31 lines
610 B
C
31 lines
610 B
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
// Copyright (C) 2005-2019 Andes Technology Corporation
|
||
|
|
#include <linux/uaccess.h>
|
||
|
|
|
||
|
|
#include <asm/sfp-machine.h>
|
||
|
|
#include <math-emu/soft-fp.h>
|
||
|
|
#include <math-emu/double.h>
|
||
|
|
|
||
|
|
void fd2si(void *ft, void *fa)
|
||
|
|
{
|
||
|
|
int r;
|
||
|
|
|
||
|
|
FP_DECL_D(A);
|
||
|
|
FP_DECL_EX;
|
||
|
|
|
||
|
|
FP_UNPACK_DP(A, fa);
|
||
|
|
|
||
|
|
if (A_c == FP_CLS_INF) {
|
||
|
|
*(int *)ft = (A_s == 0) ? 0x7fffffff : 0x80000000;
|
||
|
|
__FPU_FPCSR |= FP_EX_INVALID;
|
||
|
|
} else if (A_c == FP_CLS_NAN) {
|
||
|
|
*(int *)ft = 0xffffffff;
|
||
|
|
__FPU_FPCSR |= FP_EX_INVALID;
|
||
|
|
} else {
|
||
|
|
FP_TO_INT_ROUND_D(r, A, 32, 1);
|
||
|
|
__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
|
||
|
|
*(int *)ft = r;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|