[Bug target/86444] [X86] Implementation of SSE comi/ucomi intrinsics does not match recent versions of icc, clang, or MSVC

[liuhongt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86444

--- Comment #2 from liuhongt at gcc dot gnu.org ---
Author: liuhongt
Date: Mon Jun  3 02:20:33 2019
New Revision: 271853

URL: https://gcc.gnu.org/viewcvs?rev=271853&root=gcc&view=rev
Log:
2019-05-06  H.J. Lu  <hongjiu...@intel.com>
            Hongtao Liu  <hongtao....@intel.com>

        PR target/89750
        PR target/86444
        * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
        Modified, original implementation isn't correct.

2019-05-06  H.J. Lu  <hongjiu...@intel.com>
            Hongtao Liu  <hongtao....@intel.com>

        PR target/89750
        PR target/86444
        * gcc.target/i386/avx512f-vcomisd-2.c: New.
        * gcc.target/i386/avx512f-vcomisd-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/avx512f-vcomisd-2.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-vcomiss-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-expand.c
    trunk/gcc/testsuite/ChangeLog