1//===-- fixsfdi.c - Implement __fixsfdi -----------------------------------===//
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#define SINGLE_PRECISION
10#include "fp_lib.h"
11
12#ifndef __SOFTFP__
13// Support for systems that have hardware floating-point; can set the invalid
14// flag as a side-effect of computation.
15
16COMPILER_RT_ABI du_int __fixunssfdi(float a);
17
18COMPILER_RT_ABI di_int __fixsfdi(float a) {
19 if (a < 0.0f) {
20 return -__fixunssfdi(a: -a);
21 }
22 return __fixunssfdi(a);
23}
24
25#else
26// Support for systems that don't have hardware floating-point; there are no
27// flags to set, and we don't want to code-gen to an unknown soft-float
28// implementation.
29
30typedef di_int fixint_t;
31typedef du_int fixuint_t;
32#include "fp_fixint_impl.inc"
33
34COMPILER_RT_ABI di_int __fixsfdi(fp_t a) { return __fixint(a); }
35
36#endif
37
38#if defined(__ARM_EABI__)
39#if defined(COMPILER_RT_ARMHF_TARGET)
40AEABI_RTABI di_int __aeabi_f2lz(fp_t a) { return __fixsfdi(a); }
41#else
42COMPILER_RT_ALIAS(__fixsfdi, __aeabi_f2lz)
43#endif
44#endif
45
46#if defined(__MINGW32__) && defined(__arm__)
47COMPILER_RT_ALIAS(__fixsfdi, __stoi64)
48#endif
49

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