Re: git: 1b0d96f3c43a - main - xregs_sig: Finish renaming simd to xregs before adding avx

From: Dmitry Chagin <dchagin_at_freebsd.org>
Date: Sat, 03 Jun 2023 19:29:12 UTC
On Sat, Jun 03, 2023 at 07:57:03PM +0100, Jessica Clarke wrote:
> On 3 Jun 2023, at 19:50, Dmitry Chagin <dchagin@freebsd.org> wrote:
> > 
> > On Sat, Jun 03, 2023 at 07:05:48PM +0100, Jessica Clarke wrote:
> >> On 3 Jun 2023, at 18:13, Dmitry Chagin <dchagin@FreeBSD.org> wrote:
> >>> 
> >>> The branch main has been updated by dchagin:
> >>> 
> >>> URL: https://cgit.FreeBSD.org/src/commit/?id=1b0d96f3c43a5f997dca120a83a4b06995df345b
> >>> 
> >>> commit 1b0d96f3c43a5f997dca120a83a4b06995df345b
> >>> Author:     Dmitry Chagin <dchagin@FreeBSD.org>
> >>> AuthorDate: 2023-06-03 17:11:44 +0000
> >>> Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
> >>> CommitDate: 2023-06-03 17:11:44 +0000
> >>> 
> >>>   xregs_sig: Finish renaming simd to xregs before adding avx
> >> 
> >> Isn’t this the wrong direction? “xregs” sounds specific to x86’s xmm
> >> registers; arm64’s q NEON registers are definitely not “xregs”, those
> >> are the standard GPRs.
> >> 
> > NEON registers is not GPRs, here xregs is all non GPRs, ie, sse, avx,
> > neon, etc.
> 
> But the AArch64 registers are called x0 through x30. They are x
> registers. So calling the SIMD registers X registers is both incorrect
> and highly confusing. It is not general, it is specific to x86’s notion
> of SIMD.

Naming is hard (c) especially for non-native :),
I just need an avx registers test to fix golang issues in the Linuxulator.
Feel free to join D40410, D40384, propose you naming variant, may be
x->ext or ngprs
 


> 
> Jess
> 
> >> Jess
> >> 
> >>>   Reviewed by:            kib, jhb
> >>>   Differential Revision:  https://reviews.freebsd.org/D40382
> 
>