add comparison functions for ARM

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@81597 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Unit/eqsf2vfp_test.c b/test/Unit/eqsf2vfp_test.c
new file mode 100644
index 0000000..ebcdbc4
--- /dev/null
+++ b/test/Unit/eqsf2vfp_test.c
@@ -0,0 +1,49 @@
+//===-- eqsf2vfp_test.c - Test __eqsf2vfp ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __eqsf2vfp for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <math.h>
+
+
+extern int __eqsf2vfp(float a, float b);
+
+#if __arm__
+int test__eqsf2vfp(float a, float b)
+{
+    int actual = __eqsf2vfp(a, b);
+	int expected = (a == b) ? 1 : 0;
+    if (actual != expected)
+        printf("error in __eqsf2vfp(%f, %f) = %d, expected %d\n",
+               a, b, actual, expected);
+    return actual != expected;
+}
+#endif
+
+int main()
+{
+#if __arm__
+    if (test__eqsf2vfp(0.0, 0.0))
+        return 1;
+    if (test__eqsf2vfp(1.0, 1.0))
+        return 1;
+    if (test__eqsf2vfp(-1.0, -1.0))
+        return 1;
+    if (test__eqsf2vfp(HUGE_VALF, 1.0))
+        return 1;
+    if (test__eqsf2vfp(1.0, HUGE_VALF))
+        return 1;
+#endif
+    return 0;
+}