Base class for load and store ops using two registers, we will call them split ops for this reason. More...

#include <microldstop.hh>

Inheritance diagram for X86ISA::LdStSplitOp:

Protected Member Functions
	LdStSplitOp (ExtMachInst _machInst, const char mnem, const char _instMnem, uint64_t setFlags, uint8_t _scale, InstRegIndex _index, InstRegIndex _base, uint64_t _disp, InstRegIndex _segment, InstRegIndex _dataLow, InstRegIndex _dataHi, uint8_t _dataSize, uint8_t _addressSize, Request::FlagsType _memFlags, OpClass __opClass)

std::string	generateDisassembly (Addr pc, const Loader::SymbolTable *symtab) const override
	Internal function to generate disassembly string. More...

Protected Member Functions inherited from X86ISA::MemOp
	MemOp (ExtMachInst _machInst, const char mnem, const char _instMnem, uint64_t setFlags, uint8_t _scale, InstRegIndex _index, InstRegIndex _base, uint64_t _disp, InstRegIndex _segment, uint8_t _dataSize, uint8_t _addressSize, Request::FlagsType _memFlags, OpClass __opClass)

Protected Member Functions inherited from X86ISA::X86MicroopBase
	X86MicroopBase (ExtMachInst _machInst, const char mnem, const char _instMnem, uint64_t setFlags, OpClass __opClass)

std::string	generateDisassembly (Addr pc, const Loader::SymbolTable *symtab) const override
	Internal function to generate disassembly string. More...

bool	checkCondition (uint64_t flags, int condition) const

void	advancePC (PCState &pcState) const override

Protected Member Functions inherited from X86ISA::X86StaticInst
	X86StaticInst (const char *mnem, ExtMachInst _machInst, OpClass __opClass)

std::string	generateDisassembly (Addr pc, const Loader::SymbolTable *symtab) const override
	Internal function to generate disassembly string. More...

void	printMnemonic (std::ostream &os, const char *mnemonic) const

void	printMnemonic (std::ostream &os, const char instMnemonic, const char mnemonic) const

void	printSegment (std::ostream &os, int segment) const

void	printReg (std::ostream &os, RegId reg, int size) const

void	printSrcReg (std::ostream &os, int reg, int size) const

void	printDestReg (std::ostream &os, int reg, int size) const

void	printMem (std::ostream &os, uint8_t segment, uint8_t scale, RegIndex index, RegIndex base, uint64_t disp, uint8_t addressSize, bool rip) const

uint64_t	merge (uint64_t into, uint64_t val, int size) const

uint64_t	pick (uint64_t from, int idx, int size) const

int64_t	signedPick (uint64_t from, int idx, int size) const

void	advancePC (PCState &pcState) const override

Protected Member Functions inherited from StaticInst
	StaticInst (const char *_mnemonic, ExtMachInst _machInst, OpClass __opClass)
	Constructor. More...

template<typename T >
size_t	simpleAsBytes (void *buf, size_t max_size, const T &t)

Protected Attributes
const RegIndex	dataLow

const RegIndex	dataHi

Protected Attributes inherited from X86ISA::MemOp
const uint8_t	scale

const RegIndex	index

const RegIndex	base

const uint64_t	disp

const uint8_t	segment

const uint8_t	dataSize

const uint8_t	addressSize

const Request::FlagsType	memFlags

RegIndex	foldOBit

RegIndex	foldABit

Protected Attributes inherited from X86ISA::X86MicroopBase
const char *	instMnem

uint8_t	opSize

uint8_t	addrSize

Protected Attributes inherited from StaticInst
std::bitset< Num_Flags >	flags
	Flag values for this instruction. More...

OpClass	_opClass
	See opClass(). More...

int8_t	_numSrcRegs
	See numSrcRegs(). More...

int8_t	_numDestRegs
	See numDestRegs(). More...

int8_t	_numFPDestRegs
	The following are used to track physical register usage for machines with separate int & FP reg files. More...

int8_t	_numIntDestRegs

int8_t	_numCCDestRegs

int8_t	_numVecDestRegs
	To use in architectures with vector register file. More...

int8_t	_numVecElemDestRegs

int8_t	_numVecPredDestRegs

RegId	_destRegIdx [MaxInstDestRegs]
	See destRegIdx(). More...

RegId	_srcRegIdx [MaxInstSrcRegs]
	See srcRegIdx(). More...

const char *	mnemonic
	Base mnemonic (e.g., "add"). More...

std::string *	cachedDisassembly
	String representation of disassembly (lazily evaluated via disassemble()). More...

Additional Inherited Members
Public Types inherited from StaticInst
enum	{ MaxInstSrcRegs = TheISA::MaxInstSrcRegs, MaxInstDestRegs = TheISA::MaxInstDestRegs }

typedef TheISA::ExtMachInst	ExtMachInst
	Binary extended machine instruction type. More...

Public Member Functions inherited from StaticInst
int8_t	numSrcRegs () const
	Number of source registers. More...

int8_t	numDestRegs () const
	Number of destination registers. More...

int8_t	numFPDestRegs () const
	Number of floating-point destination regs. More...

int8_t	numIntDestRegs () const
	Number of integer destination regs. More...

int8_t	numVecDestRegs () const
	Number of vector destination regs. More...

int8_t	numVecElemDestRegs () const
	Number of vector element destination regs. More...

int8_t	numVecPredDestRegs () const
	Number of predicate destination regs. More...

int8_t	numCCDestRegs () const
	Number of coprocesor destination regs. More...

bool	isNop () const

bool	isMemRef () const

bool	isLoad () const

bool	isStore () const

bool	isAtomic () const

bool	isStoreConditional () const

bool	isInstPrefetch () const

bool	isDataPrefetch () const

bool	isPrefetch () const

bool	isInteger () const

bool	isFloating () const

bool	isVector () const

bool	isCC () const

bool	isControl () const

bool	isCall () const

bool	isReturn () const

bool	isDirectCtrl () const

bool	isIndirectCtrl () const

bool	isCondCtrl () const

bool	isUncondCtrl () const

bool	isCondDelaySlot () const

bool	isThreadSync () const

bool	isSerializing () const

bool	isSerializeBefore () const

bool	isSerializeAfter () const

bool	isSquashAfter () const

bool	isMemBarrier () const

bool	isWriteBarrier () const

bool	isNonSpeculative () const

bool	isQuiesce () const

bool	isIprAccess () const

bool	isUnverifiable () const

bool	isSyscall () const

bool	isMacroop () const

bool	isMicroop () const

bool	isDelayedCommit () const

bool	isLastMicroop () const

bool	isFirstMicroop () const

bool	isMicroBranch () const

bool	isHtmStart () const

bool	isHtmStop () const

bool	isHtmCancel () const

bool	isHtmCmd () const

void	setFirstMicroop ()

void	setLastMicroop ()

void	setDelayedCommit ()

void	setFlag (Flags f)

OpClass	opClass () const
	Operation class. Used to select appropriate function unit in issue. More...

const RegId &	destRegIdx (int i) const
	Return logical index (architectural reg num) of i'th destination reg. More...

const RegId &	srcRegIdx (int i) const
	Return logical index (architectural reg num) of i'th source reg. More...

virtual	~StaticInst ()

virtual Fault	execute (ExecContext xc, Trace::InstRecord traceData) const =0

virtual Fault	initiateAcc (ExecContext xc, Trace::InstRecord traceData) const

virtual Fault	completeAcc (Packet pkt, ExecContext xc, Trace::InstRecord *traceData) const

virtual void	advancePC (TheISA::PCState &pcState) const =0

virtual StaticInstPtr	fetchMicroop (MicroPC upc) const
	Return the microop that goes with a particular micropc. More...

virtual TheISA::PCState	branchTarget (const TheISA::PCState &pc) const
	Return the target address for a PC-relative branch. More...

virtual TheISA::PCState	branchTarget (ThreadContext *tc) const
	Return the target address for an indirect branch (jump). More...

bool	hasBranchTarget (const TheISA::PCState &pc, ThreadContext *tc, TheISA::PCState &tgt) const
	Return true if the instruction is a control transfer, and if so, return the target address as well. More...

virtual const std::string &	disassemble (Addr pc, const Loader::SymbolTable *symtab=nullptr) const
	Return string representation of disassembled instruction. More...

void	printFlags (std::ostream &outs, const std::string &separator) const
	Print a separator separated list of this instruction's set flag names on the given stream. More...

std::string	getName ()
	Return name of machine instruction. More...

virtual size_t	asBytes (void *buf, size_t max_size)
	Instruction classes can override this function to return a a representation of themselves as a blob of bytes, generally assumed to be that instructions ExtMachInst. More...

Public Member Functions inherited from RefCounted
	RefCounted ()
	We initialize the reference count to zero and the first object to take ownership of it must increment it to one. More...

virtual	~RefCounted ()
	We make the destructor virtual because we're likely to have virtual functions on reference counted objects. More...

void	incref () const
	Increment the reference count. More...

void	decref () const
	Decrement the reference count and destroy the object if all references are gone. More...

Public Attributes inherited from StaticInst
const ExtMachInst	machInst
	The binary machine instruction. More...

Static Public Attributes inherited from StaticInst
static StaticInstPtr	nullStaticInstPtr
	Pointer to a statically allocated "null" instruction object. More...

static StaticInstPtr	nopStaticInstPtr = new NopStaticInst
	Pointer to a statically allocated generic "nop" instruction object. More...

Detailed Description

Base class for load and store ops using two registers, we will call them split ops for this reason.

These are mainly used to implement cmpxchg8b and cmpxchg16b.

Definition at line 124 of file microldstop.hh.

Constructor & Destructor Documentation

◆ LdStSplitOp()

X86ISA::LdStSplitOp::LdStSplitOp	(	ExtMachInst	_machInst,
		const char *	mnem,
		const char *	_instMnem,
		uint64_t	setFlags,
		uint8_t	_scale,
		InstRegIndex	_index,
		InstRegIndex	_base,
		uint64_t	_disp,
		InstRegIndex	_segment,
		InstRegIndex	_dataLow,
		InstRegIndex	_dataHi,
		uint8_t	_dataSize,
		uint8_t	_addressSize,
		Request::FlagsType	_memFlags,
		OpClass	__opClass
	)

inlineprotected

Definition at line 131 of file microldstop.hh.

Member Function Documentation

◆ generateDisassembly()

std::string X86ISA::LdStSplitOp::generateDisassembly	(	Addr	pc,
		const Loader::SymbolTable *	symtab
	)		const

overrideprotectedvirtual

Internal function to generate disassembly string.

Implements StaticInst.

Definition at line 63 of file microldstop.cc.

References X86ISA::MemOp::addressSize, X86ISA::MemOp::base, X86ISA::MemOp::dataSize, X86ISA::MemOp::disp, StaticInst::flags, X86ISA::MemOp::index, X86ISA::X86MicroopBase::instMnem, StaticInst::mnemonic, X86ISA::X86StaticInst::printDestReg(), X86ISA::X86StaticInst::printMem(), X86ISA::X86StaticInst::printMnemonic(), X86ISA::MemOp::scale, and X86ISA::MemOp::segment.

Member Data Documentation

◆ dataHi

const RegIndex X86ISA::LdStSplitOp::dataHi

protected

Definition at line 128 of file microldstop.hh.

◆ dataLow

const RegIndex X86ISA::LdStSplitOp::dataLow

protected

Definition at line 127 of file microldstop.hh.

The documentation for this class was generated from the following files:

arch/x86/insts/microldstop.hh
arch/x86/insts/microldstop.cc

Protected Member Functions

Protected Attributes

Additional Inherited Members