diff --git a/zuc/core_ppc64x_test.go b/zuc/core_ppc64x_test.go
index 7e6e772..15fda44 100644
--- a/zuc/core_ppc64x_test.go
+++ b/zuc/core_ppc64x_test.go
@@ -14,6 +14,12 @@ func Test_genKeywordAsm_case1(t *testing.T) {
 	if z1 != 0x27bede74 {
 		t.Errorf("expected=%x, result=%x\n", 0x27bede74, z1)
 	}
+	if s.r1 != 0xc7ee7f13 {
+		t.Errorf("expected=%x, result=%x\n", 0xc7ee7f13, s.r1)
+	}
+	if s.r2 != 0xc0fa817 {
+		t.Errorf("expected=%x, result=%x\n", 0xc0fa817, s.r2)
+	}	
 	z2 := genKeywordAsm(s)
 	if z2 != 0x018082da {
 		t.Errorf("expected=%x, result=%x\n", 0x018082da, z2)