RFR: 8324890: C2 SuperWord: refactor out VLoop, make unrolling_analysis static, remove init/reset mechanism [v4]

[Emanuel Peter]

On Sun, 4 Feb 2024 15:36:53 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   timing code from JDK-8325159
>
> src/hotspot/share/opto/superword.cpp line 71:
> 
>> 69:   bool is_slp = true;
>> 70:   size_t ignored_size = lpt->_body.size();
>> 71:   int *ignored_loop_nodes = NEW_RESOURCE_ARRAY(int, ignored_size);
> 
> TODO: make local, add ResourceMark.

Note: I will do this in a future RFE.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/17624#discussion_r1478265967