Initial commit

testsuite/libffi.call/return_fl2.c

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+/* Area:	ffi_call
+   Purpose:	Check return value float.
+   Limitations:	none.
+   PR:		none.
+   Originator:	<andreast@gcc.gnu.org> 20050212  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+
+/* Use volatile float to avoid false negative on ix86.  See PR target/323.  */
+static float return_fl(float fl1, float fl2, float fl3, float fl4)
+{
+  volatile float sum;
+
+  sum = fl1 + fl2 + fl3 + fl4;
+  return sum;
+}
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float fl1, fl2, fl3, fl4, rfl;
+  volatile float sum;
+
+  args[0] = &ffi_type_float;
+  args[1] = &ffi_type_float;
+  args[2] = &ffi_type_float;
+  args[3] = &ffi_type_float;
+  values[0] = &fl1;
+  values[1] = &fl2;
+  values[2] = &fl3;
+  values[3] = &fl4;
+
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
+		     &ffi_type_float, args) == FFI_OK);
+  fl1 = 127.0;
+  fl2 = 128.0;
+  fl3 = 255.1;
+  fl4 = 512.7;
+
+  ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
+  printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4));
+
+  sum = fl1 + fl2 + fl3 + fl4;
+  CHECK(rfl == sum);
+  exit(0);
+}