1 files changed, 113 insertions, 0 deletions
diff --git a/0001-compiler-rt-Support-HARDCODE_NO_LSE-to-disable-lse-a.patch b/0001-compiler-rt-Support-HARDCODE_NO_LSE-to-disable-lse-a.patch
new file mode 100644
index 0000000..baac454
--- /dev/null
+++ b/0001-compiler-rt-Support-HARDCODE_NO_LSE-to-disable-lse-a.patch
@@ -0,0 +1,113 @@
+From 8ed31fc5c8722d5f94a90e28cdc8d99fd66f943e Mon Sep 17 00:00:00 2001
+From: eshiner <zengfuliangjx@sina.cn>
+Date: Tue, 23 Sep 2025 17:27:15 +0800
+Subject: [PATCH] [compiler-rt] Support HARDCODE_NO_LSE to disable lse atomic
+
+Currently in compiler-rt, using dynamic detect for LSE support.
+But for some soc/ship, there was something wrong with LSE atomic
+instructions, so we need DISBALE it by HARDCODE.
+
+Signed-off-by: eshiner <zengfuliangjx@sina.cn>
+---
+ .../compiler-rt/lib/builtins/aarch64/lse.S      | 17 +++++++++++++++++
+ 1 file changed, 17 insertions(+)
+
+diff --git a/src/llvm-project/compiler-rt/lib/builtins/aarch64/lse.S b/src/llvm-project/compiler-rt/lib/builtins/aarch64/lse.S
+index 1fe18f4..31577a4 100644
+--- a/src/llvm-project/compiler-rt/lib/builtins/aarch64/lse.S
++++ b/src/llvm-project/compiler-rt/lib/builtins/aarch64/lse.S
+@@ -129,6 +129,7 @@ HIDDEN(___aarch64_have_lse_atomics)
+ #define tmp1 17
+ #define tmp2 15
+ 
++#ifndef HARDCODED_NO_LSE
+ // Macro for branch to label if no LSE available
+ .macro JUMP_IF_NOT_LSE label
+ #if !defined(__APPLE__)
+@@ -140,11 +141,15 @@ HIDDEN(___aarch64_have_lse_atomics)
+ #endif
+         cbz     w(tmp0), \label
+ .endm
++#endif // HARDCODED_NO_LSE
+ 
+ #ifdef L_cas
+ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(cas))
++#ifndef HARDCODED_NO_LSE
+         JUMP_IF_NOT_LSE 8f
++#endif // HARDCODED_NO_LSE
+ #if SIZE < 16
++#ifndef HARDCODED_NO_LSE
+ #ifdef HAS_ASM_LSE
+ #define CAS GLUE4(cas, A, L, S) s(0), s(1), [x2]
+ #else
+@@ -153,6 +158,8 @@ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(cas))
+         CAS    // s(0), s(1), [x2]
+         ret
+ 8:
++#endif // HARDCODED_NO_LSE
++        mov    s(tmp0), s(0)
+         UXT    s(tmp0), s(0)
+ 0:
+         LDXR   s(0), [x2]
+@@ -171,6 +178,7 @@ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(cas))
+ #define LDXP GLUE3(ld, A, xp)
+ #endif
+ #define STXP GLUE3(st, L, xp)
++#ifndef HARDCODED_NO_LSE
+ #ifdef HAS_ASM_LSE
+ #define CASP GLUE3(casp, A, L)  x0, x1, x2, x3, [x4]
+ #else
+@@ -180,6 +188,7 @@ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(cas))
+         CASP   // x0, x1, x2, x3, [x4]
+         ret
+ 8:
++#endif // HARDCODED_NO_LSE
+         mov    x(tmp0), x0
+         mov    x(tmp1), x1
+ 0:
+@@ -197,16 +206,20 @@ END_COMPILERRT_OUTLINE_FUNCTION(NAME(cas))
+ #endif // L_cas
+ 
+ #ifdef L_swp
++#ifndef HARDCODED_NO_LSE
+ #ifdef HAS_ASM_LSE
+ #define SWP GLUE4(swp, A, L, S)  s(0), s(0), [x1]
+ #else
+ #define SWP .inst 0x38208020 + B + N
+ #endif
++#endif // HARDCODED_NO_LSE
+ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(swp))
++#ifndef HARDCODED_NO_LSE
+         JUMP_IF_NOT_LSE 8f
+         SWP    // s(0), s(0), [x1]
+         ret
+ 8:
++#endif // HARDCODED_NO_LSE
+         mov    s(tmp0), s(0)
+ 0:
+         LDXR   s(0), [x1]
+@@ -240,17 +253,21 @@ END_COMPILERRT_OUTLINE_FUNCTION(NAME(swp))
+ #error
+ #endif
+ 
++#ifndef HARDCODED_NO_LSE
+ #ifdef HAS_ASM_LSE
+ #define LDOP GLUE4(LDNM, A, L, S) s(0), s(0), [x1]
+ #else
+ #define LDOP .inst 0x38200020 + OPN + B + N
+ #endif
++#endif // HARDCODED_NO_LSE
+ 
+ DEFINE_COMPILERRT_OUTLINE_FUNCTION_UNMANGLED(NAME(LDNM))
++#ifndef HARDCODED_NO_LSE
+         JUMP_IF_NOT_LSE 8f
+         LDOP // s(0), s(0), [x1]
+         ret
+ 8:
++#endif // HARDCODED_NO_LSE
+         mov    s(tmp0), s(0)
+ 0:
+         LDXR   s(0), [x1]
+-- 
+2.51.0.windows.1
+