[Bug tree-optimization/66165] [6 Regression] vect_transform_slp_perm_load: vec out of range ?

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66165

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue May 19 09:36:35 2015
New Revision: 223349

URL: https://gcc.gnu.org/viewcvs?rev=223349&root=gcc&view=rev
Log:
2015-05-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66165
        * tree-vect-slp.c (vect_supported_load_permutation_p): Add guard
        for no load permutation.

        * gcc.dg/torture/pr66165.c: New testcase.

        PR tree-optimization/66185
        * tree-vect-slp.c (vect_build_slp_tree): Properly roll back
        when building the SLP node from scalars.

        * gcc.dg/torture/pr66185.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66165.c
    trunk/gcc/testsuite/gcc.dg/torture/pr66185.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c