mirror of
https://github.com/golang/go
synced 2024-11-14 07:00:21 -07:00
45 lines
1023 B
Go
45 lines
1023 B
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"
|
||
|
|
)
|
||
|
|
|
||
|
|
var sink int
|
||
|
|
|
||
|
|
//go:registerparams
|
||
|
|
//go:noinline
|
||
|
|
func F(a, b, c, d, e, f, g, h, i, j, k, l, m *int) {
|
||
|
|
G(m, l, k, j, i, h, g, f, e, d, c, b, a)
|
||
|
|
// did the pointers get properly updated?
|
||
|
|
sink = *a + *m
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:registerparams
|
||
|
|
//go:noinline
|
||
|
|
func G(a, b, c, d, e, f, g, h, i, j, k, l, m *int) {
|
||
|
|
// Do not reference the parameters
|
||
|
|
var scratch [1000 * 100]int
|
||
|
|
I := *c - *e - *l // zero.
|
||
|
|
scratch[I] = *d
|
||
|
|
fmt.Println("Got this far!")
|
||
|
|
sink += scratch[0]
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
a, b, c, d, e, f, g, h, i, j, k, l, m := 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
|
||
|
|
F(&a, &b, &c, &d, &e, &f, &g, &h, &i, &j, &k, &l, &m)
|
||
|
|
fmt.Printf("Sink = %d\n", sink-7)
|
||
|
|
}
|