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// Test permitted and invalid uses of __fpreg, for C++.

// Origin: Joseph Myers 

// { dg-do compile { target ia64-*-* } }

// { dg-options "" }

__float80 f80;

double d;

// Default initialized __fpreg is OK.

__fpreg fpreg, fpreg2;

// But explicitly zero-initialized is an invalid conversion.

__fpreg fi = 0; // { dg-error "invalid conversion to '__fpreg'" }

__fpreg f0 (__fpreg);

int f1 (__float80);

// __fpreg in a structure is OK.

struct s {

  __float80 b;

  __fpreg a;

} x;

void

f (void)

{

  __fpreg *p;

  // Valid operations.

  fpreg = fpreg2;

  fpreg2 = (__fpreg) fpreg;

  fpreg = f0 (fpreg2);

  fpreg = +fpreg2;

  p = &fpreg;

  (void) fpreg;

  fpreg = x.a;

  fpreg2 = (struct s) { 0 }.a;

  fpreg = (d ? fpreg : fpreg2);

  d = sizeof (fpreg);

  (void)(fpreg, fpreg);

  // Invalid operations.

  ++fpreg; // { dg-error "invalid operation on '__fpreg'" }

  --fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg++; // { dg-error "invalid operation on '__fpreg'" }

  fpreg--; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = -fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = ~fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = !fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = *fpreg; // { dg-error "invalid type argument" }

  if (fpreg) // { dg-error "invalid conversion from '__fpreg'" }

    return;

  d = fpreg; // { dg-error "invalid conversion from '__fpreg'" }

  d = (double) fpreg; // { dg-error "invalid conversion from '__fpreg'" }

  fpreg = (__fpreg) d; // { dg-error "invalid conversion to '__fpreg'" }

  fpreg = fpreg * fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg / fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg % fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg + fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg - fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg << fpreg; // { dg-error "invalid operation on '__fpreg'" }

  fpreg = fpreg >> fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg < fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg > fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg <= fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg >= fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg == fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg != fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg & fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg ^ fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg | fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg && fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = fpreg || fpreg; // { dg-error "invalid operation on '__fpreg'" }

  d = (fpreg ? 1 : 2); // { dg-error "invalid conversion from '__fpreg'" }

  fpreg = (d ? fpreg : d); // { dg-error "invalid conversion to '__fpreg'" }

  fpreg *= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg /= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg %= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg += fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg -= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg <<= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg >>= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg &= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg ^= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

  fpreg |= fpreg; // { dg-error "invalid operation on '__fpreg'|in evaluation" }

}