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https://github.com/golang/go
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c1037aad4d
Change-Id: I381c03d957a0dccae5f655f02e92760e5c0e9629 Reviewed-on: https://go-review.googlesource.com/14929 Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Minux Ma <minux@golang.org>
63 lines
1023 B
Go
63 lines
1023 B
Go
// Copyright 2013 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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// Routines that are implemented in assembly in asm_{amd64,386,arm,arm64,ppc64x}.s
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// +build mips64 mips64le
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package runtime
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import _ "unsafe" // for go:linkname
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func cmpstring(s1, s2 string) int {
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l := len(s1)
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if len(s2) < l {
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l = len(s2)
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}
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for i := 0; i < l; i++ {
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c1, c2 := s1[i], s2[i]
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if c1 < c2 {
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return -1
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}
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if c1 > c2 {
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return +1
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}
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}
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if len(s1) < len(s2) {
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return -1
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}
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if len(s1) > len(s2) {
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return +1
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}
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return 0
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}
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//go:linkname bytes_Compare bytes.Compare
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func bytes_Compare(s1, s2 []byte) int {
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l := len(s1)
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if len(s2) < l {
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l = len(s2)
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}
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if l == 0 || &s1[0] == &s2[0] {
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goto samebytes
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}
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for i := 0; i < l; i++ {
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c1, c2 := s1[i], s2[i]
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if c1 < c2 {
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return -1
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}
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if c1 > c2 {
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return +1
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}
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}
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samebytes:
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if len(s1) < len(s2) {
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return -1
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}
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if len(s1) > len(s2) {
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return +1
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}
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return 0
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}
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