From 3508066e50cf97f69b1b52af14dfb2a2e5804b4f Mon Sep 17 00:00:00 2001
From: gxw <guxiwei-hf@loongson.cn>
Date: Sun, 14 Apr 2024 09:01:47 +0000
Subject: [PATCH] mips64: Fixed scalar optimization bug in dzsum

---
 kernel/mips64/zsum.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/mips64/zsum.S b/kernel/mips64/zsum.S
index 129b97900..f6da793de 100644
--- a/kernel/mips64/zsum.S
+++ b/kernel/mips64/zsum.S
@@ -73,6 +73,8 @@
 	MTC	$0,  s1
 
 	MTC	$0,  s2
+
+	blez    INCX, .L999
 	dsll	INCX, INCX, ZBASE_SHIFT
 
 	blez	N, .L999