tests/tcg/mips/mips32-dspr2/dpax_w_ph.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rs, rt;
   7     int ach = 5, acl = 5;
   8     int resulth, resultl;
   9
  10     rs     = 0x00FF00FF;
  11     rt     = 0x00010002;
  12     resulth = 0x05;
  13     resultl = 0x0302;
  14     __asm
  15         ("mthi  %0, $ac1\n\t"
  16          "mtlo  %1, $ac1\n\t"
  17          "dpax.w.ph $ac1, %2, %3\n\t"
  18          "mfhi  %0, $ac1\n\t"
  19          "mflo  %1, $ac1\n\t"
  20          : "+r"(ach), "+r"(acl)
  21          : "r"(rs), "r"(rt)
  22         );
  23     assert(ach == resulth);
  24     assert(acl == resultl);
  25
  26     ach = 6, acl = 7;
  27     rs     = 0xFFFF00FF;
  28     rt     = 0xFFFF0002;
  29     resulth = 0x05;
  30     resultl = 0xFFFFFF06;
  31     __asm
  32         ("mthi  %0, $ac1\n\t"
  33          "mtlo  %1, $ac1\n\t"
  34          "dpax.w.ph $ac1, %2, %3\n\t"
  35          "mfhi  %0, $ac1\n\t"
  36          "mflo  %1, $ac1\n\t"
  37          : "+r"(ach), "+r"(acl)
  38          : "r"(rs), "r"(rt)
  39         );
  40     assert(ach == resulth);
  41     assert(acl == resultl);
  42
  43     return 0;
  44 }