On Fri, 3 Nov 2023 20:00:30 GMT, Sandhya Viswanathan <sviswanat...@openjdk.org>
wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Restricting masked sub-word gather to AVX512 target to align with integral
>> gather support.
>
> src/hotspot/share/opto/matcher.cpp line 2495:
>
>> 2493: n->del_req(MemNode::ValueIn+1);
>> 2494: break;
>> 2495: }
>
> The "break;" should be after the "}".
Its placed appropriately, we intend take fall-through path for non sub-word
case.
> src/hotspot/share/opto/vectorIntrinsics.cpp line 1551:
>
>> 1549: Node* index_vect = nullptr;
>> 1550: const TypeInstPtr* vbox_idx_type =
>> TypeInstPtr::make_exact(TypePtr::NotNull, vbox_idx_klass);
>> 1551: if (!is_subword_type(elem_bt)) {
>
> This could check for argument(8) to be not null instead.
Sub-word type check makes the intent more explicit.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/16354#discussion_r1382572989
PR Review Comment: https://git.openjdk.org/jdk/pull/16354#discussion_r1382572622
