RFR: 8291809: Convert compiler/c2/cr7200264/TestSSE2IntVect.java to IR verification test [v2]

[Christian Hagedorn]

On Thu, 18 Jan 2024 11:49:49 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Daniel Lundén has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Refactor test to use multiple @Test
>
> test/hotspot/jtreg/compiler/c2/cr7200264/TestIntVect.java line 412:
> 
>> 410:     }
>> 411: 
>> 412:     int test_sum(int[] a1) {
> 
> Suggestion:
> 
>     // Not vectorized: simple addition not profitalbe, see JDK-8307516.
>     int test_sum(int[] a1) {

Is it simply not profitable or not possible (since we also do some correctness/feasibility checking in `SuperWord::profitable()`)?

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PR Review Comment: https://git.openjdk.org/jdk/pull/17428#discussion_r1457432885