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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, dsp;
   6     long long achi, acli;
   7     long long res, resdsp;
   8
   9     achi = 0x87654321;
  10     acli = 0x12345678;
  11
  12     res = 0x123456;
  13     resdsp = 0x01;
  14
  15     __asm
  16         ("mthi %2, $ac1\n\t"
  17          "mtlo %3, $ac1\n\t"
  18          "dextr_r.w %0, $ac1, 0x8\n\t"
  19          "rddsp %1\n\t"
  20          : "=r"(rt), "=r"(dsp)
  21          : "r"(achi), "r"(acli)
  22         );
  23
  24     dsp = (dsp >> 23) & 0x1;
  25
  26     if ((dsp != resdsp) || (rt != res)) {
  27         printf("dextr_r.w error\n");
  28         return -1;
  29     }
  30
  31     achi = 0x87654321;
  32     acli = 0x12345678;
  33
  34     res = 0x12345678;
  35     resdsp = 0x01;
  36
  37     __asm
  38         ("mthi %2, $ac1\n\t"
  39          "mtlo %3, $ac1\n\t"
  40          "dextr_r.w %0, $ac1, 0x0\n\t"
  41          "rddsp %1\n\t"
  42          : "=r"(rt), "=r"(dsp)
  43          : "r"(achi), "r"(acli)
  44         );
  45
  46     dsp = (dsp >> 23) & 0x1;
  47
  48     if ((dsp != resdsp) || (rt != res)) {
  49         printf("dextr_r.w error\n");
  50         return -1;
  51     }
  52
  53     return 0;
  54 }