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add a testcase, that on ARM hardfloat needs more than the 8 VFP argum…
…ent registers to pass arguments to a call
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/* Area: ffi_call | ||
Purpose: Check return value double, with many arguments | ||
Limitations: none. | ||
PR: none. | ||
Originator: From the original ffitest.c */ | ||
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/* { dg-do run } */ | ||
#include "ffitest.h" | ||
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#include <stdlib.h> | ||
#include <float.h> | ||
#include <math.h> | ||
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static double many(double f1, | ||
double f2, | ||
double f3, | ||
double f4, | ||
double f5, | ||
double f6, | ||
double f7, | ||
double f8, | ||
double f9, | ||
double f10, | ||
double f11, | ||
double f12, | ||
double f13) | ||
{ | ||
#if 0 | ||
printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n", | ||
(double) f1, (double) f2, (double) f3, (double) f4, (double) f5, | ||
(double) f6, (double) f7, (double) f8, (double) f9, (double) f10, | ||
(double) f11, (double) f12, (double) f13); | ||
#endif | ||
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return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13); | ||
} | ||
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int main (void) | ||
{ | ||
ffi_cif cif; | ||
ffi_type *args[13]; | ||
void *values[13]; | ||
double fa[13]; | ||
double f, ff; | ||
int i; | ||
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for (i = 0; i < 13; i++) | ||
{ | ||
args[i] = &ffi_type_double; | ||
values[i] = &fa[i]; | ||
fa[i] = (double) i; | ||
} | ||
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/* Initialize the cif */ | ||
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13, | ||
&ffi_type_double, args) == FFI_OK); | ||
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ffi_call(&cif, FFI_FN(many), &f, values); | ||
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ff = many(fa[0], fa[1], | ||
fa[2], fa[3], | ||
fa[4], fa[5], | ||
fa[6], fa[7], | ||
fa[8], fa[9], | ||
fa[10],fa[11],fa[12]); | ||
if (fabs(f - ff) < FLT_EPSILON) | ||
exit(0); | ||
else | ||
abort(); | ||
} |