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74 lines
2.2 KiB
ObjectPascal
74 lines
2.2 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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Generate i386 assembler for in set/case nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit n386set;
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{$i fpcdefs.inc}
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interface
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uses
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globtype,
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node,nset,pass_1,nx86set;
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type
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ti386casenode = class(tx86casenode)
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procedure optimizevalues(var max_linear_list:aint;var max_dist:aword);override;
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end;
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implementation
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uses
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systems,
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verbose,globals,constexp,
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symconst,symdef,defutil,
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aasmbase,aasmtai,aasmdata,aasmcpu,
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cgbase,pass_2,
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ncon,
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cpubase,cpuinfo,procinfo,
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cga,cgutils,cgobj,ncgutil,
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cgx86;
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{*****************************************************************************
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TI386CASENODE
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*****************************************************************************}
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procedure ti386casenode.optimizevalues(var max_linear_list:aint;var max_dist:aword);
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begin
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{ a jump table crashes the pipeline! }
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if current_settings.optimizecputype=cpu_386 then
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inc(max_linear_list,3)
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else if current_settings.optimizecputype=cpu_Pentium then
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inc(max_linear_list,6)
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else if current_settings.optimizecputype in [cpu_Pentium2,cpu_Pentium3] then
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inc(max_linear_list,9)
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else if current_settings.optimizecputype=cpu_Pentium4 then
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inc(max_linear_list,14);
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end;
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begin
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ccasenode:=ti386casenode;
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end.
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