1 /* Area: ffi_call, closure_call
2 Purpose: Check structure alignment of long double.
5 Originator: Blake Chaffin 6/18/2007
8 /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
9 /* { dg-do run { xfail strongarm*-*-* } } */
10 /* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
11 /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
15 typedef struct cls_struct_align {
25 cls_struct_align cls_struct_align_fn(
29 struct cls_struct_align r;
39 printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "
40 "%Lg %Lg %Lg %Lg %Lg %g %Lg\n",
41 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
42 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
43 r.a, r.b, r.c, r.d, r.e, r.f, r.g);
49 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,
50 void* userdata __UNUSED__)
52 struct cls_struct_align a1, a2;
54 a1 = *(struct cls_struct_align*)(args[0]);
55 a2 = *(struct cls_struct_align*)(args[1]);
57 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
64 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
66 ffi_type* cls_struct_fields[8];
67 ffi_type cls_struct_type;
68 ffi_type* dbl_arg_types[3];
70 cls_struct_type.size = 0;
71 cls_struct_type.alignment = 0;
72 cls_struct_type.type = FFI_TYPE_STRUCT;
73 cls_struct_type.elements = cls_struct_fields;
75 struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
76 struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
77 struct cls_struct_align res_dbl;
79 cls_struct_fields[0] = &ffi_type_longdouble;
80 cls_struct_fields[1] = &ffi_type_longdouble;
81 cls_struct_fields[2] = &ffi_type_longdouble;
82 cls_struct_fields[3] = &ffi_type_longdouble;
83 cls_struct_fields[4] = &ffi_type_longdouble;
84 cls_struct_fields[5] = &ffi_type_double;
85 cls_struct_fields[6] = &ffi_type_longdouble;
86 cls_struct_fields[7] = NULL;
88 dbl_arg_types[0] = &cls_struct_type;
89 dbl_arg_types[1] = &cls_struct_type;
90 dbl_arg_types[2] = NULL;
92 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
93 dbl_arg_types) == FFI_OK);
99 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
100 /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
101 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
102 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
103 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */
105 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
107 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
108 /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
109 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,
110 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
111 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */