forked from OSchip/llvm-project
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* ===-- 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"
|
|
|
|
#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
|
|
|
|
#if defined(__ARM_EABI__)
|
|
#if defined(COMPILER_RT_ARMHF_TARGET)
|
|
AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) {
|
|
return __fixunsdfdi(a);
|
|
}
|
|
#else
|
|
AEABI_RTABI du_int __aeabi_d2ulz(fp_t a) COMPILER_RT_ALIAS(__fixunsdfdi);
|
|
#endif
|
|
#endif
|