// 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) }