Daniel Morsing | 3c3ce8e | 2013-07-05 16:11:22 +0200 | [diff] [blame] | 1 | // run |
| 2 | |
| 3 | // Copyright 2013 The Go Authors. All rights reserved. |
| 4 | // Use of this source code is governed by a BSD-style |
| 5 | // license that can be found in the LICENSE file. |
| 6 | |
| 7 | // issue 5809: 6g and 8g attempted to constant propagate indexed LEA |
| 8 | |
| 9 | package main |
| 10 | |
| 11 | import "fmt" |
| 12 | |
| 13 | func main() { |
| 14 | const d16 = "0123456789ABCDEF" |
| 15 | k := 0x1234 |
| 16 | var x [4]byte |
| 17 | |
| 18 | x[0] = d16[k>>12&0xf] |
| 19 | x[1] = d16[k>>8&0xf] |
| 20 | x[2] = d16[k>>4&0xf] |
| 21 | x[3] = d16[k&0xf] |
| 22 | |
| 23 | if x != [4]byte{'1','2','3','4'} { |
| 24 | fmt.Println(x) |
| 25 | panic("x != [4]byte{'1','2','3','4'}") |
| 26 | } |
| 27 | } |