Home | History | Annotate | Download | only in fixedbugs
      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