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/*      Area:                   ffi_call, closure_call

        Purpose:                Check structure alignment of long double.

        Limitations:    none.

        PR:                             none.

        Originator:             Blake Chaffin   6/18/2007

*/

/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */

/* { dg-do run { xfail strongarm*-*-* } } */

/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */

/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */

#include "ffitest.h"

typedef struct cls_struct_align {

  long double a;

  long double b;

  long double c;

  long double d;

  long double e;

  double f;

  long double g;

} cls_struct_align;

cls_struct_align cls_struct_align_fn(

        cls_struct_align        a1,

        cls_struct_align        a2)

{

        struct cls_struct_align r;

        r.a = a1.a + a2.a;

        r.b = a1.b + a2.b;

        r.c = a1.c + a2.c;

        r.d = a1.d + a2.d;

        r.e = a1.e + a2.e;

        r.f = a1.f + a2.f;

        r.g = a1.g + a2.g;

        printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: "

                "%Lg %Lg %Lg %Lg %Lg %g %Lg\n",

                a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,

                a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,

                r.a, r.b, r.c, r.d, r.e, r.f, r.g);

        return r;

}

static void

cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args,

                    void* userdata __UNUSED__)

{

        struct cls_struct_align a1, a2;

        a1 = *(struct cls_struct_align*)(args[0]);

        a2 = *(struct cls_struct_align*)(args[1]);

        *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);

}

int main (void)

{

        ffi_cif cif;

        void *code;

        ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);

        void* args_dbl[3];

        ffi_type* cls_struct_fields[8];

        ffi_type cls_struct_type;

        ffi_type* dbl_arg_types[3];

        cls_struct_type.size = 0;

        cls_struct_type.alignment = 0;

        cls_struct_type.type = FFI_TYPE_STRUCT;

        cls_struct_type.elements = cls_struct_fields;

        struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };

        struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };

        struct cls_struct_align res_dbl;

        cls_struct_fields[0] = &ffi_type_longdouble;

        cls_struct_fields[1] = &ffi_type_longdouble;

        cls_struct_fields[2] = &ffi_type_longdouble;

        cls_struct_fields[3] = &ffi_type_longdouble;

        cls_struct_fields[4] = &ffi_type_longdouble;

        cls_struct_fields[5] = &ffi_type_double;

        cls_struct_fields[6] = &ffi_type_longdouble;

        cls_struct_fields[7] = NULL;

        dbl_arg_types[0] = &cls_struct_type;

        dbl_arg_types[1] = &cls_struct_type;

        dbl_arg_types[2] = NULL;

        CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,

                dbl_arg_types) == FFI_OK);

        args_dbl[0] = &g_dbl;

        args_dbl[1] = &f_dbl;

        args_dbl[2] = NULL;

        ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);

        /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */

        printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,

                res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);

        /* { dg-output "\nres: 9 11 13 15 17 19 21" } */

        CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);

        res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);

        /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */

        printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b,

                res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);

        /* { dg-output "\nres: 9 11 13 15 17 19 21" } */

  exit(0);

}