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

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rs, rt, dsp;
   7     int ach = 5, acl = 5;
   8     int resulth, resultl, resultdsp;
   9
  10     rs     = 0x00FF00FF;
  11     rt     = 0x00010002;
  12     resulth = 0x00;
  13     resultl = 0x7FFFFFFF;
  14     resultdsp = 0x01;
  15     __asm
  16         ("wrdsp %2\n\t"
  17          "mthi  %0, $ac1\n\t"
  18          "mtlo  %1, $ac1\n\t"
  19          "dpaqx_sa.w.ph $ac1, %3, %4\n\t"
  20          "mfhi  %0, $ac1\n\t"
  21          "mflo  %1, $ac1\n\t"
  22          "rddsp %2\n\t"
  23          : "+r"(ach), "+r"(acl), "+r"(dsp)
  24          : "r"(rs), "r"(rt)
  25         );
  26     assert(dsp >> (16 + 1) == resultdsp);
  27     assert(ach == resulth);
  28     assert(acl == resultl);
  29
  30     ach = 9;
  31     acl = 0xb;
  32     rs     = 0x800000FF;
  33     rt     = 0x00018000;
  34     resulth = 0x00;
  35     resultl = 0x7fffffff;
  36     resultdsp = 0x01;
  37     __asm
  38         ("wrdsp %2\n\t"
  39          "mthi  %0, $ac1\n\t"
  40          "mtlo  %1, $ac1\n\t"
  41          "dpaqx_sa.w.ph $ac1, %3, %4\n\t"
  42          "mfhi  %0, $ac1\n\t"
  43          "mflo  %1, $ac1\n\t"
  44          "rddsp %2\n\t"
  45          : "+r"(ach), "+r"(acl), "+r"(dsp)
  46          : "r"(rs), "r"(rt)
  47         );
  48     assert(dsp >> (16 + 1) == resultdsp);
  49     assert(ach == resulth);
  50     assert(acl == resultl);
  51
  52     return 0;
  53 }