diff --git a/sm3/sm3blocks_ppc64x.s b/sm3/sm3blocks_ppc64x.s
index 989623a..bde2fed 100644
--- a/sm3/sm3blocks_ppc64x.s
+++ b/sm3/sm3blocks_ppc64x.s
@@ -127,8 +127,8 @@ GLOBL ·mask(SB), RODATA, $80
 	VOR b, b, TMP4                   \
 	PROLD(TMP4, b, 9)                \ // b = b <<< 9
 	VOR TMP1, TMP1, h                \ // h = TT1
-	VOR f, f, TMP4                   \
-	PROLD(TMP4, f, 19)               \ // f = f <<< 19
+	PROLD(f, TMP4, 10)               \
+	PROLD(TMP4, f, 9)                \ // f = f <<< 19
 	PROLD(TMP3, TMP4, 9)             \ // TMP4 = TT2 <<< 9
 	PROLD(TMP4, TMP0, 8)             \ // TMP0 = TT2 <<< 17
 	VXOR TMP3, TMP4, TMP4            \ // TMP4 = TT2 XOR (TT2 <<< 9)
@@ -184,8 +184,8 @@ GLOBL ·mask(SB), RODATA, $80
 	VOR b, b, TMP1                   \
 	PROLD(TMP1, b, 9)                \ // b = b <<< 9
 	VOR TMP4, TMP4, h                \ // h = TT1
-	VOR f, f, TMP1                   \
-	PROLD(TMP1, f, 19)               \ // f = f <<< 19
+	PROLD(f, TMP1, 10)               \
+	PROLD(TMP1, f, 9)                \ // f = f <<< 19
 	PROLD(TMP3, TMP1, 9)             \ // TMP1 = TT2 <<< 9
 	PROLD(TMP1, TMP0, 8)             \ // TMP0 = TT2 <<< 17
 	VXOR TMP3, TMP1, TMP1            \ // TMP1 = TT2 XOR (TT2 <<< 9)
@@ -362,9 +362,7 @@ end:
 	STXVW4X c, (R0)(R4)
 	STXVW4X g, (R16)(R4)
 	MOVD (R17)(digPtr), R4
-	VSPLTISW $12, d
 	STXVW4X d, (R0)(R4)
-	VSPLTISW $19, h
 	STXVW4X h, (R16)(R4)
 
 	RET