mirror of
https://gitlab.com/freepascal.org/fpc/source.git
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445 lines
12 KiB
ObjectPascal
445 lines
12 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2001 by Florian Klaempfl and Pierre Muller
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m68k family assembler instructions
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit aasmcpu;
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{$i fpcdefs.inc}
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interface
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uses
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cclasses,aasmtai,
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aasmbase,globals,verbose,
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cpubase,cpuinfo,cgbase;
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const
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{ "mov reg,reg" source operand number }
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O_MOV_SOURCE = 0;
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{ "mov reg,reg" source operand number }
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O_MOV_DEST = 1;
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type
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taicpu = class(tai_cpu_abstract)
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opsize : topsize;
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constructor op_none(op : tasmop;_size : topsize);
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constructor op_reg(op : tasmop;_size : topsize;_op1 : tregister);
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constructor op_const(op : tasmop;_size : topsize;_op1 : longint);
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constructor op_ref(op : tasmop;_size : topsize;_op1 : treference);
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constructor op_reg_reg(op : tasmop;_size : topsize;_op1,_op2 : tregister);
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constructor op_reg_ref(op : tasmop;_size : topsize;_op1 : tregister;_op2 : treference);
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constructor op_reg_const(op:tasmop; _size: topsize; _op1: tregister; _op2: longint);
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constructor op_const_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister);
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constructor op_const_const(op : tasmop;_size : topsize;_op1,_op2 : longint);
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constructor op_const_ref(op : tasmop;_size : topsize;_op1 : longint;_op2 : treference);
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constructor op_ref_reg(op : tasmop;_size : topsize;_op1 : treference;_op2 : tregister);
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{ this is only allowed if _op1 is an int value (_op1^.isintvalue=true) }
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constructor op_ref_ref(op : tasmop;_size : topsize;_op1,_op2 : treference);
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constructor op_reg_reg_reg(op : tasmop;_size : topsize;_op1,_op2,_op3 : tregister);
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constructor op_const_reg_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister;_op3 : tregister);
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constructor op_const_ref_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : treference;_op3 : tregister);
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constructor op_reg_reg_ref(op : tasmop;_size : topsize;_op1,_op2 : tregister; _op3 : treference);
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constructor op_const_reg_ref(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister;_op3 : treference);
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constructor op_reg_regset(op: tasmop; _size : topsize; _op1: tregister;const _op2: tcpuregisterset);
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constructor op_regset_reg(op: tasmop; _size : topsize;const _op1: tcpuregisterset; _op2: tregister);
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constructor op_ref_regset(op: tasmop; _size : topsize; _op1: treference;const _op2: tcpuregisterset);
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constructor op_regset_ref(op: tasmop; _size : topsize;const _op1: tcpuregisterset; _op2: treference);
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{ this is for Jmp instructions }
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constructor op_cond_sym(op : tasmop;cond:TAsmCond;_size : topsize;_op1 : tasmsymbol);
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constructor op_sym(op : tasmop;_size : topsize;_op1 : tasmsymbol);
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{ for DBxx opcodes }
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constructor op_reg_sym(op: tasmop; _size : topsize; _op1: tregister; _op2 :tasmsymbol);
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constructor op_sym_ofs_reg(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint;_op2 : tregister);
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constructor op_sym_ofs(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint);
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constructor op_sym_ofs_ref(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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private
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procedure loadregset(opidx:longint;const s:tcpuregisterset);
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procedure init(_size : topsize); { this need to be called by all constructor }
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end;
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tai_align = class(tai_align_abstract)
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{ nothing to add }
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end;
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procedure InitAsm;
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procedure DoneAsm;
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implementation
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uses
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globtype;
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{*****************************************************************************
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Taicpu Constructors
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*****************************************************************************}
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procedure taicpu.loadregset(opidx:longint;const s:tcpuregisterset);
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var
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i : byte;
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begin
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allocate_oper(opidx+1);
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with oper[opidx]^ do
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begin
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if typ<>top_regset then
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clearop(opidx);
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new(regset);
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regset^:=s;
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typ:=top_regset;
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for i:=RS_D0 to RS_D7 do
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begin
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if assigned(add_reg_instruction_hook) and (i in regset^) then
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add_reg_instruction_hook(self,newreg(R_INTREGISTER,i,R_SUBWHOLE));
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end;
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for i:=RS_A0 to RS_SP do
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begin
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if assigned(add_reg_instruction_hook) and (i in regset^) then
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add_reg_instruction_hook(self,newreg(R_ADDRESSREGISTER,i,R_SUBWHOLE));
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end;
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end;
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end;
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procedure taicpu.init(_size : topsize);
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begin
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typ:=ait_instruction;
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is_jmp:=false;
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opsize:=_size;
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ops:=0;
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end;
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constructor taicpu.op_none(op : tasmop;_size : topsize);
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begin
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inherited create(op);
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init(_size);
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end;
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constructor taicpu.op_reg(op : tasmop;_size : topsize;_op1 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=1;
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loadreg(0,_op1);
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end;
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constructor taicpu.op_const(op : tasmop;_size : topsize;_op1 : longint);
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begin
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inherited create(op);
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init(_size);
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ops:=1;
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loadconst(0,aword(_op1));
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end;
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constructor taicpu.op_ref(op : tasmop;_size : topsize;_op1 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=1;
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loadref(0,_op1);
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end;
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constructor taicpu.op_reg_reg(op : tasmop;_size : topsize;_op1,_op2 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadreg(0,_op1);
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loadreg(1,_op2);
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end;
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constructor taicpu.op_reg_const(op:tasmop; _size: topsize; _op1: tregister; _op2: longint);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadreg(0,_op1);
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loadconst(1,aword(_op2));
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end;
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constructor taicpu.op_reg_ref(op : tasmop;_size : topsize;_op1 : tregister;_op2 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadreg(0,_op1);
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loadref(1,_op2);
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end;
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constructor taicpu.op_const_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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end;
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constructor taicpu.op_const_const(op : tasmop;_size : topsize;_op1,_op2 : longint);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadconst(0,aword(_op1));
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loadconst(1,aword(_op2));
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end;
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constructor taicpu.op_const_ref(op : tasmop;_size : topsize;_op1 : longint;_op2 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadconst(0,aword(_op1));
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loadref(1,_op2);
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end;
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constructor taicpu.op_ref_reg(op : tasmop;_size : topsize;_op1 : treference;_op2 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadref(0,_op1);
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loadreg(1,_op2);
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end;
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constructor taicpu.op_ref_ref(op : tasmop;_size : topsize;_op1,_op2 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadref(0,_op1);
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loadref(1,_op2);
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end;
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constructor taicpu.op_reg_reg_reg(op : tasmop;_size : topsize;_op1,_op2,_op3 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=3;
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadreg(2,_op3);
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end;
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constructor taicpu.op_const_reg_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister;_op3 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=3;
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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loadreg(2,_op3);
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end;
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constructor taicpu.op_reg_reg_ref(op : tasmop;_size : topsize;_op1,_op2 : tregister;_op3 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=3;
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadref(2,_op3);
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end;
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constructor taicpu.op_const_ref_reg(op : tasmop;_size : topsize;_op1 : longint;_op2 : treference;_op3 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=3;
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loadconst(0,aword(_op1));
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loadref(1,_op2);
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loadreg(2,_op3);
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end;
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constructor taicpu.op_const_reg_ref(op : tasmop;_size : topsize;_op1 : longint;_op2 : tregister;_op3 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=3;
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loadconst(0,aword(_op1));
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loadreg(1,_op2);
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loadref(2,_op3);
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end;
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constructor taicpu.op_ref_regset(op: tasmop; _size : topsize; _op1: treference;const _op2: tcpuregisterset);
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Begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadref(0,_op1);
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loadregset(1,_op2);
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end;
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constructor taicpu.op_regset_ref(op: tasmop; _size : topsize;const _op1: tcpuregisterset; _op2: treference);
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Begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadregset(0,_op1);
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loadref(1,_op2);
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End;
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constructor taicpu.op_reg_regset(op: tasmop; _size : topsize; _op1: tregister;const _op2: tcpuregisterset);
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Begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadreg(0,_op1);
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loadregset(1,_op2);
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end;
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constructor taicpu.op_regset_reg(op: tasmop; _size : topsize;const _op1: tcpuregisterset; _op2: tregister);
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Begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadregset(0,_op1);
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loadreg(1,_op2);
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End;
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constructor taicpu.op_sym(op : tasmop;_size : topsize;_op1 : tasmsymbol);
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begin
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inherited create(op);
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init(_size);
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ops:=1;
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loadsymbol(0,_op1,0);
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end;
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constructor taicpu.op_reg_sym(op: tasmop; _size : topsize; _op1: tregister; _op2 :tasmsymbol);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadreg(0,_op1);
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loadsymbol(1,_op2,0);
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end;
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constructor taicpu.op_sym_ofs_ref(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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loadsymbol(0,_op1,_op1ofs);
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loadref(1,_op2);
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end;
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constructor taicpu.op_sym_ofs(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint);
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begin
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inherited create(op);
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init(_size);
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ops:=1;
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loadsymbol(0,_op1,_op1ofs);
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end;
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constructor taicpu.op_sym_ofs_reg(op : tasmop;_size : topsize;_op1 : tasmsymbol;_op1ofs:longint;_op2 : tregister);
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begin
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inherited create(op);
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init(_size);
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ops:=2;
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if ((op >= A_DBCC) and (op <= A_DBF))
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or ((op >= A_FDBEQ) and (op <= A_FDBNGLE)) then
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begin
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loadreg(0,_op2);
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loadsymbol(1,_op1,_op1ofs);
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end
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else
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begin
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loadsymbol(0,_op1,_op1ofs);
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loadreg(1,_op2);
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end;
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end;
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constructor taicpu.op_cond_sym(op : tasmop;cond:TAsmCond;_size : topsize;_op1 : tasmsymbol);
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begin
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inherited create(op);
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init(_size);
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condition:=cond;
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ops:=1;
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loadsymbol(0,_op1,0);
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end;
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procedure InitAsm;
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begin
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end;
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procedure DoneAsm;
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begin
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end;
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end.
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{
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$Log$
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Revision 1.13 2004-06-20 08:55:31 florian
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* logs truncated
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Revision 1.12 2004/06/20 08:47:33 florian
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* spilling of doubles on sparc fixed
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Revision 1.11 2004/05/06 22:01:54 florian
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* register numbers for address registers fixed
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Revision 1.10 2004/01/30 12:17:18 florian
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* fixed some m68k compilation problems
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}
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