From 4fc83ec7003cd216c651d7695e78910b0d0400f2 Mon Sep 17 00:00:00 2001
From: caiyinyu <caiyinyu@loongson.cn>
Date: Wed, 6 Nov 2024 10:06:21 +0800
Subject: [PATCH 3/3] nptl: fix __builtin_thread_pointer detection on LoongArch

Signed-off-by: caiyinyu <caiyinyu@loongson.cn>
---
 sysdeps/loongarch/nptl/thread_pointer.h | 10 ++--------
 sysdeps/loongarch/nptl/tls.h            |  2 +-
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/sysdeps/loongarch/nptl/thread_pointer.h b/sysdeps/loongarch/nptl/thread_pointer.h
index 5dec2ef4..cc96062c 100644
--- a/sysdeps/loongarch/nptl/thread_pointer.h
+++ b/sysdeps/loongarch/nptl/thread_pointer.h
@@ -19,18 +19,12 @@
 #ifndef _SYS_THREAD_POINTER_H
 #define _SYS_THREAD_POINTER_H
 
-#include <sys/cdefs.h>
+register void *__thread_self asm ("$tp");
 
 static inline void *
 __thread_pointer (void)
 {
-#if __glibc_has_builtin (__builtin_thread_pointer)
-  return __builtin_thread_pointer ();
-#else
-  void *__thread_register;
-  __asm__ ("move %0, $tp" : "=r" (__thread_register));
-  return __thread_register;
-#endif
+  return __thread_self;
 }
 
 #endif /* _SYS_THREAD_POINTER_H */
diff --git a/sysdeps/loongarch/nptl/tls.h b/sysdeps/loongarch/nptl/tls.h
index c52ede4d..6356a54d 100644
--- a/sysdeps/loongarch/nptl/tls.h
+++ b/sysdeps/loongarch/nptl/tls.h
@@ -26,8 +26,8 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <dl-dtv.h>
+#include "thread_pointer.h"
 
-register void *__thread_self asm ("$tp");
 #define READ_THREAD_POINTER() ({ __thread_self; })
 
 /* Get system call information.  */
-- 
2.43.0

