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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt, result, dspreg, dspresult;
   6     rt = 0x9FFFFFFD9FFFFFFD;
   7     rs = 0x4000000080000000;
   8     result = 0x7fffffffe0000003;
   9     dspresult = 0x1;
  10
  11     __asm
  12         ("subq_s.pw %0, %2, %3\n\t"
  13          "rddsp %1\n\t"
  14          : "=r"(rd), "=r"(dspreg)
  15          : "r"(rs), "r"(rt)
  16         );
  17     dspreg = (dspreg >> 20) & 0x1;
  18     if ((rd != result) || (dspreg != dspresult)) {
  19         printf("subq_s.pw error1\n");
  20
  21         return -1;
  22     }
  23
  24     rt = 0x123456789ABCDEF1;
  25     rs = 0x123456789ABCDEF2;
  26     result =  0x0000000000000001;
  27     /* This time we do not set dspctrl, but it setted in pre-action. */
  28     dspresult = 0x1;
  29
  30     __asm
  31         ("subq_s.pw %0, %2, %3\n\t"
  32          "rddsp %1\n\t"
  33          : "=r"(rd), "=r"(dspreg)
  34          : "r"(rs), "r"(rt)
  35         );
  36     dspreg = (dspreg >> 20) & 0x1;
  37     if ((rd != result) || (dspreg != dspresult)) {
  38         printf("subq_s.pw error2\n");
  39
  40         return -1;
  41     }
  42
  43     rt = 0x8000000080000000;
  44     rs = 0x7000000070000000;
  45     dspresult = 0x1;
  46
  47     __asm
  48         ("subq_s.pw %0, %2, %3\n\t"
  49          "rddsp %1\n\t"
  50          : "=r"(rd), "=r"(dspreg)
  51          : "r"(rs), "r"(rt)
  52         );
  53
  54     dspreg = (dspreg >> 20) & 0x1;
  55     if ((dspreg != dspresult)) {
  56         printf("subq_s.pw error3\n");
  57
  58         return -1;
  59     }
  60
  61     return 0;
  62 }
  63