[Bug target/70421] [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70421

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 30 14:14:02 2016
New Revision: 234570

URL: https://gcc.gnu.org/viewcvs?rev=234570&root=gcc&view=rev
Log:
        PR target/70421
        * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
        in gen_blendm expander.

        * gcc.dg/torture/pr70421.c: New test.
        * gcc.target/i386/avx512f-pr70421.c: New test.

Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr70421.c
    branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/avx512f-pr70421.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/i386/i386.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog