tests/tcg/mips/mips32-dsp/addwc.c

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