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

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt, result, dspreg, dspresult;
   6     rs = 0x123456789ABCDEF0;
   7     rt = 0x123456789ABCDEF0;
   8     result = 0x0;
   9     dspresult = 0x0;
  10
  11     __asm
  12         ("subq_s.qh %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.qh error1\n");
  20
  21         return -1;
  22     }
  23
  24     rs = 0x4000000080000000;
  25     rt = 0x9FFD00009FFC0000;
  26     result =  0x7FFF0000E0040000;
  27     dspresult = 0x1;
  28
  29     __asm
  30         ("subq_s.qh %0, %2, %3\n\t"
  31          "rddsp %1\n\t"
  32          : "=r"(rd), "=r"(dspreg)
  33          : "r"(rs), "r"(rt)
  34         );
  35     dspreg = (dspreg >> 20) & 0x1;
  36     if ((rd != result) || (dspreg != dspresult)) {
  37         printf("subq_s.qh error2\n");
  38
  39         return -1;
  40     }
  41
  42     rs = 0x8000000000000000;
  43     rt = 0x7000000000000000;
  44     result =  0x8000000000000000;
  45     dspresult = 0x1;
  46     __asm
  47         ("subq_s.qh %0, %2, %3\n\t"
  48          "rddsp %1\n\t"
  49          : "=r"(rd), "=r"(dspreg)
  50          : "r"(rs), "r"(rt)
  51         );
  52
  53     dspreg = (dspreg >> 20) & 0x1;
  54     if ((rd != result) || (dspreg != dspresult)) {
  55         printf("subq_s.qh error3\n");
  56         return -1;
  57     }
  58
  59     return 0;
  60 }
  61