otawa::BasicBlock::Bundle Class Reference

A bundle, in a VLIW processors, is a group of instructions executed in parallel. More...

#include <otawa/cfg/BasicBlock.h>

Public Member Functions
Address	address (void) const
	Get the base address of the bundle. More...
Address	topAddress (void) const
	Get the top address of the bundle. More...
t::uint32	size (void) const
	Get the size of the bundle. More...
InstIter	insts (void) const
	Get an iterator on instructions composing the bundle. More...
void	semInsts (sem::Block &block)
	Get the semantic instruction to perform semantic analysis on the bundle. More...
void	readRegSet (RegSet &set)
	Get the set of registers read by the bundle. More...
void	writeRegSet (RegSet &set)
	Get the set of registers written by the bundle. More...

Private Member Functions
	Bundle (void)
	Simple bundle constructor. More...
void	move (Inst *inst, Address top)
	Move the bundle to a next bundle in program image. More...
void	end (void)
	Mark the bundle as empty. More...

Private Attributes
Inst *	fi
Inst *	li

Friends
class	BundleIter
	Null constructor. More...

Detailed Description

A bundle, in a VLIW processors, is a group of instructions executed in parallel.

When used with a non-VLIW instruction set, a bundle is equivalent to an instruction.

See also

VLIW Support

Member Function Documentation

Address otawa::BasicBlock::Bundle::address ( void  ) const

inline

Get the base address of the bundle.

Returns

Bundle base address.

References otawa::ProgItem::address(), and fi.

Referenced by size().

void otawa::BasicBlock::Bundle::end ( void  )

inlineprivate

Mark the bundle as empty.

References fi, and li.

Referenced by otawa::BasicBlock::BundleIter::next().

InstIter otawa::BasicBlock::Bundle::insts ( void  ) const

inline

Get an iterator on instructions composing the bundle.

Returns

Bundle instruction iterator.

References fi, li, and otawa::ProgItem::topAddress().

Referenced by semInsts().

void otawa::BasicBlock::Bundle::move ( Inst *  inst, Address  top  )

inlineprivate

Move the bundle to a next bundle in program image.

Parameters

inst	First instruction of new bundle.
top	Top address of the block containing the bundle.

References fi, otawa::Inst::isBundleEnd(), li, otawa::Inst::nextInst(), and otawa::ProgItem::topAddress().

Referenced by otawa::BasicBlock::BundleIter::BundleIter(), and otawa::BasicBlock::BundleIter::next().

void otawa::BasicBlock::Bundle::readRegSet

(

RegSet &

set

)

Get the set of registers read by the bundle.

Parameters

set	Register set filled with read registers.

See also

RegSet, RegIter.

void otawa::BasicBlock::Bundle::semInsts

(

sem::Block &

block

)

Get the semantic instruction to perform semantic analysis on the bundle.

Parameters

block

Semantic instruction block to fill in.

References insts().

t::uint32 otawa::BasicBlock::Bundle::size ( void  ) const

inline

Get the size of the bundle.

Returns

Bundle size (in bytes).

References address(), and topAddress().

Address otawa::BasicBlock::Bundle::topAddress ( void  ) const

inline

Get the top address of the bundle.

Returns

Bundle top address.

References li, and otawa::ProgItem::topAddress().

Referenced by size().

void otawa::BasicBlock::Bundle::writeRegSet

(

RegSet &

set

)

Get the set of registers written by the bundle.

Parameters

set	Register set filled with written registers.

See also

RegSet, RegIter.

Friends And Related Function Documentation

otawa::BasicBlock::Bundle::BundleIter

friend

Null constructor.

Build an iterator to traverse bundles of a basic block.

Parameters

bb	Basic block to look bundles in.

Member Data Documentation

Inst* otawa::BasicBlock::Bundle::fi

private

Referenced by address(), end(), insts(), and move().

Inst * otawa::BasicBlock::Bundle::li

private

Referenced by end(), otawa::BasicBlock::BundleIter::ended(), insts(), move(), otawa::BasicBlock::BundleIter::next(), and topAddress().

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

• include/otawa/cfg/BasicBlock.h
• src/prog/BasicBlock.cpp