tests/tcg/loongarch64/test_fcsr.c

   1 #include <assert.h>
   2
   3 int main()
   4 {
   5     unsigned fcsr;
   6
   7     asm("movgr2fcsr $r0,$r0\n\t"
   8         "movgr2fr.d $f0,$r0\n\t"
   9         "fdiv.d     $f0,$f0,$f0\n\t"
  10         "movfcsr2gr %0,$r0"
  11         : "=r"(fcsr) : : "f0");
  12
  13     assert(fcsr & (16 << 16)); /* Invalid */
  14     return 0;
  15 }