RFR: 8318446: C2: implement StoreNode::Ideal_merge_stores

Wed Jan 17 15:17:53 UTC 2024

On Wed, 17 Jan 2024 15:10:33 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

> Sure, if there are actually more than 2 RangeChecks. But if the stores are all adjacent, then I would hope that the RangeChecks get smeared, and so we only have 2 left, right? The first before the stores, and the second before the second store. And so only the first store should have other uses. Do you agree?

Ok, but that assumes the sequence of offsets is increasing.

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PR Comment: https://git.openjdk.org/jdk/pull/16245#issuecomment-1896021311