[thirdparty/gcc.git] / gcc / testsuite / gcc.target / i386 / bitfield2.c

// Test for bitfield alignment in structs on IA-32
// { dg-do run }
// { dg-require-effective-target ia32 }
// { dg-options "-O2" }
// { dg-options "-mno-align-double -mno-ms-bitfields" { target i?86-*-cygwin* i?86-*-mingw* } }

extern void abort (void);
extern void exit (int);

struct X {
  char a;
  long long : 0;
  char b;
} x;

int main () {
  if (&x.b - &x.a != 4)
    abort ();
  if (sizeof (x) != 5)
    abort ();
  
  exit (0);
}
Commit	Line	Data
d0ff2db5	1	// Test for bitfield alignment in structs on IA-32
ac3b8691	2	// { dg-do run }
dbbb299a	3	// { dg-require-effective-target ia32 }
d0ff2db5	4	// { dg-options "-O2" }
ee2499b4	5	// { dg-options "-mno-align-double -mno-ms-bitfields" { target i?86--cygwin i?86--mingw } }
d0ff2db5 MM	6
	7	extern void abort (void);
	8	extern void exit (int);
	9
	10	struct X {
	11	char a;
	12	long long : 0;
	13	char b;
	14	} x;
	15
	16	int main () {
	17	if (&x.b - &x.a != 4)
	18	abort ();
	19	if (sizeof (x) != 5)
	20	abort ();
	21
	22	exit (0);
	23	}