1 /* MIPS3 __mpn_lshift --
3 * Copyright (C) 1995-2014 Free Software Foundation, Inc.
5 * This file is part of the GNU MP Library.
7 * The GNU MP Library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published by
9 * the Free Software Foundation; either version 2.1 of the License, or (at your
10 * option) any later version.
12 * The GNU MP Library is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 * License for more details.
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with the GNU MP Library. If not, see
19 * <http://www.gnu.org/licenses/>.
37 SETUP_GP /* ??? unused */
43 daddu $5,$5,$2 # make r5 point at end of src
44 ld $10,-8($5) # load first limb
46 daddu $4,$4,$2 # make r4 point at end of res
48 and $9,$6,4-1 # number of limbs in first loop
49 beq $9,$0,L(L0) # if multiple of 4 limbs, skip first loop
50 dsrl $2,$10,$13 # compute function result
54 L(Loop0): ld $3,-16($5)
65 L(L0): beq $6,$0,L(Lend)
68 L(Loop): ld $3,-16($5)
97 L(Lend): dsll $8,$10,$7