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// Test permitted and invalid uses of __fpreg, for C++.
// Origin: Joseph Myers <joseph@codesourcery.com>
// { 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" }
}
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