RFR: 8325340: Add ASCII fast-path to Data-/ObjectInputStream.readUTF [v6]

[Raffaello Giulietti]

On Thu, 15 Feb 2024 13:07:20 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Adding a fast-path for ASCII-only modified UTF-8 strings deserialied via Data- and ObjectInputStream
>> 
>> Testing: tier1-3
>
> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/java.base/share/classes/java/io/DataInputStream.java
>   
>   Co-authored-by: Raffaello Giulietti <raffaello.giulietti at oracle.com>

Looks fine.

test/micro/org/openjdk/bench/java/io/DataInputStreamTest.java line 2:

> 1: /*
> 2:  * Copyright (c) 2020, 2024, Red Hat Inc. All rights reserved.

Suggestion:

 * Copyright (c) 2020, Red Hat Inc. All rights reserved.
 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.

AFAIU, we don't update 3rd party copyright notices.

test/micro/org/openjdk/bench/java/io/ObjectInputStreamTest.java line 2:

> 1: /*
> 2:  * Copyright (c) 2020, 2024, Red Hat Inc. All rights reserved.

Probably the result of a copy&paste...
Suggestion:

 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.

-------------

PR Review: https://git.openjdk.org/jdk/pull/17734#pullrequestreview-1885257935
PR Review Comment: https://git.openjdk.org/jdk/pull/17734#discussion_r1492524358
PR Review Comment: https://git.openjdk.org/jdk/pull/17734#discussion_r1492525025