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
pack_d()40 pack_d ()
41 {
42   FLO_union_type dst = { 0x0123456789abcdefLL };
43 
44   x = dst.bits.fraction;
45 }
46 
47 int
main()48 main ()
49 {
50   pack_d ();
51   foo (x);
52   return 0;
53 }
54 
55 void
foo(long long a)56 foo (long long a)
57 {
58   if (a != 0x0123456789abcLL)
59     abort ();
60 }
61