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 
__floatundisf(du_int a)26 COMPILER_RT_ABI float __floatundisf(du_int a) { return __floatXiYf__(a); }
27 
28 #if defined(__ARM_EABI__)
29 #if defined(COMPILER_RT_ARMHF_TARGET)
__aeabi_ul2f(du_int a)30 AEABI_RTABI float __aeabi_ul2f(du_int a) { return __floatundisf(a); }
31 #else
32 COMPILER_RT_ALIAS(__floatundisf, __aeabi_ul2f)
33 #endif
34 #endif
35 
36 #if defined(__MINGW32__) && defined(__arm__)
37 COMPILER_RT_ALIAS(__floatundisf, __u64tos)
38 #endif
39