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

   1#include "io.h"
   2
   3int 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}
  38