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{
Copyright (c) 1998-2002 by Florian Klaempfl
Generate i386 assembler for in set/case nodes
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 n386set;
{$i fpcdefs.inc}
interface
uses
globtype,
node,nset,pass_1,nx86set;
type
ti386casenode = class(tx86casenode)
procedure optimizevalues(var max_linear_list:aint;var max_dist:aword);override;
end;
implementation
uses
globals,cpuinfo;
{*****************************************************************************
TI386CASENODE
*****************************************************************************}
procedure ti386casenode.optimizevalues(var max_linear_list:aint;var max_dist:aword);
begin
{ a jump table crashes the pipeline! }
if current_settings.optimizecputype=cpu_386 then
inc(max_linear_list,3)
else if current_settings.optimizecputype=cpu_Pentium then
inc(max_linear_list,6)
else if current_settings.optimizecputype=cpu_Pentium4 then
inc(max_linear_list,14)
else
{ default, also fine for cpu_Pentium2, cpu_Pentium3, cpu_PentiumM }
inc(max_linear_list,9);
end;
begin
ccasenode:=ti386casenode;
end.
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