From 3491cb091a648e6de3427749a889f39871efefcb Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Wed, 11 Sep 2024 09:45:08 +0800
Subject: [PATCH] test VNAND

---
 sm4/asm_ppc64x.s | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sm4/asm_ppc64x.s b/sm4/asm_ppc64x.s
index 14ffb7e..b9683f5 100644
--- a/sm4/asm_ppc64x.s
+++ b/sm4/asm_ppc64x.s
@@ -118,7 +118,7 @@ GLOBL ·rcon(SB), RODATA, $192
 	AFFINE_TRANSFORM(M1L, M1H, V_FOUR, x, y, z); \
 	; \
 	VPERM x, x, INVERSE_SHIFT_ROWS, x;           \
-	VCIPHERLAST NIBBLE_MASK, x, x;               \
+	VCIPHERLAST x, NIBBLE_MASK, x;               \
 	; \
 	AFFINE_TRANSFORM_N(M2L, M2H, V_FOUR, x, y, z)
 
@@ -181,6 +181,11 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
 	VSLDOI $4, V1, V1, V2
 	VSLDOI $4, V2, V2, V3
 
+	VNAND NIBBLE_MASK, REVERSE_WORDS, V5
+	STXVW4X V5, (R5)
+	VNAND REVERSE_WORDS, NIBBLE_MASK, V5
+	STXVW4X V5, (R6)
+/*
 ksLoop:
 	LXVW4X (R4), V4
 	SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V0, V1, V2, V3, V5)
@@ -198,7 +203,7 @@ ksLoop:
 	ADD $16, R4
 	ADD $-16, R6
 	BDNZ	ksLoop
-
+*/
     RET
 
 // func encryptBlocksAsm(xk *uint32, dst, src []byte, inst int)