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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt;
   6     long long achi, acli;
   7     long long res;
   8
   9     achi = 0x87654321;
  10     acli = 0x12345678;
  11
  12     res = 0x123456;
  13
  14     __asm
  15         ("mthi %1, $ac1\n\t"
  16          "mtlo %2, $ac1\n\t"
  17          "dextr.w %0, $ac1, 0x8\n\t"
  18          : "=r"(rt)
  19          : "r"(achi), "r"(acli)
  20         );
  21     if (rt != res) {
  22         printf("dextr.w error\n");
  23         return -1;
  24     }
  25
  26     achi = 0x87654321;
  27     acli = 0x12345678;
  28
  29     res = 0x12345678;
  30
  31     __asm
  32         ("mthi %1, $ac1\n\t"
  33          "mtlo %2, $ac1\n\t"
  34          "dextr.w %0, $ac1, 0x0\n\t"
  35          : "=r"(rt)
  36          : "r"(achi), "r"(acli)
  37         );
  38     if (rt != res) {
  39         printf("dextr.w error\n");
  40         return -1;
  41     }
  42
  43     return 0;
  44 }