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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /src/internal/bytealg/index_ppc64x.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/internal/bytealg/index_ppc64x.go')
-rw-r--r-- | src/internal/bytealg/index_ppc64x.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/internal/bytealg/index_ppc64x.go b/src/internal/bytealg/index_ppc64x.go new file mode 100644 index 0000000..720d517 --- /dev/null +++ b/src/internal/bytealg/index_ppc64x.go @@ -0,0 +1,26 @@ +// Copyright 2021 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 ppc64 || ppc64le + +package bytealg + +import "internal/cpu" + +const MaxBruteForce = 16 + +var SupportsPower9 = cpu.PPC64.IsPOWER9 + +func init() { + MaxLen = 32 +} + +// Cutover reports the number of failures of IndexByte we should tolerate +// before switching over to Index. +// n is the number of bytes processed so far. +// See the bytes.Index implementation for details. +func Cutover(n int) int { + // 1 error per 8 characters, plus a few slop to start. + return (n + 16) / 8 +} |