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8261744: Implement CharsetDecoder ASCII and latin-1 fast-paths

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Reviewed-by: naoto, alanb
This commit is contained in:
Claes Redestad 2021-02-19 15:05:25 +00:00
parent efbaedeb81
commit 433096a45e
13 changed files with 453 additions and 263 deletions
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15
src/java.base/share/classes/java/lang/System.java
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@ -1981,6 +1981,11 @@ public final class System {
* Initialize the system class. Called after thread initialization.
*/
private static void initPhase1() {
// register the shared secrets - do this first, since SystemProps.initProperties
// might initialize CharsetDecoders that rely on it
setJavaLangAccess();
// VM might invoke JNU_NewStringPlatform() to set those encoding
// sensitive properties (user.home, user.name, boot.class.path, etc.)
// during "props" initialization.
@ -2026,8 +2031,6 @@ public final class System {
Thread current = Thread.currentThread();
current.getThreadGroup().add(current);
// register shared secrets
setJavaLangAccess();
// Subsystems that are invoked during initialization can invoke
// VM.isBooted() in order to avoid doing things that should
@ -2277,6 +2280,14 @@ public final class System {
return String.getBytesUTF8NoRepl(s);
}
public void inflateBytesToChars(byte[] src, int srcOff, char[] dst, int dstOff, int len) {
StringLatin1.inflate(src, srcOff, dst, dstOff, len);
}
public int decodeASCII(byte[] src, int srcOff, char[] dst, int dstOff, int len) {
return String.decodeASCII(src, srcOff, dst, dstOff, len);
}
public void setCause(Throwable t, Throwable cause) {
t.setCause(cause);
}