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8245756: Reduce bootstrap cost of StringConcatFactory prependers

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Reviewed-by: forax, psandoz
This commit is contained in:
Claes Redestad 2020-05-27 12:42:55 +02:00
parent 6e1403480a
commit 5200d162bc
4 changed files with 40 additions and 19 deletions
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30
src/java.base/share/classes/java/lang/StringConcatHelper.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -188,12 +188,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, boolean value, String suffix) {
static long prepend(long indexCoder, byte[] buf, boolean value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -207,12 +207,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, byte value, String suffix) {
static long prepend(long indexCoder, byte[] buf, byte value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, (int)value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -245,12 +245,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, char value, String suffix) {
static long prepend(long indexCoder, byte[] buf, char value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -264,12 +264,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, short value, String suffix) {
static long prepend(long indexCoder, byte[] buf, short value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, (int)value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -301,12 +301,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, int value, String suffix) {
static long prepend(long indexCoder, byte[] buf, int value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -338,12 +338,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, long value, String suffix) {
static long prepend(long indexCoder, byte[] buf, long value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);
@ -377,12 +377,12 @@ final class StringConcatHelper {
* @param indexCoder final char index in the buffer, along with coder packed
* into higher bits.
* @param buf buffer to append to
* @param prefix a constant to prepend before value
* @param value boolean value to encode
* @param prefix a constant to prepend before value
* @param suffix a constant to prepend after value
* @return updated index (coder value retained)
*/
static long prepend(long indexCoder, byte[] buf, String prefix, String value, String suffix) {
static long prepend(long indexCoder, byte[] buf, String value, String prefix, String suffix) {
if (suffix != null) indexCoder = prepend(indexCoder, buf, suffix);
indexCoder = prepend(indexCoder, buf, value);
if (prefix != null) indexCoder = prepend(indexCoder, buf, prefix);