1  /* Test AAPCS layout (alignment).  */
       2  
       3  /* { dg-do run { target aarch64*-*-* } } */
       4  
       5  #ifndef IN_FRAMEWORK
       6  #define TESTFILE "test_align-9.c"
       7  
       8  struct s
       9    {
      10      /* This forces the alignment and size of the struct to 16.  */
      11      __attribute__ ((__aligned__ (16))) long x;
      12      int y;
      13      /* 4 bytes padding.  */
      14    };
      15  
      16  typedef struct s __attribute__ ((__aligned__ (8))) underaligned;
      17  
      18  #define EXPECTED_STRUCT_SIZE 16
      19  extern void link_failure (void);
      20  int
      21  foo ()
      22  {
      23    /* Optimization gets rid of this before linking.  */
      24    if (sizeof (struct s) != EXPECTED_STRUCT_SIZE)
      25      link_failure ();
      26  }
      27  
      28  underaligned a = { 1, 4 };
      29  underaligned b = { 9, 16 };
      30  underaligned c = { 25, 36 };
      31  
      32  #include "abitest.h"
      33  #else
      34    ARG (int, 3, W0)
      35    /* Object alignment is 16, so skip X1.  */
      36    ARG (underaligned, a, X2)
      37    ARG (int, 5, W4)
      38    /* Object alignment is 16, so skip X5.  */
      39    ARG (underaligned, b, X6)
      40  #ifndef __AAPCS64_BIG_ENDIAN__
      41    ARG (int, 7, STACK)
      42  #else
      43    ARG (int, 7, STACK + 4)
      44  #endif
      45    /* Natural alignment should be 16.  */
      46    LAST_ARG (underaligned, c, STACK + 16)
      47  #endif