test_int64{fn: add_int64_0, fnname: "add_int64_0", in: -4294967296, want: -4294967296},
	test_int64{fn: add_0_int64, fnname: "add_0_int64", in: -1, want: -1},
	test_int64{fn: add_int64_0, fnname: "add_int64_0", in: -1, want: -1},
	test_int64{fn: add_0_int64, fnname: "add_0_int64", in: 0, want: 0},
	test_int64{fn: add_int64_0, fnname: "add_int64_0", in: 0, want: 0},

			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)
		}
		if got := sub_int64_ssa(v.a, v.b); got != v.sub {
			t.Errorf("sub_int64 %d-%d = %d, wanted %d\n", v.a, v.b, got, v.sub)
		}
		if v.b != 0 {