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Diffstat (limited to 'sysdeps/i386/i586/sub_n.S')
-rw-r--r--sysdeps/i386/i586/sub_n.S20
1 files changed, 19 insertions, 1 deletions
diff --git a/sysdeps/i386/i586/sub_n.S b/sysdeps/i386/i586/sub_n.S
index fcc9cba4ad..1c40a80082 100644
--- a/sysdeps/i386/i586/sub_n.S
+++ b/sysdeps/i386/i586/sub_n.S
@@ -1,6 +1,6 @@
/* Pentium __mpn_sub_n -- Subtract two limb vectors of the same length > 0
and store difference in a third limb vector.
- Copyright (C) 1992, 94, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992,94,95,96,97,98,2000,2005 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
@@ -34,13 +34,20 @@ ENTRY (BP_SYM (__mpn_sub_n))
ENTER
pushl %edi
+ cfi_adjust_cfa_offset (4)
pushl %esi
+ cfi_adjust_cfa_offset (4)
pushl %ebp
+ cfi_adjust_cfa_offset (4)
pushl %ebx
+ cfi_adjust_cfa_offset (4)
movl RES(%esp),%edi
+ cfi_rel_offset (edi, 12)
movl S1(%esp),%esi
+ cfi_rel_offset (esi, 8)
movl S2(%esp),%ebx
+ cfi_rel_offset (ebx, 0)
movl SIZE(%esp),%ecx
#if __BOUNDED_POINTERS__
shll $2, %ecx /* convert limbs to bytes */
@@ -49,6 +56,7 @@ ENTRY (BP_SYM (__mpn_sub_n))
CHECK_BOUNDS_BOTH_WIDE (%ebx, S2(%esp), %ecx)
shrl $2, %ecx
#endif
+ cfi_rel_offset (ebp, 4)
movl (%ebx),%ebp
decl %ecx
@@ -58,6 +66,7 @@ ENTRY (BP_SYM (__mpn_sub_n))
testl %ecx,%ecx /* zero carry flag */
jz L(end)
pushl %edx
+ cfi_adjust_cfa_offset (4)
ALIGN (3)
L(oop): movl 28(%edi),%eax /* fetch destination cache line */
@@ -105,6 +114,7 @@ L(4): movl 24(%esi),%eax
jnz L(oop)
popl %edx
+ cfi_adjust_cfa_offset (-4)
L(end):
decl %edx /* test %edx w/o clobbering carry */
js L(end2)
@@ -128,9 +138,17 @@ L(end2):
negl %eax
popl %ebx
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebx)
popl %ebp
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (ebp)
popl %esi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (esi)
popl %edi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (edi)
LEAVE
ret