regalloc::RegisterAllocator Class Reference

"Allocate-registers" functor. More...

#include <regallocator.hh>

Inheritance diagram for regalloc::RegisterAllocator:

Collaboration diagram for regalloc::RegisterAllocator:

Public Types
typedef assem::Visitor	super_type

Public Member Functions
virtual void	operator() (assem::ProcFrag &frag) override
	Allocate registers.
temp::TempMap	allocation_get () const
	The result.
const misc::timer &	timer_get () const
	The timer.
virtual void	operator() (typename Const< ProcFrag >::type &a)
	Visit an assembly procedure fragment.
virtual void	operator() (typename Const< DataFrag >::type &a)
	Visit an assembly data fragment.
template<class E >
void	operator() (E *e)
	To enable the use of standard algorithm on containers of pointers.
virtual void	operator() (typename Const< Fragments >::type &fs)
	Visit a list of assembly fragments.
template<template< typename > class Const>
void	operator() (typename Const< ast::Ast >::type &e)
Ctor & Dtor
	RegisterAllocator (const target::Target &target, const temp::TempMap &tempmap, bool coalesce_p=true, bool trace_p=false)
	Construct a RegisterAllocator.

Private Member Functions
void	remove_useless_moves (assem::Instrs &instrs)

Private Attributes
const target::Target &	target_
	The current target.
temp::TempMap	tempmap_
	The allocation itself.
bool	coalesce_p_
	Shall we coalesce registers.
bool	trace_p_
	Produce detailed logs on register allocation.
misc::timer	timer_
	Register allocation timer.

Detailed Description

"Allocate-registers" functor.

Member Typedef Documentation

typedef assem::Visitor regalloc::RegisterAllocator::super_type

Constructor & Destructor Documentation

regalloc::RegisterAllocator::RegisterAllocator	(	const target::Target &	target,
		const temp::TempMap &	tempmap,
		bool	coalesce_p = true,
		bool	trace_p = false
	)

Construct a RegisterAllocator.

Member Function Documentation

temp::TempMap regalloc::RegisterAllocator::allocation_get

(

)

const

The result.

References tempmap_.

Referenced by regalloc::allocate_registers().

template<template< typename > class Const>

template<template< typename > class Const>

void assem::GenVisitor< Const >::operator() ( typename Const< ast::Ast >::type &  e )

inherited

template<template< typename > class Const>

void assem::GenVisitor< Const >::operator() ( typename Const< ProcFrag >::type &  a )

virtualinherited

Visit an assembly procedure fragment.

template<template< typename > class Const>

void assem::GenVisitor< Const >::operator() ( typename Const< DataFrag >::type &  a )

virtualinherited

Visit an assembly data fragment.

template<template< typename > class Const>

template<class E >

void assem::GenVisitor< Const >::operator() ( E *  e )

inherited

To enable the use of standard algorithm on containers of pointers.

template<template< typename > class Const>

void assem::GenVisitor< Const >::operator() ( typename Const< Fragments >::type &  fs )

virtualinherited

Visit a list of assembly fragments.

References misc::for_each().

void regalloc::RegisterAllocator::operator() ( assem::ProcFrag &  frag )

overridevirtual

Allocate registers.

References coalesce_p_, target::Target::codegen_get(), target::Target::cpu_get(), misc::map< T, N >::insert(), assem::ProcFrag::instrs_get(), temp::Identifier< Traits_ >::map, remove_useless_moves(), target::Codegen::rewrite_program(), misc::xalloc< StoredType >::swap(), target_, tempmap_, timer_, and trace_p_.

void regalloc::RegisterAllocator::remove_useless_moves ( assem::Instrs &  instrs )

private

Referenced by operator()().

const misc::timer & regalloc::RegisterAllocator::timer_get

(

)

const

The timer.

References timer_.

Referenced by regalloc::allocate_registers().

Member Data Documentation

bool regalloc::RegisterAllocator::coalesce_p_

private

Shall we coalesce registers.

Referenced by operator()().

const target::Target& regalloc::RegisterAllocator::target_

private

The current target.

Referenced by operator()().

temp::TempMap regalloc::RegisterAllocator::tempmap_

private

The allocation itself.

Referenced by allocation_get(), and operator()().

misc::timer regalloc::RegisterAllocator::timer_

private

Register allocation timer.

Referenced by operator()(), and timer_get().

bool regalloc::RegisterAllocator::trace_p_

private

Produce detailed logs on register allocation.

Referenced by operator()().

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

• regalloc/regallocator.hh
• regalloc/regallocator.cc