RFR: 8318446: C2: implement StoreNode::Ideal_merge_stores

[Claes Redestad]

On Wed, 17 Jan 2024 15:44:38 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

> And I do only merge them if they are increasing. It is a limitation, but not a terrible one I'd say.

Would this mean big-endian variants would not be candidates for this optimization? Since offsets would locally decrease for subsequent store? Adding BE microbenchmarks would be good regardless.

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PR Comment: https://git.openjdk.org/jdk/pull/16245#issuecomment-1898465718