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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rt, rs, ach, acl, dsp;
   6     long long result;
   7
   8     ach = 0x05;
   9     acl = 0xB4CB;
  10     dsp = 0x07;
  11     rs  = 0x03;
  12     result = 0x00007FFF;
  13
  14     __asm
  15         ("wrdsp %1, 0x01\n\t"
  16          "mthi %3, $ac1\n\t"
  17          "mtlo %4, $ac1\n\t"
  18          "extrv_s.h %0, $ac1, %2\n\t"
  19          "rddsp %1\n\t"
  20          : "=r"(rt), "+r"(dsp)
  21          : "r"(rs), "r"(ach), "r"(acl)
  22         );
  23     dsp = (dsp >> 23) & 0x01;
  24     if ((dsp != 1) || (result != rt)) {
  25         printf("extrv_s.h wrong\n");
  26
  27         return -1;
  28     }
  29
  30     rs = 0x08;
  31     ach = 0xffffffff;
  32     acl = 0x12344321;
  33     result = 0xffffffffFFFF8000;
  34     __asm
  35         ("wrdsp %1, 0x01\n\t"
  36          "mthi %3, $ac1\n\t"
  37          "mtlo %4, $ac1\n\t"
  38          "extrv_s.h %0, $ac1, %2\n\t"
  39          "rddsp %1\n\t"
  40          : "=r"(rt), "+r"(dsp)
  41          : "r"(rs), "r"(ach), "r"(acl)
  42         );
  43     dsp = (dsp >> 23) & 0x01;
  44     if ((dsp != 1) || (result != rt)) {
  45         printf("extrv_s.h wrong\n");
  46
  47         return -1;
  48     }
  49
  50     /* Clear dsp */
  51     dsp = 0;
  52     __asm
  53         ("wrdsp %0\n\t"
  54          :
  55          : "r"(dsp)
  56         );
  57
  58     rs = 0x04;
  59     ach = 0x00;
  60     acl = 0x4321;
  61     result = 0x432;
  62     __asm
  63         ("wrdsp %1, 0x01\n\t"
  64          "mthi %3, $ac1\n\t"
  65          "mtlo %4, $ac1\n\t"
  66          "extrv_s.h %0, $ac1, %2\n\t"
  67          "rddsp %1\n\t"
  68          : "=r"(rt), "+r"(dsp)
  69          : "r"(rs), "r"(ach), "r"(acl)
  70         );
  71     dsp = (dsp >> 23) & 0x01;
  72     if ((dsp != 0) || (result != rt)) {
  73         printf("extrv_s.h wrong\n");
  74
  75         return -1;
  76     }
  77
  78     return 0;
  79 }