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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs;
   6     long long achi, acli;
   7     long long acho, aclo;
   8     long long resh, resl;
   9
  10     achi = 0x1;
  11     acli = 0x1;
  12
  13     rs = 0x0000000100000001;
  14     rt = 0x0000000200000002;
  15
  16     resh = 0x1;
  17     resl = 0x5;
  18     __asm
  19        ("mthi %2, $ac1 \t\n"
  20         "mtlo %3, $ac1 \t\n"
  21         "dmadd $ac1, %4, %5\t\n"
  22         "mfhi %0, $ac1 \t\n"
  23         "mflo %1, $ac1 \t\n"
  24         : "=r"(acho), "=r"(aclo)
  25         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
  26       );
  27     if ((acho != resh) || (aclo != resl)) {
  28         printf("1 dmadd error\n");
  29
  30         return -1;
  31     }
  32
  33     achi = 0x1;
  34     acli = 0x1;
  35
  36     rs = 0xaaaabbbbccccdddd;
  37     rt = 0xaaaabbbbccccdddd;
  38
  39     resh = 0x0000000000000000;
  40     resl = 0xffffffffca860b63;
  41
  42     __asm
  43        ("mthi %2, $ac1 \t\n"
  44         "mtlo %3, $ac1 \t\n"
  45         "dmadd $ac1, %4, %5\t\n"
  46         "mfhi %0, $ac1 \t\n"
  47         "mflo %1, $ac1 \t\n"
  48         : "=r"(acho), "=r"(aclo)
  49         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
  50       );
  51     if ((acho != resh) || (aclo != resl)) {
  52         printf("2 dmadd error\n");
  53
  54         return -1;
  55     }
  56     return 0;
  57 }