1 files changed, 34 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/powitf2.c b/contrib/llvm-project/compiler-rt/lib/builtins/powitf2.c
new file mode 100644
index 000000000000..e02db40767ac
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/powitf2.c
@@ -0,0 +1,34 @@
+//===-- powitf2.cpp - Implement __powitf2 ---------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __powitf2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#define QUAD_PRECISION
+#include "fp_lib.h"
+
+#if defined(CRT_HAS_TF_MODE)
+
+// Returns: a ^ b
+
+COMPILER_RT_ABI fp_t __powitf2(fp_t a, int b) {
+  const int recip = b < 0;
+  fp_t r = 1;
+  while (1) {
+    if (b & 1)
+      r *= a;
+    b /= 2;
+    if (b == 0)
+      break;
+    a *= a;
+  }
+  return recip ? 1 / r : r;
+}
+
+#endif