[Bug middle-end/87138] [8/9 Regression] wrong code with TI multiplication with -O -march=k8 -fno-tree-fre -mavx512bw

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87138

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Sep  5 07:23:00 2018
New Revision: 264108

URL: https://gcc.gnu.org/viewcvs?rev=264108&root=gcc&view=rev
Log:
        Backported from mainline
        2018-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/87138
        * expmed.c (expand_mult_const): Use immed_wide_int_const instead of
        gen_int_mode.  Formatting fixes.

        * gcc.target/i386/avx512bw-pr87138.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.target/i386/avx512bw-pr87138.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/expmed.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog