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430 lines
12 KiB
ObjectPascal
430 lines
12 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,
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globtype,globals,verbose,
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aasmbase,aasmtai,
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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 = 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(tai_cpu_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 : aint);
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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: aint);
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constructor op_const_reg(op:tasmop; _op1: aint; _op2: tregister);
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constructor op_const_const(op : tasmop;_op1,_op2 : aint);
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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: aint);
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constructor op_reg_reg_sym_ofs(op : tasmop;_op1,_op2 : tregister; _op3: tasmsymbol;_op3ofs: aint);
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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 : aint;_op2, _op3 : tregister);
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constructor op_const_reg_const(op : tasmop;_op1 : aint;_op2 : tregister;_op3 : aint);
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constructor op_const_const_const(op : tasmop;_op1 : aint;_op2 : aint;_op3 : aint);
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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: aint);
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constructor op_reg_reg_reg_const_const(op : tasmop;_op1,_op2,_op3 : tregister;_op4,_op5 : aint);
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constructor op_reg_reg_const_const_const(op : tasmop;_op1,_op2 : tregister;_op3,_op4,_op5 : aint);
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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 : aint;_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:aint);
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constructor op_reg_sym_ofs(op : tasmop;_op1 : tregister;_op2:tasmsymbol;_op2ofs : aint);
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constructor op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:aint;const _op2 : treference);
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procedure loadbool(opidx:aint;_b:boolean);
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function is_same_reg_move(regtype: Tregistertype):boolean; override;
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{ register spilling code }
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function spilling_get_operation_type(opnr: aint): topertype;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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function spilling_create_load(const ref:treference;r:tregister): tai;
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function spilling_create_store(r:tregister; const ref:treference): tai;
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implementation
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uses cutils,rgobj;
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{*****************************************************************************
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taicpu Constructors
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*****************************************************************************}
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procedure taicpu.loadbool(opidx:aint;_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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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 : aint);
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begin
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inherited create(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 create(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: aint);
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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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loadconst(1,_op2);
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end;
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constructor taicpu.op_const_reg(op:tasmop; _op1: aint; _op2: tregister);
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begin
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inherited create(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;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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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 : aint);
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begin
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inherited create(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 create(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: aint);
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begin
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inherited create(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: tasmsymbol;_op3ofs: aint);
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begin
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inherited create(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; const _op3: treference);
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begin
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inherited create(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 : aint;_op2, _op3 : tregister);
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begin
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inherited create(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 : aint;_op2 : tregister;_op3 : aint);
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begin
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inherited create(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_const_const_const(op : tasmop;_op1 : aint;_op2 : aint;_op3 : aint);
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begin
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inherited create(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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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 create(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 create(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: aint);
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begin
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inherited create(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,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 : aint);
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begin
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inherited create(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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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 : aint);
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begin
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inherited create(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 : 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 : aint; _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,_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 : 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:aint);
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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 : aint);
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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:aint;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_same_reg_move(regtype: Tregistertype):boolean;
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begin
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result :=
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(((opcode=A_MR) and
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(regtype = R_INTREGISTER)) or
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((opcode = A_FMR) and
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(regtype = R_FPUREGISTER))) and
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{ these opcodes can only have registers as operands }
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(oper[0]^.reg=oper[1]^.reg);
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end;
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function taicpu.spilling_get_operation_type(opnr: aint): topertype;
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begin
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result := operand_read;
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case opcode of
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A_STB,A_STBX,A_STH,A_STHX,A_STW,A_STWX,A_STBU,A_STBUX,A_STHU,A_STHUX,A_STWU,A_STWUX:
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begin
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if opnr = 1 then
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result := operand_write;
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end;
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else
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if opnr = 0 then
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result := operand_write;
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end;
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end;
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function spilling_create_load(const ref:treference;r:tregister): tai;
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begin
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result:=taicpu.op_reg_ref(A_LWZ,r,ref);
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end;
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function spilling_create_store(r:tregister; const ref:treference): tai;
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begin
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result:=taicpu.op_reg_ref(A_STW,r,ref);
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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 1.27 2004-06-20 08:55:31 florian
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* logs truncated
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Revision 1.26 2004/06/17 16:55:46 peter
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* powerpc compiles again
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Revision 1.25 2004/02/08 23:10:21 jonas
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* taicpu.is_same_reg_move() now gets a regtype parameter so it only
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removes moves of that particular register type. This is necessary so
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we don't remove the live_start instruction of a register before it
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has been processed
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Revision 1.24 2004/02/08 20:15:42 jonas
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- removed taicpu.is_reg_move because it's not used anymore
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+ support tracking fpu register moves by rgobj for the ppc
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}
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