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Diffstat (limited to 'src/crypto/sha512/sha512block_amd64.s')
-rw-r--r--src/crypto/sha512/sha512block_amd64.s2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/crypto/sha512/sha512block_amd64.s b/src/crypto/sha512/sha512block_amd64.s
index 0fa0df2f60..bd4e3e6669 100644
--- a/src/crypto/sha512/sha512block_amd64.s
+++ b/src/crypto/sha512/sha512block_amd64.s
@@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+//go:build !purego
+
#include "textflag.h"
// SHA512 block routine. See sha512block.go for Go equivalent.