1/* ===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 */ 10 11#define SINGLE_PRECISION 12#include "fp_lib.h" 13 14#ifndef __SOFT_FP__ 15/* Support for systems that have hardware floating-point; can set the invalid 16 * flag as a side-effect of computation. 17 */ 18 19COMPILER_RT_ABI du_int 20__fixunssfdi(float a) 21{ 22 if (a <= 0.0f) return 0; 23 double da = a; 24 su_int high = da / 4294967296.f; /* da / 0x1p32f; */ 25 su_int low = da - (double)high * 4294967296.f; /* high * 0x1p32f; */ 26 return ((du_int)high << 32) | low; 27} 28 29#else 30/* Support for systems that don't have hardware floating-point; there are no 31 * flags to set, and we don't want to code-gen to an unknown soft-float 32 * implementation. 33 */ 34 35typedef du_int fixuint_t; 36#include "fp_fixuint_impl.inc" 37 38COMPILER_RT_ABI du_int 39__fixunssfdi(fp_t a) { 40 return __fixuint(a); 41} 42 43#endif 44 45#if defined(__ARM_EABI__) 46#if defined(COMPILER_RT_ARMHF_TARGET) 47AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { 48 return __fixunssfdi(a); 49} 50#else 51AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunssfdi); 52#endif 53#endif 54