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authorwanghongliang <wanghongliang@loongson.cn>2024-02-26 02:12:28 +0800
committerRich Felker <dalias@aerifal.cx>2024-02-26 15:23:01 -0500
commit80e3b09823a1d718664bc13704f3f7c19038a19e (patch)
tree247a57485e6bec30196226bf3e7313fa9300b958 /src
parentec325b3828772b5b75ea90f8544f5548c80ff087 (diff)
downloadmusl-80e3b09823a1d718664bc13704f3f7c19038a19e.tar.gz
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.
Diffstat (limited to 'src')
-rw-r--r--src/thread/loongarch64/clone.s1
1 files changed, 1 insertions, 0 deletions
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