[Bug target/77476] [7 Regression] [AVX-512] illegal kmovb instruction on KNL

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77476

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Sep  5 19:45:21 2016
New Revision: 240000

URL: https://gcc.gnu.org/viewcvs?rev=240000&root=gcc&view=rev
Log:
        PR target/77476
        * config/i386/i386.md (isa): Add x64_avx512bw.
        (*zero_extendsidi2): For alternative 11 use x64_avx512bw isa.
        (kmov_isa): New mode attr.
        (zero_extend<mode>di2): Use <kmov_isa> isa for the last alternative.
        (*zero_extend<mode>si2): Likewise.
        (*zero_extendqihi2): Use avx512dq isa for the last alternative.

        * gcc.target/i386/avx512f-pr77476.c: New test.
        * gcc.target/i386/avx512bw-pr77476.c: New test.
        * gcc.target/i386/avx512dq-pr77476.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/avx512bw-pr77476.c
    trunk/gcc/testsuite/gcc.target/i386/avx512dq-pr77476.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-pr77476.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog