pcsx2/plugins/GSdx/GSFunctionMap.cpp

58 lines
1.2 KiB
C++

/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GSFunctionMap.h"
void GSCodeGenerator::enter(uint32 size, bool align)
{
#ifdef _M_AMD64
push(r15);
mov(r15, rsp);
if(size > 0) sub(rsp, size);
if(align) and(rsp, 0xfffffffffffffff0);
#else
push(ebp);
mov(ebp, esp);
if(size > 0) sub(esp, size);
if(align) and(esp, 0xfffffff0);
#endif
}
void GSCodeGenerator::leave()
{
#ifdef _M_AMD64
mov(rsp, r15);
pop(r15);
#else
mov(esp, ebp);
pop(ebp);
#endif
}