1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* ===-- fixunsdfdi.c - Implement __fixunsdfdi -----------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*/
#define DOUBLE_PRECISION
#include "fp_lib.h"
ARM_EABI_FNALIAS(d2ulz, fixunsdfdi)
#ifndef __SOFT_FP__
/* Support for systems that have hardware floating-point; can set the invalid
* flag as a side-effect of computation.
*/
COMPILER_RT_ABI du_int
__fixunsdfdi(double a)
{
if (a <= 0.0) return 0;
su_int high = a / 4294967296.f; /* a / 0x1p32f; */
su_int low = a - (double)high * 4294967296.f; /* high * 0x1p32f; */
return ((du_int)high << 32) | low;
}
#else
/* Support for systems that don't have hardware floating-point; there are no
* flags to set, and we don't want to code-gen to an unknown soft-float
* implementation.
*/
typedef du_int fixuint_t;
#include "fp_fixuint_impl.inc"
COMPILER_RT_ABI du_int
__fixunsdfdi(fp_t a) {
return __fixuint(a);
}
#endif
|
