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-rw-r--r--test/builtins/Unit/subdf3vfp_test.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/test/builtins/Unit/subdf3vfp_test.c b/test/builtins/Unit/subdf3vfp_test.c
new file mode 100644
index 000000000000..86d6f2fef22b
--- /dev/null
+++ b/test/builtins/Unit/subdf3vfp_test.c
@@ -0,0 +1,48 @@
+//===-- subdf3vfp_test.c - Test __subdf3vfp -------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __subdf3vfp for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+#if __arm__
+extern double __subdf3vfp(double a, double b);
+
+int test__subdf3vfp(double a, double b)
+{
+ double actual = __subdf3vfp(a, b);
+ double expected = a - b;
+ if (actual != expected)
+ printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n",
+ a, b, actual, expected);
+ return actual != expected;
+}
+#endif
+
+int main()
+{
+#if __arm__
+ if (test__subdf3vfp(1.0, 1.0))
+ return 1;
+ if (test__subdf3vfp(1234.567, 765.4321))
+ return 1;
+ if (test__subdf3vfp(-123.0, -678.0))
+ return 1;
+ if (test__subdf3vfp(0.0, -0.0))
+ return 1;
+#else
+ printf("skipped\n");
+#endif
+ return 0;
+}