1  /* Test permitted and invalid uses of __fpreg.  */
       2  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       3  /* { dg-do compile } */
       4  /* { dg-options "" } */
       5  
       6  __float80 f80;
       7  double d;
       8  /* Default initialized __fpreg is OK.  */
       9  __fpreg fpreg, fpreg2;
      10  /* But explicitly zero-initialized is an invalid conversion.  */
      11  __fpreg fi = 0; /* { dg-error "invalid conversion to '__fpreg'" } */
      12  
      13  __fpreg f0 (__fpreg);
      14  int f1 (__float80);
      15  
      16  /* __fpreg in a structure is OK.  */
      17  struct s {
      18    __float80 b;
      19    __fpreg a;
      20  } x;
      21  
      22  void
      23  f (void)
      24  {
      25    __fpreg *p;
      26    /* Valid operations.  */
      27    fpreg = fpreg2;
      28    fpreg2 = (__fpreg) fpreg;
      29    fpreg = f0 (fpreg2);
      30    fpreg = +fpreg2;
      31    p = &fpreg;
      32    (void) fpreg;
      33    fpreg = x.a;
      34    fpreg2 = (struct s) { 0 }.a;
      35    fpreg = (d ? fpreg : fpreg2);
      36    d = sizeof (fpreg);
      37    (void)(fpreg, fpreg);
      38    /* Invalid operations.  */
      39    ++fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      40    --fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      41    fpreg++; /* { dg-error "invalid operation on '__fpreg'" } */
      42    fpreg--; /* { dg-error "invalid operation on '__fpreg'" } */
      43    fpreg = -fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      44    fpreg = ~fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      45    d = !fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      46    d = *fpreg; /* { dg-error "invalid type argument" } */
      47    if (fpreg) /* { dg-error "invalid operation on '__fpreg'" } */
      48      return;
      49    d = fpreg; /* { dg-error "invalid conversion from '__fpreg'" } */
      50    d = (double) fpreg; /* { dg-error "invalid conversion from '__fpreg'" } */
      51    fpreg = (__fpreg) d; /* { dg-error "invalid conversion to '__fpreg'" } */
      52    fpreg = fpreg * fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      53    fpreg = fpreg / fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      54    fpreg = fpreg % fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      55    fpreg = fpreg + fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      56    fpreg = fpreg - fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      57    fpreg = fpreg << fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      58    fpreg = fpreg >> fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      59    d = fpreg < fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      60    d = fpreg > fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      61    d = fpreg <= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      62    d = fpreg >= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      63    d = fpreg == fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      64    d = fpreg != fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      65    d = fpreg & fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      66    d = fpreg ^ fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      67    d = fpreg | fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      68    d = fpreg && fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      69    d = fpreg || fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      70    d = (fpreg ? 1 : 2); /* { dg-error "invalid operation on '__fpreg'" } */
      71    fpreg = (d ? fpreg : d); /* { dg-error "invalid conversion to '__fpreg'" } */
      72    fpreg *= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      73    fpreg /= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      74    fpreg %= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      75    fpreg += fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      76    fpreg -= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      77    fpreg <<= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      78    fpreg >>= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      79    fpreg &= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      80    fpreg ^= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      81    fpreg |= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */
      82  }