Fix FP comparisons when SSE isn't available

llvm-svn: 349387

1 files changed, 23 insertions, 0 deletions

diff --git a/libcxx/test/support/truncate_fp.h b/libcxx/test/support/truncate_fp.h
new file mode 100644
index 00000000000..83b2b2cffeb
--- /dev/null
+++ b/libcxx/test/support/truncate_fp.h
@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+inline long double truncate_fp(long double val) {
+  volatile long double sink = val;
+  return sink;
+}
+
+inline double truncate_fp(double val) {
+  volatile double sink = val;
+  return sink;
+}
+
+inline float truncate_fp(float val) {
+  volatile float sink = val;
+  return sink;
+}