arch/nds32/math-emu/fsqrtd.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (C) 2005-2018 Andes Technology Corporation
   3
   4 #include <linux/uaccess.h>
   5 #include <asm/sfp-machine.h>
   6 #include <math-emu/soft-fp.h>
   7 #include <math-emu/double.h>
   8 void fsqrtd(void *ft, void *fa)
   9 {
  10         FP_DECL_D(A);
  11         FP_DECL_D(R);
  12         FP_DECL_EX;
  13
  14         FP_UNPACK_DP(A, fa);
  15
  16         FP_SQRT_D(R, A);
  17
  18         FP_PACK_DP(ft, R);
  19
  20         __FPU_FPCSR |= FP_CUR_EXCEPTIONS;
  21 }