mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-05 03:01:05 +00:00
1ad9da69c6
* sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/bsd-setjmp.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/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/bsd-setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/mul_1.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i586/submul_1.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcmp.S: Likewise. * sysdeps/i386/i686/memmove.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strtok.S: Likewise. * sysdeps/unix/sysv/linux/i386/clone.S: Likewise. * sysdeps/unix/sysv/linux/i386/mmap.S: Likewise. * sysdeps/unix/sysv/linux/i386/mmap64.S: Likewise. * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Likewise. * sysdeps/unix/sysv/linux/i386/semtimedop.S: Likewise. * sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Adjust for gcc 4.
123 lines
3.2 KiB
ArmAsm
123 lines
3.2 KiB
ArmAsm
/* Add two limb vectors of the same length > 0 and store sum in a third
|
|
limb vector.
|
|
Copyright (C) 1992,94,95,97,98,2000,2005 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
|
|
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 Lesser General Public
|
|
License for more details.
|
|
|
|
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, write to
|
|
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
MA 02111-1307, USA. */
|
|
|
|
#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 RES PARMS
|
|
#define S1 RES+PTR_SIZE
|
|
#define S2 S1+PTR_SIZE
|
|
#define SIZE S2+PTR_SIZE
|
|
|
|
.text
|
|
#ifdef PIC
|
|
L(1): addl (%esp), %eax
|
|
ret
|
|
#endif
|
|
ENTRY (BP_SYM (__mpn_add_n))
|
|
ENTER
|
|
|
|
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
|
|
andl $7,%eax /* get index where to start loop */
|
|
jz L(oop) /* necessary special case for 0 */
|
|
incl %ecx /* adjust loop count */
|
|
shll $2,%eax /* adjustment for pointers... */
|
|
subl %eax,%edi /* ... since they are offset ... */
|
|
subl %eax,%esi /* ... by a constant when we ... */
|
|
subl %eax,%edx /* ... enter the loop */
|
|
shrl $2,%eax /* restore previous value */
|
|
#ifdef PIC
|
|
/* Calculate start address in loop for PIC. */
|
|
leal (L(oop)-L(0)-3)(%eax,%eax,8),%eax
|
|
call L(1)
|
|
L(0):
|
|
#else
|
|
/* Calculate start address in loop for non-PIC. */
|
|
leal (L(oop) - 3)(%eax,%eax,8),%eax
|
|
#endif
|
|
jmp *%eax /* jump into loop */
|
|
ALIGN (3)
|
|
L(oop): movl (%esi),%eax
|
|
adcl (%edx),%eax
|
|
movl %eax,(%edi)
|
|
movl 4(%esi),%eax
|
|
adcl 4(%edx),%eax
|
|
movl %eax,4(%edi)
|
|
movl 8(%esi),%eax
|
|
adcl 8(%edx),%eax
|
|
movl %eax,8(%edi)
|
|
movl 12(%esi),%eax
|
|
adcl 12(%edx),%eax
|
|
movl %eax,12(%edi)
|
|
movl 16(%esi),%eax
|
|
adcl 16(%edx),%eax
|
|
movl %eax,16(%edi)
|
|
movl 20(%esi),%eax
|
|
adcl 20(%edx),%eax
|
|
movl %eax,20(%edi)
|
|
movl 24(%esi),%eax
|
|
adcl 24(%edx),%eax
|
|
movl %eax,24(%edi)
|
|
movl 28(%esi),%eax
|
|
adcl 28(%edx),%eax
|
|
movl %eax,28(%edi)
|
|
leal 32(%edi),%edi
|
|
leal 32(%esi),%esi
|
|
leal 32(%edx),%edx
|
|
decl %ecx
|
|
jnz L(oop)
|
|
|
|
sbbl %eax,%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_add_n))
|