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

   1 #include<stdio.h>
   2 #include<assert.h>
   3
   4 int main()
   5 {
   6     int rd, rs, rt, dsp;
   7     int result, resultdsp;
   8
   9     rs = 0x77777777;
  10     rt = 0x67654321;
  11     result    = 0x10123456;
  12     resultdsp = 0x0;
  13
  14     __asm
  15         ("subq.ph %0, %2, %3\n\t"
  16          "rddsp %1\n\t"
  17          : "=r"(rd), "=r"(dsp)
  18          : "r"(rs), "r"(rt)
  19         );
  20     dsp = (dsp >> 20) & 0x01;
  21     assert(dsp == resultdsp);
  22     assert(rd  == result);
  23
  24     rs = 0x12345678;
  25     rt = 0x87654321;
  26     result    = 0x8ACF1357;
  27     resultdsp = 0x01;
  28
  29     __asm
  30         ("subq.ph %0, %2, %3\n\t"
  31          "rddsp %1\n\t"
  32          : "=r"(rd), "=r"(dsp)
  33          : "r"(rs), "r"(rt)
  34         );
  35     dsp = (dsp >> 20) & 0x01;
  36     assert(dsp == resultdsp);
  37     assert(rd  == result);
  38
  39     return 0;
  40 }