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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-exception6//7//===----------------------------------------------------------------------===//8 9#define DOUBLE_PRECISION10#include "fp_lib.h"11 12#ifndef __SOFTFP__13// Support for systems that have hardware floating-point; can set the invalid14// 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#else25// Support for systems that don't have hardware floating-point; there are no26// flags to set, and we don't want to code-gen to an unknown soft-float27// 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#endif35 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#else40COMPILER_RT_ALIAS(__fixunsdfdi, __aeabi_d2ulz)41#endif42#endif43 44#if defined(__MINGW32__) && defined(__arm__)45COMPILER_RT_ALIAS(__fixunsdfdi, __dtou64)46#endif47