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  
      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  }