mirror of
https://github.com/golang/go.git
synced 2025-05-30 19:52:53 +00:00
0e8b7110f6
This patch enables the optimization for arm64 target. Performance results on Amberwing for strconv benchmark: name old time/op new time/op delta Quote 721ns ± 0% 617ns ± 0% -14.40% (p=0.016 n=5+4) QuoteRune 118ns ± 0% 117ns ± 0% -0.85% (p=0.008 n=5+5) AppendQuote 436ns ± 2% 321ns ± 0% -26.31% (p=0.008 n=5+5) AppendQuoteRune 34.7ns ± 0% 28.4ns ± 0% -18.16% (p=0.000 n=5+4) [Geo mean] 189ns 160ns -15.41% Change-Id: I5714c474e7483d07ca338fbaf49beb4bbcc11c44 Reviewed-on: https://go-review.googlesource.com/98735 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Giovanni Bajo <rasky@develer.com> Reviewed-by: Cherry Zhang <cherryyz@google.com>
14 lines
288 B
Go
14 lines
288 B
Go
// asmcheck
|
|
|
|
// Copyright 2018 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.
|
|
|
|
package codegen
|
|
|
|
func movesmall() {
|
|
// arm64:-"memmove"
|
|
x := [...]byte{1, 2, 3, 4, 5, 6, 7}
|
|
copy(x[1:], x[:])
|
|
}
|