mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-05-03 23:23:41 +02:00
73 lines
1.9 KiB
ObjectPascal
73 lines
1.9 KiB
ObjectPascal
{
|
|
$Id$
|
|
Copyright (c) 1998 by Jonas Maebe
|
|
|
|
This unit calls the optimization procedures to optimize the assembler
|
|
code for i386+
|
|
|
|
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 aopt386;
|
|
|
|
Interface
|
|
|
|
Uses aasm;
|
|
|
|
Procedure Optimize(AsmL: PAasmOutput);
|
|
|
|
Implementation
|
|
|
|
Uses globals, i386, DAOpt386, POpt386, CSOpt386;
|
|
|
|
Procedure Optimize(AsmL: PAasmOutput);
|
|
Var BlockEnd: Pai;
|
|
Begin
|
|
{setup labeltable, always necessary}
|
|
DFAPass1(AsmL);
|
|
{peephole optimizations}
|
|
PeepHoleOptPass1(AsmL);
|
|
PeepHoleOptPass1(AsmL);
|
|
{data flow analyzer}
|
|
If (cs_slowoptimize in aktglobalswitches) Then
|
|
Begin
|
|
BlockEnd := DFAPass2(AsmL);
|
|
If BlockEnd <> Nil Then
|
|
{common subexpression elimination}
|
|
CSE(AsmL, Pai(AsmL^.First), BlockEnd);
|
|
End;
|
|
{more peephole optimizations}
|
|
PeepHoleOptPass2(AsmL);
|
|
{dispose labeltabel}
|
|
ShutDownDFA;
|
|
End;
|
|
|
|
End.
|
|
|
|
{
|
|
$Log$
|
|
Revision 1.22 1998-08-19 16:07:57 jonas
|
|
* changed optimizer switches + cleanup of DestroyRefs in daopt386.pas
|
|
|
|
Revision 1.21 1998/08/06 19:40:29 jonas
|
|
* removed $ before and after Log in comment
|
|
|
|
Revision 1.20 1998/08/05 16:00:08 florian
|
|
* some fixes for ansi strings
|
|
* log to Log changed
|
|
|
|
}
|