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https://gitlab.com/freepascal.org/fpc/source.git
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495 lines
16 KiB
ObjectPascal
495 lines
16 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1999-2002 by Jonas Maebe
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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 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;
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const
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{ "mov reg,reg" source operand number }
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O_MOV_SOURCE = 1;
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{ "mov reg,reg" source operand number }
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O_MOV_DEST = 0;
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type
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taicpu = class(taicpu_abstract)
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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;const _op2 : treference);
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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: tasmsymbol;_op3ofs: longint);
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constructor op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; const _op3: treference);
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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_reg_const_const(op : tasmop;_op1,_op2,_op3 : tregister;_op4,_op5 : 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 : tasmsymbol);
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constructor op_const_const_sym(op : tasmop;_op1,_op2 : longint;_op3: tasmsymbol);
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constructor op_sym(op : tasmop;_op1 : tasmsymbol);
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constructor op_sym_ofs(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint);
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constructor op_reg_sym_ofs(op : tasmop;_op1 : tregister;_op2:tasmsymbol;_op2ofs : longint);
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constructor op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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procedure loadbool(opidx:longint;_b:boolean);
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function is_nop: boolean; override;
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function is_move:boolean; override;
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function spill_registers(list:Taasmoutput;
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rgget:Trggetproc;
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rgunget:Trgungetproc;
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r:Tsupregset;
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var unusedregsint:Tsupregset;
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const spilltemplist:Tspill_temp_list):boolean; override;
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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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{*****************************************************************************
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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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dispose(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 create(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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031207);
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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 create(op);
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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_reg_reg(op : tasmop;_op1,_op2 : tregister);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031205);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031206);
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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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031208);
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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_const_reg(op:tasmop; _op1: longint; _op2: tregister);
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begin
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inherited create(op);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031209);
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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_reg_ref(op : tasmop;_op1 : tregister;const _op2 : treference);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031210);
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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 create(op);
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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_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031211);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031212);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031213);
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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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031214);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031215);
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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,aword(_op3));
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end;
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constructor taicpu.op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: tasmsymbol;_op3ofs: longint);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031216);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031217);
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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; const _op3: treference);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031218);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031219);
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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 create(op);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031221);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031220);
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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_const_reg_const(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : longint);
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begin
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inherited create(op);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031222);
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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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loadconst(2,aword(_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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031223);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031224);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031225);
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if (_op4.enum = R_INTREGISTER) and (_op4.number = NR_NO) then
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internalerror(2003031226);
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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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031227);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031228);
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if (_op4.enum = R_INTREGISTER) and (_op4.number = NR_NO) then
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internalerror(2003031229);
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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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031230);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031231);
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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,cardinal(_op4));
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end;
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constructor taicpu.op_reg_reg_reg_const_const(op : tasmop;_op1,_op2,_op3 : tregister;_op4,_op5 : Longint);
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begin
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inherited create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031232);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031233);
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if (_op3.enum = R_INTREGISTER) and (_op3.number = NR_NO) then
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internalerror(2003031233);
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ops:=5;
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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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loadconst(3,cardinal(_op4));
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loadconst(4,cardinal(_op5));
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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 create(op);
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if (_op1.enum = R_INTREGISTER) and (_op1.number = NR_NO) then
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internalerror(2003031232);
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if (_op2.enum = R_INTREGISTER) and (_op2.number = NR_NO) then
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internalerror(2003031233);
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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,aword(_op3));
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loadconst(3,cardinal(_op4));
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loadconst(4,cardinal(_op5));
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end;
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constructor taicpu.op_cond_sym(op : tasmop;cond:TAsmCond;_op1 : tasmsymbol);
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begin
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inherited create(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: tasmsymbol);
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begin
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inherited create(op);
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ops:=3;
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loadconst(0,aword(_op1));
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loadconst(1,aword(_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 : tasmsymbol);
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begin
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inherited create(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 : tasmsymbol;_op1ofs:longint);
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begin
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inherited create(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:tasmsymbol;_op2ofs : longint);
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begin
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inherited create(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 : tasmsymbol;_op1ofs:longint;const _op2 : treference);
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begin
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inherited create(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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{ ****************************** newra stuff *************************** }
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function taicpu.is_nop: boolean;
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begin
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{ we don't insert any more nops than necessary }
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is_nop := false;
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end;
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function taicpu.is_move:boolean;
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begin
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is_move := opcode = A_MR;
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end;
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function taicpu.spill_registers(list:Taasmoutput;
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rgget:Trggetproc;
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rgunget:Trgungetproc;
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r:Tsupregset;
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var unusedregsint:Tsupregset;
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const spilltemplist:Tspill_temp_list): boolean;
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begin
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internalerror(211);
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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 1.8 2003-06-14 22:32:43 jonas
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* ppc compiles with -dnewra, haven't tried to compile anything with it
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yet though
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Revision 1.7 2003/06/14 14:53:50 jonas
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* fixed newra cycle for x86
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* added constants for indicating source and destination operands of the
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"move reg,reg" instruction to aasmcpu (and use those in rgobj)
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Revision 1.6 2003/05/11 11:08:25 jonas
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+ op_reg_reg_reg_const_const (for rlwnm)
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Revision 1.5 2003/03/12 22:43:38 jonas
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* more powerpc and generic fixes related to the new register allocator
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Revision 1.4 2002/12/14 15:02:03 carl
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* maxoperands -> max_operands (for portability in rautils.pas)
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* fix some range-check errors with loadconst
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+ add ncgadd unit to m68k
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* some bugfix of a_param_reg with LOC_CREFERENCE
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Revision 1.3 2002/09/17 18:26:02 jonas
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- removed taicpu.destroy, its job is already handled by
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taicpu_abstract.destroy() and this caused heap corruption
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Revision 1.2 2002/07/26 11:19:57 jonas
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* fixed range errors
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Revision 1.1 2002/07/07 09:44:31 florian
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* powerpc target fixed, very simple units can be compiled
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Revision 1.8 2002/05/18 13:34:26 peter
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* readded missing revisions
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Revision 1.7 2002/05/16 19:46:53 carl
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+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
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+ try to fix temp allocation (still in ifdef)
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+ generic constructor calls
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+ start of tassembler / tmodulebase class cleanup
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Revision 1.4 2002/05/13 19:52:46 peter
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* a ppcppc can be build again
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}
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