1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// run
//go:build !wasm
// +build !wasm
// 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.
// wasm is excluded because the compiler chatter about register abi pragma ends up
// on stdout, and causes the expected output to not match.
package main
import "fmt"
type i5f5 struct {
a, b int16
c, d, e int32
r, s, t, u, v float32
}
//go:noinline
func spills(_ *float32) {
}
//go:registerparams
//go:noinline
func F(x i5f5) i5f5 {
y := x.v
spills(&y)
x.r = y
return x
}
func main() {
x := i5f5{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
y := x
z := F(x)
if (i5f5{1, 2, 3, 4, 5, 10, 7, 8, 9, 10}) != z {
fmt.Printf("y=%v, z=%v\n", y, z)
}
}
|
