1 files changed, 82 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/int_to_fp.h b/contrib/llvm-project/compiler-rt/lib/builtins/int_to_fp.h
new file mode 100644
index 000000000000..2c1218f1e89c
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/int_to_fp.h
@@ -0,0 +1,82 @@
+//===-- int_to_fp.h - integer to floating point conversion ----------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Set source and destination defines in order to use a correctly
+// parameterised floatXiYf implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef INT_TO_FP_H
+#define INT_TO_FP_H
+
+#include "int_lib.h"
+
+#if defined SRC_I64
+typedef int64_t src_t;
+typedef uint64_t usrc_t;
+static __inline int clzSrcT(usrc_t x) { return __builtin_clzll(x); }
+
+#elif defined SRC_U64
+typedef uint64_t src_t;
+typedef uint64_t usrc_t;
+static __inline int clzSrcT(usrc_t x) { return __builtin_clzll(x); }
+
+#elif defined SRC_I128
+typedef __int128_t src_t;
+typedef __uint128_t usrc_t;
+static __inline int clzSrcT(usrc_t x) { return __clzti2(x); }
+
+#elif defined SRC_U128
+typedef __uint128_t src_t;
+typedef __uint128_t usrc_t;
+static __inline int clzSrcT(usrc_t x) { return __clzti2(x); }
+
+#else
+#error Source should be a handled integer type.
+#endif
+
+#if defined DST_SINGLE
+typedef float dst_t;
+typedef uint32_t dst_rep_t;
+#define DST_REP_C UINT32_C
+
+enum {
+  dstSigBits = 23,
+};
+
+#elif defined DST_DOUBLE
+typedef double dst_t;
+typedef uint64_t dst_rep_t;
+#define DST_REP_C UINT64_C
+
+enum {
+  dstSigBits = 52,
+};
+
+#elif defined DST_QUAD
+typedef tf_float dst_t;
+typedef __uint128_t dst_rep_t;
+#define DST_REP_C (__uint128_t)
+
+enum {
+  dstSigBits = 112,
+};
+
+#else
+#error Destination should be a handled floating point type
+#endif
+
+static __inline dst_t dstFromRep(dst_rep_t x) {
+  const union {
+    dst_t f;
+    dst_rep_t i;
+  } rep = {.i = x};
+  return rep.f;
+}
+
+#endif // INT_TO_FP_H