diff --git a/Golang-ppc64-asm-Reference.md b/Golang-ppc64-asm-Reference.md
index 00e125c..0b07fb4 100644
--- a/Golang-ppc64-asm-Reference.md
+++ b/Golang-ppc64-asm-Reference.md
@@ -26,5 +26,9 @@
 
 下面示例演示 T2||TT1||TT0 = T2||T1||T0 - ZERO||PH||PL。T2是借位。  
 ```asm
-
+	VSUBCUQ  T0, PL, CAR1       // VSCBIQ  PL, T0, CAR1
+	VSUBUQM  T0, PL, TT0        // VSQ     PL, T0, TT0
+	VSUBECUQ T1, PH, CAR1, CAR2 // VSBCBIQ T1, PH, CAR1, CAR2
+	VSUBEUQM T1, PH, CAR1, TT1  // VSBIQ   T1, PH, CAR1, TT1
+	VSUBEUQM T2, ZER, CAR2, T2  // VSBIQ   T2, ZER, CAR2, T2
 ```