1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/udconvert.c b/gcc/testsuite/gcc.c-torture/compile/udconvert.c
new file mode 100644
index 00000000000..31b494fe08a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/udconvert.c
@@ -0,0 +1,30 @@
+double
+unsigned_to_double1 (u)
+     unsigned u;
+{
+  double d;
+  d = (int) u;			/* convert as from a *signed* integer */
+  return ((int) u < 0)
+    ? d + 4294967296.0
+      : d;
+}
+
+/* Alternatively */
+
+double
+unsigned_to_double2 (u)
+     unsigned u;
+{
+  double d;
+  u -= 2147483648;		/* complement sign bit */
+  d = (int) u;			/* convert as from a *signed* integer */
+  return d + 2147483648.0;
+}
+
+unsigned
+double_to_unsigned (d)
+     double d;
+{
+  d += 2147483648.0;
+  return ((int) d) - 2147483648;
+}