tests/tcg/mips/user/ase/dsp/test_dsp_r1_madd.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int 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 }