Viewing file:  rec_align-6.c (1.1 KB) -rw-r--r--
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/* Test AAPCS layout (alignment) for callee. */
/* { dg-do run { target aarch64*-*-* } } */
extern int memcmp (const void *s1, const void *s2, __SIZE_TYPE__ n);
extern void abort (void);
/* The underlying struct here has alignment 8. */
typedef struct __attribute__ ((__aligned__ (16)))
{
long x;
long y;
} overaligned;
overaligned a = { 2, 3 };
overaligned b = { 5, 8 };
overaligned c = { 13, 21 };
void
test_passing_overaligned_struct (int x0, overaligned x1, int x3, int x4,
overaligned x5, int x7, int stack,
overaligned stack8)
{
if (x0 != 7 || x3 != 9 || x4 != 11 || x7 != 15 || stack != 10)
abort ();
if (memcmp ((void *) &x1, (void *)&a, sizeof (overaligned)))
abort ();
if (memcmp ((void *) &x5, (void *)&b, sizeof (overaligned)))
abort ();
if (memcmp ((void *)&stack8, (void *)&c, sizeof (overaligned)))
abort ();
long addr = ((long) &stack8) & 15;
if (addr != 0)
{
__builtin_printf ("Alignment was %d\n", addr);
abort ();
}
}
int
main (int argc, char **argv)
{
test_passing_overaligned_struct (7, a, 9, 11, b, 15, 10, c);
return 0;
}
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