File: bf-spl1.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (60 lines) | stat: -rw-r--r-- 1,158 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/* { dg-do run { target m68k-*-* fido-*-* sparc-*-* } } */
/* { dg-options { -O2 } } */

extern void abort (void);

typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));

typedef int HItype __attribute__ ((mode (HI)));
typedef int SItype __attribute__ ((mode (SI)));
typedef int DItype __attribute__ ((mode (DI)));

typedef unsigned int UHItype __attribute__ ((mode (HI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));

typedef UDItype fractype;
typedef USItype halffractype;
typedef DFtype FLO_type;
typedef DItype intfrac;


typedef union
{
  long long foo;
  FLO_type value;
  struct
    {
      fractype fraction:52 __attribute__ ((packed));
      unsigned int exp:11 __attribute__ ((packed));
      unsigned int sign:1 __attribute__ ((packed));
    }
  bits;
} FLO_union_type;

void foo (long long a);
long long x; 

void
pack_d ()
{
  FLO_union_type dst = { 0x0123456789abcdefLL };

  x = dst.bits.fraction;
}

int
main ()
{
  pack_d ();
  foo (x);
  return 0;
}

void
foo (long long a)
{
  if (a != 0x0123456789abcLL)
    abort ();
}