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28 lines
472 B
C
28 lines
472 B
C
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// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2005-2018 Andes Technology Corporation
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#include <linux/uaccess.h>
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#include <asm/sfp-machine.h>
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#include <math-emu/soft-fp.h>
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#include <math-emu/double.h>
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void fsubd(void *ft, void *fa, void *fb)
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{
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FP_DECL_D(A);
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FP_DECL_D(B);
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FP_DECL_D(R);
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FP_DECL_EX;
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FP_UNPACK_DP(A, fa);
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FP_UNPACK_DP(B, fb);
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if (B_c != FP_CLS_NAN)
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B_s ^= 1;
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FP_ADD_D(R, A, B);
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FP_PACK_DP(ft, R);
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__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
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}
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