1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
! SH __gmpn_add_n -- Add two limb vectors of the same length > 0 and store
! sum in a third limb vector.
! Copyright (C) 1995, 1997, 2000 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.
! INPUT PARAMETERS
! res_ptr r4
! s1_ptr r5
! s2_ptr r6
! size r7
.text
.align 2
.global ___gmpn_add_n
___gmpn_add_n:
mov #0,r3 ! clear cy save reg
Loop: mov.l @r5+,r1
mov.l @r6+,r2
shlr r3 ! restore cy
addc r2,r1
movt r3 ! save cy
mov.l r1,@r4
dt r7
bf.s Loop
add #4,r4
rts
mov r3,r0 ! return carry-out from most sign. limb
|
