From: Joel Sing <joel@sing.id.au>
Date: Tue, 9 Aug 2022 08:06:25 +0000 (+1000)
Subject: internal/cpu: enable arm64 SHA512 detection for freebsd/openbsd
X-Git-Tag: go1.20rc1~939
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=95a5e20d8f7a6f7863eb3281e3a198a577e773fe;p=gostls13.git

internal/cpu: enable arm64 SHA512 detection for freebsd/openbsd

Change-Id: I1f21654b50d7b0cd8e1f854efe2724b72f067449
Reviewed-on: https://go-review.googlesource.com/c/go/+/422216
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Yuval Pavel Zholkover <paulzhol@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
---

diff --git a/src/internal/cpu/cpu_arm64_freebsd.go b/src/internal/cpu/cpu_arm64_freebsd.go
index c25e021c68..40ebfaf6ff 100644
--- a/src/internal/cpu/cpu_arm64_freebsd.go
+++ b/src/internal/cpu/cpu_arm64_freebsd.go
@@ -25,8 +25,11 @@ func osInit() {
 	}
 
 	switch extractBits(isar0, 12, 15) {
-	case 1, 2:
+	case 1:
+		ARM64.HasSHA2 = true
+	case 2:
 		ARM64.HasSHA2 = true
+		ARM64.HasSHA512 = true
 	}
 
 	switch extractBits(isar0, 16, 19) {
diff --git a/src/internal/cpu/cpu_arm64_openbsd.go b/src/internal/cpu/cpu_arm64_openbsd.go
index 2b284ebd03..54e1f4b931 100644
--- a/src/internal/cpu/cpu_arm64_openbsd.go
+++ b/src/internal/cpu/cpu_arm64_openbsd.go
@@ -44,8 +44,11 @@ func osInit() {
 	}
 
 	switch extractBits(isar0, 12, 15) {
-	case 1, 2:
+	case 1:
+		ARM64.HasSHA2 = true
+	case 2:
 		ARM64.HasSHA2 = true
+		ARM64.HasSHA512 = true
 	}
 
 	switch extractBits(isar0, 16, 19) {