From c5b21c3f4c17b0649155035d2f9aa97b2da8a813 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Fri, 30 Jul 2021 14:28:58 -0700 Subject: libgo: update to Go1.17rc2 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/341629 --- libgo/go/internal/bytealg/index_ppc64x.go | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 libgo/go/internal/bytealg/index_ppc64x.go (limited to 'libgo/go/internal/bytealg/index_ppc64x.go') diff --git a/libgo/go/internal/bytealg/index_ppc64x.go b/libgo/go/internal/bytealg/index_ppc64x.go new file mode 100644 index 0000000..f8f8f50 --- /dev/null +++ b/libgo/go/internal/bytealg/index_ppc64x.go @@ -0,0 +1,27 @@ +// 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 ignore_for_gccgo +// +build ignore_for_gccgo + +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 +} -- cgit v1.1