From 80e3b09823a1d718664bc13704f3f7c19038a19e Mon Sep 17 00:00:00 2001
From: wanghongliang <wanghongliang@loongson.cn>
Date: Mon, 26 Feb 2024 02:12:28 +0800
Subject: [PATCH] loongarch64 __clone: align stack pointer mod 16

According to LoongArch ABI Specs, stack need to be 16 align to improve
performance and compiler layout of stack frames.
---
 src/thread/loongarch64/clone.s | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s
index e971ab4b..a165b365 100644
--- a/src/thread/loongarch64/clone.s
+++ b/src/thread/loongarch64/clone.s
@@ -7,6 +7,7 @@
 .hidden __clone
 .type __clone,@function
 __clone:
+	bstrins.d $a1, $zero, 3, 0   #stack to 16 align
 	# Save function pointer and argument pointer on new thread stack
 	addi.d  $a1, $a1, -16
 	st.d    $a0, $a1, 0     # save function pointer