pcsx2/common/include/x86emitter/implement/group3.h

110 lines
3.5 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 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 {
enum G3Type
{
G3Type_NOT = 2,
G3Type_NEG = 3,
G3Type_MUL = 4,
G3Type_iMUL = 5, // partial implementation, iMul has additional forms in ix86.cpp
G3Type_DIV = 6,
G3Type_iDIV = 7
};
// --------------------------------------------------------------------------------------
// xImpl_Group3
// --------------------------------------------------------------------------------------
struct xImpl_Group3
{
G3Type InstType;
void operator()( const xRegisterInt& from ) const;
void operator()( const ModSib32orLess& from ) const;
#if 0
template< typename T >
void operator()( const xDirectOrIndirect<T>& from ) const
{
_DoI_helpermess( *this, from );
}
#endif
};
// --------------------------------------------------------------------------------------
// xImpl_MulDivBase
// --------------------------------------------------------------------------------------
// This class combines x86 and SSE/SSE2 instructions for iMUL and iDIV.
//
struct xImpl_MulDivBase
{
G3Type InstType;
u16 OpcodeSSE;
void operator()( const xRegisterInt& from ) const;
void operator()( const ModSib32orLess& from ) const;
const xImplSimd_DestRegSSE PS;
const xImplSimd_DestRegSSE PD;
const xImplSimd_DestRegSSE SS;
const xImplSimd_DestRegSSE SD;
};
// --------------------------------------------------------------------------------------
// xImpl_iDiv
// --------------------------------------------------------------------------------------
struct xImpl_iDiv
{
void operator()( const xRegisterInt& from ) const;
void operator()( const ModSib32orLess& from ) const;
const xImplSimd_DestRegSSE PS;
const xImplSimd_DestRegSSE PD;
const xImplSimd_DestRegSSE SS;
const xImplSimd_DestRegSSE SD;
};
// --------------------------------------------------------------------------------------
// xImpl_iMul
// --------------------------------------------------------------------------------------
//
struct xImpl_iMul
{
void operator()( const xRegisterInt& from ) const;
void operator()( const ModSib32orLess& from ) const;
// The following iMul-specific forms are valid for 16 and 32 bit register operands only!
void operator()( const xRegister32& to, const xRegister32& from ) const;
void operator()( const xRegister32& to, const ModSibBase& src ) const;
void operator()( const xRegister16& to, const xRegister16& from ) const;
void operator()( const xRegister16& to, const ModSibBase& src ) const;
void operator()( const xRegister32& to, const xRegister32& from, s32 imm ) const;
void operator()( const xRegister32& to, const ModSibBase& from, s32 imm ) const;
void operator()( const xRegister16& to, const xRegister16& from, s16 imm ) const;
void operator()( const xRegister16& to, const ModSibBase& from, s16 imm ) const;
const xImplSimd_DestRegSSE PS;
const xImplSimd_DestRegSSE PD;
const xImplSimd_DestRegSSE SS;
const xImplSimd_DestRegSSE SD;
};
}