[PATCH] x86: fix Disp8 handling for scalar AVX512_4FMAPS insns

Tsimbalist, Igor V igor.v.tsimbalist@intel.com
Wed Jan 10 13:15:00 GMT 2018


> -----Original Message-----
> From: Tsimbalist, Igor V
> Sent: Wednesday, January 10, 2018 2:12 PM
> To: Jan Beulich <JBeulich@suse.com>; binutils@sourceware.org
> Cc: H.J. Lu <hjl.tools@gmail.com>; Tsimbalist, Igor V
> <igor.v.tsimbalist@intel.com>
> Subject: RE: [PATCH] x86: fix Disp8 handling for scalar AVX512_4FMAPS insns
> 
> > -----Original Message-----
> > From: binutils-owner@sourceware.org [mailto:binutils-
> > owner@sourceware.org] On Behalf Of Jan Beulich
> > Sent: Wednesday, January 10, 2018 10:34 AM
> > To: binutils@sourceware.org
> > Cc: H.J. Lu <hjl.tools@gmail.com>
> > Subject: [PATCH] x86: fix Disp8 handling for scalar AVX512_4FMAPS insns
> >
> > Just like their packed counterparts the memory operand is always 16
> > bytes wide, and the Disp8 scaling is the same for all of them. (As a
> > side note: I'm also surprised by there being AVX512VL variants of
> > these as well as the AVX512_4VNNIW ones - the SDM doesn't define any
> > such.)
> Yes, you are correct about AVX512VL variants. Could you please remove VL
> variants for
> AVX512_4FMAPS and AVX512_4FMAPS insns?
Sorry for the typo. AVX512_4FMAPS and AVX512_4VNNIW, of course.

> Thanks,
> Igor



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