[Bug tree-optimization/71259] [6/7 Regression] GCC trunk emits wrong code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71259

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jun  6 18:47:33 2016
New Revision: 237148

URL: https://gcc.gnu.org/viewcvs?rev=237148&root=gcc&view=rev
Log:
        PR tree-optimization/71259
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
        one for constant op, and use COND_EXPR for non-constant.

        * gcc.dg/vect/pr71259.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/vect/pr71259.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-vect-slp.c