test_uint64{fn: mul_uint64_3, fnname: "mul_uint64_3", in: 25, want: 75},
	test_uint64{fn: mul_3_uint64, fnname: "mul_3_uint64", in: 27, want: 81},
	test_uint64{fn: mul_uint64_3, fnname: "mul_uint64_3", in: 27, want: 81},
	test_uint64{fn: mul_3_uint64, fnname: "mul_3_uint64", in: 37, want: 111},
	test_uint64{fn: mul_uint64_3, fnname: "mul_uint64_3", in: 37, want: 111},

			if got := mod_uint64_ssa(v.a, v.b); got != v.mod {
				t.Errorf("mod_uint64 %d%%%d = %d, wanted %d\n", v.a, v.b, got, v.mod)
			}

		}
		if got := mul_uint64_ssa(v.a, v.b); got != v.mul {
			t.Errorf("mul_uint64 %d*%d = %d, wanted %d\n", v.a, v.b, got, v.mul)
		}
	}
	for _, v := range int64_data {
		if got := add_int64_ssa(v.a, v.b); got != v.add {
			t.Errorf("add_int64 %d+%d = %d, wanted %d\n", v.a, v.b, got, v.add)
		}