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Date: Mon, 26 Feb 2024 16:42:30 +0800
From: Hongliang Wang <wanghongliang@...ngson.cn>
To: musl@...ts.openwall.com
Subject: LoongArch: __clone:adjust stack to 16 align.
Hi,
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
--
2.37.1
Regards,
Hongliang Wang
View attachment "0001-LoongArch-__clone-adjust-stack-to-16-align.patch" of type "text/x-patch" (928 bytes)
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