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111
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1 /* Area: closure_call
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2 Purpose: Check register allocation for closure calls with many float and double arguments
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3 Limitations: none.
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4 PR: none.
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5 Originator: <david.schneider@picle.org> */
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6
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7 /* { dg-do run } */
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8 #include "ffitest.h"
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9 #include <float.h>
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10 #include <math.h>
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11
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12 #define NARGS 16
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13
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14 static void cls_mixed_float_double_fn(ffi_cif* cif , void* ret, void** args,
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15 void* userdata __UNUSED__)
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16 {
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17 double r = 0;
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18 unsigned int i;
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19 double t;
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20 for(i=0; i < cif->nargs; i++)
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21 {
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22 if(cif->arg_types[i] == &ffi_type_double) {
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23 t = *(((double**)(args))[i]);
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24 } else {
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25 t = *(((float**)(args))[i]);
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26 }
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27 r += t;
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28 }
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29 *((double*)ret) = r;
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30 }
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31 typedef double (*cls_mixed)(double, float, double, double, double, double, double, float, float, double, float, float);
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32
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33 int main (void)
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34 {
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35 ffi_cif cif;
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36 ffi_closure *closure;
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37 void* code;
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38 ffi_type *argtypes[12] = {&ffi_type_double, &ffi_type_float, &ffi_type_double,
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39 &ffi_type_double, &ffi_type_double, &ffi_type_double,
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40 &ffi_type_double, &ffi_type_float, &ffi_type_float,
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41 &ffi_type_double, &ffi_type_float, &ffi_type_float};
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42
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43
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44 closure = ffi_closure_alloc(sizeof(ffi_closure), (void**)&code);
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45 if(closure ==NULL)
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46 abort();
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47 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 12, &ffi_type_double, argtypes) == FFI_OK);
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48 CHECK(ffi_prep_closure_loc(closure, &cif, cls_mixed_float_double_fn, NULL, code) == FFI_OK);
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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);
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50 ffi_closure_free(closure);
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51 if(fabs(ret - 7.8) < FLT_EPSILON)
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52 exit(0);
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53 else
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54 abort();
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55 }
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