target::Cpu Class Reference

A Cpu mainly describes target machine's registers. More...

#include <cpu.hh>

Inheritance diagram for target::Cpu:

Collaboration diagram for target::Cpu:

Public Member Functions
std::ostream &	dump (std::ostream &ostr) const
	Describing a CPU.
Ctor & dtor.
	Cpu ()
	Construct a Cpu (default).
virtual	~Cpu ()
	Destroy a Cpu.
Descriptors of this architecture.
virtual size_t	word_size_get () const =0
	The byte size of a memory's word.
virtual size_t	nb_regs () const
	The number of registers.
virtual const temp::Temp &	fp_reg () const =0
	The frame pointer register.
virtual const temp::Temp &	result_reg () const =0
	The result register.
virtual const temp::TempMap &	tempmap_get () const
	Mapping from tc pseudos to hard registers.
virtual const temp::temp_list_type &	argument_regs () const
	Arguments-dedicated registers.
virtual const temp::temp_set_type &	caller_save_regs () const
	Caller save registers.
virtual const temp::temp_set_type &	callee_save_regs () const
	Callee save registers.
virtual const temp::temp_set_type &	special_regs () const
	Special registers (e.g., $fp, $sp, $zero etc.).
virtual temp::temp_set_type	registers_get () const
	The whole register set.

Protected Member Functions
Register registers.
virtual void	argument_reg (const std::string &name)
	Argument dedicated register.
virtual void	caller_save_reg (const std::string &name)
	Caller save register.
virtual void	callee_save_reg (const std::string &name)
	Callee save register.
virtual void	special_reg (const temp::Temp &t)
	Special registers, unavailable for register allocaction.

Protected Attributes
Register classes.
temp::temp_set_type	callee_save_registers_
	Callee save registers.
temp::temp_set_type	caller_save_registers_
	Caller save registers.
temp::temp_list_type	argument_registers_
	Argument registers.
temp::temp_set_type	special_registers_
	Remaining registers.
std::unique_ptr< temp::TempMap >	tempmap_
	Mapping from pseudos to hard registers.

Detailed Description

A Cpu mainly describes target machine's registers.

Constructor & Destructor Documentation

target::Cpu::Cpu

(

)

Construct a Cpu (default).

Reimplemented in target::ia32::Cpu.

target::Cpu::~Cpu ( )

virtual

Destroy a Cpu.

Member Function Documentation

void target::Cpu::argument_reg ( const std::string &  name )

protectedvirtual

Argument dedicated register.

References argument_registers_.

Referenced by target::mips::Cpu::Cpu().

const temp::temp_list_type & target::Cpu::argument_regs ( ) const

virtual

Arguments-dedicated registers.

References argument_registers_.

void target::Cpu::callee_save_reg ( const std::string &  name )

protectedvirtual

Callee save register.

References callee_save_registers_.

Referenced by target::mips::Cpu::Cpu().

const temp::temp_set_type & target::Cpu::callee_save_regs ( ) const

virtual

Callee save registers.

References callee_save_registers_.

void target::Cpu::caller_save_reg ( const std::string &  name )

protectedvirtual

Caller save register.

References caller_save_registers_.

Referenced by target::ia32::Cpu::Cpu(), and target::mips::Cpu::Cpu().

const temp::temp_set_type & target::Cpu::caller_save_regs ( ) const

virtual

Caller save registers.

References caller_save_registers_.

std::ostream & target::Cpu::dump

(

std::ostream &

ostr

)

const

Describing a CPU.

References argument_registers_, callee_save_registers_, caller_save_registers_, misc::decendl(), misc::incendl(), nb_regs(), REGS_PRINT, special_registers_, and tempmap_.

Referenced by target::operator<<().

virtual const temp::Temp& target::Cpu::fp_reg ( ) const

pure virtual

The frame pointer register.

Implemented in target::ia32::Cpu, and target::mips::Cpu.

size_t target::Cpu::nb_regs ( ) const

virtual

The number of registers.

References argument_registers_, callee_save_registers_, caller_save_registers_, and special_registers_.

Referenced by dump().

temp::temp_set_type target::Cpu::registers_get ( ) const

virtual

The whole register set.

References argument_registers_, callee_save_registers_, caller_save_registers_, and special_registers_.

virtual const temp::Temp& target::Cpu::result_reg ( ) const

pure virtual

The result register.

Implemented in target::ia32::Cpu, and target::mips::Cpu.

void target::Cpu::special_reg ( const temp::Temp &  t )

protectedvirtual

Special registers, unavailable for register allocaction.

References special_registers_.

Referenced by target::ia32::Cpu::Cpu(), and target::mips::Cpu::Cpu().

const temp::temp_set_type & target::Cpu::special_regs ( ) const

virtual

Special registers (e.g., $fp, $sp, $zero etc.).

References special_registers_.

const temp::TempMap & target::Cpu::tempmap_get ( ) const

virtual

Mapping from tc pseudos to hard registers.

References tempmap_.

virtual size_t target::Cpu::word_size_get ( ) const

pure virtual

The byte size of a memory's word.

Implemented in target::ia32::Cpu, and target::mips::Cpu.

Member Data Documentation

temp::temp_list_type target::Cpu::argument_registers_

protected

Argument registers.

Referenced by argument_reg(), argument_regs(), dump(), nb_regs(), and registers_get().

temp::temp_set_type target::Cpu::callee_save_registers_

protected

Callee save registers.

Referenced by callee_save_reg(), callee_save_regs(), dump(), nb_regs(), and registers_get().

temp::temp_set_type target::Cpu::caller_save_registers_

protected

Caller save registers.

Referenced by caller_save_reg(), caller_save_regs(), dump(), nb_regs(), and registers_get().

temp::temp_set_type target::Cpu::special_registers_

protected

Remaining registers.

Referenced by dump(), nb_regs(), registers_get(), special_reg(), and special_regs().

std::unique_ptr<temp::TempMap> target::Cpu::tempmap_

protected

Mapping from pseudos to hard registers.

Referenced by target::mips::Cpu::Cpu(), dump(), and tempmap_get().

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

• target/cpu.hh
• target/cpu.cc