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-rw-r--r--testsuite/libffi.call/return_fl2.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/testsuite/libffi.call/return_fl2.c b/testsuite/libffi.call/return_fl2.c
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+++ b/testsuite/libffi.call/return_fl2.c
@@ -0,0 +1,49 @@
+/* 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);
+}