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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rs, ach, acl, dsp;
   6     long long result, resulth, resultl;
   7
   8     dsp = 0x07;
   9     ach = 0x05;
  10     acl = 0xB4CB;
  11     rs  = 0x00FFBBAA;
  12     resulth = 0xB4CB;
  13     resultl = 0x00FFBBAA;
  14     result  = 0x27;
  15
  16     __asm
  17         ("wrdsp %0, 0x01\n\t"
  18          "mthi %1, $ac1\n\t"
  19          "mtlo %2, $ac1\n\t"
  20          "mthlip %3, $ac1\n\t"
  21          "mfhi %1, $ac1\n\t"
  22          "mflo %2, $ac1\n\t"
  23          "rddsp %0\n\t"
  24          : "+r"(dsp), "+r"(ach), "+r"(acl)
  25          : "r"(rs)
  26         );
  27     dsp = dsp & 0x3F;
  28     if ((dsp != result) || (ach != resulth) || (acl != resultl)) {
  29         printf("mthlip wrong\n");
  30
  31         return -1;
  32     }
  33
  34     dsp = 0x3f;
  35     ach = 0x05;
  36     acl = 0xB4CB;
  37     rs  = 0x00FFBBAA;
  38     resulth = 0xB4CB;
  39     resultl = 0x00FFBBAA;
  40     result  = 0x3f;
  41
  42     __asm
  43         ("wrdsp %0, 0x01\n\t"
  44          "mthi %1, $ac1\n\t"
  45          "mtlo %2, $ac1\n\t"
  46          "mthlip %3, $ac1\n\t"
  47          "mfhi %1, $ac1\n\t"
  48          "mflo %2, $ac1\n\t"
  49          "rddsp %0\n\t"
  50          : "+r"(dsp), "+r"(ach), "+r"(acl)
  51          : "r"(rs)
  52         );
  53     dsp = dsp & 0x3F;
  54     if ((dsp != result) || (ach != resulth) || (acl != resultl)) {
  55         printf("mthlip wrong\n");
  56
  57         return -1;
  58     }
  59
  60     return 0;
  61 }