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// $G $D/$F.go && $L $F.$A && ./$A.out
// # switch above to 'run' when bug gets fixed.
// # right now it only breaks on 8g
// Test for 8g register move bug. The optimizer gets confused
// about 16- vs 32-bit moves during splitContractIndex.
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)
}
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