[lworld] Integrated: 8255541: [lworld] Improve array layout checks in C2 compiled code

[Tobias Hartmann]

On Wed, 28 Oct 2020 13:56:51 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> C2 should use a single bit test of the layout helper value to check for flat/null-free inline type arrays. This is a prerequisite of JDK-8255046 which will then add support for checking the corresponding bits in the mark word instead.
> 
> Best regards,
> Tobias

This pull request has now been integrated.

Changeset: 756943d5
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.java.net/valhalla/commit/756943d5
Stats:     176 lines in 8 files changed: 37 ins; 76 del; 63 mod

8255541: [lworld] Improve array layout checks in C2 compiled code

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PR: https://git.openjdk.java.net/valhalla/pull/244