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e53df1de | 1 | /* Compute remainder and a congruent to the quotient. m68k fpu version |
688903eb | 2 | Copyright (C) 1997-2018 Free Software Foundation, Inc. |
e53df1de JM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library. If not, see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <math.h> | |
21 | ||
22 | FLOAT | |
23 | M_DECL_FUNC (__remquo) (FLOAT x, FLOAT y, int *quo) | |
24 | { | |
25 | FLOAT result; | |
26 | int cquo, fpsr; | |
27 | ||
28 | __asm ("frem%.x %2,%0\n\tfmove%.l %/fpsr,%1" | |
29 | : "=f" (result), "=dm" (fpsr) : "f" (y), "0" (x)); | |
30 | cquo = (fpsr >> 16) & 0x7f; | |
31 | if (fpsr & (1 << 23)) | |
32 | cquo = -cquo; | |
33 | *quo = cquo; | |
34 | return result; | |
35 | } | |
36 | declare_mgen_alias (__remquo, remquo) |