tests/tcg/mips/mips32-dspr2/absq_s_qb.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int input, result, dsp;
   7     int hope;
   8
   9     input = 0x701BA35E;
  10     hope  = 0x701B5D5E;
  11
  12     __asm
  13         ("absq_s.qb %0, %1\n\t"
  14          : "=r"(result)
  15          : "r"(input)
  16         );
  17     assert(result == hope);
  18
  19
  20     input = 0x801BA35E;
  21     hope  = 0x7F1B5D5E;
  22
  23     __asm
  24         ("absq_s.qb %0, %2\n\t"
  25          "rddsp %1\n\t"
  26          : "=r"(result), "=r"(dsp)
  27          : "r"(input)
  28         );
  29     dsp = dsp >> 20;
  30     dsp &= 0x01;
  31     assert(dsp == 1);
  32     assert(result == hope);
  33
  34     return 0;
  35 }