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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs, ach, acl, dsp, pos, efi;
   6     long long result;
   7
   8     ach = 0x05;
   9     acl = 0xB4CB;
  10     dsp = 0x07;
  11     rs  = 0x03;
  12     result = 0x000C;
  13
  14     __asm
  15         ("wrdsp %1, 0x01\n\t"
  16          "mthi %2, $ac1\n\t"
  17          "mtlo %3, $ac1\n\t"
  18          "extpdpv %0, $ac1, %4\n\t"
  19          "rddsp %1\n\t"
  20          : "=r"(rt), "+r"(dsp)
  21          : "r"(ach), "r"(acl), "r"(rs)
  22         );
  23     pos =  dsp & 0x3F;
  24     efi = (dsp >> 14) & 0x01;
  25     if ((pos != 3) || (efi != 0) || (result != rt)) {
  26         printf("extpdpv wrong\n");
  27
  28         return -1;
  29     }
  30
  31     ach = 0x05;
  32     acl = 0xB4CB;
  33     dsp = 0x01;
  34
  35     __asm
  36         ("wrdsp %1, 0x01\n\t"
  37          "mthi %2, $ac1\n\t"
  38          "mtlo %3, $ac1\n\t"
  39          "extpdpv %0, $ac1, %4\n\t"
  40          "rddsp %1\n\t"
  41          : "=r"(rt), "+r"(dsp)
  42          : "r"(ach), "r"(acl), "r"(rs)
  43         );
  44     efi = (dsp >> 14) & 0x01;
  45     if (efi != 1) {
  46         printf("extpdpv wrong\n");
  47
  48         return -1;
  49     }
  50
  51     return 0;
  52 }