1// run
2
3// Copyright 2024 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Test to make sure that we don't try using larger loads for
8// generated equality functions on architectures that can't do
9// unaligned loads.
10
11package main
12
13// T has a big field that wants to be compared with larger loads/stores.
14// T is "special" because of the unnamed field, so it needs a generated equality function.
15// T is an odd number of bytes in size and has alignment 1.
16type T struct {
17	src [8]byte
18	_   byte
19}
20
21// U contains 8 copies of T, each at a different %8 alignment.
22type U [8]T
23
24//go:noinline
25func f(x, y *U) bool {
26	return *x == *y
27}
28
29func main() {
30	var a U
31	_ = f(&a, &a)
32}
33