Cross Reference: /src/lib/libc/arch/mips/gen/flt_rounds.c

flt_rounds.c revision 1.1

      1 /*
      2  * Written by J.T. Conklin, Apr 11, 1995
      3  * Public domain.
      4  */
      5 
      6 static const int map[] = {
      7 	1,	/* round to nearest */
      8 	0,	/* round to zero */
      9 	2,	/* round to positive infinity */
     10 	3	/* round to negative infinity */
     11 };
     12 
     13 int
     14 __flt_rounds()
     15 {
     16 	int x;
     17 
     18 	__asm__("cfc1 %0,$31" : "=r" (x));
     19 	return map[x & 0x03];
     20 }
     21