gcc/testsuite/consistency.vlad/layout/f-21-5-26.c


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

#include <stdio.h>

struct sss{
  int i1:21;
  int i2:5;
  int i3:26;
};

static union u{
  struct sss sss;
  unsigned char a[sizeof (struct sss)];
} u;

int main (void) {
  int i;
  for (i = 0; i < sizeof (struct sss); i++)
    u.a[i] = 0;
  u.sss.i1 = 2097151.0;
  for (i = 0; i < sizeof (struct sss); i++)
    printf ("%x ", u.a[i]);
  printf ("\n");
  u.sss.i2 = 31.0;
  for (i = 0; i < sizeof (struct sss); i++)
    printf ("%x ", u.a[i]);
  printf ("\n");
  u.sss.i3 = 67108863.0;
  for (i = 0; i < sizeof (struct sss); i++)
    printf ("%x ", u.a[i]);
  printf ("\n");
  return 0;
}