1 /* Compute remainder and a congruent to the quotient. m68k fpu version
2 Copyright (C) 1997-2022 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
M_DECL_FUNC(__remquo)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