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8343650: Reuse StringLatin1::putCharsAt and StringUTF16::putCharsAt

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Reviewed-by: liach
This commit is contained in:
Shaojin Wen 2024-11-11 00:40:26 +00:00
parent 423e8e0999
commit 74ae3c688b
1 changed files with 8 additions and 36 deletions
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44
src/java.base/share/classes/java/lang/StringConcatHelper.java
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@ -236,17 +236,10 @@ final class StringConcatHelper {
if (indexCoder < UTF16) {
if (value) {
index -= 4;
buf[index] = 't';
buf[index + 1] = 'r';
buf[index + 2] = 'u';
buf[index + 3] = 'e';
StringLatin1.putCharsAt(buf, index, 't', 'r', 'u', 'e');
} else {
index -= 5;
buf[index] = 'f';
buf[index + 1] = 'a';
buf[index + 2] = 'l';
buf[index + 3] = 's';
buf[index + 4] = 'e';
StringLatin1.putCharsAt(buf, index, 'f', 'a', 'l', 's', 'e');
}
index -= prefix.length();
prefix.getBytes(buf, index, String.LATIN1);
@ -254,17 +247,10 @@ final class StringConcatHelper {
} else {
if (value) {
index -= 4;
StringUTF16.putChar(buf, index, 't');
StringUTF16.putChar(buf, index + 1, 'r');
StringUTF16.putChar(buf, index + 2, 'u');
StringUTF16.putChar(buf, index + 3, 'e');
StringUTF16.putCharsAt(buf, index, 't', 'r', 'u', 'e');
} else {
index -= 5;
StringUTF16.putChar(buf, index, 'f');
StringUTF16.putChar(buf, index + 1, 'a');
StringUTF16.putChar(buf, index + 2, 'l');
StringUTF16.putChar(buf, index + 3, 's');
StringUTF16.putChar(buf, index + 4, 'e');
StringUTF16.putCharsAt(buf, index, 'f', 'a', 'l', 's', 'e');
}
index -= prefix.length();
prefix.getBytes(buf, index, String.UTF16);
@ -638,34 +624,20 @@ final class StringConcatHelper {
if (coder == String.LATIN1) {
if (value) {
index -= 4;
buf[index] = 't';
buf[index + 1] = 'r';
buf[index + 2] = 'u';
buf[index + 3] = 'e';
StringLatin1.putCharsAt(buf, index, 't', 'r', 'u', 'e');
} else {
index -= 5;
buf[index] = 'f';
buf[index + 1] = 'a';
buf[index + 2] = 'l';
buf[index + 3] = 's';
buf[index + 4] = 'e';
StringLatin1.putCharsAt(buf, index, 'f', 'a', 'l', 's', 'e');
}
index -= prefix.length();
prefix.getBytes(buf, index, String.LATIN1);
} else {
if (value) {
index -= 4;
StringUTF16.putChar(buf, index, 't');
StringUTF16.putChar(buf, index + 1, 'r');
StringUTF16.putChar(buf, index + 2, 'u');
StringUTF16.putChar(buf, index + 3, 'e');
StringUTF16.putCharsAt(buf, index, 't', 'r', 'u', 'e');
} else {
index -= 5;
StringUTF16.putChar(buf, index, 'f');
StringUTF16.putChar(buf, index + 1, 'a');
StringUTF16.putChar(buf, index + 2, 'l');
StringUTF16.putChar(buf, index + 3, 's');
StringUTF16.putChar(buf, index + 4, 'e');
StringUTF16.putCharsAt(buf, index, 'f', 'a', 'l', 's', 'e');
}
index -= prefix.length();
prefix.getBytes(buf, index, String.UTF16);