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go/test/fixedbugs/issue12133.go
Todd Neal e3e0122ae2 test: use go:noinline consistently
Replace various implementations of inlining prevention with
"go:noinline"

Change-Id: Iac90895c3a62d6f4b7a6c72e11e165d15a0abfa4
Reviewed-on: https://go-review.googlesource.com/16510
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Todd Neal <todd@tneal.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-11-03 02:01:34 +00:00

27 lines
523 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))
}