diff options
Diffstat (limited to 'include/asm-sparc64/sfp-machine.h')
| -rw-r--r-- | include/asm-sparc64/sfp-machine.h | 94 |
1 files changed, 1 insertions, 93 deletions
diff --git a/include/asm-sparc64/sfp-machine.h b/include/asm-sparc64/sfp-machine.h index c9331b0..7bbc4fe 100644 --- a/include/asm-sparc64/sfp-machine.h +++ b/include/asm-sparc64/sfp-machine.h @@ -1,93 +1 @@ -/* Machine-dependent software floating-point definitions. - Sparc64 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) 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_norm(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 << 1) - 1) -#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1) -#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 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. - */ -/* For _Qp_* and _Q_*, this should prefer X, for - * CPU instruction emulation this should prefer Y. - * (see SPAMv9 B.2.2 section). - */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ - do { \ - if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \ - && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ - { \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R,X); \ - } \ - else \ - { \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R,Y); \ - } \ - R##_c = FP_CLS_NAN; \ - } while (0) - -/* Obtain the current rounding mode. */ -#ifndef FP_ROUNDMODE -#define FP_ROUNDMODE ((current_thread_info()->xfsr[0] >> 30) & 0x3) -#endif - -/* Exception flags. */ -#define FP_EX_INVALID (1 << 4) -#define FP_EX_OVERFLOW (1 << 3) -#define FP_EX_UNDERFLOW (1 << 2) -#define FP_EX_DIVZERO (1 << 1) -#define FP_EX_INEXACT (1 << 0) - -#define FP_HANDLE_EXCEPTIONS return _fex - -#define FP_INHIBIT_RESULTS ((current_thread_info()->xfsr[0] >> 23) & _fex) - -#define FP_TRAPPING_EXCEPTIONS ((current_thread_info()->xfsr[0] >> 23) & 0x1f) - -#endif +#include <asm-sparc/sfp-machine.h> |
