* testsuite/libffi.call/return_sl.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127787 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 42 insertions, 0 deletions

diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 671100b4188..00e17a91e0a 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,7 @@
+2007-08-24  David Daney  <ddaney@avtrex.com>
+
+	* testsuite/libffi.call/return_sl.c: New test.
+
 2007-08-10  David Daney  <ddaney@avtrex.com>
 
 	* testsuite/libffi.call/cls_multi_ushort.c,
diff --git a/libffi/testsuite/libffi.call/return_sl.c b/libffi/testsuite/libffi.call/return_sl.c
new file mode 100644
index 00000000000..f0fd345f7a8
--- /dev/null
+++ b/libffi/testsuite/libffi.call/return_sl.c
@@ -0,0 +1,38 @@
+/* Area:	ffi_call
+   Purpose:	Check if long as return type is handled correctly.
+   Limitations:	none.
+   PR:		none.
+ */
+
+/* { dg-do run } */
+#include "ffitest.h"
+static long return_sl(long l1, long l2)
+{
+  return l1 - l2;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg res;
+  unsigned long l1, l2;
+
+  args[0] = &ffi_type_slong;
+  args[1] = &ffi_type_slong;
+  values[0] = &l1;
+  values[1] = &l2;
+
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
+		     &ffi_type_slong, args) == FFI_OK);
+
+  l1 = 1073741823L;
+  l2 = 1073741824L;
+
+  ffi_call(&cif, FFI_FN(return_sl), &res, values);
+  printf("res: %ld, %ld\n", (long)res, l1 - l2);
+  /* { dg-output "res: -1, -1" } */
+
+  exit(0);
+}