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gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
30 lines
657 B
Go
30 lines
657 B
Go
// Copyright 2018 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 ignore && (ppc64 || ppc64le)
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package cipher
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// xorBytes xors the bytes in a and b. The destination should have enough
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// space, otherwise xorBytes will panic. Returns the number of bytes xor'd.
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func xorBytes(dst, a, b []byte) int {
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n := len(a)
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if len(b) < n {
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n = len(b)
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}
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if n == 0 {
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return 0
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}
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_ = dst[n-1]
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xorBytesVSX(&dst[0], &a[0], &b[0], n)
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return n
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}
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func xorWords(dst, a, b []byte) {
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xorBytes(dst, a, b)
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}
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//go:noescape
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func xorBytesVSX(dst, a, b *byte, n int)
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