File: __getfpucw.c

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/* Copyright (C) 1993  Olaf Flebbe
This file is part of the Linux C Library.

The Linux C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The Linux 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
Library General Public License for more details.  */

#include <fpu_control.h>

int
__getfpucw(void)
{
  volatile unsigned short cw;

  /* Get Control Word */
  __asm__ volatile ("fnstcw %0; fwait" : "=m" (cw) : );
  
  return cw;
}