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flt_rounds.c revision 1.1 
      1 /*	$NetBSD: flt_rounds.c,v 1.1 1997/03/29 20:55:55 thorpej Exp $	*/
      2 
      3 static const int map[] = {
      4 	1,	/* round to nearest */
      5 	0,	/* round to zero */
      6 	2,	/* round to positive infinity */
      7 	3	/* round to negative infinity */
      8 };
      9 
     10 int
     11 __flt_rounds()
     12 {
     13 	double tmp;
     14 	int x;
     15 
     16 	asm("mffs %0; stfiwx %0,0,%1" : "=f"(tmp): "b"(&x));
     17 	return map[x & 0x03];
     18 }
     19