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RE: [PATCH] x86: fix Disp8 handling for scalar AVX512_4FMAPS insns
- From: "Tsimbalist, Igor V" <igor dot v dot tsimbalist at intel dot com>
- To: Jan Beulich <JBeulich at suse dot com>, "binutils at sourceware dot org" <binutils at sourceware dot org>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>, "Tsimbalist, Igor V" <igor dot v dot tsimbalist at intel dot com>
- Date: Wed, 10 Jan 2018 13:15:17 +0000
- Subject: RE: [PATCH] x86: fix Disp8 handling for scalar AVX512_4FMAPS insns
- Authentication-results: sourceware.org; auth=none
- Dlp-product: dlpe-windows
- Dlp-reaction: no-action
- Dlp-version: 11.0.0.116
- References: <5A55EC26020000780019D1B4@prv-mh.provo.novell.com> <D511F25789BA7F4EBA64C8A63891A00291F71A8F@IRSMSX102.ger.corp.intel.com>
> -----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