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

fpsetsticky.c revision 1.1

      1 /*
      2  * Written by J.T. Conklin, Apr 11, 1995
      3  * Public domain.
      4  */
      5 
      6 #include <ieeefp.h>
      7 
      8 fp_except
      9 fpsetsticky(sticky)
     10 	fp_except sticky;
     11 {
     12 	fp_except old;
     13 	fp_except new;
     14 
     15 	__asm__("cfc1 %0,$31" : "=r" (old));
     16 
     17 	new = old;
     18 	new &= ~(0x1f << 2);
     19 	new |= ((sticky & 0x1f) << 2);
     20 
     21 	__asm__("ctc1 %0,$31" : : "r" (new));
     22 
     23 	return (old >> 2) & 0x1f;
     24 }
     25