coins.backend.sched
Class LirNodeInf

java.lang.Object
  coins.backend.sched.LirNodeInf

public class LirNodeInf

extends java.lang.Object

Class to generate information of LirNode instruction

Field Summary

(package private) LirNode	lirNode
(package private) static int	LOAD_LATENCY
(package private) MachineParams	machineParams
(package private) static LirNode	MEM
(package private) static int	PARALLEL_LATENCY
(package private) Schedule	schedule
(package private) static LirNode	STACK_REG

Constructor Summary

(package private)

LirNodeInf(LirNode ln, Schedule schedule)

Method Summary

(package private) void	addMemDef(BiList bl, LirNode ln) Add constant MEM to BiList bl, if ln is a SET instruction and left hand child has a MEM instruction
(package private) void	addMemUse(BiList bl, LirNode ln) Add constant MEM to BiList bl, if ln is a SET instruction and right hand child has a MEM instruction, or if ln is a CALL instruction (because stack memory may be used as parameters)
(package private) void	addReg(BiList bl, LirNode ln)
(package private) void	addRegDef(BiList bl, LirNode ln) Add registers defined in LirNode ln to BiList bl
(package private) void	addRegUse(BiList bl, LirNode ln) Add registers used in LirNode ln to BiList bl
(package private) boolean	containsMEM(LirNode ln) Return true if LirNode ln contains Op.MEM
(package private) LirNode	getCalleeReg(LirNode ln)
(package private) BiList	input() Return list of input(use) registers or MEM of this LirNode
(package private) int	latency(int cost) Retrun latency of this LirNode
(package private) BiList	output() Return list of output(def) registers or MEM of this LirNode

Methods inherited from class java.lang.Object

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

Field Detail

LOAD_LATENCY

static final int LOAD_LATENCY

See Also:

Constant Field Values

PARALLEL_LATENCY

static final int PARALLEL_LATENCY

See Also:

Constant Field Values

MEM

static final LirNode MEM

STACK_REG

static final LirNode STACK_REG

lirNode

LirNode lirNode

schedule

Schedule schedule

machineParams

MachineParams machineParams

Constructor Detail

LirNodeInf

LirNodeInf(LirNode ln,
           Schedule schedule)

Method Detail

input

BiList input()

Return list of input(use) registers or MEM of this LirNode

output

BiList output()

Return list of output(def) registers or MEM of this LirNode

latency

int latency(int cost)

Retrun latency of this LirNode

Parameters:

cost -

containsMEM

boolean containsMEM(LirNode ln)

Return true if LirNode ln contains Op.MEM

Parameters:

ln -

addMemUse

void addMemUse(BiList bl,
               LirNode ln)

Add constant MEM to BiList bl, if ln is a SET instruction and right hand child has a MEM instruction, or if ln is a CALL instruction (because stack memory may be used as parameters)

Parameters:

bl -

ln -

addMemDef

void addMemDef(BiList bl,
               LirNode ln)

Add constant MEM to BiList bl, if ln is a SET instruction and left hand child has a MEM instruction

Parameters:

bl -

ln -

addRegUse

void addRegUse(BiList bl,
               LirNode ln)

Add registers used in LirNode ln to BiList bl

Parameters:

bl -

ln -

addRegDef

void addRegDef(BiList bl,
               LirNode ln)

Add registers defined in LirNode ln to BiList bl

Parameters:

bl -

ln -

addReg

void addReg(BiList bl,
            LirNode ln)

getCalleeReg

LirNode getCalleeReg(LirNode ln)