org.jikesrvm.ia32

Enum RegisterConstants.FPR

java.lang.Object

java.lang.Enum<RegisterConstants.FPR>

org.jikesrvm.ia32.RegisterConstants.FPR

All Implemented Interfaces:

Serializable, Comparable<RegisterConstants.FPR>, MachineRegister, RegisterConstants.FloatingPointMachineRegister, RegisterConstants.IntelMachineRegister

Enclosing class:

RegisterConstants

public static enum RegisterConstants.FPR
extends Enum<RegisterConstants.FPR>
implements RegisterConstants.FloatingPointMachineRegister

Representation of x87 floating point registers

Enum Constant Summary

Enum Constants

Enum Constant and Description
FP0
FP1
FP2
FP3
FP4
FP5
FP6
FP7

Field Summary

Fields

Modifier and Type	Field and Description
private static RegisterConstants.FPR[]	vals Local copy of the backing array.

Method Summary

Modifier and Type	Method and Description
static RegisterConstants.FPR	lookup(int num) Convert encoded value into the FPR it represents
boolean	needsREXprefix()
byte	value()
static RegisterConstants.FPR	valueOf(String name) Returns the enum constant of this type with the specified name.
static RegisterConstants.FPR[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

FP0

public static final RegisterConstants.FPR FP0

FP1

public static final RegisterConstants.FPR FP1

FP2

public static final RegisterConstants.FPR FP2

FP3

public static final RegisterConstants.FPR FP3

FP4

public static final RegisterConstants.FPR FP4

FP5

public static final RegisterConstants.FPR FP5

FP6

public static final RegisterConstants.FPR FP6

FP7

public static final RegisterConstants.FPR FP7

Field Detail

vals

private static final RegisterConstants.FPR[] vals

Local copy of the backing array. Copied here to avoid calls to clone

Method Detail

values

public static RegisterConstants.FPR[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (RegisterConstants.FPR c : RegisterConstants.FPR.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static RegisterConstants.FPR valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

value

public byte value()

Specified by:

value in interface MachineRegister

Specified by:

value in interface RegisterConstants.IntelMachineRegister

Returns:

encoded value of this register

needsREXprefix

public boolean needsREXprefix()

Specified by:

needsREXprefix in interface RegisterConstants.IntelMachineRegister

Returns:

does this register require a REX prefix byte?

lookup

public static RegisterConstants.FPR lookup(int num)

Convert encoded value into the FPR it represents

Parameters:

num - encoded value

Returns:

represented FPR