1 files changed, 62 insertions, 0 deletions
diff --git a/compiler/x86_64/nx64cal.pas b/compiler/x86_64/nx64cal.pas
new file mode 100644
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+++ b/compiler/x86_64/nx64cal.pas
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+{
+    Copyright (c) 2002 by Florian Klaempfl
+
+    Implements the x86-64 specific part of call 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 bymethodpointer
+    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 nx64cal;
+
+{$i fpcdefs.inc}
+
+interface
+
+    uses
+      ncal,ncgcal;
+
+    type
+       tx8664callnode = class(tcgcallnode)
+         procedure extra_call_code;override;
+       end;
+
+
+implementation
+
+    uses
+      globtype,
+      cpubase,
+      aasmtai,aasmcpu;
+
+    procedure tx8664callnode.extra_call_code;
+      var
+        mmregs : aint;
+      begin
+        { x86_64 requires %al to contain the no. SSE regs passed }
+        if cnf_uses_varargs in callnodeflags then
+          begin
+            if assigned(varargsparas) then
+              mmregs:=varargsparas.mmregsused
+            else
+              mmregs:=0;
+            exprasmlist.concat(taicpu.op_const_reg(A_MOV,S_Q,mmregs,NR_RAX))
+          end;
+      end;
+
+
+begin
+   ccallnode:=tx8664callnode;
+end.