From: Jakub Jelinek <jakub@redhat.com>
To: Joseph Myers <joseph@codesourcery.com>
Cc: "Wang, Phoebe" <phoebe.wang@intel.com>,
Hongtao Liu <crazylht@gmail.com>,
"Jiang, Haochen" <haochen.jiang@intel.com>,
"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
"ubizjak@gmail.com" <ubizjak@gmail.com>,
"Liu, Hongtao" <hongtao.liu@intel.com>,
"Zhang, Annita" <annita.zhang@intel.com>,
x86-64-abi <x86-64-abi@googlegroups.com>,
llvm-dev <llvm-dev@lists.llvm.org>,
Craig Topper <craig.topper@gmail.com>
Subject: Re: Intel AVX10.1 Compiler Design and Support
Date: Wed, 9 Aug 2023 22:49:45 +0200 [thread overview]
Message-ID: <ZNP76e07LLDttYtx@tucnak> (raw)
In-Reply-To: <8fb470de-d2a3-3e71-be6a-ccc7f4f31a31@codesourcery.com>
On Wed, Aug 09, 2023 at 08:43:00PM +0000, Joseph Myers wrote:
> At this point it seems appropriate to remind people of another ABI
> consideration for vector extensions. glibc's libmvec defines vector
> versions of various functions, including AVX512 ones (of course those
> function versions only work on hardware with the relevant instructions).
> glibc's headers use both _Pragma ("omp declare simd notinbranch") and
> __attribute__ ((__simd__ ("notinbranch"))) to declare, to the compiler
> including those headers, what function variants are available in glibc.
For omp declare simd or simd attribute that simply implies that the
variants with 512-bit vectors may only be called from -mavx512f or
-mavx10.1-512 (or how the switch will be called code), not from -mavx10.1.
We shouldn't change that ABI because of AVX10.
Jakub
next prev parent reply other threads:[~2023-08-09 20:49 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-08 7:13 Haochen Jiang
2023-08-08 7:13 ` [PATCH 1/3] Initial support for AVX10.1 Haochen Jiang
2023-08-16 2:29 ` Hongtao Liu
2023-08-08 7:13 ` [PATCH 2/3] Emit a warning when disabling AVX512 with AVX10 enabled or disabling AVX10 with AVX512 enabled Haochen Jiang
2023-08-16 2:30 ` Hongtao Liu
2023-08-08 7:13 ` [PATCH 3/3] Emit a warning when AVX10 options conflict in vector width Haochen Jiang
2023-08-16 2:30 ` Hongtao Liu
2023-08-08 7:19 ` [PATCH 1/6] Support AVX10.1 for AVX512DQ+AVX512VL intrins Haochen Jiang
2023-08-08 7:20 ` [PATCH 2/6] " Haochen Jiang
2023-08-08 7:20 ` [PATCH 3/6] " Haochen Jiang
2023-08-08 7:20 ` [PATCH 4/6] " Haochen Jiang
2023-08-08 7:20 ` [PATCH 5/6] " Haochen Jiang
2023-08-08 7:20 ` [PATCH 6/6] " Haochen Jiang
2023-08-16 2:36 ` Hongtao Liu
2023-08-08 7:42 ` Intel AVX10.1 Compiler Design and Support Jakub Jelinek
2023-08-08 8:14 ` Jiang, Haochen
2023-08-08 12:44 ` Richard Biener
2023-08-09 2:06 ` Hongtao Liu
2023-08-09 2:08 ` Hongtao Liu
2023-08-09 6:30 ` Jiang, Haochen
2023-08-08 19:55 ` Joseph Myers
2023-08-09 1:21 ` Hongtao Liu
2023-08-09 2:14 ` Hongtao Liu
2023-08-09 2:18 ` Hongtao Liu
2023-08-09 3:59 ` Wang, Phoebe
2023-08-09 20:43 ` Joseph Myers
2023-08-09 20:49 ` Jakub Jelinek [this message]
2023-08-10 12:36 ` Phoebe Wang
2023-08-10 12:45 ` Richard Biener
2023-08-10 13:12 ` Phoebe Wang
2023-08-10 13:30 ` Jan Beulich
2023-08-10 13:52 ` Richard Biener
2023-08-10 14:15 ` Jiang, Haochen
2023-08-10 15:08 ` Zhang, Annita
2023-08-10 15:18 ` Jakub Jelinek
2023-08-10 22:16 ` Joseph Myers
2023-08-09 4:01 ` Phoebe Wang
2023-08-09 5:37 ` Richard Biener
2023-08-09 6:24 ` Jiang, Haochen
2023-08-09 8:14 ` Florian Weimer
2023-08-09 8:24 ` Hongtao Liu
2023-08-09 7:17 ` Jan Beulich
2023-08-09 7:38 ` Hongtao Liu
2023-08-09 8:04 ` Jan Beulich
2023-08-09 9:15 ` Florian Weimer
2023-08-09 10:15 ` Hongtao Liu
2023-08-09 10:17 ` Zhang, Annita
2023-08-09 13:54 ` Michael Matz
2023-08-09 14:34 ` Zhang, Annita
2023-08-10 15:08 ` Jiang, Haochen
2023-08-10 16:00 ` Jakub Jelinek
2023-08-19 22:44 ` ZiNgA BuRgA
2023-08-20 5:44 ` Richard Biener
2023-08-21 1:19 ` Hongtao Liu
2023-08-21 7:36 ` Richard Biener
2023-08-21 8:09 ` Jakub Jelinek
2023-08-21 8:28 ` Hongtao Liu
2023-08-21 8:37 ` Jakub Jelinek
2023-08-21 8:46 ` Hongtao Liu
2023-08-21 9:34 ` Richard Biener
2023-08-21 9:36 ` Richard Biener
2023-08-21 9:50 ` Hongtao Liu
2023-08-21 9:26 ` ZiNgA BuRgA
2023-08-22 3:20 ` Jiang, Haochen
2023-08-22 7:36 ` Richard Biener
2023-08-22 8:34 ` Jakub Jelinek
2023-08-22 8:35 ` Richard Biener
2023-08-22 8:52 ` Jiang, Haochen
2023-08-22 9:23 ` Richard Biener
2023-08-22 13:02 ` Hongtao Liu
2023-08-22 13:16 ` Jakub Jelinek
2023-08-22 13:23 ` Richard Biener
2023-08-22 13:35 ` Hongtao Liu
2023-08-22 13:54 ` Jakub Jelinek
2023-08-22 14:35 ` Hongtao Liu
2023-08-22 15:01 ` Jakub Jelinek
2023-08-23 1:57 ` Jiang, Haochen
2023-08-23 2:19 ` Hongtao Liu
2023-08-23 6:47 ` Jiang, Haochen
2023-08-23 8:16 ` Jakub Jelinek
2023-08-23 8:27 ` Hongtao Liu
2023-08-23 7:32 ` Richard Biener
2023-08-23 8:03 ` Jiang, Haochen
2023-08-23 8:31 ` Jakub Jelinek
2023-08-23 8:47 ` Hongtao Liu
2023-08-23 8:24 ` Hongtao Liu
2023-08-22 14:39 ` Hongtao Liu
2023-08-21 7:49 ` ZiNgA BuRgA
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