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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs, dsp;
   6     long long achi, acli;
   7     long long res, resdsp;
   8     int rsdsp;
   9
  10     rsdsp = 0xabcd1234;
  11     rs = 0x7;
  12
  13     achi = 0x12345678;
  14     acli = 0x87654321;
  15     res = 0xff;
  16     resdsp = 0x0;
  17
  18     __asm
  19         ("mthi %2, $ac1\n\t"
  20          "mtlo %3, $ac1\n\t"
  21          "wrdsp %4, 0x1\n\t"
  22          "wrdsp %4\n\t"
  23          "dextpv %0, $ac1, %5\n\t"
  24          "rddsp %1\n\t"
  25          : "=r"(rt), "=r"(dsp)
  26          : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
  27         );
  28     dsp = (dsp >> 14) & 0x1;
  29     if ((dsp != resdsp) || (rt != res)) {
  30         printf("dextpv error\n");
  31         return -1;
  32     }
  33
  34     rsdsp = 0xabcd1200;
  35     rs = 0x7;
  36
  37     achi = 0x12345678;
  38     acli = 0x87654321;
  39     resdsp = 0x1;
  40
  41     __asm
  42         ("mthi %2, $ac1\n\t"
  43          "mtlo %3, $ac1\n\t"
  44          "wrdsp %4, 0x1\n\t"
  45          "wrdsp %4\n\t"
  46          "dextpv %0, $ac1, %5\n\t"
  47          "rddsp %1\n\t"
  48          : "=r"(rt), "=r"(dsp)
  49          : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs)
  50         );
  51     dsp = (dsp >> 14) & 0x1;
  52     if (dsp != resdsp) {
  53         printf("dextpv error\n");
  54         return -1;
  55     }
  56
  57     return 0;
  58 }