[PATCH, i386, AVX-512ER] vrsqrt28ps auto generation

2016-06-20 Thread Ilya Verbin
Hi! This patch emits vrsqrt28ps instruction in ix86_emit_swsqrtsf for recip case and vrcp28ps(vrsqrt28ps(a)) for !recip. Regtested using various benchmarks on a AVX-512ER machine. OK for trunk? gcc/ * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps. *

Re: [PATCH, i386, AVX-512ER] vrsqrt28ps auto generation

2016-06-20 Thread Uros Bizjak
On Mon, Jun 20, 2016 at 9:35 PM, Ilya Verbin wrote: > Hi! > > This patch emits vrsqrt28ps instruction in ix86_emit_swsqrtsf for recip case > and > vrcp28ps(vrsqrt28ps(a)) for !recip. > Regtested using various benchmarks on a AVX-512ER machine. OK for trunk? > > > gcc/ >