llvm/compiler-rt/lib/builtins/extendxftf2.c

//===-- lib/extendxftf2.c - long double -> quad 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
//
//===----------------------------------------------------------------------===//

// Assumption: long double is a IEEE 80 bit floating point type padded to 128
// bits.

#define QUAD_PRECISION
#include "fp_lib.h"

#if defined(CRT_HAS_TF_MODE) && __LDBL_MANT_DIG__ == 64 && defined(__x86_64__)
#define SRC_80
#define DST_QUAD
#include "fp_extend_impl.inc"

COMPILER_RT_ABI tf_float __extendxftf2(xf_float a) { … }

#endif