Re: [PATCH v2] x86/{,V}AES: adjust when to force EVEX encoding

2024-10-08 Thread Hongtao Liu
On Tue, Oct 8, 2024 at 3:00 PM Jan Beulich wrote: > > On 08.10.2024 08:54, Hongtao Liu wrote: > > On Mon, Sep 30, 2024 at 3:33 PM Jan Beulich wrote: > >> > >> Commit a79d13a01f8c ("i386: Fix aes/vaes patterns [PR114576]") correctly > >> said "..., but we need to emit {evex} prefix in the assembly

Re: [PATCH v2] x86/{,V}AES: adjust when to force EVEX encoding

2024-10-08 Thread Jan Beulich
On 08.10.2024 08:54, Hongtao Liu wrote: > On Mon, Sep 30, 2024 at 3:33 PM Jan Beulich wrote: >> >> Commit a79d13a01f8c ("i386: Fix aes/vaes patterns [PR114576]") correctly >> said "..., but we need to emit {evex} prefix in the assembly if AES ISA >> is not enabled". Yet it did so only for the TARG

Re: [PATCH v2] x86/{,V}AES: adjust when to force EVEX encoding

2024-10-07 Thread Hongtao Liu
On Mon, Sep 30, 2024 at 3:33 PM Jan Beulich wrote: > > Commit a79d13a01f8c ("i386: Fix aes/vaes patterns [PR114576]") correctly > said "..., but we need to emit {evex} prefix in the assembly if AES ISA > is not enabled". Yet it did so only for the TARGET_AES insns. Going from > the alternative cho