1 /* MIPS3 __mpn_submul_1 -- Multiply a limb vector with a single limb and
2 * subtract the product from a second limb vector.
4 * Copyright (C) 1992, 1994, 1995, 2000, 2002, 2003
5 * Free Software Foundation, Inc.
7 * This file is part of the GNU MP Library.
9 * The GNU MP Library is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or (at your
12 * option) any later version.
14 * The GNU MP Library is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17 * License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with the GNU MP Library; see the file COPYING.LIB. If not, write to
21 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
44 SETUP_GP /* ??? unused */
62 ld $8,0($5) # load new s1 limb as early as possible
68 daddu $3,$3,$2 # add old carry limb to low product limb
70 ld $8,0($5) # load new s1 limb as early as possible
71 daddiu $6,$6,-1 # decrement loop counter
72 sltu $2,$3,$2 # carry from previous addition -> $2
79 daddu $2,$9,$2 # add high product limb and carry from addition
93 daddu $2,$9,$2 # add high product limb and carry from addition
106 daddu $2,$9,$2 # add high product limb and carry from addition