1 /* newlib libgcc routines of Andes NDS32 cpu for GNU compiler
2 Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 Contributed by Andes Technology Corporation.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 .section .mdebug.abi_nds32
34 .type __divsi3, @function
37 xor $r4, $r0, $r1 ! neg
42 slt $r3, $r1, $r0 ! test if dividend is smaller than or equal to divisor
65 subri $r5, $r5, 0 ! negate if $r4 < 0
70 subri $r0, $r0, 0 ! change neg to pos
73 subri $r1, $r1, 0 ! change neg to pos
75 .size __divsi3, .-__divsi3
85 .type __modsi3, @function
93 slt $r3, $r1, $r0 ! test if dividend is smaller than or equal to divisor
116 subri $r0, $r0, 0 ! negate if $r4 < 0
120 subri $r0, $r0, 0 ! change neg to pos
123 subri $r1, $r1, 0 ! change neg to pos
125 .size __modsi3, .-__modsi3
127 #endif /* L_modsi3 */
135 .type __udivsi3, @function
137 movi $r5, 0 ! res = 0
138 movi $r2, 1 ! bit = 1
139 slt $r3, $r1, $r0 ! test if dividend is smaller than or equal to divisor
163 .size __udivsi3, .-__udivsi3
165 #endif /* L_udivsi3 */
173 .type __umodsi3, @function
175 movi $r5, 0 ! res = 0
176 movi $r2, 1 ! bit = 1
177 slt $r3, $r1, $r0 ! test if dividend is smaller than or equal to divisor
200 .size __umodsi3, .-__umodsi3
202 #endif /* L_umodsi3 */
204 /* ----------------------------------------------------------- */