hg: jdk/jdk: 8245047: [PPC64] C2: ReverseBytes + Load always match to unordered Load (acquire semantics missing)

[martin.doerr at sap.com]

Changeset: be14f631436c
Author:    mdoerr
Date:      2020-05-19 15:11 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/be14f631436c

8245047: [PPC64] C2: ReverseBytes + Load always match to unordered Load (acquire semantics missing)
Summary: Introduce separate nodes with acquire semantics which match ReverseBytes + Load.acquire.
Reviewed-by: shade, lucy

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