LXR qemu/tests/tcg/mips/user/ase/dsp/test_dsp_r1

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rt, rs;
   7    int achi, acli;
   8    int acho, aclo;
   9    int resulth, resultl;
  10
  11    achi = 0x05;
  12    acli = 0xB4CB;
  13    rs  = 0x01;
  14    rt  = 0x01;
  15    resulth = 0x05;
  16    resultl = 0xB4CC;
  17
  18    __asm
  19        ("mthi %2, $ac1\n\t"
  20         "mtlo %3, $ac1\n\t"
  21         "madd $ac1, %4, %5\n\t"
  22         "mfhi %0, $ac1\n\t"
  23         "mflo %1, $ac1\n\t"
  24         : "=r"(acho), "=r"(aclo)
  25         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
  26        );
  27    assert(resulth == acho);
  28    assert(resultl == aclo);
  29
  30    return 0;
  31}
  32