* sysdeps/i386/bp-asm.h: New file.

* sysdeps/i386/__longjmp.S: Define & use symbolic argument stack 
offsets.  Add ENTER/LEAVE macros for optionally maintaining 
frame-pointer chain when debugging. 
* sysdeps/i386/add_n.S: Likewise. 
* sysdeps/i386/addmul_1.S: Likewise. 
* sysdeps/i386/lshift.S: Likewise. 
* sysdeps/i386/memchr.S: Likewise. 
* sysdeps/i386/memcmp.S: Likewise. 
* sysdeps/i386/mul_1.S: Likewise. 
* sysdeps/i386/rawmemchr.S: Likewise. 
* sysdeps/i386/rshift.S: Likewise. 
* sysdeps/i386/stpcpy.S: Likewise. 
* sysdeps/i386/stpncpy.S: Likewise. 
* sysdeps/i386/strchr.S: Likewise. 
* sysdeps/i386/strchrnul.S: Likewise. 
* sysdeps/i386/strcspn.S: Likewise. 
* sysdeps/i386/strpbrk.S: Likewise. 
* sysdeps/i386/strrchr.S: Likewise. 
* sysdeps/i386/strspn.S: Likewise. 
* sysdeps/i386/strtok.S: Likewise. 
* sysdeps/i386/sub_n.S: Likewise. 
* sysdeps/i386/submul_1.S: Likewise. 
* sysdeps/i386/elf/setjmp.S: Likewise. 
* sysdeps/i386/i486/strcat.S: Likewise. 
* sysdeps/i386/i486/strlen.S: Likewise. 
* sysdeps/i386/i586/add_n.S: Likewise. 
* sysdeps/i386/i586/lshift.S: Likewise. 
* sysdeps/i386/i586/memcpy.S: Likewise. 
* sysdeps/i386/i586/memset.S: Likewise. 
* sysdeps/i386/i586/rshift.S: Likewise. 
* sysdeps/i386/i586/strchr.S: Likewise. 
* sysdeps/i386/i586/strcpy.S: Likewise. 
* sysdeps/i386/i586/strlen.S: Likewise. 
* sysdeps/i386/i586/sub_n.S: Likewise. 
* sysdeps/i386/i686/add_n.S: Likewise. 
* sysdeps/i386/i686/memcpy.S: Likewise. 
* sysdeps/i386/i686/mempcpy.S: Likewise. 
* sysdeps/i386/i686/memset.S: Likewise. 
* sysdeps/i386/i686/strcmp.S: Likewise.
2000-06-08  Greg McGary  <greg@mcgary.org>

	* sysdeps/i386/bp-asm.h: New file.
	* sysdeps/i386/__longjmp.S: Define & use symbolic argument stack
	offsets.  Add ENTER/LEAVE macros for optionally maintaining
	frame-pointer chain when debugging.
	* sysdeps/i386/add_n.S: Likewise.
	* sysdeps/i386/addmul_1.S: Likewise.
	* sysdeps/i386/lshift.S: Likewise.
	* sysdeps/i386/memchr.S: Likewise.
	* sysdeps/i386/memcmp.S: Likewise.
	* sysdeps/i386/mul_1.S: Likewise.
	* sysdeps/i386/rawmemchr.S: Likewise.
	* sysdeps/i386/rshift.S: Likewise.
	* sysdeps/i386/stpcpy.S: Likewise.
	* sysdeps/i386/stpncpy.S: Likewise.
	* sysdeps/i386/strchr.S: Likewise.
	* sysdeps/i386/strchrnul.S: Likewise.
	* sysdeps/i386/strcspn.S: Likewise.
	* sysdeps/i386/strpbrk.S: Likewise.
	* sysdeps/i386/strrchr.S: Likewise.
	* sysdeps/i386/strspn.S: Likewise.
	* sysdeps/i386/strtok.S: Likewise.
	* sysdeps/i386/sub_n.S: Likewise.
	* sysdeps/i386/submul_1.S: Likewise.
	* sysdeps/i386/elf/setjmp.S: Likewise.
	* sysdeps/i386/i486/strcat.S: Likewise.
	* sysdeps/i386/i486/strlen.S: Likewise.
	* sysdeps/i386/i586/add_n.S: Likewise.
	* sysdeps/i386/i586/lshift.S: Likewise.
	* sysdeps/i386/i586/memcpy.S: Likewise.
	* sysdeps/i386/i586/memset.S: Likewise.
	* sysdeps/i386/i586/rshift.S: Likewise.
	* sysdeps/i386/i586/strchr.S: Likewise.
	* sysdeps/i386/i586/strcpy.S: Likewise.
	* sysdeps/i386/i586/strlen.S: Likewise.
	* sysdeps/i386/i586/sub_n.S: Likewise.
	* sysdeps/i386/i686/add_n.S: Likewise.
	* sysdeps/i386/i686/memcpy.S: Likewise.
	* sysdeps/i386/i686/mempcpy.S: Likewise.
	* sysdeps/i386/i686/memset.S: Likewise.
	* sysdeps/i386/i686/strcmp.S: Likewise.

1 files changed, 16 insertions, 13 deletions

diff --git a/sysdeps/i386/sub_n.S b/sysdeps/i386/sub_n.S
index ef9a8292e2..94cb070504 100644
--- a/sysdeps/i386/sub_n.S
+++ b/sysdeps/i386/sub_n.S
@@ -1,6 +1,6 @@
 /* i80386 __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
    sum in a third limb vector.
-   Copyright (C) 1992, 1994, 1995, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1994, 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
@@ -18,26 +18,27 @@
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
    MA 02111-1307, USA. */
 
-/*
-  INPUT PARAMETERS
-  res_ptr	(sp + 4)
-  s1_ptr	(sp + 8)
-  s2_ptr	(sp + 12)
-  size		(sp + 16)
-*/
-
 #include "sysdep.h"
 #include "asm-syntax.h"
+#include "bp-asm.h"
+
+#define PARMS	LINKAGE+8		/* space for 2 saved regs */
+#define RES	PARMS
+#define S1	RES+PTR_SIZE
+#define S2	S1+PTR_SIZE
+#define SIZE	S2+PTR_SIZE
 
 	.text
 ENTRY(__mpn_sub_n)
+	ENTER
+
 	pushl %edi
 	pushl %esi
 
-	movl 12(%esp),%edi		/* res_ptr */
-	movl 16(%esp),%esi		/* s1_ptr */
-	movl 20(%esp),%edx		/* s2_ptr */
-	movl 24(%esp),%ecx		/* size */
+	movl	RES(%esp),%edi
+	movl	S1(%esp),%esi
+	movl	S2(%esp),%edx
+	movl	SIZE(%esp),%ecx
 
 	movl	%ecx,%eax
 	shrl	$3,%ecx			/* compute count for unrolled loop */
@@ -99,5 +100,7 @@ L(oop):	movl	(%esi),%eax
 
 	popl %esi
 	popl %edi
+
+	LEAVE
 	ret
 END(__mpn_sub_n)