gcc/testsuite/gcc.target/aarch64/aapcs64/test_align-7.c

/* Test AAPCS layout (alignment).  */

/* { dg-do run { target aarch64*-*-* } } */

#ifndef IN_FRAMEWORK
#define TESTFILE "test_align-7.c"

struct s
  {
    long long x;
    long long y;
  };

/* This still has size 16, so is still passed by value.  */
typedef __attribute__ ((__aligned__ (32))) struct s overaligned;

/* A few structs, at 32-byte-aligned memory locations.  */
overaligned a = { 2, 3 };
overaligned b = { 5, 8 };
overaligned c = { 13, 21 };

#include "abitest.h"
#else
  ARG (int, 7, W0)
  /* Alignment should be 8.  */
  ARG (overaligned, a, X1)
  ARG (int, 9, W3)
  ARG (int, 11, W4)
  ARG (overaligned, b, X5)
  ARG (int, 15, W7)
#ifndef __AAPCS64_BIG_ENDIAN__
  ARG (int, 10, STACK)
#else
  ARG (int, 10, STACK + 4)
#endif
  /* Natural alignment should be 8.  */
  LAST_ARG (overaligned, c, STACK + 8)
#endif