1//===-- lib/floatuntitf.c - uint128 -> quad-precision conversion --*- C -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements tu_int to quad-precision conversion for the
10// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even
11// mode.
12//
13//===----------------------------------------------------------------------===//
14
15#define QUAD_PRECISION
16#include "fp_lib.h"
17#include "int_lib.h"
18
19#if defined(CRT_HAS_TF_MODE)
20#define SRC_U128
21#define DST_QUAD
22#include "int_to_fp_impl.inc"
23
24// Returns: convert a tu_int to a fp_t, rounding toward even.
25
26// Assumption: fp_t is a IEEE 128 bit floating point type
27// tu_int is a 128 bit integral type
28
29// seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm
30// mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm
31// mmmm mmmm mmmm
32
33COMPILER_RT_ABI fp_t __floatuntitf(tu_int a) { return __floatXiYf__(a); }
34
35#endif
36

source code of compiler-rt/lib/builtins/floatuntitf.c