| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* FPU control word definitions. Stub version. |
| 2 | Copyright (C) 1996-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _FPU_CONTROL_H |
| 20 | #define _FPU_CONTROL_H |
| 21 | |
| 22 | #define _FPU_RESERVED 0xffffffff /* These bits are reserved and not changed. */ |
| 23 | |
| 24 | /* The fdlibm code requires no interrupts for exceptions. Don't |
| 25 | change the rounding mode, it would break long double I/O! */ |
| 26 | #define _FPU_DEFAULT 0x00000000 /* Default value. */ |
| 27 | |
| 28 | /* Type of the control word. */ |
| 29 | typedef unsigned int fpu_control_t; |
| 30 | |
| 31 | /* Macros for accessing the hardware control word. */ |
| 32 | #define _FPU_GETCW(cw) (cw) = 0 |
| 33 | #define _FPU_SETCW(cw) (void) (cw) |
| 34 | |
| 35 | /* Default control word set at startup. */ |
| 36 | extern fpu_control_t __fpu_control; |
| 37 | |
| 38 | #endif /* _FPU_CONTROL_H */ |