diff --git a/test/test.S b/test/test.S
index a6f5b37..1cb0f3c 100644
--- a/test/test.S
+++ b/test/test.S
@@ -8,8 +8,6 @@ _start:
     # JAL
     # JALR
 
-    # XORI
-    # ORI
     # SLLI
     # SRLI
     # SRAI
@@ -90,13 +88,13 @@ _start:
     nop
     nop
 
-    # # xori
-    # xori    x12, x1, x2         # x12 = 0x01234876
-    # xori    x13, x1, x1         # x13 = 0x00000000
-    # xori    x14, x0, x2         # x14 = 0xffffffff
-    # nop
-    # nop
-    # nop
+    # xori
+    xori    x21, x2, 0x123      # x21 = 0xfffffedc
+    xori    x22, x1, 0x788      # x22 = 0xfedcb001
+    xori    x23, x0, 0x788      # x23 = 0x00000788
+    nop
+    nop
+    nop
 
 
     # counter and infinite loop