obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 43 insertions, 0 deletions

diff --git a/gcc/testsuite/c-c++-common/dfp/call-by-value.c b/gcc/testsuite/c-c++-common/dfp/call-by-value.c
new file mode 100644
index 000000000..74aec53ae
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/dfp/call-by-value.c
@@ -0,0 +1,43 @@
+/* C99 6.9.1(9) Function definitions; parameter has automatic storage.
+
+   Test that actual parameters are passed by value and that modifications
+   made within functions are lost on function return.  */
+
+#include "dfp-dbg.h"
+
+int foo32 (_Decimal32 z)
+{
+  z = z + 1.0df;
+}
+
+int foo64 (_Decimal64 z)
+{
+  z = z + 1.0dd;
+}
+
+int foo128 (_Decimal128 z)
+{
+  z = z + 1.0dl;
+}
+
+int
+main ()
+{
+  _Decimal32 d32 = 1.1df;
+  _Decimal64 d64 = 1.2dd;
+  _Decimal128 d128 = 1.3dl;
+
+  foo32 (d32);
+  if (d32 != 1.1df)
+    FAILURE
+
+  foo64 (d64);
+  if (d64 != 1.2dd)
+    FAILURE
+
+  foo128 (d128);
+  if (d128 != 1.3dl)
+    FAILURE
+
+  FINISH
+}