/* 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, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992-2015 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
- it under the terms of the GNU Library General Public License as published by
- the Free Software Foundation; either version 2 of the License, or (at your
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The GNU MP Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
- You should have received a copy of the GNU Library General Public License
- along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public License
+ along with the GNU MP Library; see the file COPYING.LIB. If not,
+ see <http://www.gnu.org/licenses/>. */
#include "sysdep.h"
#include "asm-syntax.h"
-#include "bp-sym.h"
-#include "bp-asm.h"
-#define PARMS LINKAGE+8 /* space for 2 saved regs */
+#define PARMS 4+8 /* space for 2 saved regs */
#define RES PARMS
-#define S1 RES+PTR_SIZE
-#define S2 S1+PTR_SIZE
-#define SIZE S2+PTR_SIZE
+#define S1 RES+4
+#define S2 S1+4
+#define SIZE S2+4
.text
-ENTRY (BP_SYM (__mpn_sub_n))
- ENTER
+ENTRY (__mpn_sub_n)
pushl %edi
+ cfi_adjust_cfa_offset (4)
pushl %esi
+ cfi_adjust_cfa_offset (4)
movl RES(%esp),%edi
+ cfi_rel_offset (edi, 4)
movl S1(%esp),%esi
+ cfi_rel_offset (esi, 0)
movl S2(%esp),%edx
movl SIZE(%esp),%ecx
-#if __BOUNDED_POINTERS__
- shll $2, %ecx /* convert limbs to bytes */
- CHECK_BOUNDS_BOTH_WIDE (%edi, RES(%esp), %ecx)
- CHECK_BOUNDS_BOTH_WIDE (%esi, S1(%esp), %ecx)
- CHECK_BOUNDS_BOTH_WIDE (%edx, S2(%esp), %ecx)
- shrl $2, %ecx
-#endif
movl %ecx,%eax
shrl $3,%ecx /* compute count for unrolled loop */
negl %eax
/* Calculate start address in loop for PIC. Due to limitations in some
assemblers, Loop-L0-3 cannot be put into the leal */
call L(0)
+ cfi_adjust_cfa_offset (4)
L(0): leal (%eax,%eax,8),%eax
addl (%esp),%eax
addl $(L(oop)-L(0)-3),%eax
addl $4,%esp
+ cfi_adjust_cfa_offset (-4)
#else
/* Calculate start address in loop for non-PIC. */
leal (L(oop) - 3)(%eax,%eax,8),%eax
negl %eax
popl %esi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (esi)
popl %edi
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (edi)
- LEAVE
ret
-END (BP_SYM (__mpn_sub_n))
+END (__mpn_sub_n)