Other packages already dropped compatibility with go < 1.12, so it should be safe to remove it for this package as well. Change-Id: I7e894fd11d2e7d1fe28c647bd921399a9a6e30d0 GitHub-Last-Rev: 2b4f576a19338f185e79f39cbfd476573b986369 GitHub-Pull-Request: golang/crypto#240 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/448240 Run-TryBot: Nicola Murino <nicola.murino@gmail.com> Reviewed-by: Joedian Reid <joedian@golang.org> Reviewed-by: Nicola Murino <nicola.murino@gmail.com> Commit-Queue: Nicola Murino <nicola.murino@gmail.com> Auto-Submit: Nicola Murino <nicola.murino@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Michael Knyszek <mknyszek@google.com> Reviewed-by: Roland Shoemaker <roland@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
38 lines
905 B
Go
38 lines
905 B
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build amd64 && gc && !purego
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package blake2b
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import "golang.org/x/sys/cpu"
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func init() {
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useAVX2 = cpu.X86.HasAVX2
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useAVX = cpu.X86.HasAVX
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useSSE4 = cpu.X86.HasSSE41
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}
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//go:noescape
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func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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//go:noescape
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func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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//go:noescape
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func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
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switch {
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case useAVX2:
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hashBlocksAVX2(h, c, flag, blocks)
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case useAVX:
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hashBlocksAVX(h, c, flag, blocks)
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case useSSE4:
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hashBlocksSSE4(h, c, flag, blocks)
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default:
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hashBlocksGeneric(h, c, flag, blocks)
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}
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}
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