fpc/compiler/avr/aoptcpu.pas
florian bc73f9021c Merged revisions 5891-10167,10169-10180 via svnmerge from
http://svn.freepascal.org/svn/fpc/branches/avr

........
  r5891 | florian | 2007-01-11 17:30:12 +0100 (Do, 11 Jan 2007) | 2 lines
  
  + some initial work
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  r10170 | florian | 2008-02-03 11:02:04 +0100 (So, 03 Feb 2008) | 2 lines
  
  * continued to work on avr port
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  r10180 | florian | 2008-02-03 15:29:30 +0100 (So, 03 Feb 2008) | 2 lines
  
  + a lot of skeleton code for avr added
........

git-svn-id: trunk@10186 -
2008-02-03 17:21:52 +00:00

65 lines
1.6 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by Jonas Maebe, member of the Free Pascal
Development Team
This unit implements the ARM optimizer object
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.
****************************************************************************
}
Unit aoptcpu;
{$i fpcdefs.inc}
Interface
uses cpubase, aasmtai, aopt, aoptcpub;
Type
TCpuAsmOptimizer = class(TAsmOptimizer)
{ uses the same constructor as TAopObj }
function PeepHoleOptPass1Cpu(var p: tai): boolean; override;
procedure PeepHoleOptPass2;override;
End;
Implementation
uses
aasmbase,aasmcpu;
function CanBeCond(p : tai) : boolean;
begin
result:=(p.typ=ait_instruction) and (taicpu(p).condition=C_None);
end;
function TCpuAsmOptimizer.PeepHoleOptPass1Cpu(var p: tai): boolean;
var
next1: tai;
begin
result := false;
end;
procedure TCpuAsmOptimizer.PeepHoleOptPass2;
begin
end;
begin
casmoptimizer:=TCpuAsmOptimizer;
End.