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346 lines
9.7 KiB
ObjectPascal
346 lines
9.7 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2000 by Florian Klaempfl
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Contains the assembler object for the PowerPC
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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 cpuasm;
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interface
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uses
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cobjects,
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aasm,globals,verbose,
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cpubase, tainst;
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type
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paicpu = ^taicpu;
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taicpu = object(tainstruction)
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constructor op_none(op : tasmop);
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constructor op_reg(op : tasmop;_op1 : tregister);
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constructor op_const(op : tasmop;_op1 : longint);
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constructor op_reg_reg(op : tasmop;_op1,_op2 : tregister);
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constructor op_reg_ref(op : tasmop;_op1 : tregister;_op2 : preference);
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constructor op_reg_const(op:tasmop; _op1: tregister; _op2: longint);
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constructor op_const_reg(op:tasmop; _op1: longint; _op2: tregister);
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constructor op_const_const(op : tasmop;_op1,_op2 : longint);
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constructor op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
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constructor op_reg_reg_const(op : tasmop;_op1,_op2 : tregister; _op3: Longint);
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constructor op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: pasmsymbol;_op3ofs: longint);
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constructor op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; _op3: preference);
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constructor op_const_reg_reg(op : tasmop;_op1 : longint;_op2, _op3 : tregister);
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constructor op_const_reg_const(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : longint);
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constructor op_reg_reg_reg_reg(op : tasmop;_op1,_op2,_op3,_op4 : tregister);
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constructor op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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constructor op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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constructor op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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{ this is for Jmp instructions }
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constructor op_cond_sym(op : tasmop;cond:TAsmCond;_op1 : pasmsymbol);
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constructor op_const_const_sym(op : tasmop;_op1,_op2 : longint;_op3: pasmsymbol);
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constructor op_sym(op : tasmop;_op1 : pasmsymbol);
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constructor op_sym_ofs(op : tasmop;_op1 : pasmsymbol;_op1ofs:longint);
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constructor op_reg_sym_ofs(op : tasmop;_op1 : tregister;_op2:pasmsymbol;_op2ofs : longint);
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constructor op_sym_ofs_ref(op : tasmop;_op1 : pasmsymbol;_op1ofs:longint;_op2 : preference);
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procedure loadbool(opidx:longint;_b:boolean);
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destructor done;virtual;
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private
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end;
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implementation
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{*****************************************************************************
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taicpu Constructors
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*****************************************************************************}
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procedure taicpu.loadbool(opidx:longint;_b:boolean);
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begin
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if opidx>=ops then
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ops:=opidx+1;
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with oper[opidx] do
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begin
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if typ=top_ref then
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disposereference(ref);
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b:=_b;
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typ:=top_bool;
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end;
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end;
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constructor taicpu.op_none(op : tasmop);
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begin
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inherited init(op);
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end;
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constructor taicpu.op_reg(op : tasmop;_op1 : tregister);
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begin
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inherited init(op);
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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;_op1 : longint);
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begin
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inherited init(op);
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ops:=1;
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loadconst(0,_op1);
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end;
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constructor taicpu.op_reg_reg(op : tasmop;_op1,_op2 : tregister);
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begin
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inherited init(op);
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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; _op1: tregister; _op2: longint);
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begin
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inherited init(op);
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ops:=2;
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loadreg(0,_op1);
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loadconst(1,_op2);
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end;
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constructor taicpu.op_const_reg(op:tasmop; _op1: longint; _op2: tregister);
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begin
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inherited init(op);
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ops:=2;
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loadconst(0,_op1);
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loadreg(1,_op2);
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end;
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constructor taicpu.op_reg_ref(op : tasmop;_op1 : tregister;_op2 : preference);
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begin
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inherited init(op);
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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_const(op : tasmop;_op1,_op2 : longint);
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begin
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inherited init(op);
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ops:=2;
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loadconst(0,_op1);
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loadconst(1,_op2);
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end;
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constructor taicpu.op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
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begin
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inherited init(op);
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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_reg_reg_const(op : tasmop;_op1,_op2 : tregister; _op3: Longint);
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begin
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inherited init(op);
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ops:=3;
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadconst(2,_op3);
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end;
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constructor taicpu.op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: pasmsymbol;_op3ofs: longint);
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begin
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inherited init(op);
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ops:=3;
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadsymbol(0,_op3,_op3ofs);
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end;
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constructor taicpu.op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; _op3: preference);
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begin
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inherited init(op);
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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_reg_reg(op : tasmop;_op1 : longint;_op2, _op3 : tregister);
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begin
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inherited init(op);
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ops:=3;
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loadconst(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_const(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : longint);
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begin
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inherited init(op);
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ops:=3;
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loadconst(0,_op1);
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loadreg(1,_op2);
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loadconst(2,_op3);
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end;
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constructor taicpu.op_reg_reg_reg_reg(op : tasmop;_op1,_op2,_op3,_op4 : tregister);
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begin
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inherited init(op);
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ops:=4;
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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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loadreg(3,_op4);
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end;
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constructor taicpu.op_reg_bool_reg_reg(op : tasmop;_op1: tregister;_op2:boolean;_op3,_op4:tregister);
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begin
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inherited init(op);
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ops:=4;
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loadreg(0,_op1);
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loadbool(1,_op2);
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loadreg(2,_op3);
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loadreg(3,_op4);
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end;
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constructor taicpu.op_reg_bool_reg_const(op : tasmop;_op1: tregister;_op2:boolean;_op3:tregister;_op4: longint);
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begin
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inherited init(op);
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ops:=4;
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loadreg(0,_op1);
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loadbool(0,_op2);
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loadreg(0,_op3);
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loadconst(0,_op4);
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end;
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constructor taicpu.op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : Longint);
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begin
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inherited init(op);
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ops:=5;
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loadreg(0,_op1);
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loadreg(1,_op2);
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loadconst(2,_op3);
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loadconst(3,_op4);
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loadconst(4,_op5);
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end;
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constructor taicpu.op_cond_sym(op : tasmop;cond:TAsmCond;_op1 : pasmsymbol);
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begin
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inherited init(op);
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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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constructor taicpu.op_const_const_sym(op : tasmop;_op1,_op2 : longint; _op3: pasmsymbol);
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begin
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inherited init(op);
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ops:=3;
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loadconst(0,_op1);
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loadconst(1,_op2);
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loadsymbol(2,_op3,0);
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end;
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constructor taicpu.op_sym(op : tasmop;_op1 : pasmsymbol);
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begin
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inherited init(op);
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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_sym_ofs(op : tasmop;_op1 : pasmsymbol;_op1ofs:longint);
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begin
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inherited init(op);
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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_reg_sym_ofs(op : tasmop;_op1 : tregister;_op2:pasmsymbol;_op2ofs : longint);
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begin
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inherited init(op);
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ops:=2;
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loadreg(0,_op1);
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loadsymbol(1,_op2,_op2ofs);
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end;
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constructor taicpu.op_sym_ofs_ref(op : tasmop;_op1 : pasmsymbol;_op1ofs:longint;_op2 : preference);
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begin
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inherited init(op);
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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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destructor taicpu.done;
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var
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i : longint;
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begin
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for i:=ops-1 downto 0 do
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if (oper[i].typ=top_ref) then
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dispose(oper[i].ref);
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inherited done;
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end;
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end.
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{
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$Log$
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Revision 1.1 2000-07-13 06:30:12 michael
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+ Initial import
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Revision 1.5 2000/01/07 01:14:58 peter
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* updated copyright to 2000
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Revision 1.4 1999/08/25 12:00:24 jonas
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* changed pai386, paippc and paiapha (same for tai*) to paicpu (taicpu)
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Revision 1.3 1999/08/06 16:41:11 jonas
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* PowerPC compiles again, several routines implemented in cgcpu.pas
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* added constant to cpubase of alpha and powerpc for maximum
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number of operands
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Revision 1.2 1999/08/04 12:59:24 jonas
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* all tokes now start with an underscore
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* PowerPC compiles!!
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Revision 1.1 1999/08/03 23:37:53 jonas
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+ initial implementation for PowerPC based on the Alpha stuff
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} |