coins.backend.ana
Class SaveRegisters

java.lang.Object
  coins.backend.ana.SaveRegisters

All Implemented Interfaces:

LocalAnalysis

public class SaveRegisters

extends java.lang.Object

implements LocalAnalysis

Compute list of registers you must save.

Field Summary

static coins.backend.ana.SaveRegisters.Analyzer	analyzer Factory singleton.
BitMapSet	calleeSave Registers you must save.

Method Summary

boolean	isUpToDate() Return true if this analysis is up to date.
void	printAfterBlock(BasicBlk blk, java.io.PrintWriter output) Called after each Basic Block.
void	printAfterFunction(java.io.PrintWriter output) Called after function body.
void	printAfterStmt(LirNode stmt, java.io.PrintWriter output) Called after each statement.
void	printBeforeBlock(BasicBlk blk, java.io.PrintWriter output) Called before each Basic Block.
void	printBeforeFunction(java.io.PrintWriter output) Debug print entries required by interface.
void	printBeforeStmt(LirNode stmt, java.io.PrintWriter output) Called before each statement.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

analyzer

public static final coins.backend.ana.SaveRegisters.Analyzer analyzer

Factory singleton.

calleeSave

public final BitMapSet calleeSave

Registers you must save.

Method Detail

isUpToDate

public boolean isUpToDate()

Return true if this analysis is up to date.

Specified by:

isUpToDate in interface LocalAnalysis

printBeforeFunction

public void printBeforeFunction(java.io.PrintWriter output)

Debug print entries required by interface.

Specified by:

printBeforeFunction in interface LocalAnalysis

printBeforeBlock

public void printBeforeBlock(BasicBlk blk,
                             java.io.PrintWriter output)

Description copied from interface: LocalAnalysis

Called before each Basic Block.

Specified by:

printBeforeBlock in interface LocalAnalysis

printAfterBlock

public void printAfterBlock(BasicBlk blk,
                            java.io.PrintWriter output)

Description copied from interface: LocalAnalysis

Called after each Basic Block.

Specified by:

printAfterBlock in interface LocalAnalysis

printBeforeStmt

public void printBeforeStmt(LirNode stmt,
                            java.io.PrintWriter output)

Description copied from interface: LocalAnalysis

Called before each statement.

Specified by:

printBeforeStmt in interface LocalAnalysis

printAfterStmt

public void printAfterStmt(LirNode stmt,
                           java.io.PrintWriter output)

Description copied from interface: LocalAnalysis

Called after each statement.

Specified by:

printAfterStmt in interface LocalAnalysis

printAfterFunction

public void printAfterFunction(java.io.PrintWriter output)

Description copied from interface: LocalAnalysis

Called after function body.

Specified by:

printAfterFunction in interface LocalAnalysis