1// run
2
3//go:build !386
4
5// Copyright 2015 The Go Authors. All rights reserved.
6// Use of this source code is governed by a BSD-style
7// license that can be found in the LICENSE file.
8
9// Issue 12411. Loss of AX during %.
10
11package main
12
13func main() {
14	x := f(4)
15	if x != 0 {
16		println("BUG: x=", x)
17	}
18}
19
20//go:noinline
21func f(x int) int {
22	// AX was live on entry to one of the % code generations,
23	// and the % code generation smashed it.
24	return ((2 * x) % 3) % (2 % ((x << 2) ^ (x % 3)))
25}
26