diff options
Diffstat (limited to 'libc/sysdeps/linux/common/fpu_control.h')
| -rw-r--r-- | libc/sysdeps/linux/common/fpu_control.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/fpu_control.h b/libc/sysdeps/linux/common/fpu_control.h new file mode 100644 index 000000000..4a1b07d23 --- /dev/null +++ b/libc/sysdeps/linux/common/fpu_control.h @@ -0,0 +1,39 @@ +/* FPU control word definitions. Stub version. + Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _FPU_CONTROL_H +#define _FPU_CONTROL_H + +#define _FPU_RESERVED 0xffffffff /* These bits are reserved and not changed. */ + +/* The fdlibm code requires no interrupts for exceptions. Don't + change the rounding mode, it would break long double I/O! */ +#define _FPU_DEFAULT 0x00000000 /* Default value. */ + +/* Type of the control word. */ +typedef unsigned int fpu_control_t; + +/* Macros for accessing the hardware control word. */ +#define _FPU_GETCW(cw) 0 +#define _FPU_SETCW(cw) do { } while (0) + +/* Default control word set at startup. */ +extern fpu_control_t __fpu_control; + +#endif /* _FPU_CONTROL_H */ |