tests/tcg/mips/mips64-dsp/extr_s_h.c

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, ach, acl, dsp;
   6     long long result;
   7
   8     ach = 0x05;
   9     acl = 0xB4CB;
  10     result = 0x00007FFF;
  11     __asm
  12         ("mthi %2, $ac1\n\t"
  13          "mtlo %3, $ac1\n\t"
  14          "extr_s.h %0, $ac1, 0x03\n\t"
  15          "rddsp %1\n\t"
  16          : "=r"(rt), "=r"(dsp)
  17          : "r"(ach), "r"(acl)
  18         );
  19     dsp = (dsp >> 23) & 0x01;
  20     if ((dsp != 1) || (result != rt)) {
  21         printf("extr_s.h wrong\n");
  22
  23         return -1;
  24     }
  25
  26     ach = 0xffffffff;
  27     acl = 0x12344321;
  28     result = 0xffffffffFFFF8000;
  29     __asm
  30         ("mthi %2, $ac1\n\t"
  31          "mtlo %3, $ac1\n\t"
  32          "extr_s.h %0, $ac1, 0x08\n\t"
  33          "rddsp %1\n\t"
  34          : "=r"(rt), "=r"(dsp)
  35          : "r"(ach), "r"(acl)
  36         );
  37     dsp = (dsp >> 23) & 0x01;
  38     if ((dsp != 1) || (result != rt)) {
  39         printf("extr_s.h wrong\n");
  40
  41         return -1;
  42     }
  43
  44     /* Clear dsp */
  45     dsp = 0;
  46     __asm
  47         ("wrdsp %0\n\t"
  48          :
  49          : "r"(dsp)
  50         );
  51
  52     ach = 0x00;
  53     acl = 0x4321;
  54     result = 0x432;
  55     __asm
  56         ("mthi %2, $ac1\n\t"
  57          "mtlo %3, $ac1\n\t"
  58          "extr_s.h %0, $ac1, 0x04\n\t"
  59          "rddsp %1\n\t"
  60          : "=r"(rt), "=r"(dsp)
  61          : "r"(ach), "r"(acl)
  62         );
  63     dsp = (dsp >> 23) & 0x01;
  64     if ((dsp != 0) || (result != rt)) {
  65         printf("extr_s.h wrong\n");
  66
  67         return -1;
  68     }
  69
  70     return 0;
  71 }