RFR: 8277239: SIGSEGV in vrshift_reg_maskedNode::emit [v2]

[Dean Long]

On Sun, 21 Nov 2021 19:38:36 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Currently instruction selector differentiates between the two kinds of vector shift operations i.e. one with vector shift count and other with scalar shift count passed though LShiftCntV/RShiftCntV nodes by looking at the ideal opcode of shift count node.
>> 
>> A more robust scheme is to set a flag over vector shift node if it has variable vector shift count and replace the opcode based check with flag based check in various shift instruction selection patterns.
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8277239: Review comments resolution.

Marked as reviewed by dlong (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6431