| /* Machine-dependent software floating-point definitions. | |
| SuperH 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 (jj@ultra.linux.cz), | |
| David S. Miller (davem@redhat.com) and | |
| Peter Maydell (pmaydell@chiark.greenend.org.uk). | |
| 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 32 | |
| #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_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) | |
| #define _FP_MUL_MEAT_D(R,X,Y) \ | |
| _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) | |
| #define _FP_MUL_MEAT_Q(R,X,Y) \ | |
| _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) | |
| #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) | |
| #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) | |
| #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) | |
| #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) | |
| #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 | |
| #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 | |
| #define _FP_NANSIGN_S 0 | |
| #define _FP_NANSIGN_D 0 | |
| #define _FP_NANSIGN_Q 0 | |
| #define _FP_KEEPNANFRACP 1 | |
| /* | |
| * If one NaN is signaling and the other is not, | |
| * we choose that one, otherwise we choose X. | |
| */ | |
| #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ | |
| do { \ | |
| if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ | |
| && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ | |
| { \ | |
| R##_s = Y##_s; \ | |
| _FP_FRAC_COPY_##wc(R,Y); \ | |
| } \ | |
| else \ | |
| { \ | |
| R##_s = X##_s; \ | |
| _FP_FRAC_COPY_##wc(R,X); \ | |
| } \ | |
| R##_c = FP_CLS_NAN; \ | |
| } while (0) | |
| //#define FP_ROUNDMODE FPSCR_RM | |
| #define FP_DENORM_ZERO 1/*FPSCR_DN*/ | |
| /* Exception flags. */ | |
| #define FP_EX_INVALID (1<<4) | |
| #define FP_EX_DIVZERO (1<<3) | |
| #define FP_EX_OVERFLOW (1<<2) | |
| #define FP_EX_UNDERFLOW (1<<1) | |
| #define FP_EX_INEXACT (1<<0) | |
| #endif | |