github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/testsuite/libffi.call/cls_align_longdouble_split.c (about)

     1  /* Area:	ffi_call, closure_call
     2     Purpose:	Check structure alignment of long double.
     3     Limitations:	none.
     4     PR:		none.
     5     Originator:	<hos@tamanegi.org> 20031203	 */
     6  
     7  /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
     8  /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
     9  
    10  #include "ffitest.h"
    11  
    12  typedef struct cls_struct_align {
    13    long double a;
    14    long double b;
    15    long double c;
    16    long double d;
    17    long double e;
    18    long double f;
    19    long double g;
    20  } cls_struct_align;
    21  
    22  cls_struct_align cls_struct_align_fn(
    23  	cls_struct_align	a1,
    24  	cls_struct_align	a2)
    25  {
    26  	struct cls_struct_align r;
    27  
    28  	r.a = a1.a + a2.a;
    29  	r.b = a1.b + a2.b;
    30  	r.c = a1.c + a2.c;
    31  	r.d = a1.d + a2.d;
    32  	r.e = a1.e + a2.e;
    33  	r.f = a1.f + a2.f;
    34  	r.g = a1.g + a2.g;
    35  
    36  	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
    37  		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
    38  		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
    39  		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
    40  		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
    41  
    42  	return r;
    43  }
    44  
    45  cls_struct_align cls_struct_align_fn2(
    46  	cls_struct_align	a1)
    47  {
    48  	struct cls_struct_align r;
    49  
    50  	r.a = a1.a + 1;
    51  	r.b = a1.b + 1;
    52  	r.c = a1.c + 1;
    53  	r.d = a1.d + 1;
    54  	r.e = a1.e + 1;
    55  	r.f = a1.f + 1;
    56  	r.g = a1.g + 1;
    57  
    58  	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
    59  		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
    60  		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
    61  		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
    62  
    63  	return r;
    64  }
    65  
    66  static void
    67  cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
    68  		    void* userdata __UNUSED__)
    69  {
    70  	struct cls_struct_align a1, a2;
    71  
    72  	a1 = *(struct cls_struct_align*)(args[0]);
    73  	a2 = *(struct cls_struct_align*)(args[1]);
    74  
    75  	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
    76  }
    77  
    78  int main (void)
    79  {
    80  	ffi_cif cif;
    81          void *code;
    82  	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
    83  	void* args_dbl[3];
    84  	ffi_type* cls_struct_fields[8];
    85  	ffi_type cls_struct_type;
    86  	ffi_type* dbl_arg_types[3];
    87  
    88  	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
    89  	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
    90  	struct cls_struct_align res_dbl;
    91  
    92  	cls_struct_type.size = 0;
    93  	cls_struct_type.alignment = 0;
    94  	cls_struct_type.type = FFI_TYPE_STRUCT;
    95  	cls_struct_type.elements = cls_struct_fields;
    96  
    97  	cls_struct_fields[0] = &ffi_type_longdouble;
    98  	cls_struct_fields[1] = &ffi_type_longdouble;
    99  	cls_struct_fields[2] = &ffi_type_longdouble;
   100  	cls_struct_fields[3] = &ffi_type_longdouble;
   101  	cls_struct_fields[4] = &ffi_type_longdouble;
   102  	cls_struct_fields[5] = &ffi_type_longdouble;
   103  	cls_struct_fields[6] = &ffi_type_longdouble;
   104  	cls_struct_fields[7] = NULL;
   105  
   106  	dbl_arg_types[0] = &cls_struct_type;
   107  	dbl_arg_types[1] = &cls_struct_type;
   108  	dbl_arg_types[2] = NULL;
   109  
   110  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
   111  		dbl_arg_types) == FFI_OK);
   112  
   113  	args_dbl[0] = &g_dbl;
   114  	args_dbl[1] = &f_dbl;
   115  	args_dbl[2] = NULL;
   116  
   117  	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
   118  	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
   119  	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
   120  		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
   121  	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
   122  
   123  	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
   124  
   125  	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
   126  	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
   127  	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
   128  		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
   129  	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
   130  
   131    exit(0);
   132  }