| commit | ee5ce77c62483933ae4d5dbdbcbadf6f82dd3f6c | [log] [tgz] |
|---|---|---|
| author | Keith Randall <khr@golang.org> | Thu Jan 26 17:25:44 2023 -0800 |
| committer | Gopher Robot <gobot@golang.org> | Mon Jan 30 14:56:56 2023 +0000 |
| tree | 6c7c429a14a56a5a6703e701da5b2b5cb5138d39 | |
| parent | 49520907394c0a1060b51dc4a5d5ce1ac470a5f1 [diff] |
cmd/asm: reject avx512 .Z instructions without a mask register Zeroing requires a non-K0 mask register be specified. (gcc enforces this when assembling.) The non-K0 restriction is already handled by the Yknot0 restriction. But if the mask register is missing altogether, we misassemble the instruction. Fixes #57952 Not sure if this is really worth mentioning in the release notes, but just in case I'll mark it. RELNOTE=yes Change-Id: I8f05d3155503f1f16d1b5ab9d67686fe5b64dfea Reviewed-on: https://go-review.googlesource.com/c/go/+/463229 Auto-Submit: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Илья Токарь <tocarip@gmail.com> Reviewed-by: Iskander Sharipov <quasilyte@gmail.com>
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