[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 #13 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Wed May 15 15:08:38 2019
New Revision: 271221

URL: https://gcc.gnu.org/viewcvs?rev=271221&root=gcc&view=rev
Log:
i386: Emulate MMX ashr<mode>3/<shift_insn><mode>3 with SSE

Emulate MMX ashr<mode>3/<shift_insn><mode>3 with SSE.  Only SSE register
source operand is allowed.

        PR target/89021
        * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
        TARGET_MMX_WITH_SSE.  Add SSE emulation.
        (mmx_<shift_insn><mode>3): Likewise.
        (ashr<mode>3): New.
        (<shift_insn><mode>3): Likewise.

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