1 /* MIPS __mpn_addmul_1 -- Multiply a limb vector with a single limb and
2 add the product to a second limb vector.
4 Copyright (C) 1995, 2000 Free Software Foundation, Inc.
6 This file is part of the GNU MP Library.
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.
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.
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. */
34 ENTRY (__mpn_addmul_1)
50 move $2,$0 /* zero cy2 */
54 lw $8,0($5) /* load new s1 limb as early as possible */
60 addu $3,$3,$2 /* add old carry limb to low product limb */
62 lw $8,0($5) /* load new s1 limb as early as possible */
63 addiu $6,$6,-1 /* decrement loop counter */
64 sltu $2,$3,$2 /* carry from previous addition -> $2 */
70 bne $6,$0,Loop /* should be "bnel" */
71 addu $2,$9,$2 /* add high product limb and carry from addition */
73 /* cool down phase 1 */
85 addu $2,$9,$2 /* add high product limb and carry from addition */
87 /* cool down phase 0 */
98 addu $2,$9,$2 /* add high product limb and carry from addition */