| // run | |
| // Test for 8g register move bug. The optimizer gets confused | |
| // about 16- vs 32-bit moves during splitContractIndex. | |
| // Issue 3910. | |
| package main | |
| func main() { | |
| const c = 0x12345678 | |
| index, n, offset := splitContractIndex(c) | |
| if index != int((c&0xffff)>>5) || n != int(c&(1<<5-1)) || offset != (c>>16)&(1<<14-1) { | |
| println("BUG", index, n, offset) | |
| } | |
| } | |
| func splitContractIndex(ce uint32) (index, n, offset int) { | |
| h := uint16(ce) | |
| return int(h >> 5), int(h & (1<<5 - 1)), int(ce>>16) & (1<<14 - 1) | |
| } |