golang spills4 代码
文件路径：/test/abi/spills4.go
/ 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)
}
}