fpc/compiler/arm/narminl.pas

{
    $Id$
    Copyright (c) 1998-2002 by Florian Klaempfl

    Generates ARM inline 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 narminl;

{$i fpcdefs.inc}

interface

    uses
      node,ninl,ncginl;

    type
      tarminlinenode = class(tcgInlineNode)
        function first_abs_real: tnode; override;
        function first_sqr_real: tnode; override;
        function first_sqrt_real: tnode; override;
        { atn,sin,cos,lgn isn't supported by the linux fpe
        function first_arctan_real: tnode; override;
        function first_ln_real: tnode; override;
        function first_cos_real: tnode; override;
        function first_sin_real: tnode; override;
        }
        procedure second_abs_real; override;
        procedure second_sqr_real; override;
        procedure second_sqrt_real; override;
        { atn,sin,cos,lgn isn't supported by the linux fpe
        procedure second_arctan_real; override;
        procedure second_ln_real; override;
        procedure second_cos_real; override;
        procedure second_sin_real; override;
        }
      private
        procedure load_fpu_location;
      end;


implementation

    uses
      globtype,systems,
      cutils,verbose,globals,fmodule,
      symconst,symdef,
      aasmbase,aasmtai,aasmcpu,
      cgbase,cgutils,
      pass_1,pass_2,
      cpubase,paramgr,
      nbas,ncon,ncal,ncnv,nld,
      tgobj,ncgutil,cgobj,cg64f32,rgobj,rgcpu,cgcpu;

{*****************************************************************************
                              tarminlinenode
*****************************************************************************}

    procedure tarminlinenode.load_fpu_location;
      begin
        secondpass(left);
        location_force_fpureg(exprasmlist,left.location,true);
        location_copy(location,left.location);
        if left.location.loc=LOC_CFPUREGISTER then
          begin
           location.register:=cg.getfpuregister(exprasmlist,location.size);
           location.loc := LOC_FPUREGISTER;
         end;
      end;


    function tarminlinenode.first_abs_real : tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        first_abs_real := nil;
      end;


    function tarminlinenode.first_sqr_real : tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        first_sqr_real:=nil;
      end;


    function tarminlinenode.first_sqrt_real : tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        first_sqrt_real := nil;
      end;


    { atn,sin,cos,lgn isn't supported by the linux fpe
    function tarminlinenode.first_arctan_real: tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        result:=nil;
      end;


    function tarminlinenode.first_ln_real: tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        result:=nil;
      end;

    function tarminlinenode.first_cos_real: tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        result:=nil;
      end;


    function tarminlinenode.first_sin_real: tnode;
      begin
        expectloc:=LOC_FPUREGISTER;
        registersint:=left.registersint;
        registersfpu:=max(left.registersfpu,1);
        result:=nil;
      end;
    }


    procedure tarminlinenode.second_abs_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_ABS,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;


    procedure tarminlinenode.second_sqr_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg_reg(A_MUF,location.register,left.location.register,left.location.register),get_fpu_postfix(resulttype.def)));
      end;


    procedure tarminlinenode.second_sqrt_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_SQT,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;


    { atn, sin, cos, lgn isn't supported by the linux fpe
    procedure tarminlinenode.second_arctan_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_ATN,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;


    procedure tarminlinenode.second_ln_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_LGN,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;

    procedure tarminlinenode.second_cos_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_COS,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;


    procedure tarminlinenode.second_sin_real;
      begin
        load_fpu_location;
        exprasmlist.concat(setoppostfix(taicpu.op_reg_reg(A_SIN,location.register,location.register),get_fpu_postfix(resulttype.def)));
      end;
    }

begin
  cinlinenode:=tarminlinenode;
end.
{
  $Log$
  Revision 1.9  2005-01-06 12:11:03  florian
    * arctan, sin and cos are done in software on the arm

  Revision 1.8  2004/11/01 17:41:28  florian
    * fixed arm compilation with cgutils
    * ...

  Revision 1.7  2004/06/20 08:55:31  florian
    * logs truncated

  Revision 1.6  2004/03/16 22:12:10  florian
    * some alignment issues resolved
    * compiler doesn't generate anymore instructions not supported by the linux fpe

  Revision 1.5  2004/02/03 22:32:54  peter
    * renamed xNNbittype to xNNinttype
    * renamed registers32 to registersint
    * replace some s32bit,u32bit with torddef([su]inttype).def.typ

  Revision 1.4  2004/01/27 15:04:06  florian
    * fixed code generation for math inl. nodes
    * more code generator improvements

  Revision 1.3  2004/01/20 21:02:56  florian
    * fixed symbol type writing for arm-linux
    * fixed assembler generation for abs

}