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 16 COMPILER_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 30 typedef du_int fixuint_t; 31 #include "fp_fixuint_impl.inc" 32 33 COMPILER_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) 39 AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { return __fixunssfdi(a); } 40 #else 41 COMPILER_RT_ALIAS(__fixunssfdi, __aeabi_f2ulz) 42 #endif 43 #endif 44 45 #if defined(__MINGW32__) && defined(__arm__) 46 COMPILER_RT_ALIAS(__fixunssfdi, __stou64) 47 #endif 48