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+{******************************************************************************
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+ $Id$
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+ Copyright (c) 1998-2002 by Florian Klaempfl
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+
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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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+
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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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+
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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 nCpuInln;
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+{Generate SPARC inline nodes}
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+{$INCLUDE fpcdefs.inc}
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+interface
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+uses
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+ node,ninl,ncginl;
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+type
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+ tSparcInlineNode = class(tcgInlineNode)
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+ {first pass override, so that the code generator will actually generate
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+ these nodes.}
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+ function first_abs_real: tnode; override;
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+ function first_sqr_real: tnode; override;
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+ function first_sqrt_real: tnode; override;
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+ procedure second_abs_real; override;
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+ procedure second_sqr_real; override;
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+ procedure second_sqrt_real; override;
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+ private
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+ procedure load_fpu_location;
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+ end;
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+implementation
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+uses
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+ globtype,systems,
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+ cutils,verbose,globals,fmodule,
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+ symconst,symdef,
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+ aasmbase,aasmtai,aasmcpu,
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+ cginfo,cgbase,pass_1,pass_2,
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+ cpubase,paramgr,
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+ nbas,ncon,ncal,ncnv,nld,
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+ cga,tgobj,ncgutil,cgobj,cg64f32,rgobj,rgcpu;
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+{*****************************************************************************
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+ TSparcInlineNode
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+*****************************************************************************}
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+function tSparcInlineNode.first_abs_real : tnode;
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+ begin
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+ location.loc:=LOC_FPUREGISTER;
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+ registers32:=left.registers32;
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+ registersfpu:=max(left.registersfpu,1);
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+ first_abs_real := nil;
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+ end;
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+function tSparcInlineNode.first_sqr_real : tnode;
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+ begin
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+ location.loc:=LOC_FPUREGISTER;
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+ registers32:=left.registers32;
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+ registersfpu:=max(left.registersfpu,1);
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+ first_sqr_real := nil;
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+ end;
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+function tSparcInlineNode.first_sqrt_real : tnode;
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+ begin
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+ location.loc:=LOC_FPUREGISTER;
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+ registers32:=left.registers32;
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+ registersfpu:=max(left.registersfpu,1);
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+ first_sqrt_real := nil;
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+ end;
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+{ load the FPU into the an fpu register }
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+procedure tSparcInlineNode.load_fpu_location;
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+ begin
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+ location_reset(location,LOC_FPUREGISTER,def_cgsize(resulttype.def));
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+ secondpass(left);
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+ case left.location.loc of
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+ LOC_FPUREGISTER:
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+ location.register := left.location.register;
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+ LOC_CFPUREGISTER:
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+ begin
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+ location.register := rg.getregisterfpu(exprasmlist);
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+ end;
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+ LOC_REFERENCE,LOC_CREFERENCE:
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+ begin
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+ location.register := rg.getregisterfpu(exprasmlist);
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+ cg.a_loadfpu_ref_reg(exprasmlist,
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+ def_cgsize(left.resulttype.def),
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+ left.location.reference,location.register);
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+ location_release(exprasmlist,left.location);
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+ location_reset(left.location,LOC_FPUREGISTER,
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+ left.location.size);
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+ left.location.register := location.register;
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+ end
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+ else
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+ internalerror(309991);
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+ end;
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+ end;
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+procedure tSparcInlineNode.second_abs_real;
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+ begin
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+ load_fpu_location;
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+ exprasmlist.concat(taicpu.op_reg_reg(A_NONE,location.register,
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+ left.location.register));
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+ end;
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+procedure tSparcInlineNode.second_sqr_real;
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+ begin
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+ load_fpu_location;
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+ exprasmlist.concat(taicpu.op_reg_reg_reg(A_FMULS,location.register,
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+ left.location.register,left.location.register));
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+ end;
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+procedure tSparcInlineNode.second_sqrt_real;
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+ begin
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+ load_fpu_location;
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+ exprasmlist.concat(taicpu.op_reg_reg(A_NONE,location.register,
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+ left.location.register));
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+ end;
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+begin
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+ cInlineNode:=tSparcInlineNode;
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+end.
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+{
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+ $Log$
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+ Revision 1.1 2002-11-30 20:03:49 mazen
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+ + ncpuinln node
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+
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+ Revision 1.3 2002/09/18 09:19:37 jonas
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+ * fixed LOC_REFERENCE/LOC_CREFERENCE problems
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+
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+ Revision 1.2 2002/08/19 17:35:42 jonas
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+ * fixes
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+
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+ Revision 1.1 2002/08/10 17:15:00 jonas
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+ + abs, sqr, sqrt implementations
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+}
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