From 1e360021c4d30f26135c4e85726e8a3a19d531f7 Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Thu, 3 Aug 2023 16:13:05 +0800
Subject: [PATCH] sm4: fix amd64 avx2 decrypt 4 blocks issue #146

---
 sm4/gcm_amd64.s | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sm4/gcm_amd64.s b/sm4/gcm_amd64.s
index 5d1699d..93144b0 100644
--- a/sm4/gcm_amd64.s
+++ b/sm4/gcm_amd64.s
@@ -2240,12 +2240,12 @@ avx2GcmSm4DecNibbles:
 	JBE avx2GcmSm4DecSingles
 	SUBQ $64, ptxLen
 
-	VMOVDQU (0*16)(SP), B0
+	VMOVDQU (0*16)(SP), B4
 	VMOVDQU (1*16)(SP), B1
 	VMOVDQU (2*16)(SP), B2
 	VMOVDQU (3*16)(SP), B3
 	
-	AVX_SM4_4BLOCKS(rk, B4, B5, B6, B7, B0, B1, B2, B3)
+	AVX_SM4_4BLOCKS(rk, B0, B5, B6, B7, B4, B1, B2, B3)
 
 	VMOVDQU (16*14)(pTbl), T2
 	VMOVDQU (16*0)(ctx), B0