Integrated: 8354650: [PPC64] Try to reduce register definitions

[David Briemann]

On Mon, 16 Jun 2025 12:35:47 GMT, David Briemann <dbriemann at openjdk.org> wrote:

> Defines the 32 vector registers and removes the 64 vector scalar register definitions. Reduces Mach registers from 398 to 270.

This pull request has now been integrated.

Changeset: a0820828
Author:    David Briemann <dbriemann at openjdk.org>
Committer: Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a08208283bcfe395c9962c8de3ba19fdd8cab985
Stats:     606 lines in 7 files changed: 1 ins; 194 del; 411 mod

8354650: [PPC64] Try to reduce register definitions

Reviewed-by: mdoerr, sroy

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PR: https://git.openjdk.org/jdk/pull/25828