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cpu: detect zbc extension on riscv64

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Change-Id: Icdd4c279693c67982f37c80a891ecadda8ec108a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/776280
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Florian Lehner <lehner.florian86@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Tobias Klauser
2026-05-20 12:31:28 -07:00
committed by Gopher Robot
parent 758f71cb83
commit 0a387f7a07
3 changed files with 4 additions and 0 deletions
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cpu/cpu.go
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@@ -236,6 +236,7 @@ var RISCV64 struct {
HasZba bool // Address generation instructions extension
HasZbb bool // Basic bit-manipulation extension
HasZbs bool // Single-bit instructions extension
HasZbc bool // Carryless multiplication extension
HasZvbb bool // Vector Basic Bit-manipulation
HasZvbc bool // Vector Carryless Multiplication
HasZvkb bool // Vector Cryptography Bit-manipulation