arch/nds32/math-emu/fsqrtd.c


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// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2005-2018 Andes Technology Corporation

#include <linux/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>
void fsqrtd(void *ft, void *fa)
{
	FP_DECL_D(A);
	FP_DECL_D(R);
	FP_DECL_EX;

	FP_UNPACK_DP(A, fa);

	FP_SQRT_D(R, A);

	FP_PACK_DP(ft, R);

	__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
}