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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long achi, acli;
   6     long long acho, aclo;
   7     long long reshi, reslo;
   8
   9     achi = 0x87654321;
  10     acli = 0x12345678;
  11
  12     reshi = 0xfffffffff8765432;
  13     reslo = 0x1234567;
  14
  15     __asm
  16         ("mthi %2, $ac1\n\t"
  17          "mtlo %3, $ac1\n\t"
  18          "dshilo $ac1, 0x4\n\t"
  19          "mfhi %0, $ac1\n\t"
  20          "mflo %1, $ac1\n\t"
  21          : "=r"(acho), "=r"(aclo)
  22          : "r"(achi), "r"(acli)
  23         );
  24
  25     if ((acho != reshi) || (aclo != reslo)) {
  26         printf("1 dshilo error\n");
  27         return -1;
  28     }
  29
  30     achi = 0x87654321;
  31     acli = 0x12345678;
  32
  33     reshi = 0x1234567;
  34     reslo = 0x00;
  35
  36     __asm
  37         ("mthi %2, $ac1\n\t"
  38          "mtlo %3, $ac1\n\t"
  39          "dshilo $ac1, -60\n\t"
  40          "mfhi %0, $ac1\n\t"
  41          "mflo %1, $ac1\n\t"
  42          : "=r"(acho), "=r"(aclo)
  43          : "r"(achi), "r"(acli)
  44         );
  45
  46     if ((acho != reshi) || (aclo != reslo)) {
  47         printf("2 dshilo error\n");
  48         return -1;
  49     }
  50
  51     return 0;
  52 }