diff options
Diffstat (limited to 'sysdeps/i386/i586/sub_n.S')
| -rw-r--r-- | sysdeps/i386/i586/sub_n.S | 20 |
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 |