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

H.J. Lu hjl.tools@gmail.com
Wed Jan 10 13:43:00 GMT 2018


On Wed, Jan 10, 2018 at 5:23 AM, Jan Beulich <JBeulich@suse.com> wrote:
>>>> 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, your patch is OK.

Igor, please submit a patch to remove VL variants for AVX512_4FMAPS
and AVX512_4FMAPS insns.

Thanks.

-- 
H.J.



More information about the Binutils mailing list