vendor/compiler-rt/compiler-rt-r224034

1 files changed, 48 insertions, 0 deletions

diff --git a/test/builtins/Unit/subsf3vfp_test.c b/test/builtins/Unit/subsf3vfp_test.c
new file mode 100644
index 0000000000000..223e7f8f3936d
--- /dev/null
+++ b/test/builtins/Unit/subsf3vfp_test.c
@@ -0,0 +1,48 @@
+//===-- subsf3vfp_test.c - Test __subsf3vfp -------------------------------===//
+//
+//                     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 __subsf3vfp for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+extern float __subsf3vfp(float a, float b);
+
+#if __arm__
+int test__subsf3vfp(float a, float b)
+{
+    float actual = __subsf3vfp(a, b);
+    float expected = a - b;
+    if (actual != expected)
+        printf("error in test__subsf3vfp(%f, %f) = %f, expected %f\n",
+               a, b, actual, expected);
+    return actual != expected;
+}
+#endif
+
+int main()
+{
+#if __arm__
+    if (test__subsf3vfp(1.0, 1.0))
+        return 1;
+    if (test__subsf3vfp(1234.567, 765.4321))
+        return 1;
+    if (test__subsf3vfp(-123.0, -678.0))
+        return 1;
+    if (test__subsf3vfp(0.0, -0.0))
+        return 1;
+#else
+    printf("skipped\n");
+#endif
+    return 0;
+}