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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt;
   6     long long dspi, dspo;
   7     long long result;
   8
   9     rs     = 0x10FF01FF;
  10     rt     = 0x10010001;
  11     dspi   = 0x00002000;
  12     result = 0x21000201;
  13     __asm
  14         ("wrdsp %3\n"
  15          "addwc %0, %1, %2\n\t"
  16          : "=r"(rd)
  17          : "r"(rs), "r"(rt), "r"(dspi)
  18         );
  19     if (rd != result) {
  20         printf("1 addwc wrong\n");
  21
  22         return -1;
  23     }
  24
  25     rs     = 0xFFFF1111;
  26     rt     = 0x00020001;
  27     dspi   = 0x00;
  28     result = 0x00011112;
  29     __asm
  30         ("wrdsp %3\n"
  31          "addwc %0, %1, %2\n\t"
  32          : "=r"(rd)
  33          : "r"(rs), "r"(rt), "r"(dspi)
  34         );
  35     if (rd != result) {
  36         printf("2 addwc wrong\n");
  37
  38         return -1;
  39     }
  40
  41     rs     = 0x8FFF1111;
  42     rt     = 0x80020001;
  43     dspi   = 0x00;
  44     result = 0x10011112;
  45     __asm
  46         ("wrdsp %4\n"
  47          "addwc %0, %2, %3\n\t"
  48          "rddsp %1\n\t"
  49          : "=r"(rd), "=r"(dspo)
  50          : "r"(rs), "r"(rt), "r"(dspi)
  51         );
  52     if ((rd != result) || (((dspo >> 20) & 0x01) != 1)) {
  53         printf("3 addwc wrong\n");
  54
  55         return -1;
  56     }
  57
  58     return 0;
  59 }