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
f(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 }
83