RFR: 8263707: C1 RangeCheckEliminator support constant array and NewMultiArray [v2]

[Hui Shi]

On Tue, 23 Mar 2021 06:54:52 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Hui Shi has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add testcase and merge ifs
>
> src/hotspot/share/c1/c1_Canonicalizer.cpp line 251:
> 
>> 249:       set_constant(length->type()->as_IntConstant()->value());
>> 250:     } else if ((nma = x->array()->as_NewMultiArray()) != NULL) {
>> 251:       if ((length = nma->dims()->at(0)->as_Constant()) != NULL) {
> 
> The ifs could be merged.

ifs are merged in updated commit

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PR: https://git.openjdk.java.net/jdk/pull/3041