[Bug target/89021] Implement mmintrin.h in SSE

[hjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021

--- Comment #35 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Wed May 15 15:23:49 2019
New Revision: 271243

URL: https://gcc.gnu.org/viewcvs?rev=271243&root=gcc&view=rev
Log:
i386: Emulate MMX ssse3_pmaddubsw with SSE

Emulate MMX ssse3_pmaddubsw with SSE.  Only SSE register source operand
is allowed.

        PR target/89021
        * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/sse.md