Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/lib/builtins/extendhfsf2.c

@@ -0,0 +1,33 @@
+//===-- lib/extendhfsf2.c - half -> single 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_HALF
+#define DST_SINGLE
+#include "fp_extend_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 float __extendhfsf2(uint16_t a) {
+    return __extendXfYf2__(a);
+}
+
+COMPILER_RT_ABI float __gnu_h2f_ieee(uint16_t a) {
+    return __extendhfsf2(a);
+}
+
+#if defined(__ARM_EABI__)
+#if defined(COMPILER_RT_ARMHF_TARGET)
+AEABI_RTABI float __aeabi_h2f(uint16_t a) {
+  return __extendhfsf2(a);
+}
+#else
+AEABI_RTABI float __aeabi_h2f(uint16_t a) COMPILER_RT_ALIAS(__extendhfsf2);
+#endif
+#endif