mirror of
https://github.com/golang/go
synced 2024-11-19 03:54:42 -07:00
36 lines
599 B
Go
36 lines
599 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2022 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 50671: sign extension eliminated incorrectly on MIPS64.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
func F(x int32) (float64, int64) {
|
||
|
|
a := float64(x)
|
||
|
|
b := int64(x)
|
||
|
|
return a, b
|
||
|
|
}
|
||
|
|
|
||
|
|
var a, b, c float64
|
||
|
|
|
||
|
|
// Poison some floating point registers with non-zero high bits.
|
||
|
|
//
|
||
|
|
//go:noinline
|
||
|
|
func poison(x float64) {
|
||
|
|
a = x - 123.45
|
||
|
|
b = a * 1.2
|
||
|
|
c = b + 3.4
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
poison(333.3)
|
||
|
|
_, b := F(123)
|
||
|
|
if b != 123 {
|
||
|
|
panic("FAIL")
|
||
|
|
}
|
||
|
|
}
|