r226612 - in /trunk/gcc: ChangeLog config/i386/...

Wed Aug 5 08:01:00 GMT 2015

Author: kyukhin
Date: Wed Aug  5 08:01:19 2015
New Revision: 226612

URL: https://gcc.gnu.org/viewcvs?rev=226612&root=gcc&view=rev
Log:
Disable AVX-512VL insns for scalar mode operands on -march=knl.

gcc/
	* config/i386/i386.md (define_attr "isa"): Addd avx512vl and
	noavx512vl.
	(define_attr "enabled"): Handle avx521vl and noavx512vl.
	* config/i386/sse.md (define_insn "vec_dupv2df<mask_name>"): Split
	AVX-512 alternative out of SSE.
	(define_insn "*vec_concatv2df"): Ditto.

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