r271247 - in /trunk/gcc: ChangeLog config/i386/...

Wed May 15 15:27:00 GMT 2019

Author: hjl
Date: Wed May 15 15:27:33 2019
New Revision: 271247

URL: https://gcc.gnu.org/viewcvs?rev=271247&root=gcc&view=rev
Log:
i386: Emulate MMX ssse3_palignrdi with SSE

Emulate MMX version of palignrq with SSE version by concatenating 2
64-bit MMX operands into a single 128-bit SSE operand, followed by
SSE psrldq.  Only SSE register source operand is allowed.

	PR target/89021
	* config/i386/sse.md (ssse3_palignrdi): Changed to
	define_insn_and_split to support SSE emulation.

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