From 1c5b1b9538df55bbb233549d614cfc6db625f03a Mon Sep 17 00:00:00 2001
From: Akilan <me@akilan.io>
Date: Fri, 28 Nov 2025 00:46:20 +0000
Subject: [PATCH] changed register for purecap

---
 include/mimalloc/prim.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mimalloc/prim.h b/include/mimalloc/prim.h
index 1087d9b8..83364762 100644
--- a/include/mimalloc/prim.h
+++ b/include/mimalloc/prim.h
@@ -168,7 +168,7 @@ static inline void* mi_prim_tls_slot(size_t slot) mi_attr_noexcept {
     #if defined(__APPLE__) // M1, issue #343
     __asm__ volatile ("mrs %0, tpidrro_el0\nbic %0, %0, #7" : "=r" (tcb));
     #else
-    __asm__ volatile ("mrs %0, tpidr_el0" : "=r" (tcb));
+    __asm__ volatile ("mrs %0, CTPIDR_EL0" : "=c" (tcb));
     #endif
     res = tcb[slot];
   #elif defined(__APPLE__) && defined(__POWERPC__) // ppc, issue #781