1//===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------===// 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 if (a <= 0.0f) 18 return 0; 19 double da = a; 20 su_int high = da / 4294967296.f; // da / 0x1p32f; 21 su_int low = da - (double)high * 4294967296.f; // high * 0x1p32f; 22 return ((du_int)high << 32) | low; 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 du_int fixuint_t; 31#include "fp_fixuint_impl.inc" 32 33COMPILER_RT_ABI du_int __fixunssfdi(fp_t a) { return __fixuint(a); } 34 35#endif 36 37#if defined(__ARM_EABI__) 38#if defined(COMPILER_RT_ARMHF_TARGET) 39AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { return __fixunssfdi(a); } 40#else 41COMPILER_RT_ALIAS(__fixunssfdi, __aeabi_f2ulz) 42#endif 43#endif 44 45#if defined(__MINGW32__) && defined(__arm__) 46COMPILER_RT_ALIAS(__fixunssfdi, __stou64) 47#endif 48