1 | /* Compute remainder and a congruent to the quotient. m68k fpu version |
2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library. If not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <math.h> |
20 | |
21 | FLOAT |
22 | M_DECL_FUNC (__remquo) (FLOAT x, FLOAT y, int *quo) |
23 | { |
24 | FLOAT result; |
25 | int cquo, fpsr; |
26 | |
27 | __asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1" |
28 | : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x)); |
29 | cquo = (fpsr >> 16) & 0x7f; |
30 | if (fpsr & (1 << 23)) |
31 | cquo = -cquo; |
32 | *quo = cquo; |
33 | return result; |
34 | } |
35 | declare_mgen_alias (__remquo, remquo) |
36 | |