golang/test/fixedbugs/issue67160.go

33 lines
767 B
Go

// run
// Copyright 2024 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.
// Test to make sure that we don't try using larger loads for
// generated equality functions on architectures that can't do
// unaligned loads.
package main
// T has a big field that wants to be compared with larger loads/stores.
// T is "special" because of the unnamed field, so it needs a generated equality function.
// T is an odd number of bytes in size and has alignment 1.
type T struct {
src [8]byte
_ byte
}
// U contains 8 copies of T, each at a different %8 alignment.
type U [8]T
//go:noinline
func f(x, y *U) bool {
return *x == *y
}
func main() {
var a U
_ = f(&a, &a)
}