1 files changed, 32 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/builtins/truncsfhf2.c b/contrib/compiler-rt/lib/builtins/truncsfhf2.c
new file mode 100644
index 000000000000..9c84ab4f938a
--- /dev/null
+++ b/contrib/compiler-rt/lib/builtins/truncsfhf2.c
@@ -0,0 +1,32 @@
+//===-- lib/truncsfhf2.c - single -> half conversion --------------*- C -*-===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#define SRC_SINGLE
+#define DST_HALF
+#include "fp_trunc_impl.inc"
+
+// Use a forwarding definition and noinline to implement a poor man's alias,
+// as there isn't a good cross-platform way of defining one.
+COMPILER_RT_ABI NOINLINE uint16_t __truncsfhf2(float a) {
+    return __truncXfYf2__(a);
+}
+
+COMPILER_RT_ABI uint16_t __gnu_f2h_ieee(float a) {
+    return __truncsfhf2(a);
+}
+
+#if defined(__ARM_EABI__)
+#if defined(COMPILER_RT_ARMHF_TARGET)
+AEABI_RTABI uint16_t __aeabi_f2h(float a) {
+  return __truncsfhf2(a);
+}
+#else
+AEABI_RTABI uint16_t __aeabi_f2h(float a) COMPILER_RT_ALIAS(__truncsfhf2);
+#endif
+#endif