1 files changed, 69 insertions, 0 deletions
diff --git a/compiler/alpha/rgcpu.pas b/compiler/alpha/rgcpu.pas
new file mode 100644
index 0000000000..23a1ca06e5
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+++ b/compiler/alpha/rgcpu.pas
@@ -0,0 +1,69 @@
+{
+    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.