| // 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") |
| } |
| } |
