gem5 v25.0.0.1
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gem5::PowerISA::IntLogicOp Class Reference

Class for integer logical operations. More...

#include <integer.hh>

Inheritance diagram for gem5::PowerISA::IntLogicOp:
gem5::PowerISA::IntOp gem5::PowerISA::PowerStaticInst gem5::StaticInst gem5::RefCounted gem5::PowerISA::IntImmLogicOp

Protected Member Functions

 IntLogicOp (const char *mnem, MachInst _machInst, OpClass __opClass)
 Constructor.
int findLeadingZeros (uint32_t rs) const
int findLeadingZeros (uint64_t rs) const
int findTrailingZeros (uint32_t rs) const
int findTrailingZeros (uint64_t rs) const
std::string generateDisassembly (Addr pc, const loader::SymbolTable *symtab) const override
 Internal function to generate disassembly string.
Protected Member Functions inherited from gem5::PowerISA::IntOp
 IntOp (const char *mnem, MachInst _machInst, OpClass __opClass)
 Constructor.
uint32_t makeCRFieldSigned (int64_t a, int64_t b, bool so) const
uint32_t makeCRFieldUnsigned (uint64_t a, uint64_t b, bool so) const
std::string generateDisassembly (Addr pc, const loader::SymbolTable *symtab) const override
 Internal function to generate disassembly string.
Protected Member Functions inherited from gem5::PowerISA::PowerStaticInst
 PowerStaticInst (const char *mnem, ExtMachInst _machInst, OpClass __opClass)
uint32_t insertCRField (uint32_t cr, uint32_t bf, uint32_t value) const
void printReg (std::ostream &os, RegId reg) const
 Print a register name for disassembly given the unique dependence tag number (FP or int).
std::string generateDisassembly (Addr pc, const loader::SymbolTable *symtab) const override
 Internal function to generate disassembly string.
void advancePC (PCStateBase &pc_state) const override
void advancePC (ThreadContext *tc) const override
std::unique_ptr< PCStateBasebuildRetPC (const PCStateBase &cur_pc, const PCStateBase &call_pc) const override
size_t asBytes (void *buf, size_t max_size) override
 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.
void setRegIdxArrays (RegIdArrayPtr src, RegIdArrayPtr dest)
 Set the pointers which point to the arrays of source and destination register indices.
 StaticInst (const char *_mnemonic, OpClass op_class)
 Constructor.
template<typename T>
size_t simpleAsBytes (void *buf, size_t max_size, const T &t)

Additional Inherited Members

Public Types inherited from gem5::StaticInst
using RegIdArrayPtr = RegId (StaticInst:: *)[]
Public Member Functions inherited from gem5::StaticInst
uint8_t numSrcRegs () const
 Number of source registers.
uint8_t numDestRegs () const
 Number of destination registers.
uint8_t numDestRegs (RegClassType type) const
 Number of destination registers of a particular type.
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 isMatrix () const
bool isControl () const
bool isCall () const
bool isReturn () const
bool isDirectCtrl () const
bool isIndirectCtrl () const
bool isCondCtrl () const
bool isUncondCtrl () const
bool isSerializing () const
bool isSerializeBefore () const
bool isSerializeAfter () const
bool isSquashAfter () const
bool isFullMemBarrier () const
bool isReadBarrier () const
bool isWriteBarrier () const
bool isNonSpeculative () const
bool isQuiesce () const
bool isUnverifiable () const
bool isPseudo () const
bool isSyscall () const
bool isMacroop () const
bool isMicroop () const
bool isDelayedCommit () const
bool isLastMicroop () const
bool isFirstMicroop () const
bool isHtmStart () const
bool isHtmStop () const
bool isHtmCancel () const
bool isInvalid () 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.
const RegIddestRegIdx (int i) const
 Return logical index (architectural reg num) of i'th destination reg.
void setDestRegIdx (int i, const RegId &val)
const RegIdsrcRegIdx (int i) const
 Return logical index (architectural reg num) of i'th source reg.
void setSrcRegIdx (int i, const RegId &val)
virtual uint64_t getEMI () const
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 *trace_data) const
size_t size () const
virtual void size (size_t newSize)
virtual StaticInstPtr fetchMicroop (MicroPC upc) const
 Return the microop that goes with a particular micropc.
virtual std::unique_ptr< PCStateBasebranchTarget (const PCStateBase &pc) const
 Return the target address for a PC-relative branch.
virtual std::unique_ptr< PCStateBasebranchTarget (ThreadContext *tc) const
 Return the target address for an indirect branch (jump).
virtual const std::string & disassemble (Addr pc, const loader::SymbolTable *symtab=nullptr) const
 Return string representation of disassembled instruction.
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.
std::string getName ()
 Return name of machine instruction.
Public Member Functions inherited from gem5::RefCounted
 RefCounted ()
 We initialize the reference count to zero and the first object to take ownership of it must increment it to one.
virtual ~RefCounted ()
 We make the destructor virtual because we're likely to have virtual functions on reference counted objects.
void incref () const
 Increment the reference count.
void decref () const
 Decrement the reference count and destroy the object if all references are gone.
static StaticInstPtr nullStaticInstPtr
 Pointer to a statically allocated "null" instruction object.
Protected Attributes inherited from gem5::PowerISA::IntOp
bool rc
bool oe
uint32_t sh
Protected Attributes inherited from gem5::PowerISA::PowerStaticInst
ExtMachInst machInst
Protected Attributes inherited from gem5::StaticInst
std::bitset< Num_Flags > flags
 Flag values for this instruction.
OpClass _opClass
 See opClass().
uint8_t _numSrcRegs = 0
 See numSrcRegs().
uint8_t _numDestRegs = 0
 See numDestRegs().
std::array< uint8_t, MiscRegClass+1 > _numTypedDestRegs = {}
size_t _size = 0
 Instruction size in bytes.
const char * mnemonic
 Base mnemonic (e.g., "add").
std::unique_ptr< std::string > cachedDisassembly
 String representation of disassembly (lazily evaluated via disassemble()).

Detailed Description

Class for integer logical operations.

Definition at line 481 of file integer.hh.

Constructor & Destructor Documentation

◆ IntLogicOp()

gem5::PowerISA::IntLogicOp::IntLogicOp ( const char * mnem,
MachInst _machInst,
OpClass __opClass )
inlineprotected

Constructor.

Definition at line 486 of file integer.hh.

References gem5::PowerISA::IntOp::IntOp().

Referenced by gem5::PowerISA::IntImmLogicOp::IntImmLogicOp().

Member Function Documentation

◆ findLeadingZeros() [1/2]

int gem5::PowerISA::IntLogicOp::findLeadingZeros ( uint32_t rs) const
inlineprotected

Definition at line 494 of file integer.hh.

References gem5::findMsbSet(), and gem5::PowerISA::rs.

◆ findLeadingZeros() [2/2]

int gem5::PowerISA::IntLogicOp::findLeadingZeros ( uint64_t rs) const
inlineprotected

Definition at line 511 of file integer.hh.

References gem5::findMsbSet(), and gem5::PowerISA::rs.

◆ findTrailingZeros() [1/2]

int gem5::PowerISA::IntLogicOp::findTrailingZeros ( uint32_t rs) const
inlineprotected

Definition at line 528 of file integer.hh.

References gem5::findLsbSet(), and gem5::PowerISA::rs.

◆ findTrailingZeros() [2/2]

int gem5::PowerISA::IntLogicOp::findTrailingZeros ( uint64_t rs) const
inlineprotected

Definition at line 545 of file integer.hh.

References gem5::findLsbSet(), and gem5::PowerISA::rs.

◆ generateDisassembly()

std::string gem5::IntLogicOp::generateDisassembly ( Addr pc,
const loader::SymbolTable * symtab ) const
overrideprotectedvirtual

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

Generated on Sat Oct 18 2025 08:07:01 for gem5 by doxygen 1.14.0