gcc/testsuite/gcc.dg/torture/stackalign/ret-struct-1.c

/* { dg-do run } */
/* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } } */
/* { dg-skip-if "Stack alignment causes use of alloca" { nvptx-*-* } } */

#include "check.h"

#ifndef ALIGNMENT
#define ALIGNMENT       64
#endif

extern void abort();
typedef struct my_struct
{
	char str[31];
} stype ;

stype g_s;

stype __attribute__((noinline))
foo (char arg1, char arg2, char arg3)
{
	stype __attribute__((aligned(ALIGNMENT))) s;
	s.str[0] = arg1;
	s.str[1] = arg2;
	s.str[30] = arg3;
	check(&s, ALIGNMENT);
	return s;
}

int main()
{
	g_s = foo(1,2,3);

	if (g_s.str[0] != 1 || g_s.str[1] != 2 || g_s.str[30] !=3)
	  abort();
	return 0;
}