RFR: 8366427: C2 SuperWord: refactor VTransform scalar nodes

[Emanuel Peter]

On Fri, 29 Aug 2025 14:41:53 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> src/hotspot/share/opto/vtransform.cpp line 1009:
>> 
>>> 1007:   tty->print("node[%d %s] ", _node->_idx, _node->Name());
>>> 1008:   _vpointer.print_on(tty, false);
>>> 1009: }
>> 
>> Consider separate RFE to use `outputStream*` for all prints.  If we go into UL word we need to collect all outputs in one buffer as we discussed on recent meeting.
>
> Good idea! I'll file an RFE.

[JDK-8366445](https://bugs.openjdk.org/browse/JDK-8366445): C2 SuperWord: use outputStream instead of tty where possible

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PR Review Comment: https://git.openjdk.org/jdk/pull/27002#discussion_r2310461075