Integrated: 8360405: [PPC64] some environments don't support mfdscr instruction

[Martin Doerr]

On Tue, 24 Jun 2025 15:19:50 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Add back `has_mfdscr()` checks which were recently removed. See https://github.com/openjdk/jdk/pull/20262#issuecomment-2999872960

This pull request has now been integrated.

Changeset: f71d64fb
Author:    Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f71d64fbeb0c196fd825241ff86d3a103d05a842
Stats:     73 lines in 4 files changed: 33 ins; 0 del; 40 mod

8360405: [PPC64] some environments don't support mfdscr instruction

Reviewed-by: haosun, rrich

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PR: https://git.openjdk.org/jdk/pull/25953