RFR: 8275167: x86 intrinsic for unsignedMultiplyHigh [v2]

[Vamsi Parasa]

On Fri, 15 Oct 2021 19:31:24 GMT, Vamsi Parasa <duke at openjdk.java.net> wrote:

>> src/hotspot/share/opto/mulnode.cpp line 468:
>> 
>>> 466: }
>>> 467: 
>>> 468: //=============================================================================
>> 
>> MulHiLNode::Value() and UMulHiLNode::Value() seem to be identical. Perhaps some refactoring would be in order, maybe make a common shared routine.
>
> Sure, will do the refactoring to use a shared routine.

Pushed the refactored code to use a common routine for MulHiLNode::Value() and UMulHiLNode::Value(). Please review...

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PR: https://git.openjdk.java.net/jdk/pull/5933