tests/tcg/mips/mips32-dspr2/dpaqx_s_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     = 0x800000FF;
  11     rt     = 0x00018000;
  12     resulth = 0x05;
  13     resultl = 0x80000202;
  14     resultdsp = 0x01;
  15     __asm
  16         ("mthi  %0, $ac1\n\t"
  17          "mtlo  %1, $ac1\n\t"
  18          "dpaqx_s.w.ph $ac1, %3, %4\n\t"
  19          "mfhi  %0, $ac1\n\t"
  20          "mflo  %1, $ac1\n\t"
  21          "rddsp %2\n\t"
  22          : "+r"(ach), "+r"(acl), "=r"(dsp)
  23          : "r"(rs), "r"(rt)
  24         );
  25     dsp = (dsp >> 17) & 0x01;
  26     assert(dsp == resultdsp);
  27     assert(ach == resulth);
  28     assert(acl == resultl);
  29
  30     ach    = 5;
  31     acl    = 5;
  32     rs     = 0x00FF00FF;
  33     rt     = 0x00010002;
  34     resulth = 0x05;
  35     resultl = 0x05FF;
  36     /***********************************************************
  37      * Because of we set outflag at last time, although this
  38      * time we set nothing, but it is stay the last time value.
  39      **********************************************************/
  40     resultdsp = 0x01;
  41     __asm
  42         ("mthi  %0, $ac1\n\t"
  43          "mtlo  %1, $ac1\n\t"
  44          "dpaqx_s.w.ph $ac1, %3, %4\n\t"
  45          "mfhi  %0, $ac1\n\t"
  46          "mflo  %1, $ac1\n\t"
  47          "rddsp %2\n\t"
  48          : "+r"(ach), "+r"(acl), "=r"(dsp)
  49          : "r"(rs), "r"(rt)
  50         );
  51     dsp = (dsp >> 17) & 0x01;
  52     assert(dsp == resultdsp);
  53     assert(ach == resulth);
  54     assert(acl == resultl);
  55
  56     ach    = 5;
  57     acl    = 5;
  58     rs     = 0x800000FF;
  59     rt     = 0x00028000;
  60     resulth = 0x05;
  61     resultl = 0x80000400;
  62     resultdsp = 0x01;
  63     __asm
  64         ("mthi  %0, $ac1\n\t"
  65          "mtlo  %1, $ac1\n\t"
  66          "dpaqx_s.w.ph $ac1, %3, %4\n\t"
  67          "mfhi  %0, $ac1\n\t"
  68          "mflo  %1, $ac1\n\t"
  69          "rddsp %2\n\t"
  70          : "+r"(ach), "+r"(acl), "=r"(dsp)
  71          : "r"(rs), "r"(rt)
  72         );
  73     dsp = (dsp >> 17) & 0x01;
  74     assert(dsp == resultdsp);
  75     assert(ach == resulth);
  76     assert(acl == resultl);
  77
  78     return 0;
  79 }