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- /* 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
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