hg: jdk-updates/jdk11u-dev: 8245047: [PPC64] C2: ReverseBytes + Load always match to unordered Load (acquire semantics missing)

[martin.doerr at sap.com]

Changeset: 098febb51a14
Author:    mdoerr
Date:      2020-05-19 15:11 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/098febb51a14

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

! src/hotspot/cpu/ppc/ppc.ad