[clang] [compiler-rt] [llvm] [SystemZ] Add support for half (fp16) (PR #109164)

[Jonas Paulsson via cfe-commits]

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@@ -0,0 +1,27 @@
+//===-- lib/extendhfdf2.c - half -> single conversion -------------*- C -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#define SRC_HALF
+#define DST_DOUBLE
+#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 __extendhfdf2(src_t a) {
+  return __extendXfYf2__(a);
+}
+
+COMPILER_RT_ABI float __gnu_h2d_ieee(src_t a) { return __extendhfdf2(a); }
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JonPsson1 wrote:

ok - removed.

https://github.com/llvm/llvm-project/pull/109164