go index_ppc64x 源码
golang index_ppc64x 代码
文件路径：/src/internal/bytealg/index_ppc64x.go
// 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 (aix || linux) && (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
}
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