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@@ -1,130 +0,0 @@
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-{
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- Copyright (c) 1998-2002 by Florian Klaempfl
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-
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- This unit implements the powerpc specific class for the register
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- allocator
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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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-}
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-
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-unit rgcpu;
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-
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-{$i fpcdefs.inc}
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-
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- interface
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-
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- uses
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- aasmbase,aasmtai,aasmdata,
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- cpubase,
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- rgobj;
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-
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- type
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- trgcpu = class(trgobj)
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-{
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- function getcpuregisterint(list: TAsmList; reg: Tnewregister): tregister; override;
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- procedure ungetregisterint(list: TAsmList; reg: tregister); override;
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- function getcpuregisterfpu(list : TAsmList; r : Toldregister) : tregister;override;
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- procedure ungetregisterfpu(list: TAsmList; r : tregister; size:TCGsize);override;
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- procedure cleartempgen; override;
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- private
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- usedpararegs: Tsupregset;
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- usedparafpuregs: tregisterset;
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-}
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- end;
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-
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- implementation
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-
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- uses
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- cgobj, verbose, cutils;
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-
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-(*
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- function trgcpu.getcpuregisterint(list: TAsmList; reg: Tnewregister): tregister;
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-
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- begin
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- if ((reg shr 8) in [RS_R0]) and
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- not((reg shr 8) in is_reg_var_int) then
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- begin
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- if (reg shr 8) in usedpararegs then
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- internalerror(2003060701);
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-{ comment(v_warning,'Double allocation of register '+tostr((reg shr 8)-1));}
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- include(usedpararegs,reg shr 8);
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- result.enum:=R_INTREGISTER;
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- result.number:=reg;
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- cg.a_reg_alloc(list,result);
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- end
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- else result := inherited getcpuregisterint(list,reg);
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- end;
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-
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-
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- procedure trgcpu.ungetregisterint(list: TAsmList; reg: tregister);
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-
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- begin
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- if ((reg.number shr 8) in [RS_R0]) and
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- not((reg.number shr 8) in is_reg_var_int) then
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- begin
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- if not((reg.number shr 8) in usedpararegs) then
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- internalerror(2003060702);
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-{ comment(v_warning,'Double free of register '+tostr((reg.number shr 8)-1));}
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- exclude(usedpararegs,reg.number shr 8);
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- cg.a_reg_dealloc(list,reg);
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- end
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- else
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- inherited ungetregisterint(list,reg);
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- end;
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-
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-
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- function trgcpu.getcpuregisterfpu(list : TAsmList; r : Toldregister) : tregister;
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- begin
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- if (r in [R_F1..R_F13]) and
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- not is_reg_var_other[r] then
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- begin
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- if r in usedparafpuregs then
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- internalerror(2003060902);
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- include(usedparafpuregs,r);
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- result.enum := r;
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- cg.a_reg_alloc(list,result);
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- end
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- else
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- result := inherited getcpuregisterfpu(list,r);
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- end;
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-
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-
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- procedure trgcpu.ungetregisterfpu(list: TAsmList; r : tregister; size:TCGsize);
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- begin
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- if (r.enum in [R_F1..R_F13]) and
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- not is_reg_var_other[r.enum] then
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- begin
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- if not(r.enum in usedparafpuregs) then
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- internalerror(2003060903);
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- exclude(usedparafpuregs,r.enum);
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- cg.a_reg_dealloc(list,r);
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- end
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- else
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- inherited ungetregisterfpu(list,r,size);
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- end;
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-
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-
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- procedure trgcpu.cleartempgen;
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-
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- begin
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- inherited cleartempgen;
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- usedpararegs := [];
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- usedparafpuregs := [];
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- end;
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-*)
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-
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-end.
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