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.
*
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/
>