1 files changed, 60 insertions, 0 deletions

diff --git a/vendor/golang.org/x/crypto/argon2/blamka_amd64.go b/vendor/golang.org/x/crypto/argon2/blamka_amd64.go
new file mode 100644
index 0000000..063e778
--- /dev/null
+++ b/vendor/golang.org/x/crypto/argon2/blamka_amd64.go
@@ -0,0 +1,60 @@
+// 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.
+
+//go:build amd64 && gc && !purego
+
+package argon2
+
+import "golang.org/x/sys/cpu"
+
+func init() {
+        useSSE4 = cpu.X86.HasSSE41
+}
+
+//go:noescape
+func mixBlocksSSE2(out, a, b, c *block)
+
+//go:noescape
+func xorBlocksSSE2(out, a, b, c *block)
+
+//go:noescape
+func blamkaSSE4(b *block)
+
+func processBlockSSE(out, in1, in2 *block, xor bool) {
+        var t block
+        mixBlocksSSE2(&t, in1, in2, &t)
+        if useSSE4 {
+                blamkaSSE4(&t)
+        } else {
+                for i := 0; i < blockLength; i += 16 {
+                        blamkaGeneric(
+                                &t[i+0], &t[i+1], &t[i+2], &t[i+3],
+                                &t[i+4], &t[i+5], &t[i+6], &t[i+7],
+                                &t[i+8], &t[i+9], &t[i+10], &t[i+11],
+                                &t[i+12], &t[i+13], &t[i+14], &t[i+15],
+                        )
+                }
+                for i := 0; i < blockLength/8; i += 2 {
+                        blamkaGeneric(
+                                &t[i], &t[i+1], &t[16+i], &t[16+i+1],
+                                &t[32+i], &t[32+i+1], &t[48+i], &t[48+i+1],
+                                &t[64+i], &t[64+i+1], &t[80+i], &t[80+i+1],
+                                &t[96+i], &t[96+i+1], &t[112+i], &t[112+i+1],
+                        )
+                }
+        }
+        if xor {
+                xorBlocksSSE2(out, in1, in2, &t)
+        } else {
+                mixBlocksSSE2(out, in1, in2, &t)
+        }
+}
+
+func processBlock(out, in1, in2 *block) {
+        processBlockSSE(out, in1, in2, false)
+}
+
+func processBlockXOR(out, in1, in2 *block) {
+        processBlockSSE(out, in1, in2, true)
+}