gcc/testsuite/gcc.target/ia64/fpreg-1.c

   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 }