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