Integrated: 8346890: AArch64: Type profile counters generate suboptimal code

[Andrew Haley]

On Thu, 9 Jan 2025 16:30:49 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Type profile counters are emitted many times in C1-generated code. The generator was written a long time ago before we knew how best to write AArch64 code, and the generated code is rather suboptimal.
> 
> This PR reduces the size of a typical bimorphic type profile counter from 33 to 27 instructions.

This pull request has now been integrated.

Changeset: 5a0bdd04
Author:    Andrew Haley <aph at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/5a0bdd04e0d62bbdd01373510cb1d06c586e69b3
Stats:     30 lines in 2 files changed: 16 ins; 6 del; 8 mod

8346890: AArch64: Type profile counters generate suboptimal code

Reviewed-by: shade, adinn

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PR: https://git.openjdk.org/jdk/pull/23012