[Bug middle-end/66251] [6 Regression] ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1484

[matz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66251

--- Comment #6 from Michael Matz <matz at gcc dot gnu.org> ---
Author: matz
Date: Tue May 26 16:00:32 2015
New Revision: 223704

URL: https://gcc.gnu.org/viewcvs?rev=223704&root=gcc&view=rev
Log:
        PR middle-end/66251

        * tree-vect-stmts.c (vect_model_store_cost): Handled strided group
        stores.
        (vect_create_vectorized_demotion_stmts): Always set
        STMT_VINFO_VEC_STMT, also with SLP.
        (vectorizable_store): Handle strided group stores.

testsuite/:
        PR middle-end/66251
        * gcc.dg/vect/pr66251.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr66251.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c