Base class for floating point operations. More...

#include <floating.hh>

Inheritance diagram for PowerISA::FloatOp:

Protected Member Functions
	FloatOp (const char *mnem, MachInst _machInst, OpClass __opClass)
	Constructor. More...

bool	isNan (uint32_t val_bits) const

bool	isNan (uint64_t val_bits) const

bool	isNan (float val) const

bool	isNan (double val) const

bool	isSnan (uint32_t val_bits) const

bool	isQnan (uint32_t val_bits) const

bool	isInfinity (uint32_t val_bits) const

bool	isNormalized (uint32_t val_bits) const

bool	isDenormalized (uint32_t val_bits) const

bool	isZero (uint32_t val_bits) const

bool	isNegative (uint32_t val_bits) const

uint32_t	makeCRField (double a, double b) const

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

Protected Member Functions inherited from PowerISA::PowerStaticInst
	PowerStaticInst (const char *mnem, MachInst _machInst, OpClass __opClass)

uint32_t	insertCRField (uint32_t cr, uint32_t bf, uint32_t value) const

void	printReg (std::ostream &os, int reg) const
	Print a register name for disassembly given the unique dependence tag number (FP or int). More...

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

void	advancePC (PowerISA::PCState &pcState) const

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

Protected Attributes
bool	rcSet

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...

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

RegIndex	_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...

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

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...

typedef TheISA::RegIndex	RegIndex
	Logical register index type. More...

Public Member Functions inherited from StaticInst
int8_t	numCCDestRegs () const
	Number of coprocesor destination regs. More...

void	setFirstMicroop ()

void	setLastMicroop ()

void	setDelayedCommit ()

void	setFlag (Flags f)

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

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

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

virtual const StaticInstPtr &	eaCompInst () const
	Memory references only: returns "fake" instruction representing the effective address part of the memory operation. More...

virtual const StaticInstPtr &	memAccInst () const
	Memory references only: returns "fake" instruction representing the memory access part of the memory operation. More...

virtual	~StaticInst ()

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

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

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 SymbolTable *symtab=0) 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...

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...

bool	isNop () const

bool	isMemRef () const

bool	isLoad () const

bool	isStore () const

bool	isStoreConditional () const

bool	isInstPrefetch () const

bool	isDataPrefetch () const

bool	isPrefetch () const

bool	isInteger () const

bool	isFloating () 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

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 ()
	Increment the reference count. More...

void	decref ()
	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...

Detailed Description

Base class for floating point operations.

Definition at line 45 of file floating.hh.

Constructor & Destructor Documentation

PowerISA::FloatOp::FloatOp	(	const char *	mnem,
		MachInst	_machInst,
		OpClass	__opClass
	)

inlineprotected

Constructor.

Definition at line 52 of file floating.hh.

Member Function Documentation

std::string FloatOp::generateDisassembly	(	Addr	pc,
		const SymbolTable *	symtab
	)		const

protectedvirtual

Internal function to generate disassembly string.

Implements StaticInst.

Definition at line 36 of file floating.cc.

References StaticInst::_destRegIdx, StaticInst::_numDestRegs, StaticInst::_numSrcRegs, StaticInst::_srcRegIdx, ccprintf(), StaticInst::mnemonic, PowerISA::PowerStaticInst::printReg(), and ArmISA::ss.

bool PowerISA::FloatOp::isDenormalized ( uint32_t val_bits ) const

inlineprotected

Definition at line 117 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isInfinity ( uint32_t val_bits ) const

inlineprotected

Definition at line 102 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isNan ( uint32_t val_bits ) const

inlineprotected

Definition at line 59 of file floating.hh.

References bits().

Referenced by isNan(), and makeCRField().

bool PowerISA::FloatOp::isNan ( uint64_t val_bits ) const

inlineprotected

Definition at line 65 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isNan ( float val ) const

inlineprotected

Definition at line 71 of file floating.hh.

References isNan(), and X86ISA::val.

bool PowerISA::FloatOp::isNan ( double val ) const

inlineprotected

Definition at line 79 of file floating.hh.

References isNan(), and X86ISA::val.

bool PowerISA::FloatOp::isNegative ( uint32_t val_bits ) const

inlineprotected

Definition at line 131 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isNormalized ( uint32_t val_bits ) const

inlineprotected

Definition at line 109 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isQnan ( uint32_t val_bits ) const

inlineprotected

Definition at line 95 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isSnan ( uint32_t val_bits ) const

inlineprotected

Definition at line 88 of file floating.hh.

References bits().

bool PowerISA::FloatOp::isZero ( uint32_t val_bits ) const

inlineprotected

Definition at line 124 of file floating.hh.

References bits().

uint32_t PowerISA::FloatOp::makeCRField	(	double	a,
		double	b
	)		const

inlineprotected

Definition at line 138 of file floating.hh.

References ArmISA::c, and isNan().

Member Data Documentation

bool PowerISA::FloatOp::rcSet

protected

Definition at line 49 of file floating.hh.

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

arch/power/insts/floating.hh
arch/power/insts/floating.cc

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation