Annotation of OpenXM/src/kan96xx/gmp-2.0.2-ssh-2/mpn/ns32k/addmul_1.s, Revision 1.1.1.1
1.1 takayama 1: # ns32000 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
2: # the result to a second limb vector.
3:
4: # Copyright (C) 1992, 1994 Free Software Foundation, Inc.
5:
6: # This file is part of the GNU MP Library.
7:
8: # The GNU MP Library is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU Library General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or (at your
11: # option) any later version.
12:
13: # The GNU MP Library is distributed in the hope that it will be useful, but
14: # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15: # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
16: # License for more details.
17:
18: # You should have received a copy of the GNU Library General Public License
19: # along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21: # MA 02111-1307, USA.
22:
23:
24: .align 1
25: .globl ___mpn_addmul_1
26: ___mpn_addmul_1:
27: save [r3,r4,r5,r6,r7]
28: negd 24(sp),r4
29: movd r4,r0
30: lshd 2,r0
31: movd 20(sp),r5
32: subd r0,r5 # r5 -> to end of S1
33: movd 16(sp),r6
34: subd r0,r6 # r6 -> to end of RES
35: subd r0,r0 # r0 = 0, cy = 0
36: movd 28(sp),r7 # r7 = s2_limb
37:
38: Loop: movd r5[r4:d],r2
39: meid r7,r2 # r2 = low_prod, r3 = high_prod
40: addcd r0,r2 # r2 = low_prod + cy_limb
41: movd r3,r0 # r0 = new cy_limb
42: addcd 0,r0
43: addd r2,r6[r4:d]
44: acbd 1,r4,Loop
45:
46: addcd 0,r0
47: restore [r7,r6,r5,r4,r3]
48: ret 0
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