LXR linux/arch/nds32/math-emu/fcmpd.c

   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (C) 2005-2018 Andes Technology Corporation
   3#include <asm/sfp-machine.h>
   4#include <math-emu/soft-fp.h>
   5#include <math-emu/double.h>
   6int fcmpd(void *ft, void *fa, void *fb, int cmpop)
   7{
   8        FP_DECL_D(A);
   9        FP_DECL_D(B);
  10        FP_DECL_EX;
  11        long cmp;
  12
  13        FP_UNPACK_DP(A, fa);
  14        FP_UNPACK_DP(B, fb);
  15
  16        FP_CMP_D(cmp, A, B, SF_CUN);
  17        cmp += 2;
  18        if (cmp == SF_CGT)
  19                *(long *)ft = 0;
  20        else
  21                *(long *)ft = (cmp & cmpop) ? 1 : 0;
  22
  23        return 0;
  24}
  25