mirror of
https://github.com/golang/go
synced 2024-11-24 01:30:10 -07:00
1cfe8e91b6
The address calculations in the example end up doing x << 4 + y + 0. Before this CL we use a SHLQ+LEAQ. Since the constant offset is 0, we can use SHLQ+ADDQ instead. Change-Id: Ia048c4fdbb3a42121c7e1ab707961062e8247fca Reviewed-on: https://go-review.googlesource.com/c/go/+/209959 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
15 lines
324 B
Go
15 lines
324 B
Go
// asmcheck
|
|
|
|
// Copyright 2019 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
|
|
|
|
// Make sure we use ADDQ instead of LEAQ when we can.
|
|
|
|
func f(p *[4][2]int, x int) *int {
|
|
// amd64:"ADDQ",-"LEAQ"
|
|
return &p[x][0]
|
|
}
|