fpc/compiler/x86_64/nx64cal.pas
peter b7fe6797bf Merged revisions 2921-2922,2925 via svnmerge from
http://svn.freepascal.org/svn/fpc/branches/linker/compiler

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r2921 | peter | 2006-03-15 08:35:00 +0100 (Wed, 15 Mar 2006) | 2 lines

  * pass ObjectWriter to ObjectOuput

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r2922 | peter | 2006-03-15 12:40:30 +0100 (Wed, 15 Mar 2006) | 2 lines

  * refactor asmdata

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r2925 | peter | 2006-03-15 16:09:39 +0100 (Wed, 15 Mar 2006) | 3 lines

  * add cfi to asmdata
  * move asmlist, asmcfi, asmdata to own unit

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git-svn-id: trunk@2932 -
2006-03-16 08:52:22 +00:00

63 lines
1.6 KiB
ObjectPascal

{
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,aasmdata,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;
current_asmdata.CurrAsmList.concat(taicpu.op_const_reg(A_MOV,S_Q,mmregs,NR_RAX))
end;
end;
begin
ccallnode:=tx8664callnode;
end.