1/* ===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------===
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 DOUBLE_PRECISION
12#include "fp_lib.h"
13
14ARM_EABI_FNALIAS(d2ulz, fixunsdfdi)
15
16#ifndef __SOFT_FP__
17/* Support for systems that have hardware floating-point; can set the invalid
18 * flag as a side-effect of computation.
19 */
20
21COMPILER_RT_ABI du_int
22__fixunsdfdi(double a)
23{
24    if (a <= 0.0) return 0;
25    su_int high = a / 4294967296.f;               /* a / 0x1p32f; */
26    su_int low = a - (double)high * 4294967296.f; /* high * 0x1p32f; */
27    return ((du_int)high << 32) | low;
28}
29
30#else
31/* Support for systems that don't have hardware floating-point; there are no
32 * flags to set, and we don't want to code-gen to an unknown soft-float
33 * implementation.
34 */
35
36typedef du_int fixuint_t;
37#include "fp_fixuint_impl.inc"
38
39COMPILER_RT_ABI du_int
40__fixunsdfdi(fp_t a) {
41    return __fixuint(a);
42}
43
44#endif
45