[Bug target/78227] ICE: unrecognizable insn: in extract_insn, at recog.c:2311 with -mavx512bw and vector comare

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78227

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec  7 22:48:38 2016
New Revision: 243399

URL: https://gcc.gnu.org/viewcvs?rev=243399&root=gcc&view=rev
Log:
        Backported from mainline
        2016-11-07  Jakub Jelinek  <ja...@redhat.com>

        PR target/78227
        * config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
        cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.

        * gcc.target/i386/pr78227-1.c: New test.
        * gcc.target/i386/pr78227-2.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr78227-1.c
    branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr78227-2.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/i386/i386.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog