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Diffstat (limited to 'vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go')
-rw-r--r--vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go38
1 files changed, 38 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go b/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go
new file mode 100644
index 000000000..becdaa120
--- /dev/null
+++ b/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go
@@ -0,0 +1,38 @@
+// 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 amd64 && gc && !purego
+// +build amd64,gc,!purego
+
+package blake2s
+
+import "golang.org/x/sys/cpu"
+
+var (
+ useSSE4 = cpu.X86.HasSSE41
+ useSSSE3 = cpu.X86.HasSSSE3
+ useSSE2 = cpu.X86.HasSSE2
+)
+
+//go:noescape
+func hashBlocksSSE2(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
+
+//go:noescape
+func hashBlocksSSSE3(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
+
+//go:noescape
+func hashBlocksSSE4(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
+
+func hashBlocks(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte) {
+ switch {
+ case useSSE4:
+ hashBlocksSSE4(h, c, flag, blocks)
+ case useSSSE3:
+ hashBlocksSSSE3(h, c, flag, blocks)
+ case useSSE2:
+ hashBlocksSSE2(h, c, flag, blocks)
+ default:
+ hashBlocksGeneric(h, c, flag, blocks)
+ }
+}