mirror of https://go.googlesource.com/go
27 lines
522 B
Go
27 lines
522 B
Go
// run
|
|
|
|
// Copyright 2015 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.
|
|
|
|
// Issue 12133. The CX register was getting clobbered
|
|
// because we did not keep track of its allocation correctly.
|
|
|
|
package main
|
|
|
|
import "fmt"
|
|
|
|
func main() {
|
|
want := uint(48)
|
|
got := f1(48)
|
|
if got != want {
|
|
fmt.Println("got", got, ", wanted", want)
|
|
panic("bad")
|
|
}
|
|
}
|
|
|
|
//go:noinline
|
|
func f1(v1 uint) uint {
|
|
return v1 >> ((1 >> v1) + (1 >> v1))
|
|
}
|