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>
   6 int 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 }