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/* { dg-do run } */
/* { dg-require-effective-target store_merge } */
/* { dg-options "-O2 -fdump-tree-store-merging" } */
/* Check that we can widen accesses to bitfields. */
struct bar {
int a : 3;
unsigned char b : 4;
unsigned char c : 1;
char d;
char e;
char f;
char g;
};
__attribute__ ((noinline)) void
foozero (struct bar *p)
{
p->b = 0;
p->a = 0;
p->c = 0;
p->d = 0;
p->e = 0;
p->f = 0;
p->g = 0;
}
__attribute__ ((noinline)) void
foo1 (struct bar *p)
{
p->b = 3;
p->a = 2;
p->c = 1;
p->d = 4;
p->e = 5;
}
int
main (void)
{
struct bar p;
foozero (&p);
foo1 (&p);
if (p.a != 2 || p.b != 3 || p.c != 1 || p.d != 4 || p.e != 5
|| p.f != 0 || p.g != 0)
__builtin_abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "Merging successful" 2 "store-merging" } } */
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