LXR qemu/tests/tcg/mips/user/ase/dsp/test_dsp_r1_dpsu_h

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rs, rt;
   7    int ach = 5, acl = 5;
   8    int resulth, resultl;
   9
  10    rs      = 0xBC0123AD;
  11    rt      = 0x01643721;
  12    resulth = 0x04;
  13    resultl = 0xFFFFFEE5;
  14    __asm
  15        ("mthi  %0, $ac1\n\t"
  16         "mtlo  %1, $ac1\n\t"
  17         "dpsu.h.qbl $ac1, %2, %3\n\t"
  18         "mfhi  %0, $ac1\n\t"
  19         "mflo  %1, $ac1\n\t"
  20         : "+r"(ach), "+r"(acl)
  21         : "r"(rs), "r"(rt)
  22        );
  23    assert(ach == resulth);
  24    assert(acl == resultl);
  25
  26    return 0;
  27}
  28