8sa1-gcc/gcc/testsuite/gcc.c-torture/execute/20000703-1.c
Jakub Jelinek f46ad0764a builtins.c (get_memory_rtx): Always put into alias set 0.
* builtins.c (get_memory_rtx): Always put into alias set 0.

	* gcc.c-torture/execute/20000703-1.c: New test.

From-SVN: r34849
2000-07-03 20:28:34 +02:00

40 lines
663 B
C

void abort(void);
void exit(int);
struct baz
{
char a[17];
char b[3];
unsigned int c;
unsigned int d;
};
void foo(struct baz *p, unsigned int c, unsigned int d)
{
__builtin_memcpy (p->b, "abc", 3);
p->c = c;
p->d = d;
}
void bar(struct baz *p, unsigned int c, unsigned int d)
{
({ void *s = (p);
__builtin_memset (s, '\0', sizeof (struct baz));
s; });
__builtin_memcpy (p->a, "01234567890123456", 17);
__builtin_memcpy (p->b, "abc", 3);
p->c = c;
p->d = d;
}
int main()
{
struct baz p;
foo(&p, 71, 18);
if (p.c != 71 || p.d != 18)
abort();
bar(&p, 59, 26);
if (p.c != 59 || p.d != 26)
abort();
exit(0);
}