mirror of
https://github.com/golang/go
synced 2024-11-22 10:54:46 -07:00
5d6581d747
For in-register arguments, it must have only a single copy of it present in the function. If there are multiple copies, it confuses the register allocator, as they are in the same register. Change-Id: I55cb06746f08aa7c9168026d0f411bce0a9f93f4 Reviewed-on: https://go-review.googlesource.com/c/go/+/306330 Trust: Cherry Zhang <cherryyz@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
49 lines
846 B
Go
49 lines
846 B
Go
// run
|
|
|
|
// 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.
|
|
|
|
package main
|
|
|
|
const p0exp = "foo"
|
|
const p1exp = 10101
|
|
const p2exp = 3030303
|
|
const p3exp = 505050505
|
|
const p4exp = 70707070707
|
|
|
|
//go:noinline
|
|
//go:registerparams
|
|
func callee(p0 string, p1 uint64, p2 uint64, p3 uint64, p4 uint64) {
|
|
if p0 != p0exp {
|
|
panic("bad p0")
|
|
}
|
|
if p1 != p1exp {
|
|
panic("bad p1")
|
|
}
|
|
if p2 != p2exp {
|
|
panic("bad p2")
|
|
}
|
|
if p3 != p3exp {
|
|
panic("bad p3")
|
|
}
|
|
if p4 != p4exp {
|
|
panic("bad p4")
|
|
}
|
|
defer func(p0 string, p2 uint64) {
|
|
if p0 != p0exp {
|
|
panic("defer bad p0")
|
|
}
|
|
if p1 != p1exp {
|
|
panic("defer bad p1")
|
|
}
|
|
if p2 != p2exp {
|
|
panic("defer bad p2")
|
|
}
|
|
}(p0, p2)
|
|
}
|
|
|
|
func main() {
|
|
callee(p0exp, p1exp, p2exp, p3exp, p4exp)
|
|
}
|