com.oracle.graal.hotspot.replacements

Class CRC32Substitutions

java.lang.Object

com.oracle.graal.hotspot.replacements.CRC32Substitutions

public class CRC32Substitutions
extends Object

Substitutions for CRC32.

Field Summary

Fields

Modifier and Type	Field and Description
static ForeignCallDescriptor	UPDATE_BYTES_CRC32

Constructor Summary

Constructors

Constructor and Description
CRC32Substitutions()

Method Summary

Modifier and Type	Method and Description
private static long	crcTableAddress() Gets the address of StubRoutines::x86::_crc_table in stubRoutines_x86.hpp.
(package private) static int	update(int crc, int b)
(package private) static int	updateByteBuffer(int crc, long addr, int off, int len)
static int	updateBytes(ForeignCallDescriptor descriptor, int crc, Word buf, int length)
(package private) static int	updateBytes(int crc, byte[] buf, int off, int len)

Methods inherited from class java.lang.Object

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

Field Detail

UPDATE_BYTES_CRC32

public static final ForeignCallDescriptor UPDATE_BYTES_CRC32

Constructor Detail

CRC32Substitutions

public CRC32Substitutions()

Method Detail

crcTableAddress

private static long crcTableAddress()

Gets the address of StubRoutines::x86::_crc_table in stubRoutines_x86.hpp.

update

static int update(int crc,
                  int b)

updateBytes

static int updateBytes(int crc,
                       byte[] buf,
                       int off,
                       int len)

updateByteBuffer

static int updateByteBuffer(int crc,
                            long addr,
                            int off,
                            int len)

updateBytes

public static int updateBytes(ForeignCallDescriptor descriptor,
                              int crc,
                              Word buf,
                              int length)