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      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 (at) 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 
     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 
     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