1 files changed, 37 insertions, 0 deletions

diff --git a/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go
new file mode 100644
index 0000000..4f506f8
--- /dev/null
+++ b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go
@@ -0,0 +1,37 @@
+// Copyright 2016 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.
+
+//go:build go1.7 && amd64 && gc && !purego
+
+package blake2b
+
+import "golang.org/x/sys/cpu"
+
+func init() {
+        useAVX2 = cpu.X86.HasAVX2
+        useAVX = cpu.X86.HasAVX
+        useSSE4 = cpu.X86.HasSSE41
+}
+
+//go:noescape
+func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
+
+//go:noescape
+func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
+
+//go:noescape
+func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
+
+func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
+        switch {
+        case useAVX2:
+                hashBlocksAVX2(h, c, flag, blocks)
+        case useAVX:
+                hashBlocksAVX(h, c, flag, blocks)
+        case useSSE4:
+                hashBlocksSSE4(h, c, flag, blocks)
+        default:
+                hashBlocksGeneric(h, c, flag, blocks)
+        }
+}