ProcessorState Class Reference

#include <instruction.h>

Collaboration diagram for ProcessorState:

[legend]List of all members.

Public Member Functions
	ProcessorState ()
void	merge (const ProcessorState &state)
void	reset ()
RegisterState &	reg (const Register &reg)
RegisterState	reg (const Register &reg) const
bool	operator== (const ProcessorState &state) const
bool	operator!= (const ProcessorState &state) const
void	print ()
Public Attributes
RegisterState	working
	The working register.
RegisterState	status
	The status register.
Protected Types
typedef QMap< Register, RegisterState >	RegisterMap
Protected Attributes
RegisterMap	m_registers

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Detailed Description

Contains information on the state of a processor; e.g. register values

Author:

David Saxton

Definition at line 340 of file instruction.h.

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Member Function Documentation

void ProcessorState::merge

(

const ProcessorState &

state

)

Calls merge for each RegisterState.

Definition at line 560 of file instruction.cpp.

References m_registers, RegisterState::merge(), status, and working.

Referenced by Optimizer::giveInputStates().

void ProcessorState::reset

(

)

Calls reset() for each RegisterState.

Definition at line 549 of file instruction.cpp.

References m_registers, RegisterState::reset(), status, and working.

Referenced by Instruction::generateLinksAndStates().

RegisterState & ProcessorState::reg

(

const Register &

reg

)

Returns:

state for the given register.

Definition at line 618 of file instruction.cpp.

References m_registers, status, and working.

Referenced by Instr_andwf::behaviour(), Optimizer::canRemove(), Instr_btfss::generateLinksAndStates(), Instr_btfsc::generateLinksAndStates(), Instr_bsf::generateLinksAndStates(), Instr_bcf::generateLinksAndStates(), Instr_xorwf::generateLinksAndStates(), Instr_subwf::generateLinksAndStates(), Instr_rrf::generateLinksAndStates(), Instr_rlf::generateLinksAndStates(), Instr_movwf::generateLinksAndStates(), Instr_movf::generateLinksAndStates(), Instr_iorwf::generateLinksAndStates(), Instr_incf::generateLinksAndStates(), Instr_decfsz::generateLinksAndStates(), Instr_decf::generateLinksAndStates(), Instr_clrf::generateLinksAndStates(), Instr_andwf::generateLinksAndStates(), Instr_addwf::generateLinksAndStates(), Optimizer::optimizeInstructions(), and reg().

RegisterState ProcessorState::reg

(

const Register &

reg

)

const

Returns:

state for the given register.

Definition at line 630 of file instruction.cpp.

References m_registers, reg(), status, and working.

bool ProcessorState::operator==

(

const ProcessorState &

state

)

const

Returns:

whether all the RegisterStates are identical

Definition at line 642 of file instruction.cpp.

References m_registers, status, and working.

bool ProcessorState::operator!=

(

const ProcessorState &

state

)

const [inline]

Returns:

whether any of the RegisterStates are not equal.

Definition at line 367 of file instruction.h.

void ProcessorState::print

(

)

Displays each register's name and calls RegisterState::print in turn.

Definition at line 708 of file instruction.cpp.

References m_registers, RegisterState::print(), and working.

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Member Data Documentation

RegisterMap ProcessorState::m_registers [protected]

All registers other than working and status. Entries are created on calls to reg with a new Register.

Definition at line 385 of file instruction.h.

Referenced by merge(), operator==(), print(), reg(), and reset().

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

• instruction.h
• instruction.cpp

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