LXR qemu/tests/tcg/mips/mips32-dsp/dpaq_s_w

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rs, rt, dsp;
   7    int ach = 0, acl = 0;
   8    int resulth, resultl, resultdsp;
   9
  10    rs        = 0x800000FF;
  11    rt        = 0x80000002;
  12    resulth   = 0x00;
  13    resultl   = 0x800003FB;
  14    resultdsp = 0x01;
  15    __asm
  16        ("mthi        %0, $ac1\n\t"
  17         "mtlo        %1, $ac1\n\t"
  18         "dpaq_s.w.ph $ac1, %3, %4\n\t"
  19         "mfhi        %0,   $ac1\n\t"
  20         "mflo        %1,   $ac1\n\t"
  21         "rddsp       %2\n\t"
  22         : "+r"(ach), "+r"(acl), "=r"(dsp)
  23         : "r"(rs), "r"(rt)
  24        );
  25    dsp = dsp >> 17 & 0x01;
  26    assert(dsp == resultdsp);
  27    assert(ach == resulth);
  28    assert(acl == resultl);
  29
  30    return 0;
  31}
  32