1 #include <stdio.h> 2 3 int main () 4 { 5 #if defined(__mips_hard_float) 6 long out [] = {0, 0}; 7 __asm__ volatile("cfc1 $a1, $31" "\n\t" 8 "dli $t0, 0x405ee0a3d70a3d71" "\n\t" 9 "dmtc1 $t0, $f0" "\n\t" 10 "ctc1 $zero, $31" "\n\t" 11 "round.w.d $f0, $f0" "\n\t" 12 "cfc1 $a2, $31" "\n\t" 13 "sd $a2, 0(%0)" "\n\t" 14 "dli $t0, 0x3ff0000000000000" "\n\t" 15 "dmtc1 $t0, $f0" "\n\t" 16 "ctc1 $zero, $31" "\n\t" 17 "round.w.d $f0, $f0" "\n\t" 18 "cfc1 $a2, $31" "\n\t" 19 "sd $a2, 8(%0)" "\n\t" 20 "ctc1 $a1, $31" "\n\t" 21 : 22 : "r" (out) 23 : "a1", "a2", "t0", "$f0" 24 ); 25 printf("FCSR::1: 0x%lx, 2: 0x%lx\n", out[0], out[1]); 26 #endif 27 return 0; 28 } 29
