| // run |
| |
| // Copyright 2012 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 3907: out of fixed registers in nested byte multiply. |
| // Used to happen with both 6g and 8g. |
| |
| package main |
| |
| func F(a, b, c, d uint8) uint8 { |
| return a * (b * (c * (d * |
| (a * (b * (c * (d * |
| (a * (b * (c * (d * |
| a * (b * (c * d))))))))))))) |
| } |
| |
| func main() { |
| var a, b, c, d uint8 = 1, 1, 1, 1 |
| x := F(a, b, c, d) |
| if x != 1 { |
| println(x) |
| panic("x != 1") |
| } |
| } |
