tests/tcg/mips/mips64-dspr2/subu_s_qh.c

   1 #include "io.h"
   2
   3 int main(void)
   4 {
   5     long long rd, rs, rt, dspreg, result, dspresult;
   6     rs = 0x1111111111111111;
   7     rt = 0x2222222222222222;
   8     result = 0x1111111111111111;
   9     dspresult = 0x00;
  10
  11     __asm("subu_s.qh %0, %2, %3\n\t"
  12           "rddsp %1\n\t"
  13           : "=r"(rd), "=r"(dspreg)
  14           : "r"(rs), "r"(rt)
  15          );
  16
  17     dspreg = ((dspreg >> 20) & 0x01);
  18     if ((rd != result) || (dspreg != dspresult)) {
  19         printf("subu_s.qh error\n\t");
  20         return -1;
  21     }
  22
  23
  24     rs = 0x8888888888888888;
  25     rt = 0xa888a888a888a888;
  26     result = 0x0000000000000000;
  27     dspresult = 0x01;
  28
  29     __asm("subu_s.qh %0, %2, %3\n\t"
  30           "rddsp %1\n\t"
  31           : "=r"(rd), "=r"(dspreg)
  32           : "r"(rs), "r"(rt)
  33          );
  34
  35     dspreg = ((dspreg >> 20) & 0x01);
  36     if ((rd != result) || (dspreg != dspresult)) {
  37         printf("subu_s.qh error\n\t");
  38         return -1;
  39     }
  40
  41     return 0;
  42 }