RFR: 8370473: C2: Better Aligment of Vector Spill Slots [v2]

[Richard Reingruber]

On Fri, 7 Nov 2025 16:19:46 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> I don't like hard coded integer literals.
>> I also think that further clean-up is needed. E.g. `ideal_reg() == Op_VecX` should be asserted for vectors.
>
> ideal_reg() == Op_VecX is already in the condition above.

Indeed but what if that ever changes?? That case will be silently unhandled.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/27969#discussion_r2504421992