1 files changed, 27 insertions, 0 deletions
diff --git a/firmware/lib/builtins/aeabi_f2ulz.c b/firmware/lib/builtins/aeabi_f2ulz.c
new file mode 100644
index 00000000..a6413a75
--- /dev/null
+++ b/firmware/lib/builtins/aeabi_f2ulz.c
@@ -0,0 +1,27 @@
+/* ===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------===
+ *
+ *                     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.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+
+du_int __aeabi_f2ulz(float a);
+
+/* Support for systems that have hardware floating-point; can set the invalid
+ * flag as a side-effect of computation.
+ */
+
+du_int
+__aeabi_f2ulz(float a)
+{
+    if (a <= 0.0f) return 0;
+    float da = a;
+    su_int high = da / 4294967296.f;               /* da / 0x1p32f; */
+    su_int low = da - (float)high * 4294967296.f; /* high * 0x1p32f; */
+    return ((du_int)high << 32) | low;
+}