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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs, ach, acl, dsp;
   6     long long result;
   7
   8     ach = 0x05;
   9     acl = 0xB4CB;
  10     dsp = 0x07;
  11     rs  = 0x03;
  12     result = 0x7FFFFFFF;
  13
  14     __asm
  15         ("wrdsp %1, 0x01\n\t"
  16          "mthi %3, $ac1\n\t"
  17          "mtlo %4, $ac1\n\t"
  18          "extrv_rs.w %0, $ac1, %2\n\t"
  19          "rddsp %1\n\t"
  20          : "=r"(rt), "+r"(dsp)
  21          : "r"(rs), "r"(ach), "r"(acl)
  22         );
  23     dsp = (dsp >> 23) & 0x01;
  24     if ((dsp != 1) || (result != rt)) {
  25         printf("1 extrv_rs.w wrong\n");
  26
  27         return -1;
  28     }
  29
  30     /* Clear dspcontrol */
  31     dsp = 0;
  32     __asm
  33         ("wrdsp %0\n\t"
  34          :
  35          : "r"(dsp)
  36         );
  37
  38     rs = 4;
  39     ach = 0x01;
  40     acl = 0xB4CB;
  41     result = 0x10000B4D;
  42     __asm
  43         ("wrdsp %1, 0x01\n\t"
  44          "mthi %3, $ac1\n\t"
  45          "mtlo %4, $ac1\n\t"
  46          "extrv_rs.w %0, $ac1, %2\n\t"
  47          "rddsp %1\n\t"
  48          : "=r"(rt), "+r"(dsp)
  49          : "r"(rs), "r"(ach), "r"(acl)
  50         );
  51     dsp = (dsp >> 23) & 0x01;
  52     if ((dsp != 0) || (result != rt)) {
  53         printf("2 extrv_rs.w wrong\n");
  54
  55         return -1;
  56     }
  57
  58     return 0;
  59 }