Date: Sat, 3 Jun 2023 19:57:03 +0100 From: Jessica Clarke <jrtc27@freebsd.org> To: Dmitry Chagin <dchagin@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@freebsd.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@freebsd.org> Subject: Re: git: 1b0d96f3c43a - main - xregs_sig: Finish renaming simd to xregs before adding avx Message-ID: <3F83B6B8-7A16-488B-9594-50A7426931F5@freebsd.org> In-Reply-To: <ZHuLcBsQmp-Yw649@heemeyer.club> References: <202306031713.353HDY7D036200@gitrepo.freebsd.org> <FF273FCA-C081-4AF6-9D75-1AD86EAE68AE@freebsd.org> <ZHuLcBsQmp-Yw649@heemeyer.club>
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On 3 Jun 2023, at 19:50, Dmitry Chagin <dchagin@freebsd.org> wrote: >=20 > 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: >>>=20 >>> The branch main has been updated by dchagin: >>>=20 >>> URL: = https://cgit.FreeBSD.org/src/commit/?id=3D1b0d96f3c43a5f997dca120a83a4b069= 95df345b >>>=20 >>> 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 >>>=20 >>> xregs_sig: Finish renaming simd to xregs before adding avx >>=20 >> Isn=E2=80=99t this the wrong direction? =E2=80=9Cxregs=E2=80=9D = sounds specific to x86=E2=80=99s xmm >> registers; arm64=E2=80=99s q NEON registers are definitely not = =E2=80=9Cxregs=E2=80=9D, those >> are the standard GPRs. >>=20 > 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=E2=80=99s = notion of SIMD. Jess >> Jess >>=20 >>> Reviewed by: kib, jhb >>> Differential Revision: https://reviews.freebsd.org/D40382
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