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

   1#include "io.h"
   2
   3int main(void)
   4{
   5    long long rd, rs, rt, result, dspreg, dspresult;
   6    rs = 0x123456789ABCDEF0;
   7    rt = 0x123456789ABCDEF0;
   8    result = 0x0;
   9    dspresult = 0x0;
  10
  11    __asm
  12        ("subq_s.qh %0, %2, %3\n\t"
  13         "rddsp %1\n\t"
  14         : "=r"(rd), "=r"(dspreg)
  15         : "r"(rs), "r"(rt)
  16        );
  17    dspreg = (dspreg >> 20) & 0x1;
  18    if ((rd != result) || (dspreg != dspresult)) {
  19        printf("subq_s.qh error1\n");
  20
  21        return -1;
  22    }
  23
  24    rs = 0x4000000080000000;
  25    rt = 0x9FFD00009FFC0000;
  26    result =  0x7FFF0000E0040000;
  27    dspresult = 0x1;
  28
  29    __asm
  30        ("subq_s.qh %0, %2, %3\n\t"
  31         "rddsp %1\n\t"
  32         : "=r"(rd), "=r"(dspreg)
  33         : "r"(rs), "r"(rt)
  34        );
  35    dspreg = (dspreg >> 20) & 0x1;
  36    if ((rd != result) || (dspreg != dspresult)) {
  37        printf("subq_s.qh error2\n");
  38
  39        return -1;
  40    }
  41
  42    rs = 0x8000000000000000;
  43    rt = 0x7000000000000000;
  44    result =  0x8000000000000000;
  45    dspresult = 0x1;
  46    __asm
  47        ("subq_s.qh %0, %2, %3\n\t"
  48         "rddsp %1\n\t"
  49         : "=r"(rd), "=r"(dspreg)
  50         : "r"(rs), "r"(rt)
  51        );
  52
  53    dspreg = (dspreg >> 20) & 0x1;
  54    if ((rd != result) || (dspreg != dspresult)) {
  55        printf("subq_s.qh error3\n");
  56        return -1;
  57    }
  58
  59    return 0;
  60}
  61
  62