core/vm, crypto/blake2b: add SSE, AVX and AVX2 code

crypto/blake2b/blake2b_ref.go

@@ -0,0 +1,15 @@
+// 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.
+
+// +build !amd64 appengine gccgo
+
+package blake2b
+
+func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
+	hashBlocksGeneric(h, c, flag, blocks)
+}
+
+func f(h *[8]uint64, m [16]uint64, c0, c1 uint64, flag uint64, rounds int) {
+	fGeneric(h, m, c0, c1, flag, rounds)
+}