freepascal.compiler/compiler/x86_64/nx64cal.pas

{
    $Id$
    Copyright (c) 2002 by Florian Klaempfl

    Implements the x86-64 specific part of call 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 bymethodpointer
    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 nx64cal;

{$i fpcdefs.inc}

interface

    uses
      ncal,ncgcal;

    type
       tx8664callnode = class(tcgcallnode)
         procedure extra_call_code;override;
       end;


implementation

    uses
      cpubase,
      aasmtai,aasmcpu;

    procedure tx8664callnode.extra_call_code;
      begin
        { x86_64 requires %al to contain the no. SSE regs passed }
        if assigned(varargsparas) then
          exprasmlist.concat(taicpu.op_const_reg(A_MOV,S_Q,varargsparas.mmregsused,NR_RAX));
      end;


begin
   ccallnode:=tx8664callnode;
end.
{
  $Log$
  Revision 1.2  2004-06-16 20:07:11  florian
    * dwarf branch merged

  Revision 1.1.2.1  2004/05/09 15:32:57  peter
    * new file for x86_64

}