1 /* Copyright (C) 2009-2017 Free Software Foundation, Inc.
2 This file is part of GCC.
3 Contributed by Maciej W. Rozycki <macro@linux-mips.org>.
5 This file is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 3, or (at your option) any
10 This file is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
27 .type __udivsi3, @function
31 blss 0f /* Check bit #31 of divisor. */
33 blss 1f /* Check bit #31 of dividend. */
35 /* Both zero, do a standard division. */
40 /* MSB of divisor set, only 1 or 0 may result. */
48 /* MSB of dividend set, do an extended division. */
51 ediv %r1, %r2, %r0, %r3
53 .size __udivsi3, . - __udivsi3
60 .type __umodsi3, @function
64 blss 0f /* Check bit #31 of divisor. */
66 blss 1f /* Check bit #31 of dividend. */
68 /* Both zero, do a standard division. */
75 /* MSB of divisor set, subtract the divisor at most once. */
85 /* MSB of dividend set, do an extended division. */
88 ediv %r1, %r2, %r3, %r0
90 .size __umodsi3, . - __umodsi3