xref: /kernel/linux/linux-5.10/arch/nds32/math-emu/fdivd.c (revision 8c2ecf20)
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18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0
28c2ecf20Sopenharmony_ci// Copyright (C) 2005-2018 Andes Technology Corporation
38c2ecf20Sopenharmony_ci
48c2ecf20Sopenharmony_ci#include <linux/uaccess.h>
58c2ecf20Sopenharmony_ci#include <asm/sfp-machine.h>
68c2ecf20Sopenharmony_ci#include <math-emu/soft-fp.h>
78c2ecf20Sopenharmony_ci#include <math-emu/double.h>
88c2ecf20Sopenharmony_ci
98c2ecf20Sopenharmony_civoid fdivd(void *ft, void *fa, void *fb)
108c2ecf20Sopenharmony_ci{
118c2ecf20Sopenharmony_ci	FP_DECL_D(A);
128c2ecf20Sopenharmony_ci	FP_DECL_D(B);
138c2ecf20Sopenharmony_ci	FP_DECL_D(R);
148c2ecf20Sopenharmony_ci	FP_DECL_EX;
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ci	FP_UNPACK_DP(A, fa);
178c2ecf20Sopenharmony_ci	FP_UNPACK_DP(B, fb);
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_ci	if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO)
208c2ecf20Sopenharmony_ci		FP_SET_EXCEPTION(FP_EX_DIVZERO);
218c2ecf20Sopenharmony_ci
228c2ecf20Sopenharmony_ci	FP_DIV_D(R, A, B);
238c2ecf20Sopenharmony_ci
248c2ecf20Sopenharmony_ci	FP_PACK_DP(ft, R);
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ci	__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
278c2ecf20Sopenharmony_ci}
28

Indexes created Thu Nov 07 10:32:03 CST 2024