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diff --git a/compiler/js/cgcpu.pas b/compiler/js/cgcpu.pas
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+{
+ Copyright (c) 2010 by Jonas Maebe
+
+ This unit implements the code generator for JS
+
+ 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 cgcpu;
+
+{$i fpcdefs.inc}
+
+interface
+
+ uses
+ globtype,parabase,
+ cgbase,cgutils,cgobj,cghlcpu,
+ aasmbase,aasmtai,aasmdata,aasmcpu,
+ cpubase,cpuinfo,
+ node,symconst,SymType,symdef,
+ rgcpu;
+
+ type
+ TCgJS=class(thlbasecgcpu)
+ public
+ procedure init_register_allocators;override;
+ procedure done_register_allocators;override;
+ function getintregister(list:TAsmList;size:Tcgsize):Tregister;override;
+ function getfpuregister(list:TAsmList;size:Tcgsize):Tregister;override;
+ function getaddressregister(list:TAsmList):Tregister;override;
+ procedure do_register_allocation(list:TAsmList;headertai:tai);override;
+ end;
+
+ procedure create_codegen;
+
+implementation
+
+ uses
+ globals,verbose,systems,cutils,
+ paramgr,fmodule,
+ tgobj,
+ procinfo,cpupi;
+
+
+{****************************************************************************
+ Assembler code
+****************************************************************************}
+
+ procedure TCgJS.init_register_allocators;
+ begin
+ inherited init_register_allocators;
+{$ifndef cpu64bitaddr}
+ rg[R_INTREGISTER]:=Trgcpu.create(R_INTREGISTER,R_SUBD,
+ [RS_R0],first_int_imreg,[]);
+{$else not cpu64bitaddr}
+ rg[R_INTREGISTER]:=Trgcpu.create(R_INTREGISTER,R_SUBQ,
+ [RS_R0],first_int_imreg,[]);
+{$endif not cpu64bitaddr}
+ rg[R_FPUREGISTER]:=trgcpu.create(R_FPUREGISTER,R_SUBFS,
+ [RS_R0],first_fpu_imreg,[]);
+ rg[R_MMREGISTER]:=trgcpu.create(R_MMREGISTER,R_SUBNONE,
+ [RS_R0],first_mm_imreg,[]);
+ end;
+
+
+ procedure TCgJS.done_register_allocators;
+ begin
+ rg[R_INTREGISTER].free;
+ rg[R_FPUREGISTER].free;
+ rg[R_MMREGISTER].free;
+ inherited done_register_allocators;
+ end;
+
+
+ function TCgJS.getintregister(list:TAsmList;size:Tcgsize):Tregister;
+ begin
+ if not(size in [OS_64,OS_S64]) then
+ result:=rg[R_INTREGISTER].getregister(list,R_SUBD)
+ else
+ result:=rg[R_INTREGISTER].getregister(list,R_SUBQ);
+ end;
+
+
+ function TCgJS.getfpuregister(list:TAsmList;size:Tcgsize):Tregister;
+ begin
+ if size=OS_F64 then
+ result:=rg[R_FPUREGISTER].getregister(list,R_SUBFD)
+ else
+ result:=rg[R_FPUREGISTER].getregister(list,R_SUBFS);
+ end;
+
+
+ function TCgJS.getaddressregister(list:TAsmList):Tregister;
+ begin
+ { avoid problems in the compiler where int and addr registers are
+ mixed for now; we currently don't have to differentiate between the
+ two as far as the jvm backend is concerned }
+ result:=rg[R_INTREGISTER].getregister(list,R_SUBD)
+ end;
+
+
+ procedure TCgJS.do_register_allocation(list:TAsmList;headertai:tai);
+ begin
+ { We only run the "register allocation" once for an arbitrary allocator,
+ which will perform the register->temp mapping for all register types.
+ This allows us to easily reuse temps. }
+ trgcpu(rg[R_INTREGISTER]).do_all_register_allocation(list,headertai);
+ end;
+
+
+ procedure create_codegen;
+ begin
+ cg:=TCgJS.Create;
+ end;
+
+end.