| // 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") |
| } |
| } |
| func f1(v1 uint) uint { |
| switch { |
| } // prevent inlining |
| return v1 >> ((1 >> v1) + (1 >> v1)) |
| } |
