LXR qemu/tests/tcg/mips/user/ase/dsp/test_dsp_r1

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int ach, acl;
   7    int resulth, resultl;
   8
   9    ach = 0xBBAACCFF;
  10    acl = 0x1C3B001D;
  11
  12    resulth = 0x17755;
  13    resultl = 0x99fe3876;
  14
  15    __asm
  16        ("mthi %0, $ac1\n\t"
  17         "mtlo %1, $ac1\n\t"
  18         "shilo $ac1, 0x0F\n\t"
  19         "mfhi %0, $ac1\n\t"
  20         "mflo %1, $ac1\n\t"
  21         : "+r"(ach), "+r"(acl)
  22        );
  23    assert(ach == resulth);
  24    assert(acl == resultl);
  25
  26
  27    ach = 0x1;
  28    acl = 0x80000000;
  29
  30    resulth = 0x3;
  31    resultl = 0x0;
  32
  33    __asm
  34        ("mthi %0, $ac1\n\t"
  35         "mtlo %1, $ac1\n\t"
  36         "shilo $ac1, -1\n\t"
  37         "mfhi %0, $ac1\n\t"
  38         "mflo %1, $ac1\n\t"
  39         : "+r"(ach), "+r"(acl)
  40        );
  41    assert(ach == resulth);
  42    assert(acl == resultl);
  43
  44    return 0;
  45}
  46