RFR: JDK-8277178: Reduce the priority of data dependent nodes when OptoScheduling enabled [v6]

[SUN Guoyun]

On Fri, 14 Jan 2022 17:55:13 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> In general, inserting instructions between load value and its use can lead to spilling on stack if registers pressure is high. We saw such cases before. We should be careful here because your current changes affect all platforms.

Thanks, I will further confirm whether this patch will have an impact on register pressure.

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PR: https://git.openjdk.java.net/jdk/pull/6407