linux/arch/nds32/math-emu/fs2uiz.c

31 lines
642 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/single.h>
void fs2ui_z(void *ft, void *fa)
{
unsigned int r;
FP_DECL_S(A);
FP_DECL_EX;
FP_UNPACK_SP(A, fa);
if (A_c == FP_CLS_INF) {
*(unsigned int *)ft = (A_s == 0) ? 0xffffffff : 0x00000000;
__FPU_FPCSR |= FP_EX_INVALID;
} else if (A_c == FP_CLS_NAN) {
*(unsigned int *)ft = 0xffffffff;
__FPU_FPCSR |= FP_EX_INVALID;
} else {
FP_TO_INT_S(r, A, 32, 0);
__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
*(unsigned int *)ft = r;
}
}