1  /* Area:	ffi_call
       2     Purpose:	Check return value float.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20050212  */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  /* Use volatile float to avoid false negative on ix86.  See PR target/323.  */
      11  static float return_fl(float fl1, float fl2, float fl3, float fl4)
      12  {
      13    volatile float sum;
      14  
      15    sum = fl1 + fl2 + fl3 + fl4;
      16    return sum;
      17  }
      18  int main (void)
      19  {
      20    ffi_cif cif;
      21    ffi_type *args[MAX_ARGS];
      22    void *values[MAX_ARGS];
      23    float fl1, fl2, fl3, fl4, rfl;
      24    volatile float sum;
      25  
      26    args[0] = &ffi_type_float;
      27    args[1] = &ffi_type_float;
      28    args[2] = &ffi_type_float;
      29    args[3] = &ffi_type_float;
      30    values[0] = &fl1;
      31    values[1] = &fl2;
      32    values[2] = &fl3;
      33    values[3] = &fl4;
      34  
      35    /* Initialize the cif */
      36    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
      37  		     &ffi_type_float, args) == FFI_OK);
      38    fl1 = 127.0;
      39    fl2 = 128.0;
      40    fl3 = 255.1;
      41    fl4 = 512.7;
      42  
      43    ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
      44    printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4));
      45  
      46    sum = fl1 + fl2 + fl3 + fl4;
      47    CHECK(rfl == sum);
      48    exit(0);
      49  }