1 /* Area: closure_call
2 Purpose: Check register allocation for closure calls with many float and double arguments
3 Limitations: none.
4 PR: none.
5 Originator: <david.schneider@picle.org> */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9 #include <float.h>
10 #include <math.h>
11
12 #define NARGS 16
13
cls_mixed_float_double_fn(ffi_cif * cif,void * ret,void ** args,void * userdata __UNUSED__)14 static void cls_mixed_float_double_fn(ffi_cif* cif , void* ret, void** args,
15 void* userdata __UNUSED__)
16 {
17 double r = 0;
18 unsigned int i;
19 double t;
20 for(i=0; i < cif->nargs; i++)
21 {
22 if(cif->arg_types[i] == &ffi_type_double) {
23 t = *(((double**)(args))[i]);
24 } else {
25 t = *(((float**)(args))[i]);
26 }
27 r += t;
28 }
29 *((double*)ret) = r;
30 }
31 typedef double (*cls_mixed)(double, float, double, double, double, double, double, float, float, double, float, float);
32
main(void)33 int main (void)
34 {
35 ffi_cif cif;
36 ffi_closure *closure;
37 void* code;
38 ffi_type *argtypes[12] = {&ffi_type_double, &ffi_type_float, &ffi_type_double,
39 &ffi_type_double, &ffi_type_double, &ffi_type_double,
40 &ffi_type_double, &ffi_type_float, &ffi_type_float,
41 &ffi_type_double, &ffi_type_float, &ffi_type_float};
42
43
44 closure = ffi_closure_alloc(sizeof(ffi_closure), (void**)&code);
45 if(closure ==NULL)
46 abort();
47 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 12, &ffi_type_double, argtypes) == FFI_OK);
48 CHECK(ffi_prep_closure_loc(closure, &cif, cls_mixed_float_double_fn, NULL, code) == FFI_OK);
49 double ret = ((cls_mixed)code)(0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2);
50 ffi_closure_free(closure);
51 if(fabs(ret - 7.8) < FLT_EPSILON)
52 exit(0);
53 else
54 abort();
55 }
56