pcsx2/common/include/x86emitter/implement/helpers.h

92 lines
2.5 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2009 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
namespace x86Emitter {
// helpermess is currently broken >_<
#if 0
template< typename xImpl, typename T >
void _DoI_helpermess( const xImpl& helpme, const xDirectOrIndirect& to, const xImmReg<T>& immOrReg )
{
if( to.IsDirect() )
{
if( immOrReg.IsReg() )
helpme( to.GetReg(), immOrReg.GetReg() );
else
helpme( to.GetReg(), immOrReg.GetImm() );
}
else
{
if( immOrReg.IsReg() )
helpme( to.GetMem(), immOrReg.GetReg() );
else
helpme( to.GetMem(), immOrReg.GetImm() );
}
}
template< typename xImpl, typename T >
void _DoI_helpermess( const xImpl& helpme, const ModSibBase& to, const xImmReg<T>& immOrReg )
{
if( immOrReg.IsReg() )
helpme( to, immOrReg.GetReg() );
else
helpme( (ModSibStrict)to, immOrReg.GetImm() );
}
template< typename xImpl, typename T >
void _DoI_helpermess( const xImpl& helpme, const xDirectOrIndirect<T>& to, int imm )
{
if( to.IsDirect() )
helpme( to.GetReg(), imm );
else
helpme( to.GetMem(), imm );
}
template< typename xImpl, typename T >
void _DoI_helpermess( const xImpl& helpme, const xDirectOrIndirect<T>& parm )
{
if( parm.IsDirect() )
helpme( parm.GetReg() );
else
helpme( parm.GetMem() );
}
template< typename xImpl, typename T >
void _DoI_helpermess( const xImpl& helpme, const xDirectOrIndirect<T>& to, const xDirectOrIndirect<T>& from )
{
if( to.IsDirect() && from.IsDirect() )
helpme( to.GetReg(), from.GetReg() );
else if( to.IsDirect() )
helpme( to.GetReg(), from.GetMem() );
else if( from.IsDirect() )
helpme( to.GetMem(), from.GetReg() );
else
// One of the fields needs to be direct, or else we cannot complete the operation.
// (intel doesn't support indirects in both fields)
pxFailDev( "Invalid asm instruction: Both operands are indirect memory addresses." );
}
#endif
} // End namespace x86Emitter