Integrated: 8254884: Make sure jvm does not crash with Arm SVE and Vector API

[Ningsheng Jian]

On Mon, 19 Oct 2020 08:31:38 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

> Currently we have not implemented all Arm SVE code generation for Vector API specific nodes. To make sure hotspot does
> not crash with bad AD file (as NEON has implemented them), we simply add those OPs to unsupported op list.
> This is the port and minor cleanup of JDK-8253211 in repo-panama: https://github.com/openjdk/panama-vector/pull/7 with
> Op_VectorUnbox (not for codegen) and Op_VectorMaskWrapper (actually unused node. dead code?) removed from the
> unsupported op list and Op_VectorLoadConst added.  Test: tier1-3 on AArch64 and x86_64 as well as Vector API tests on
> AArch64 SVE.

This pull request has now been integrated.

Changeset: 42a6eadb
Author:    Ningsheng Jian <njian at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/42a6eadb
Stats:     132 lines in 4 files changed: 116 ins; 0 del; 16 mod

8254884: Make sure jvm does not crash with Arm SVE and Vector API

Reviewed-by: vlivanov, adinn

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PR: https://git.openjdk.java.net/jdk/pull/726