1//===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------===// 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 DOUBLE_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 __fixunsdfdi(double a) { 17 if (a <= 0.0) 18 return 0; 19 su_int high = a / 4294967296.f; // a / 0x1p32f; 20 su_int low = a - (double)high * 4294967296.f; // high * 0x1p32f; 21 return ((du_int)high << 32) | low; 22} 23 24#else 25// Support for systems that don't have hardware floating-point; there are no 26// flags to set, and we don't want to code-gen to an unknown soft-float 27// implementation. 28 29typedef du_int fixuint_t; 30#include "fp_fixuint_impl.inc" 31 32COMPILER_RT_ABI du_int __fixunsdfdi(fp_t a) { return __fixuint(a); } 33 34#endif 35 36#if defined(__ARM_EABI__) 37#if defined(COMPILER_RT_ARMHF_TARGET) 38AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) { return __fixunsdfdi(a); } 39#else 40COMPILER_RT_ALIAS(__fixunsdfdi, __aeabi_d2ulz) 41#endif 42#endif 43 44#if defined(__MINGW32__) && defined(__arm__) 45COMPILER_RT_ALIAS(__fixunsdfdi, __dtou64) 46#endif 47