projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| e53df1de | 1 | /* Compute remainder and a congruent to the quotient. m68k fpu version |
| 581c785b | 2 | Copyright (C) 1997-2022 Free Software Foundation, Inc. |
| e53df1de | 3 | This file is part of the GNU C Library. |
| e53df1de JM |
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 | |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| e53df1de JM |
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) |