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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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1 parent 2fbdb0f commit b9f013788f0f384c423ad963475aaacb55598135 @bivab bivab committed Mar 25, 2013
Showing with 70 additions and 0 deletions.
  1. +70 −0 testsuite/libffi.call/many_double.c
@@ -0,0 +1,70 @@
+/* Area: ffi_call
+ Purpose: Check return value double, with many arguments
+ Limitations: none.
+ PR: none.
+ Originator: From the original ffitest.c */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+#include <stdlib.h>
+#include <float.h>
+#include <math.h>
+
+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
+
+ return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
+}
+
+int main (void)
+{
+ ffi_cif cif;
+ ffi_type *args[13];
+ void *values[13];
+ double fa[13];
+ double f, ff;
+ int i;
+
+ for (i = 0; i < 13; i++)
+ {
+ args[i] = &ffi_type_double;
+ values[i] = &fa[i];
+ fa[i] = (double) i;
+ }
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13,
+ &ffi_type_double, args) == FFI_OK);
+
+ ffi_call(&cif, FFI_FN(many), &f, values);
+
+ 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();
+}

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