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

Jan Beulich JBeulich@suse.com
Wed Jan 10 13:23:00 GMT 2018


>>> On 10.01.18 at 14:12, <igor.v.tsimbalist@intel.com> wrote:
>>  -----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?

Not right now, and unlikely in time for 2.30. I was barely finding
enough time to submit the two actual bug fixes.

Jan



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