Merge basic-improvements-branch to trunk

From-SVN: r60174

1 files changed, 55 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/builtins-3.c b/gcc/testsuite/gcc.dg/builtins-3.c
new file mode 100644
index 00000000000..49bea5e126e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtins-3.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 2002  Free Software Foundation.
+
+   Verify that built-in math function constant folding of constant
+   arguments is correctly performed by the by the compiler.
+
+   Written by Roger Sayle, 16th August 2002.  */
+
+/* { dg-do link } */
+/* { dg-options "-O2 -ffast-math" } */
+
+extern void link_error(void);
+
+int main()
+{
+  if (sqrt (0.0) != 0.0)
+    link_error ();
+
+  if (sqrt (1.0) != 1.0)
+    link_error ();
+
+  if (exp (0.0) != 1.0)
+    link_error ();
+
+  if (log (1.0) != 0.0)
+    link_error ();
+
+
+  if (sqrtf (0.0f) != 0.0f)
+    link_error ();
+
+  if (sqrtf (1.0f) != 1.0f)
+    link_error ();
+
+  if (expf (0.0f) != 1.0f)
+    link_error ();
+
+  if (logf (1.0f) != 0.0f)
+    link_error ();
+
+
+  if (sqrtl (0.0l) != 0.0l)
+    link_error ();
+
+  if (sqrtl (1.0l) != 1.0l)
+    link_error ();
+
+  if (expl (0.0l) != 1.0l)
+    link_error ();
+
+  if (logl (1.0l) != 0.0l)
+    link_error ();
+
+  return 0;
+}
+