RFR: 8277882: New subnode ideal optimization: converting "c0 - (x + c1)" into "(c0 - c1) - x"

Mon Nov 29 03:40:38 UTC 2021

On Wed, 24 Nov 2021 23:53:14 GMT, Zang, Zhiqiang <duke at openjdk.java.net> wrote:

>> You should provide a microbenchmark to prove the effectiveness of the transformations, too.
>
> @merykitty Thank you for your comments. I made the merging and included both jtreg and microbenchmark tests. Please let me know if you have any other comments.

Hi @CptGit,

You need to open a enhancement-bug at https://bugs.openjdk.java.net/ for this PR.

The title of this PR must then be changed to "bug-number: bug-title" where the title matches the title of the bug.

Regards,
Nils

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PR: https://git.openjdk.java.net/jdk/pull/6441