c