Testcase for reg-stack failure for testcase using fp conditional move.

	* gcc.dg/980313-1.c: New test for fp conditional move on PPro.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@18679 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 21 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/980313-1.c b/gcc/testsuite/gcc.dg/980313-1.c
new file mode 100644
index 00000000000..746e4631b08
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/980313-1.c
@@ -0,0 +1,21 @@
+/* { dg-do compile { target i?86-*-* } } */
+/* { dg-options "-O2 -march=pentiumpro" } */
+
+extern __inline  double
+__expm1 (double __x)
+{
+  double __temp;
+  __temp -= 1.0;
+  return __temp;
+}
+extern __inline  double
+__sgn1 (double __x)
+{
+  return __x >= 0.0 ? 1.0 : -1.0;
+}
+double
+tanh (double __x)
+{
+  register double __exm1 = __expm1 (__x);
+  return __exm1 / (__exm1 + 2.0) * __sgn1 (-__x);
+}