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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long achi, acli, rs;
   6     long long acho, aclo;
   7     long long reshi, reslo;
   8
   9     achi = 0x87654321;
  10     acli = 0x12345678;
  11     rs = 0x4;
  12
  13     reshi = 0xfffffffff8765432;
  14     reslo = 0x1234567;
  15
  16     __asm
  17         ("mthi %2, $ac1\n\t"
  18          "mtlo %3, $ac1\n\t"
  19          "dshilov $ac1, %4\n\t"
  20          "mfhi %0, $ac1\n\t"
  21          "mflo %1, $ac1\n\t"
  22          : "=r"(acho), "=r"(aclo)
  23          : "r"(achi), "r"(acli), "r"(rs)
  24         );
  25
  26     if ((acho != reshi) || (aclo != reslo)) {
  27         printf("dshilov error\n");
  28         return -1;
  29     }
  30
  31     rs = 0x44;
  32     achi = 0x87654321;
  33     acli = 0x12345678;
  34
  35     reshi = 0x1234567;
  36     reslo = 0x00;
  37
  38     __asm
  39         ("mthi %2, $ac1\n\t"
  40          "mtlo %3, $ac1\n\t"
  41          "dshilov $ac1, %4\n\t"
  42          "mfhi %0, $ac1\n\t"
  43          "mflo %1, $ac1\n\t"
  44          : "=r"(acho), "=r"(aclo)
  45          : "r"(achi), "r"(acli), "r"(rs)
  46         );
  47
  48     if ((acho != reshi) || (aclo != reslo)) {
  49         printf("dshilov error\n");
  50         return -1;
  51     }
  52
  53     return 0;
  54 }