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Diffstat (limited to 'src/crypto/sha256/sha256block_amd64.go')
-rw-r--r--src/crypto/sha256/sha256block_amd64.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/crypto/sha256/sha256block_amd64.go b/src/crypto/sha256/sha256block_amd64.go
new file mode 100644
index 0000000..27464e2
--- /dev/null
+++ b/src/crypto/sha256/sha256block_amd64.go
@@ -0,0 +1,9 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sha256
+
+import "internal/cpu"
+
+var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI2