LXR qemu/tests/tcg/mips/mips32-dsp/shilov.c

   1#include<stdio.h>
   2#include<assert.h>
   3
   4int main()
   5{
   6    int rs, ach, acl;
   7    int resulth, resultl;
   8
   9    rs  = 0x0F;
  10    ach = 0xBBAACCFF;
  11    acl = 0x1C3B001D;
  12
  13    resulth = 0x17755;
  14    resultl = 0x99fe3876;
  15
  16    __asm
  17        ("mthi %0, $ac1\n\t"
  18         "mtlo %1, $ac1\n\t"
  19         "shilov $ac1, %2\n\t"
  20         "mfhi %0, $ac1\n\t"
  21         "mflo %1, $ac1\n\t"
  22         : "+r"(ach), "+r"(acl)
  23         : "r"(rs)
  24        );
  25    assert(ach == resulth);
  26    assert(acl == resultl);
  27
  28
  29    rs  = 0xffffffff;
  30    ach = 0x1;
  31    acl = 0x80000000;
  32
  33    resulth = 0x3;
  34    resultl = 0x0;
  35
  36    __asm
  37        ("mthi %0, $ac1\n\t"
  38         "mtlo %1, $ac1\n\t"
  39         "shilov $ac1, %2\n\t"
  40         "mfhi %0, $ac1\n\t"
  41         "mflo %1, $ac1\n\t"
  42         : "+r"(ach), "+r"(acl)
  43         : "r"(rs)
  44        );
  45    assert(ach == resulth);
  46    assert(acl == resultl);
  47
  48    return 0;
  49}
  50