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// compile
// Copyright 2017 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 19137: folding address into load/store causes
// odd offset on ARM64.
package p
type T struct {
p *int
a [2]byte
b [6]byte // not 4-byte aligned
}
func f(b [6]byte) T {
var x [1000]int // a large stack frame
_ = x
return T{b: b}
}
// Arg symbol's base address may be not at an aligned offset to
// SP. Folding arg's address into load/store may cause odd offset.
func move(a, b [20]byte) [20]byte {
var x [1000]int // a large stack frame
_ = x
return b // b is not 8-byte aligned to SP
}
func zero() ([20]byte, [20]byte) {
var x [1000]int // a large stack frame
_ = x
return [20]byte{}, [20]byte{} // the second return value is not 8-byte aligned to SP
}
// Issue 21992: unaligned offset between 256 and 504 and handled
// incorrectly.
type T2 struct {
a [257]byte
// fields below are not 8-, 4-, 2-byte aligned
b [8]byte
c [4]byte
d [2]byte
}
func f2(x *T2) {
x.b = [8]byte{}
x.c = [4]byte{}
x.d = [2]byte{}
}