tests/tcg/mips/mips32-dsp/shilo.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int 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 }