diff -r -u dietlibc-0.24.orig/include/sys/cdefs.h dietlibc-0.24/include/sys/cdefs.h
--- dietlibc-0.24.orig/include/sys/cdefs.h	2003-10-08 02:44:25.000000000 +0300
+++ dietlibc-0.24/include/sys/cdefs.h	2004-05-14 16:54:00.315533488 +0300
@@ -62,5 +62,10 @@
 #define __attribute_dontuse__
 #define __deprecated__
 #endif
-
+#ifdef __i386__
+/* regparm exists only on i386 */
+#define FASTCALL(n) __attribute__((regparm(n)))
+#else
+#define FASTCALL(n)
+#endif
 #endif
diff -r -u dietlibc-0.24.orig/lib/alloc.c dietlibc-0.24/lib/alloc.c
--- dietlibc-0.24.orig/lib/alloc.c	2003-11-07 19:22:33.000000000 +0200
+++ dietlibc-0.24/lib/alloc.c	2004-05-14 16:56:57.104657456 +0300
@@ -44,14 +44,8 @@
 
 /* a simple mmap :) */
 
-#ifdef __i386__
-/* regparm exists only on i386 */
-static void *do_mmap(size_t size) __attribute__((regparm(1)));
-static size_t get_index(size_t _size) __attribute__((regparm(1)));
-static void* __small_malloc(size_t _size) __attribute__((regparm(1)));
-#endif
 
-static void *do_mmap(size_t size) {
+static FASTCALL(1) void *do_mmap(size_t size) {
   return mmap(0, size, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, -1, (size_t)0);
 }
 
@@ -70,7 +64,7 @@
 
 static inline int __ind_shift() { return (MEM_BLOCK_SIZE==4096)?4:5; }
 
-static size_t get_index(size_t _size) {
+static FASTCALL(1) size_t get_index(size_t _size) {
   register size_t idx=0;
   if (_size) {
     register size_t size=((_size-1)&(MEM_BLOCK_SIZE-1))>>__ind_shift();
@@ -80,9 +74,7 @@
 }
 
 /* small mem */
-static void __small_free(void*_ptr,size_t _size) __attribute__((regparm(2)));
-
-static void __small_free(void*_ptr,size_t _size) {
+static FASTCALL(2) void __small_free(void*_ptr,size_t _size) {
   __alloc_t* ptr=BLOCK_START(_ptr);
   size_t size=_size;
   size_t idx=get_index(size);
@@ -93,7 +85,7 @@
   __small_mem[idx]=ptr;
 }
 
-static void* __small_malloc(size_t _size) {
+static FASTCALL(1) void* __small_malloc(size_t _size) {
   __alloc_t *ptr;
   size_t size=_size;
   size_t idx;
diff -r -u dietlibc-0.24.orig/libpthread/pthread_internal.c dietlibc-0.24/libpthread/pthread_internal.c
--- dietlibc-0.24.orig/libpthread/pthread_internal.c	2003-11-04 18:06:58.000000000 +0200
+++ dietlibc-0.24/libpthread/pthread_internal.c	2004-05-14 16:59:44.030280904 +0300
@@ -49,10 +49,7 @@
 static inline unsigned long hash_tid(int tid) { return (tid&(NR_BUCKETS-1)); }
 
 /* O(1) */
-#if defined(__i386__)
-static void __thread_add_tid_(_pthread_descr*root,_pthread_descr thread) __attribute__((regparm(2)));
-#endif
-static void __thread_add_tid_(_pthread_descr*root,_pthread_descr thread) {
+static FASTCALL(2) void __thread_add_tid_(_pthread_descr*root,_pthread_descr thread) {
   _pthread_descr tmp=*root;
   thread->prev=root;
   thread->next=tmp;
@@ -76,12 +73,12 @@
 /* find thread by thread-id O(n) (LOCK struct if found) */
 /* O(n*) linear to the number of thread in the same bucket */
 #if defined(__i386__)
-static _pthread_descr __thread_find_(int pid) __attribute__((regparm(1)));
+static FASTCALL(1) _pthread_descr __thread_find_(int pid);
 _pthread_descr __thread_find(int pid) { return __thread_find_(pid); }
 #else
 _pthread_descr __thread_find(int pid) __attribute__((alias("__thread_find_")));
 #endif
-static _pthread_descr __thread_find_(int pid) {
+static FASTCALL(1) _pthread_descr __thread_find_(int pid) {
   _pthread_descr cur;
   if (__thread_started==PTHREAD_ONCE_INIT) { /* uninitialised */
     LOCK(&_main_thread);