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{
Copyright (c) 1998-2002 by Florian Klaempfl
This unit implements the powerpc specific class for the register
allocator
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 rgcpu;
{$i fpcdefs.inc}
interface
uses
aasmbase,aasmtai,
cpubase,
rgobj;
type
trgcpu = class(trgobj)
function getcpuregisterint(list: taasmoutput; reg: tregister): tregister; override;
procedure ungetregisterint(list: taasmoutput; reg: tregister); override;
end;
implementation
uses
cgobj;
function trgcpu.getcpuregisterint(list: taasmoutput; reg: tregister): tregister;
begin
if reg = R_0 then
begin
cg.a_reg_alloc(list,reg);
result := reg;
end
else result := inherited getcpuregisterint(list,reg);
end;
procedure trgcpu.ungetregisterint(list: taasmoutput; reg: tregister);
begin
if reg = R_0 then
cg.a_reg_dealloc(list,reg)
else
inherited ungetregisterint(list,reg);
end;
initialization
rg := trgcpu.create;
end.
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