/* Test permitted and invalid uses of __fpreg. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { 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 operation on '__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 operation on '__fpreg'" } */ fpreg = (d ? fpreg : d); /* { dg-error "invalid conversion to '__fpreg'" } */ fpreg *= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg /= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg %= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg += fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg -= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg <<= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg >>= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg &= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg ^= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ fpreg |= fpreg; /* { dg-error "invalid operation on '__fpreg'" } */ }