1 /* { dg-do run { target m68k-*-* fido-*-* sparc-*-* } } */
2 /* { dg-options { -O2 } } */
3
4 extern void abort (void);
5
6 typedef float SFtype __attribute__ ((mode (SF)));
7 typedef float DFtype __attribute__ ((mode (DF)));
8
9 typedef int HItype __attribute__ ((mode (HI)));
10 typedef int SItype __attribute__ ((mode (SI)));
11 typedef int DItype __attribute__ ((mode (DI)));
12
13 typedef unsigned int UHItype __attribute__ ((mode (HI)));
14 typedef unsigned int USItype __attribute__ ((mode (SI)));
15 typedef unsigned int UDItype __attribute__ ((mode (DI)));
16
17 typedef UDItype fractype;
18 typedef USItype halffractype;
19 typedef DFtype FLO_type;
20 typedef DItype intfrac;
21
22
23 typedef union
24 {
25 long long foo;
26 FLO_type value;
27 struct
28 {
29 fractype fraction:52 __attribute__ ((packed));
30 unsigned int exp:11 __attribute__ ((packed));
31 unsigned int sign:1 __attribute__ ((packed));
32 }
33 bits;
34 } FLO_union_type;
35
36 void foo (long long a);
37 long long x;
38
39 void
40 pack_d ()
41 {
42 FLO_union_type dst = { 0x0123456789abcdefLL };
43
44 x = dst.bits.fraction;
45 }
46
47 int
48 main ()
49 {
50 pack_d ();
51 foo (x);
52 return 0;
53 }
54
55 void
56 foo (long long a)
57 {
58 if (a != 0x0123456789abcLL)
59 abort ();
60 }