diff --git a/arch/mips/pthread_arch.h b/arch/mips/pthread_arch.h
index c45347ab..376b7741 100644
--- a/arch/mips/pthread_arch.h
+++ b/arch/mips/pthread_arch.h
@@ -1,10 +1,9 @@
 static inline uintptr_t __get_tp()
 {
-#if __mips_isa_rev < 2
 	register uintptr_t tp __asm__("$3");
+#if __mips_isa_rev < 2
 	__asm__ (".word 0x7c03e83b" : "=r" (tp) );
 #else
-	uintptr_t tp;
 	__asm__ ("rdhwr %0, $29" : "=r" (tp) );
 #endif
 	return tp;