coins.simd
Class LirUtil

java.lang.Object
  coins.simd.LirUtil

public class LirUtil

extends java.lang.Object

LIR utility class for SIMD

Constructor Summary

LirUtil()

Method Summary

static Symbol	basesymbol(LirNode exp) Returns MEM expression's base symbol
static ImList	btoim(BiList b) Transforms a BiList into ImList
static java.util.Vector	btov(BiList b) Transforms a BiList into Vector
static int	calcBoundary(int typ) Gets a boundary from a type
static long	calcIncval(int type) Returns type's byte
static boolean	contains(LirNode a, LirNode b) Checks if first LirNode contains second LirNode
static long	dispval(LirNode exp) Returns memory expression's displacement
static java.util.Vector	imlistToVector(ImList xs) Transforms an ImList into Vector
static boolean	isShiftOp(LirNode e) Checks if a LirNode's operator is "shift"
static boolean	isUsed(LirNode a, LirNode b) Checks if first LirNode is contained in second LirNode
static LirNode	operator(LirFactory factory, int c, int t, LirNode[] srcs, ImList opt) Makes a LirNode
static LirNode[]	pickupDefReferent(LirNode e)
static void	pickupDefReferent(LirNode e, java.util.Vector v)
static LirNode[]	pickupReferent(LirNode e)
static void	pickupReferent(LirNode e, java.util.Vector v)
static LirNode[]	pickupUseReferent(LirNode e)
static java.lang.String	typeKind(int typ) Changes a type to its kind(I or F or etc.)
static int	typeNum(int typ) Changes a type to bits
static BiList	vtob(java.util.Vector v) Transforms a Vecgtor into a BiList

Methods inherited from class java.lang.Object

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

Constructor Detail

LirUtil

public LirUtil()

Method Detail

typeNum

public static int typeNum(int typ)

Changes a type to bits

Parameters:

typ - int

Returns:

int

typeKind

public static java.lang.String typeKind(int typ)

Changes a type to its kind(I or F or etc.)

Returns:

String

basesymbol

public static Symbol basesymbol(LirNode exp)

Returns MEM expression's base symbol

Parameters:

exp - LirNode

Returns:

Symbol

dispval

public static long dispval(LirNode exp)

Returns memory expression's displacement

Parameters:

exp - LirNode

Returns:

long

calcIncval

public static long calcIncval(int type)

Returns type's byte

Parameters:

type - int

Returns:

long

imlistToVector

public static java.util.Vector imlistToVector(ImList xs)

Transforms an ImList into Vector

Parameters:

xs - ImList

Returns:

Vector

calcBoundary

public static int calcBoundary(int typ)

Gets a boundary from a type

Parameters:

typ - int

Returns:

int

btov

public static java.util.Vector btov(BiList b)

Transforms a BiList into Vector

Parameters:

b - BiList

Returns:

Vector

vtob

public static BiList vtob(java.util.Vector v)

Transforms a Vecgtor into a BiList

Parameters:

v - Vector

Returns:

BiList

btoim

public static ImList btoim(BiList b)

Transforms a BiList into ImList

Parameters:

b - BiList

Returns:

ImList

contains

public static boolean contains(LirNode a,
                               LirNode b)

Checks if first LirNode contains second LirNode

Parameters:

a - LirNode

b - LirNode

Returns:

boolean

isUsed

public static boolean isUsed(LirNode a,
                             LirNode b)

Checks if first LirNode is contained in second LirNode

Parameters:

a - LirNode

b - LirNode

Returns:

boolean

pickupDefReferent

public static LirNode[] pickupDefReferent(LirNode e)
                                   throws SimdOptException

Throws:

SimdOptException

pickupDefReferent

public static void pickupDefReferent(LirNode e,
                                     java.util.Vector v)
                              throws SimdOptException

Throws:

SimdOptException

pickupUseReferent

public static LirNode[] pickupUseReferent(LirNode e)
                                   throws SimdOptException

Throws:

SimdOptException

pickupReferent

public static LirNode[] pickupReferent(LirNode e)
                                throws SimdOptException

Throws:

SimdOptException

pickupReferent

public static void pickupReferent(LirNode e,
                                  java.util.Vector v)
                           throws SimdOptException

Throws:

SimdOptException

operator

public static LirNode operator(LirFactory factory,
                               int c,
                               int t,
                               LirNode[] srcs,
                               ImList opt)

Makes a LirNode

Parameters:

factory - LirFactory

c - int

t - int

srcs - LirNode[]

opt - ImList

Returns:

LirNode

isShiftOp

public static boolean isShiftOp(LirNode e)

Checks if a LirNode's operator is "shift"

Parameters:

e - LirNode

Returns:

boolean