tests/tcg/mips/mips64-dsp/modsub.c

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt;
   6     long long result;
   7
   8     rs     = 0xFFFFFFFF;
   9     rt     = 0x000000FF;
  10     result = 0xFFFFFF00;
  11     __asm
  12         ("modsub %0, %1, %2\n\t"
  13          : "=r"(rd)
  14          : "r"(rs), "r"(rt)
  15         );
  16     if (result != rd) {
  17         printf("modsub wrong\n");
  18
  19         return -1;
  20     }
  21
  22     rs     = 0x00000000;
  23     rt     = 0x00CD1FFF;
  24     result = 0x0000CD1F;
  25     __asm
  26         ("modsub %0, %1, %2\n\t"
  27          : "=r"(rd)
  28          : "r"(rs), "r"(rt)
  29         );
  30     if (result != rd) {
  31         printf("modsub wrong\n");
  32
  33         return -1;
  34     }
  35
  36     return 0;
  37 }