/* Machine-dependent software floating-point definitions.   Alpha kernel version.   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Richard Henderson (rth@cygnus.com),		  Jakub Jelinek (jakub@redhat.com) and		  David S. Miller (davem@redhat.com).   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Library General Public License as   published by the Free Software Foundation; either version 2 of the   License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Library General Public License for more details.   You should have received a copy of the GNU Library General Public   License along with the GNU C Library; see the file COPYING.LIB.  If   not, write to the Free Software Foundation, Inc.,   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */#ifndef _SFP_MACHINE_H#define _SFP_MACHINE_H   #define _FP_W_TYPE_SIZE		64#define _FP_W_TYPE		unsigned long#define _FP_WS_TYPE		signed long#define _FP_I_TYPE		long#define _FP_MUL_MEAT_S(R,X,Y)					\  _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)#define _FP_MUL_MEAT_D(R,X,Y)					\  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)#define _FP_MUL_MEAT_Q(R,X,Y)					\  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_1_udiv(D,R,X,Y)#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_2_udiv(Q,R,X,Y)#define _FP_NANFRAC_S		_FP_QNANBIT_S#define _FP_NANFRAC_D		_FP_QNANBIT_D#define _FP_NANFRAC_Q		_FP_QNANBIT_Q#define _FP_NANSIGN_S		1#define _FP_NANSIGN_D		1#define _FP_NANSIGN_Q		1#define _FP_KEEPNANFRACP 1/* Alpha Architecture Handbook, 4.7.10.4 sais that * we should prefer any type of NaN in Fb, then Fa. */#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\  do {								\    R##_s = Y##_s;						\    _FP_FRAC_COPY_##wc(R,X);					\    R##_c = FP_CLS_NAN;						\  } while (0)/* Obtain the current rounding mode. */#define FP_ROUNDMODE	mode#define FP_RND_NEAREST	(FPCR_DYN_NORMAL >> FPCR_DYN_SHIFT)#define FP_RND_ZERO	(FPCR_DYN_CHOPPED >> FPCR_DYN_SHIFT)#define FP_RND_PINF	(FPCR_DYN_PLUS >> FPCR_DYN_SHIFT)#define FP_RND_MINF	(FPCR_DYN_MINUS >> FPCR_DYN_SHIFT)/* Exception flags. */#define FP_EX_INVALID		IEEE_TRAP_ENABLE_INV#define FP_EX_OVERFLOW		IEEE_TRAP_ENABLE_OVF#define FP_EX_UNDERFLOW		IEEE_TRAP_ENABLE_UNF#define FP_EX_DIVZERO		IEEE_TRAP_ENABLE_DZE#define FP_EX_INEXACT		IEEE_TRAP_ENABLE_INE#define FP_EX_DENORM		IEEE_TRAP_ENABLE_DNO#define FP_DENORM_ZERO		(swcr & IEEE_MAP_DMZ)/* We write the results always */#define FP_INHIBIT_RESULTS 0#endif