https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #10 from CVS Commits ---
The master branch has been updated by hongtao Liu :
https://gcc.gnu.org/g:13c556d6ae84be3ee2bc245a56eafa58221de86a
commit r14-2447-g13c556d6ae84be3ee2bc245a56eafa58221de86a
Author: liuhongt
Date: Thu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #9 from Alexander Monakov ---
(In reply to Hongtao.liu from comment #8)
>
> For this one, we can load *a into %zmm0 to avoid false_dependence.
>
> vmovdqau ZMMWORD PTR [rdi], zmm0
> vpternlogq zmm0, zmm0, zmm0, 85
Yes, since
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #8 from Hongtao.liu ---
(In reply to Alexander Monakov from comment #7)
> Note that vpxor serves as a dependency-breaking instruction (see PR 110438).
> So in negate1 we do the right thing for the wrong reasons, and in negate2 we
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #7 from Alexander Monakov ---
Note that vpxor serves as a dependency-breaking instruction (see PR 110438). So
in negate1 we do the right thing for the wrong reasons, and in negate2 we can
cause a substantial stall if the previous
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
Alexander Monakov changed:
What|Removed |Added
CC||amonakov at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
--- Comment #5 from Fabio Cannizzo ---
> Well, there is nothing magic on exactly 0x55 immediate, there are 256
> possible immediates, most of them use all of A, B, C, some of them use just
> A, B, others just B, C, others just A, C, others just
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
Andrew Pinski changed:
What|Removed |Added
Last reconfirmed||2023-06-10
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
Jakub Jelinek changed:
What|Removed |Added
CC||hjl.tools at gmail dot com,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110202
Andrew Pinski changed:
What|Removed |Added
Component|target |rtl-optimization
