1//===-- floatundisf.c - Implement __floatundisf ---------------------------===//
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 __floatundisf for the compiler_rt library.
10//
11//===----------------------------------------------------------------------===//
12
13// Returns: convert a to a float, rounding toward even.
14
15// Assumption: float is a IEEE 32 bit floating point type
16// du_int is a 64 bit integral type
17
18// seee eeee emmm mmmm mmmm mmmm mmmm mmmm
19
20#include "int_lib.h"
21
22#define SRC_U64
23#define DST_SINGLE
24#include "int_to_fp_impl.inc"
25
26COMPILER_RT_ABI float __floatundisf(du_int a) { return __floatXiYf__(a); }
27
28#if defined(__ARM_EABI__)
29#if defined(COMPILER_RT_ARMHF_TARGET)
30AEABI_RTABI float __aeabi_ul2f(du_int a) { return __floatundisf(a); }
31#else
32COMPILER_RT_ALIAS(__floatundisf, __aeabi_ul2f)
33#endif
34#endif
35
36#if defined(__MINGW32__) && defined(__arm__)
37COMPILER_RT_ALIAS(__floatundisf, __u64tos)
38#endif
39

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