qemu

FORK: QEMU emulator
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test_dsp_r1_mult.c (451B)

      1 #include<stdio.h>
      2 #include<assert.h>
      3 
      4 int main()
      5 {
      6     int rs, rt, ach, acl;
      7     int result, resulth, resultl;
      8 
      9     rs  = 0x00FFBBAA;
     10     rt  = 0x4B231000;
     11     resulth = 0x4b0f01;
     12     resultl = 0x71f8a000;
     13     __asm
     14         ("mult $ac1, %2, %3\n\t"
     15          "mfhi %0, $ac1\n\t"
     16          "mflo %1, $ac1\n\t"
     17          : "=r"(ach), "=r"(acl)
     18          : "r"(rs), "r"(rt)
     19         );
     20     assert(ach == resulth);
     21     assert(acl == resultl);
     22 
     23     return 0;
     24 }