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// 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")
}
}