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{
Copyright (c) 1998-2000 by Florian Klaempfl
Implements the assembler classes specific for the Alpha
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
{
Implements the assembler classes specific for the Alpha.
}
unit aasmcpu;
{$i fpcdefs.inc}
interface
uses
aasmbase,globals,verbose,
cpubase,aasmtai,aasmdata,aasmsym;
type
tai_frame = class(tai)
G,R : TRegister;
LS,LU : longint;
Constructor Create (GP : Tregister; Localsize : Longint; RA : TRegister; L : longint);
end;
tai_ent = class(tai)
Name : string;
Constructor Create (const ProcName : String);
end;
taicpu = class(tai_cpu_abstract_sym)
constructor op_none(op : tasmop);
constructor op_reg(op : tasmop;_op1 : tregister);
constructor op_const(op : tasmop;_op1 : longint);
constructor op_ref(op : tasmop;_op1 : preference);
constructor op_reg_reg(op : tasmop;_op1,_op2 : tregister);
constructor op_reg_ref(op : tasmop;_op1 : tregister;_op2 : preference);
constructor op_reg_const(op:tasmop; _op1: tregister; _op2: longint);
constructor op_const_reg(op : tasmop;_op1 : longint;_op2 : tregister);
constructor op_const_const(op : tasmop;_op1,_op2 : longint);
constructor op_const_ref(op : tasmop;_op1 : longint;_op2 : preference);
constructor op_ref_reg(op : tasmop;_op1 : preference;_op2 : tregister);
{ this is only allowed if _op1 is an int value (_op1^.isintvalue=true) }
constructor op_ref_ref(op : tasmop;_op1,_op2 : preference);
constructor op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
constructor op_reg_const_reg(op : tasmop;_op1 : tregister;_op2 : longint;_op3 : tregister);
constructor op_const_ref_reg(op : tasmop;_op1 : longint;_op2 : preference;_op3 : tregister);
constructor op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister; _op3 : preference);
constructor op_const_reg_ref(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : preference);
constructor op_reg_ref_const(op : tasmop;_op1 : tregister;_op2 : preference;_op3 : longint);
{ this is for Jmp instructions }
constructor op_cond_sym(op : tasmop;cond:TAsmCond;_op1 : tasmsymbol);
constructor op_sym(op : tasmop;_op1 : tasmsymbol);
constructor op_sym_ofs(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint);
constructor op_sym_ofs_reg(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;_op2 : tregister);
constructor op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;_op2 : preference);
end;
tai_align = class(tai_align_abstract)
{ nothing to add }
end;
procedure InitAsm;
procedure DoneAsm;
implementation
{*****************************************************************************
taicpu Constructors
*****************************************************************************}
constructor taicpu.op_none(op : tasmop);
begin
inherited create(op);
end;
constructor taicpu.op_reg(op : tasmop;_op1 : tregister);
begin
inherited create(op);
ops:=1;
end;
constructor taicpu.op_const(op : tasmop;_op1 : longint);
begin
inherited create(op);
ops:=1;
end;
constructor taicpu.op_ref(op : tasmop;_op1 : preference);
begin
inherited create(op);
ops:=1;
end;
constructor taicpu.op_reg_reg(op : tasmop;_op1,_op2 : tregister);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_reg_const(op:tasmop; _op1: tregister; _op2: longint);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_reg_ref(op : tasmop;_op1 : tregister;_op2 : preference);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_const_reg(op : tasmop;_op1 : longint;_op2 : tregister);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_const_const(op : tasmop;_op1,_op2 : longint);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_const_ref(op : tasmop;_op1 : longint;_op2 : preference);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_ref_reg(op : tasmop;_op1 : preference;_op2 : tregister);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_ref_ref(op : tasmop;_op1,_op2 : preference);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_reg_reg_reg(op : tasmop;_op1,_op2,_op3 : tregister);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_reg_const_reg(op : tasmop;_op1 : tregister;_op2 : longint;_op3 : tregister);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_reg_reg_ref(op : tasmop;_op1,_op2 : tregister;_op3 : preference);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_const_ref_reg(op : tasmop;_op1 : longint;_op2 : preference;_op3 : tregister);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_const_reg_ref(op : tasmop;_op1 : longint;_op2 : tregister;_op3 : preference);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_reg_ref_const(op : tasmop;_op1 : tregister;_op2 : preference;_op3 : longint);
begin
inherited create(op);
ops:=3;
end;
constructor taicpu.op_cond_sym(op : tasmop;cond:TAsmCond;_op1 : tasmsymbol);
begin
inherited create(op);
condition:=cond;
ops:=1;
end;
constructor taicpu.op_sym(op : tasmop;_op1 : tasmsymbol);
begin
inherited create(op);
ops:=1;
end;
constructor taicpu.op_sym_ofs(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint);
begin
inherited create(op);
ops:=1;
end;
constructor taicpu.op_sym_ofs_reg(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;_op2 : tregister);
begin
inherited create(op);
ops:=2;
end;
constructor taicpu.op_sym_ofs_ref(op : tasmop;_op1 : tasmsymbol;_op1ofs:longint;_op2 : preference);
begin
inherited create(op);
ops:=2;
end;
Constructor tai_frame.create (GP : Tregister; Localsize : Longint; RA : TRegister; L : longint);
begin
Inherited Create;
typ:=ait_frame;
G:=GP;
R:=RA;
LS:=LocalSize;
LU:=L;
end;
Constructor tai_ent.Create (const ProcName : String);
begin
Inherited Create;
typ:=ait_ent;
Name:=ProcName;
end;
procedure InitAsm;
begin
end;
procedure DoneAsm;
begin
end;
end.
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