tests/tcg/mips/mips32-dsp/addu_s_qb.c

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rd, rs, rt;
   7     int dsp;
   8     int result;
   9
  10     rs     = 0x10FF01FF;
  11     rt     = 0x10010001;
  12     result = 0x20FF01FF;
  13     __asm
  14         ("addu_s.qb %0, %2, %3\n\t"
  15          "rddsp %1\n\t"
  16          : "=r"(rd), "=r"(dsp)
  17          : "r"(rs), "r"(rt)
  18         );
  19     assert(rd == result);
  20     assert(((dsp >> 20) & 0x1) == 1);
  21
  22     rs     = 0xFFFF1111;
  23     rt     = 0x00020001;
  24     result = 0xFFFF1112;
  25     __asm
  26         ("addu_s.qb %0, %2, %3\n\t"
  27          "rddsp %1\n\t"
  28          : "=r"(rd), "=r"(dsp)
  29          : "r"(rs), "r"(rt)
  30         );
  31     assert(rd == result);
  32     assert(((dsp >> 20) & 0x1) == 1);
  33
  34     return 0;
  35 }