2aaafa76a2
Currently no speedup and no slowdown - about the same results on my Bochs benchmarking A lot of code reorganization in fetchdecode
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/////////////////////////////////////////////////////////////////////////
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// $Id: lazy_flags.h,v 1.32 2008-04-04 22:39:45 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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/////////////////////////////////////////////////////////////////////////
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#ifndef BX_LAZY_FLAGS_DEF
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#define BX_LAZY_FLAGS_DEF
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#define BX_LF_INSTR_ADD8 1
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#define BX_LF_INSTR_ADD16 2
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#define BX_LF_INSTR_ADD32 3
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#define BX_LF_INSTR_ADD64 4
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// used only if CF = 1 when executing ADC instruction
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#define BX_LF_INSTR_ADC8 5
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#define BX_LF_INSTR_ADC16 6
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#define BX_LF_INSTR_ADC32 7
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#define BX_LF_INSTR_ADC64 8
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#define BX_LF_INSTR_ADD_ADC8(cf) (1 + ((cf)<<2))
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#define BX_LF_INSTR_ADD_ADC16(cf) (2 + ((cf)<<2))
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#define BX_LF_INSTR_ADD_ADC32(cf) (3 + ((cf)<<2))
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#define BX_LF_INSTR_ADD_ADC64(cf) (4 + ((cf)<<2))
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#define BX_LF_INSTR_SUB8 9
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#define BX_LF_INSTR_SUB16 10
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#define BX_LF_INSTR_SUB32 11
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#define BX_LF_INSTR_SUB64 12
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// used only if CF = 1 when executing SBB instruction
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#define BX_LF_INSTR_SBB8 13
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#define BX_LF_INSTR_SBB16 14
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#define BX_LF_INSTR_SBB32 15
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#define BX_LF_INSTR_SBB64 16
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#define BX_LF_INSTR_SUB_SBB8(cf) (9 + ((cf)<<2))
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#define BX_LF_INSTR_SUB_SBB16(cf) (10 + ((cf)<<2))
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#define BX_LF_INSTR_SUB_SBB32(cf) (11 + ((cf)<<2))
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#define BX_LF_INSTR_SUB_SBB64(cf) (12 + ((cf)<<2))
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#define BX_LF_INSTR_INC8 17
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#define BX_LF_INSTR_INC16 18
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#define BX_LF_INSTR_INC32 19
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#define BX_LF_INSTR_INC64 20
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#define BX_LF_INSTR_DEC8 21
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#define BX_LF_INSTR_DEC16 22
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#define BX_LF_INSTR_DEC32 23
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#define BX_LF_INSTR_DEC64 24
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#define BX_LF_INSTR_NEG8 25
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#define BX_LF_INSTR_NEG16 26
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#define BX_LF_INSTR_NEG32 27
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#define BX_LF_INSTR_NEG64 28
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#define BX_LF_INSTR_LOGIC8 29
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#define BX_LF_INSTR_LOGIC16 30
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#define BX_LF_INSTR_LOGIC32 31
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#define BX_LF_INSTR_LOGIC64 32
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#if BX_SUPPORT_X86_64
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#define BX_LF_SIGN_BIT 63
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#else
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#define BX_LF_SIGN_BIT 31
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#endif
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typedef struct {
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Bit8u op1_8;
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Bit8u op2_8;
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Bit16u op1_16;
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Bit16u op2_16;
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Bit32u op1_32;
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Bit32u op2_32;
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#if BX_SUPPORT_X86_64
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Bit64u op1_64;
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Bit64u op2_64;
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#endif
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bx_address result;
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unsigned instr;
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} bx_lf_flags_entry;
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#endif // BX_LAZY_FLAGS_DEF
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