LXR qemu/tests/tcg/mips/mips64-dsp/subu

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rd, rs, rt, dsp;
   6    long long result, resultdsp;
   7
   8    rs = 0x12345678;
   9    rt = 0x87654321;
  10    result    = 0xFFFFFFFF8BCF1357;
  11    resultdsp = 0x01;
  12
  13    __asm
  14        ("subu.qb %0, %2, %3\n\t"
  15         "rddsp   %1\n\t"
  16         : "=r"(rd), "=r"(dsp)
  17         : "r"(rs), "r"(rt)
  18        );
  19    dsp = (dsp >> 20) & 0x01;
  20    if ((dsp != resultdsp) || (rd  != result)) {
  21        printf("subu.qb wrong\n");
  22
  23        return -1;
  24    }
  25
  26    return 0;
  27}
  28