--- Libc/Libc-498.1.5/pthreads/stack.s
+++ Libc/Libc-320/pthreads/stack.s
@@ -2,6 +2,8 @@
  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
@@ -47,7 +49,7 @@
 
 .text
 
-#if defined(__ppc__) || defined(__ppc64__)
+#if defined(__ppc__)
 #import	<architecture/ppc/asm_help.h>
 #import	<architecture/ppc/pseudo_inst.h>
 
@@ -85,44 +87,6 @@
 	subl	$0x100,%eax
 	ret
 
-#elif defined(__x86_64__)
-
-#import	<architecture/i386/asm_help.h>
-/*	
- * void *_sp(void)
- */
-
-LEAF(__sp,0)
-	movq	%rsp,%rax
-	ret
-
-/*
- * void *_adjust_sp(void *sp)
- */
-LEAF(__adjust_sp,0)
-	movq	%rdi,%rax
-	subq	$0x100,%rax
-	ret
-
-#elif defined(__arm__)
-
-#define	LEAF(name)					\
-	.align 2					@\
-	.globl	name					@\
-name:							@\
-	.set	__framesize,0
-
-LEAF(__sp)
-	mov	r0,sp
-	bx	lr
-
-/*
- * void *_adjust_sp(void *sp)
- */
-LEAF(__adjust_sp)
-	sub	r0, r0, #0x100
-	bx	lr
-
 #else
 #error sp functions not defined for this architecture
 #endif