t.Fatalf("%s: val=%d want %d", name, val, n*p)
		}
	}
}

var hammer64 = map[string]func(*uint64, int){
	"SwapInt64":             hammerSwapInt64,
	"SwapUint64":            hammerSwapUint64,
	"SwapUintptr":           hammerSwapUintptr64,
	"AddInt64":              hammerAddInt64,
	"AddUint64":             hammerAddUint64,
	"AddUintptr":            hammerAddUintptr64,