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// compile
// Copyright 2021 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 44739: cmd/compile: incorrect offset in MOVD
// load/store on ppc64/ppc64le causes assembler error.
// Test other 8 byte loads and stores where the
// compile time offset is not aligned to 8, as
// well as cases where the offset is not known
// until link time (e.g. gostrings).
package main
import (
"fmt"
)
type T struct {
x [4]byte
y [8]byte
}
var st T
const (
gostring1 = "abc"
gostring2 = "defghijk"
gostring3 = "lmnopqrs"
)
func f(a T, _ byte, b T) bool {
// initialization of a,b
// tests unaligned store
return a.y == b.y
}
func g(a T) {
// test load of unaligned
// 8 byte gostring, store
// to unaligned static
copy(a.y[:], gostring2)
}
func main() {
var t1, t2 T
// test copy to automatic storage,
// load of unaligned gostring.
copy(st.y[:], gostring2)
copy(t1.y[:], st.y[:])
copy(t2.y[:], gostring3)
// test initialization of params
if !f(t1, 'a', t2) {
// gostring1 added so it has a use
fmt.Printf("FAIL: %s\n", gostring1)
}
}
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