LXR qemu/tests/tcg/mips/user/ase/dsp/test_dsp_r2_dpaqx_sa_w

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rs, rt, dsp;
   7    int ach, acl;
   8    int resulth, resultl, resultdsp;
   9
  10    ach = 0x00000005;
  11    acl = 0x00000005;
  12    rs     = 0x00FF00FF;
  13    rt     = 0x00010002;
  14    resulth = 0x00;
  15    resultl = 0x7FFFFFFF;
  16    resultdsp = 0x01;
  17    dsp = 0;
  18    __asm
  19        ("wrdsp %2\n\t"
  20         "mthi  %0, $ac1\n\t"
  21         "mtlo  %1, $ac1\n\t"
  22         "dpaqx_sa.w.ph $ac1, %3, %4\n\t"
  23         "mfhi  %0, $ac1\n\t"
  24         "mflo  %1, $ac1\n\t"
  25         "rddsp %2\n\t"
  26         : "+r"(ach), "+r"(acl), "+r"(dsp)
  27         : "r"(rs), "r"(rt)
  28        );
  29    assert(dsp >> (16 + 1) == resultdsp);
  30    assert(ach == resulth);
  31    assert(acl == resultl);
  32
  33    ach = 0x00000009;
  34    acl = 0x0000000B;
  35    rs     = 0x800000FF;
  36    rt     = 0x00018000;
  37    resulth = 0x00;
  38    resultl = 0x7FFFFFFF;
  39    resultdsp = 0x01;
  40    dsp = 0;
  41    __asm
  42        ("wrdsp %2\n\t"
  43         "mthi  %0, $ac1\n\t"
  44         "mtlo  %1, $ac1\n\t"
  45         "dpaqx_sa.w.ph $ac1, %3, %4\n\t"
  46         "mfhi  %0, $ac1\n\t"
  47         "mflo  %1, $ac1\n\t"
  48         "rddsp %2\n\t"
  49         : "+r"(ach), "+r"(acl), "+r"(dsp)
  50         : "r"(rs), "r"(rt)
  51        );
  52    assert(dsp >> (16 + 1) == resultdsp);
  53    assert(ach == resulth);
  54    assert(acl == resultl);
  55
  56    return 0;
  57}
  58