/* FPU control word definitions.  Stub version.   Copyright (C) 2000 Free Software Foundation, Inc.   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and   Martin Schwidefsky (schwidefsky@de.ibm.com).   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# include <features.h>/* These bits are reserved are not changed.  */# define _FPU_RESERVED 0x070700FC/* 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)  __asm__ volatile ("efpc %0,0" : "=d" (cw))#define _FPU_SETCW(cw)  __asm__ volatile ("sfpc  %0,0" : : "d" (cw))/* Default control word set at startup.  */extern fpu_control_t __fpu_control;#endif /* _FPU_CONTROL_H */