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// run
// 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 21048: s390x merged address generation into stores
// to unaligned global variables. This resulted in an illegal
// instruction.
package main
type T struct {
_ [1]byte
a [2]byte // offset: 1
_ [3]byte
b [2]uint16 // offset: 6
_ [2]byte
c [2]uint32 // offset: 12
_ [2]byte
d [2]int16 // offset: 22
_ [2]byte
e [2]int32 // offset: 28
}
var Source, Sink T
func newT() T {
return T{
a: [2]byte{1, 2},
b: [2]uint16{1, 2},
c: [2]uint32{1, 2},
d: [2]int16{1, 2},
e: [2]int32{1, 2},
}
}
//go:noinline
func moves() {
Sink.a = Source.a
Sink.b = Source.b
Sink.c = Source.c
Sink.d = Source.d
Sink.e = Source.e
}
//go:noinline
func loads() *T {
t := newT()
t.a = Source.a
t.b = Source.b
t.c = Source.c
t.d = Source.d
t.e = Source.e
return &t
}
//go:noinline
func stores() {
t := newT()
Sink.a = t.a
Sink.b = t.b
Sink.c = t.c
Sink.d = t.d
Sink.e = t.e
}
func main() {
moves()
loads()
stores()
}