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pcsx2/common/include/x86emitter/instructions.h

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/* 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/>.
*/
/*
* ix86 definitions v0.9.1
*
* Original Authors (v0.6.2 and prior):
* linuzappz <linuzappz@pcsx.net>
* alexey silinov
* goldfinger
* zerofrog(@gmail.com)
*
* Authors of v0.9.1:
* Jake.Stine(@gmail.com)
* cottonvibes(@gmail.com)
* sudonim(1@gmail.com)
*/
#pragma once
namespace x86Emitter
{
extern void xStoreReg( const xRegisterSSE& src );
extern void xRestoreReg( const xRegisterSSE& dest );
// ------------------------------------------------------------------------
// Group 1 Instruction Class
extern const xImpl_Group1 xADC;
extern const xImpl_Group1 xSBB;
extern const xImpl_G1Logic xAND;
extern const xImpl_G1Logic xOR;
extern const xImpl_G1Logic xXOR;
extern const xImpl_G1Arith xADD;
extern const xImpl_G1Arith xSUB;
extern const xImpl_G1Compare xCMP;
// ------------------------------------------------------------------------
// Group 2 Instruction Class
//
// Optimization Note: For Imm forms, we ignore the instruction if the shift count is
// zero. This is a safe optimization since any zero-value shift does not affect any
// flags.
extern const xImpl_Mov xMOV;
extern const xImpl_Test xTEST;
extern const xImpl_Group2 xROL, xROR,
xRCL, xRCR,
xSHL, xSHR,
xSAR;
// ------------------------------------------------------------------------
// Group 3 Instruction Class
extern const xImpl_Group3 xNOT, xNEG;
extern const xImpl_Group3 xUMUL, xUDIV;
extern const xImpl_iDiv xDIV;
extern const xImpl_iMul xMUL;
extern const xImpl_IncDec xINC, xDEC;
extern const xImpl_MovExtend xMOVZX, xMOVSX;
extern const xImpl_DwordShift xSHLD, xSHRD;
extern const xImpl_Group8 xBT;
extern const xImpl_Group8 xBTR;
extern const xImpl_Group8 xBTS;
extern const xImpl_Group8 xBTC;
extern const xImpl_BitScan xBSF, xBSR;
extern const xImpl_JmpCall xJMP;
#ifdef __x86_64__
// 32 bits Call won't be compatible in 64 bits (different ABI)
// Just a reminder to port the code
[[deprecated]] extern const xImpl_JmpCall xCALL;
#else
extern const xImpl_JmpCall xCALL;
#endif
extern const xImpl_FastCall xFastCall;
// ------------------------------------------------------------------------
extern const xImpl_CMov
xCMOVA, xCMOVAE,
xCMOVB, xCMOVBE,
xCMOVG, xCMOVGE,
xCMOVL, xCMOVLE,
xCMOVZ, xCMOVE,
xCMOVNZ, xCMOVNE,
xCMOVO, xCMOVNO,
xCMOVC, xCMOVNC,
xCMOVS, xCMOVNS,
xCMOVPE, xCMOVPO;
// ------------------------------------------------------------------------
extern const xImpl_Set
xSETA, xSETAE,
xSETB, xSETBE,
xSETG, xSETGE,
xSETL, xSETLE,
xSETZ, xSETE,
xSETNZ, xSETNE,
xSETO, xSETNO,
xSETC, xSETNC,
xSETS, xSETNS,
xSETPE, xSETPO;
// ------------------------------------------------------------------------
// BMI extra instruction requires BMI1/BMI2
extern const xImplBMI_RVM xMULX, xPDEP, xPEXT, xANDN_S; // Warning xANDN is already used by SSE
//////////////////////////////////////////////////////////////////////////////////////////
// Miscellaneous Instructions
// These are all defined inline or in ix86.cpp.
//
extern void xBSWAP( const xRegister32or64& to );
// ----- Lea Instructions (Load Effective Address) -----
// Note: alternate (void*) forms of these instructions are not provided since those
// forms are functionally equivalent to Mov reg,imm, and thus better written as MOVs
// instead.
extern void xLEA( xRegister64 to, const xIndirectVoid& src, bool preserve_flags=false );
extern void xLEA( xRegister32 to, const xIndirectVoid& src, bool preserve_flags=false );
extern void xLEA( xRegister16 to, const xIndirectVoid& src, bool preserve_flags=false );
// ----- Push / Pop Instructions -----
// Note: pushad/popad implementations are intentionally left out. The instructions are
// invalid in x64, and are super slow on x32. Use multiple Push/Pop instructions instead.
extern void xPOP( const xIndirectVoid& from );
extern void xPUSH( const xIndirectVoid& from );
extern void xPOP( xRegister32or64 from );
extern void xPUSH( u32 imm );
extern void xPUSH( xRegister32or64 from );
// pushes the EFLAGS register onto the stack
extern void xPUSHFD();
// pops the EFLAGS register from the stack
extern void xPOPFD();
// ----- Miscellaneous Instructions -----
// Various Instructions with no parameter and no special encoding logic.
extern void xLEAVE();
extern void xRET();
extern void xCBW();
extern void xCWD();
extern void xCDQ();
extern void xCWDE();
extern void xLAHF();
extern void xSAHF();
extern void xSTC();
extern void xCLC();
// NOP 1-byte
extern void xNOP();
extern void xINT( u8 imm );
extern void xINTO();
//////////////////////////////////////////////////////////////////////////////////////////
// Helper object to handle the various functions ABI
class xScopedStackFrame
{
bool m_base_frame;
bool m_save_base_pointer;
int m_offset;
public:
xScopedStackFrame(bool base_frame, bool save_base_pointer = false, int offset = 0);
~xScopedStackFrame();
};
//////////////////////////////////////////////////////////////////////////////////////////
// JMP / Jcc Instructions!
extern void xJcc( JccComparisonType comparison, const void* target );
extern s8* xJcc8( JccComparisonType comparison=Jcc_Unconditional, s8 displacement=0 );
extern s32* xJcc32( JccComparisonType comparison=Jcc_Unconditional, s32 displacement=0 );
// ------------------------------------------------------------------------
// Conditional jumps to fixed targets.
// Jumps accept any pointer as a valid target (function or data), and will generate either
// 8 or 32 bit displacement versions of the jump, depending on relative displacement of
// the target (efficient!)
//
template< typename T > __fi void xJE( T* func ) { xJcc( Jcc_Equal, (void*)(uptr)func ); }
template< typename T > __fi void xJZ( T* func ) { xJcc( Jcc_Zero, (void*)(uptr)func ); }
template< typename T > __fi void xJNE( T* func ) { xJcc( Jcc_NotEqual, (void*)(uptr)func ); }
template< typename T > __fi void xJNZ( T* func ) { xJcc( Jcc_NotZero, (void*)(uptr)func ); }
template< typename T > __fi void xJO( T* func ) { xJcc( Jcc_Overflow, (void*)(uptr)func ); }
template< typename T > __fi void xJNO( T* func ) { xJcc( Jcc_NotOverflow, (void*)(uptr)func ); }
template< typename T > __fi void xJC( T* func ) { xJcc( Jcc_Carry, (void*)(uptr)func ); }
template< typename T > __fi void xJNC( T* func ) { xJcc( Jcc_NotCarry, (void*)(uptr)func ); }
template< typename T > __fi void xJS( T* func ) { xJcc( Jcc_Signed, (void*)(uptr)func ); }
template< typename T > __fi void xJNS( T* func ) { xJcc( Jcc_Unsigned, (void*)(uptr)func ); }
template< typename T > __fi void xJPE( T* func ) { xJcc( Jcc_ParityEven, (void*)(uptr)func ); }
template< typename T > __fi void xJPO( T* func ) { xJcc( Jcc_ParityOdd, (void*)(uptr)func ); }
template< typename T > __fi void xJL( T* func ) { xJcc( Jcc_Less, (void*)(uptr)func ); }
template< typename T > __fi void xJLE( T* func ) { xJcc( Jcc_LessOrEqual, (void*)(uptr)func ); }
template< typename T > __fi void xJG( T* func ) { xJcc( Jcc_Greater, (void*)(uptr)func ); }
template< typename T > __fi void xJGE( T* func ) { xJcc( Jcc_GreaterOrEqual, (void*)(uptr)func ); }
template< typename T > __fi void xJB( T* func ) { xJcc( Jcc_Below, (void*)(uptr)func ); }
template< typename T > __fi void xJBE( T* func ) { xJcc( Jcc_BelowOrEqual, (void*)(uptr)func ); }
template< typename T > __fi void xJA( T* func ) { xJcc( Jcc_Above, (void*)(uptr)func ); }
template< typename T > __fi void xJAE( T* func ) { xJcc( Jcc_AboveOrEqual, (void*)(uptr)func ); }
// ------------------------------------------------------------------------
// Forward Jump Helpers (act as labels!)
#define DEFINE_FORWARD_JUMP( label, cond ) \
template< typename OperandType > \
class xForward##label : public xForwardJump<OperandType> \
{ \
public: \
xForward##label() : xForwardJump<OperandType>( cond ) {} \
};
// ------------------------------------------------------------------------
// Note: typedefs below are defined individually in order to appease Intellisense
// resolution. Including them into the class definition macro above breaks it.
typedef xForwardJump<s8> xForwardJump8;
typedef xForwardJump<s32> xForwardJump32;
DEFINE_FORWARD_JUMP( JA, Jcc_Above );
DEFINE_FORWARD_JUMP( JB, Jcc_Below );
DEFINE_FORWARD_JUMP( JAE, Jcc_AboveOrEqual );
DEFINE_FORWARD_JUMP( JBE, Jcc_BelowOrEqual );
typedef xForwardJA<s8> xForwardJA8;
typedef xForwardJA<s32> xForwardJA32;
typedef xForwardJB<s8> xForwardJB8;
typedef xForwardJB<s32> xForwardJB32;
typedef xForwardJAE<s8> xForwardJAE8;
typedef xForwardJAE<s32> xForwardJAE32;
typedef xForwardJBE<s8> xForwardJBE8;
typedef xForwardJBE<s32> xForwardJBE32;
DEFINE_FORWARD_JUMP( JG, Jcc_Greater );
DEFINE_FORWARD_JUMP( JL, Jcc_Less );
DEFINE_FORWARD_JUMP( JGE, Jcc_GreaterOrEqual );
DEFINE_FORWARD_JUMP( JLE, Jcc_LessOrEqual );
typedef xForwardJG<s8> xForwardJG8;
typedef xForwardJG<s32> xForwardJG32;
typedef xForwardJL<s8> xForwardJL8;
typedef xForwardJL<s32> xForwardJL32;
typedef xForwardJGE<s8> xForwardJGE8;
typedef xForwardJGE<s32> xForwardJGE32;
typedef xForwardJLE<s8> xForwardJLE8;
typedef xForwardJLE<s32> xForwardJLE32;
DEFINE_FORWARD_JUMP( JZ, Jcc_Zero );
DEFINE_FORWARD_JUMP( JE, Jcc_Equal );
DEFINE_FORWARD_JUMP( JNZ, Jcc_NotZero );
DEFINE_FORWARD_JUMP( JNE, Jcc_NotEqual );
typedef xForwardJZ<s8> xForwardJZ8;
typedef xForwardJZ<s32> xForwardJZ32;
typedef xForwardJE<s8> xForwardJE8;
typedef xForwardJE<s32> xForwardJE32;
typedef xForwardJNZ<s8> xForwardJNZ8;
typedef xForwardJNZ<s32> xForwardJNZ32;
typedef xForwardJNE<s8> xForwardJNE8;
typedef xForwardJNE<s32> xForwardJNE32;
DEFINE_FORWARD_JUMP( JS, Jcc_Signed );
DEFINE_FORWARD_JUMP( JNS, Jcc_Unsigned );
typedef xForwardJS<s8> xForwardJS8;
typedef xForwardJS<s32> xForwardJS32;
typedef xForwardJNS<s8> xForwardJNS8;
typedef xForwardJNS<s32> xForwardJNS32;
DEFINE_FORWARD_JUMP( JO, Jcc_Overflow );
DEFINE_FORWARD_JUMP( JNO, Jcc_NotOverflow );
typedef xForwardJO<s8> xForwardJO8;
typedef xForwardJO<s32> xForwardJO32;
typedef xForwardJNO<s8> xForwardJNO8;
typedef xForwardJNO<s32> xForwardJNO32;
DEFINE_FORWARD_JUMP( JC, Jcc_Carry );
DEFINE_FORWARD_JUMP( JNC, Jcc_NotCarry );
typedef xForwardJC<s8> xForwardJC8;
typedef xForwardJC<s32> xForwardJC32;
typedef xForwardJNC<s8> xForwardJNC8;
typedef xForwardJNC<s32> xForwardJNC32;
DEFINE_FORWARD_JUMP( JPE, Jcc_ParityEven );
DEFINE_FORWARD_JUMP( JPO, Jcc_ParityOdd );
typedef xForwardJPE<s8> xForwardJPE8;
typedef xForwardJPE<s32> xForwardJPE32;
typedef xForwardJPO<s8> xForwardJPO8;
typedef xForwardJPO<s32> xForwardJPO32;
// ------------------------------------------------------------------------
extern void xEMMS();
extern void xSTMXCSR( const xIndirect32& dest );
extern void xLDMXCSR( const xIndirect32& src );
extern void xFXSAVE( const xIndirectVoid& dest );
extern void xFXRSTOR( const xIndirectVoid& src );
extern void xMOVDZX( const xRegisterSSE& to, const xRegister32or64& from );
extern void xMOVDZX( const xRegisterSSE& to, const xIndirectVoid& src );
extern void xMOVD( const xRegister32or64& to, const xRegisterSSE& from );
extern void xMOVD( const xIndirectVoid& dest, const xRegisterSSE& from );
extern void xMOVQ( const xIndirectVoid& dest, const xRegisterSSE& from );
extern void xMOVQZX( const xRegisterSSE& to, const xIndirectVoid& src );
extern void xMOVQZX( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xMOVSS( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xMOVSS( const xIndirectVoid& to, const xRegisterSSE& from );
extern void xMOVSD( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xMOVSD( const xIndirectVoid& to, const xRegisterSSE& from );
extern void xMOVSSZX( const xRegisterSSE& to, const xIndirectVoid& from );
extern void xMOVSDZX( const xRegisterSSE& to, const xIndirectVoid& from );
extern void xMOVNTDQA( const xRegisterSSE& to, const xIndirectVoid& from );
extern void xMOVNTDQA( const xIndirectVoid& to, const xRegisterSSE& from );
extern void xMOVNTPD( const xIndirectVoid& to, const xRegisterSSE& from );
extern void xMOVNTPS( const xIndirectVoid& to, const xRegisterSSE& from );
extern void xMOVMSKPS( const xRegister32or64& to, const xRegisterSSE& from );
extern void xMOVMSKPD( const xRegister32or64& to, const xRegisterSSE& from );
extern void xMASKMOV( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xPMOVMSKB( const xRegister32or64& to, const xRegisterSSE& from );
extern void xPALIGNR( const xRegisterSSE& to, const xRegisterSSE& from, u8 imm8 );
// ------------------------------------------------------------------------
extern const xImplSimd_MoveSSE xMOVAPS;
extern const xImplSimd_MoveSSE xMOVUPS;
extern const xImplSimd_MoveSSE xMOVAPD;
extern const xImplSimd_MoveSSE xMOVUPD;
#ifdef ALWAYS_USE_MOVAPS
extern const xImplSimd_MoveSSE xMOVDQA;
extern const xImplSimd_MoveSSE xMOVDQU;
#else
extern const xImplSimd_MoveDQ xMOVDQA;
extern const xImplSimd_MoveDQ xMOVDQU;
#endif
extern const xImplSimd_MovHL xMOVH;
extern const xImplSimd_MovHL xMOVL;
extern const xImplSimd_MovHL_RtoR xMOVLH;
extern const xImplSimd_MovHL_RtoR xMOVHL;
extern const xImplSimd_Blend xBLEND;
extern const xImplSimd_PMove xPMOVSX;
extern const xImplSimd_PMove xPMOVZX;
extern const xImplSimd_DestRegSSE xMOVSLDUP;
extern const xImplSimd_DestRegSSE xMOVSHDUP;
extern void xINSERTPS( const xRegisterSSE& to, const xRegisterSSE& from, u8 imm8 );
extern void xINSERTPS( const xRegisterSSE& to, const xIndirect32& from, u8 imm8 );
extern void xEXTRACTPS( const xRegister32or64& to, const xRegisterSSE& from, u8 imm8 );
extern void xEXTRACTPS( const xIndirect32& dest, const xRegisterSSE& from, u8 imm8 );
// ------------------------------------------------------------------------
extern const xImplSimd_DestRegEither xPAND;
extern const xImplSimd_DestRegEither xPANDN;
extern const xImplSimd_DestRegEither xPOR;
extern const xImplSimd_DestRegEither xPXOR;
extern const xImplSimd_Shuffle xSHUF;
// ------------------------------------------------------------------------
extern const xImplSimd_DestRegSSE xPTEST;
extern const xImplSimd_MinMax xMIN;
extern const xImplSimd_MinMax xMAX;
extern const xImplSimd_Compare xCMPEQ, xCMPLT,
xCMPLE, xCMPUNORD,
xCMPNE, xCMPNLT,
xCMPNLE,xCMPORD;
extern const xImplSimd_COMI xCOMI;
extern const xImplSimd_COMI xUCOMI;
extern const xImplSimd_PCompare xPCMP;
extern const xImplSimd_PMinMax xPMIN;
extern const xImplSimd_PMinMax xPMAX;
// ------------------------------------------------------------------------
//
//
extern void xCVTDQ2PD( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTDQ2PD( const xRegisterSSE& to, const xIndirect64& from );
extern void xCVTDQ2PS( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTDQ2PS( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTPD2DQ( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTPD2DQ( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTPD2PS( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTPD2PS( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTPI2PD( const xRegisterSSE& to, const xIndirect64& from );
extern void xCVTPI2PS( const xRegisterSSE& to, const xIndirect64& from );
extern void xCVTPS2DQ( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTPS2DQ( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTPS2PD( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTPS2PD( const xRegisterSSE& to, const xIndirect64& from );
extern void xCVTSD2SI( const xRegister32or64& to, const xRegisterSSE& from );
extern void xCVTSD2SI( const xRegister32or64& to, const xIndirect64& from );
extern void xCVTSD2SS( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTSD2SS( const xRegisterSSE& to, const xIndirect64& from );
extern void xCVTSI2SS( const xRegisterSSE& to, const xRegister32or64& from );
extern void xCVTSI2SS( const xRegisterSSE& to, const xIndirect32& from );
extern void xCVTSS2SD( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTSS2SD( const xRegisterSSE& to, const xIndirect32& from );
extern void xCVTSS2SI( const xRegister32or64& to, const xRegisterSSE& from );
extern void xCVTSS2SI( const xRegister32or64& to, const xIndirect32& from );
extern void xCVTTPD2DQ( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTTPD2DQ( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTTPS2DQ( const xRegisterSSE& to, const xRegisterSSE& from );
extern void xCVTTPS2DQ( const xRegisterSSE& to, const xIndirect128& from );
extern void xCVTTSD2SI( const xRegister32or64& to, const xRegisterSSE& from );
extern void xCVTTSD2SI( const xRegister32or64& to, const xIndirect64& from );
extern void xCVTTSS2SI( const xRegister32or64& to, const xRegisterSSE& from );
extern void xCVTTSS2SI( const xRegister32or64& to, const xIndirect32& from );
// ------------------------------------------------------------------------
extern const xImplSimd_AndNot xANDN;
extern const xImplSimd_rSqrt xRCP;
extern const xImplSimd_rSqrt xRSQRT;
extern const xImplSimd_Sqrt xSQRT;
extern const xImplSimd_Shift xPSLL;
extern const xImplSimd_Shift xPSRL;
extern const xImplSimd_ShiftWithoutQ xPSRA;
extern const xImplSimd_AddSub xPADD;
extern const xImplSimd_AddSub xPSUB;
extern const xImplSimd_PMul xPMUL;
extern const xImplSimd_PAbsolute xPABS;
extern const xImplSimd_PSign xPSIGN;
extern const xImplSimd_PMultAdd xPMADD;
extern const xImplSimd_HorizAdd xHADD;
extern const xImplSimd_DotProduct xDP;
extern const xImplSimd_Round xROUND;
extern const xImplSimd_PShuffle xPSHUF;
extern const SimdImpl_PUnpack xPUNPCK;
extern const xImplSimd_Unpack xUNPCK;
extern const SimdImpl_Pack xPACK;
extern const xImplSimd_PInsert xPINSR;
extern const SimdImpl_PExtract xPEXTR;
}
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