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Diffstat (limited to 'sysdeps/i386/rshift.S')
-rw-r--r--sysdeps/i386/rshift.S26
1 files changed, 25 insertions, 1 deletions
diff --git a/sysdeps/i386/rshift.S b/sysdeps/i386/rshift.S
index 51973fe998..3fd0afe822 100644
--- a/sysdeps/i386/rshift.S
+++ b/sysdeps/i386/rshift.S
@@ -1,5 +1,5 @@
/* i80386 __mpn_rshift --
- Copyright (C) 1992, 1994, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992,1994,1997-2000,2005 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
@@ -33,11 +33,16 @@ ENTRY (BP_SYM (__mpn_rshift))
ENTER
pushl %edi
+ cfi_adjust_cfa_offset (4)
pushl %esi
+ cfi_adjust_cfa_offset (4)
pushl %ebx
+ cfi_adjust_cfa_offset (4)
movl RES(%esp),%edi
+ cfi_rel_offset (edi, 8)
movl S(%esp),%esi
+ cfi_rel_offset (esi, 4)
movl SIZE(%esp),%edx
movl CNT(%esp),%ecx
#if __BOUNDED_POINTERS__
@@ -51,11 +56,13 @@ ENTRY (BP_SYM (__mpn_rshift))
negl %edx
movl (%esi,%edx,4),%ebx /* read least significant limb */
+ cfi_rel_offset (ebx, 0)
xorl %eax,%eax
shrdl %cl,%ebx,%eax /* compute carry limb */
incl %edx
jz L(end)
pushl %eax /* push carry limb onto stack */
+ cfi_adjust_cfa_offset (4)
testb $1,%dl
jnz L(1) /* enter loop in the middle */
movl %ebx,%eax
@@ -75,20 +82,37 @@ L(1): movl (%esi,%edx,4),%eax
movl %eax,(%edi) /* store it */
popl %eax /* pop carry limb */
+ cfi_adjust_cfa_offset (-4)
popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
popl %esi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (esi)
popl %edi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (edi)
LEAVE
ret
+ cfi_adjust_cfa_offset (12)
+ cfi_rel_offset (edi, 8)
+ cfi_rel_offset (esi, 4)
+ cfi_rel_offset (ebx, 0)
L(end): shrl %cl,%ebx /* compute most significant limb */
movl %ebx,(%edi) /* store it */
popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
popl %esi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (esi)
popl %edi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (edi)
LEAVE
ret