diff --git a/return.h b/return.h
index 55b9369..fafbe37 100644
--- a/return.h
+++ b/return.h
@@ -260,20 +260,13 @@ asm void ASM_GET_RET_ADDR(file)
 /*************************************/
 
 /*
- * For Powerpc 603 based system running LynxOS 2.3.1 using gcc/gas.
- */
-#if defined(__powerpc__) && defined(__GNUC__) && !defined(__OPTIMIZE__)
-
-/*
- * This won't compile if "-O2" is used, but it seems to work fine with
- * "-O0".  I'm no assembler expert; I was happy enough to come up with
- * something that works at all...  :-)
+ * For PowerPC using gcc/gas.
  */
+#if defined(__powerpc__) && defined(__GNUC__)
 
 #define GET_RET_ADDR(file) \
 do { \
-  asm("mflr 0"); \
-  asm("stw 0,%0" : "=g" (file)); \
+  asm("mflr %0" : "=r" (file)); \
 } while(0)
 
 #endif /* __powerpc__ && __GNUC__ && !__OPTIMIZE__ */