mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-05 11:18:18 +02:00
91 lines
2.1 KiB
ObjectPascal
91 lines
2.1 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2002 by Jonas Maebe, member of the Free Pascal
|
|
Development Team
|
|
|
|
This unit implements the Risc-V32 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;
|
|
|
|
Interface
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
uses
|
|
cpubase,
|
|
aoptobj, aoptcpub, aopt, aoptcpurv,
|
|
aasmtai,aasmdata, aasmcpu;
|
|
|
|
Type
|
|
TCpuAsmOptimizer = class(TRVCpuAsmOptimizer)
|
|
{ uses the same constructor as TAopObj }
|
|
function PeepHoleOptPass1Cpu(var p: tai): boolean; override;
|
|
|
|
function PostPeepHoleOptsCpu(var p: tai): boolean; override;
|
|
End;
|
|
|
|
Implementation
|
|
|
|
uses
|
|
cutils, verbose, cgbase, cgcpu, cgobj;
|
|
|
|
|
|
function TCpuAsmOptimizer.PeepHoleOptPass1Cpu(var p: tai): boolean;
|
|
var
|
|
next1, next2: tai;
|
|
l1, l2, shlcount: longint;
|
|
begin
|
|
result := inherited PeepHoleOptPass1Cpu(p);
|
|
if result then
|
|
exit;
|
|
|
|
case p.typ of
|
|
ait_instruction:
|
|
begin
|
|
{case taicpu(p).opcode of
|
|
end;}
|
|
end;
|
|
else
|
|
;
|
|
end;
|
|
end;
|
|
|
|
|
|
function TCpuAsmOptimizer.PostPeepHoleOptsCpu(var p: tai): boolean;
|
|
var
|
|
next1: tai;
|
|
begin
|
|
result := inherited PostPeepHoleOptsCpu(p);
|
|
if result then
|
|
exit;
|
|
|
|
case p.typ of
|
|
ait_instruction:
|
|
begin
|
|
end;
|
|
else
|
|
;
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
casmoptimizer:=TCpuAsmOptimizer;
|
|
End.
|