1 // run 2 3 // Test for 6g register move bug. The optimizer gets confused 4 // about 32- vs 64-bit moves during splitContractIndex. 5 6 // Issue 3918. 7 8 package main 9 10 func main() { 11 const c = 0x123400005678 12 index, offset := splitContractIndex(c) 13 if index != (c&0xffffffff)>>5 || offset != c+1 { 14 println("BUG", index, offset) 15 } 16 } 17 18 func splitContractIndex(ce uint64) (index uint32, offset uint64) { 19 h := uint32(ce) 20 return h >> 5, ce + 1 21 } 22
