gcc/gcc/testsuite/gcc.dg/store_merging_1.c

36 lines
499 B
C

/* { dg-do compile } */
/* { dg-require-effective-target store_merge } */
/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
struct bar {
int a;
char b;
char c;
char d;
char e;
char f;
char g;
};
void
foo1 (struct bar *p)
{
p->b = 0;
p->a = 0;
p->c = 0;
p->d = 0;
p->e = 0;
}
void
foo2 (struct bar *p)
{
p->b = 0;
p->a = 0;
p->c = 1;
p->d = 0;
p->e = 0;
}
/* { dg-final { scan-tree-dump-times "Merging successful" 2 "store-merging" } } */