On Thu, 30 Mar 2023 14:41:29 GMT, Quan Anh Mai <qa...@openjdk.org> wrote:
>> Yeah, I agree that saving a node have some benefits like what you said. My
>> concern is there are more and more methods added into `Matcher::` and each
>> platform has to do the different implementation. There is not too much
>> meaning for those platforms that do not implement Vector API like`
>> arm/ppc/...` for me. This makes code not so easy to maintain.
>
> I agree, I am thinking of (ab)using template to have a common query function
> like this
>
> template <VectorQuery N, class T, class... U>
> T vectorQuery(U... args) {
> return T();
> }
>
> then each platform can have a specialisation that looks like this:
>
> template <>
> bool vectorQuery<VectorQuery::NEEDS_LOAD_SHUFFLE>(BasicType bt, int vlen)
> {
> }
>
> Unimplemented platform will return `false` for this, what do you think?
Sounds good! Maybe we can have a folllowed patch to see what the final code
looks like. Thanks!
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PR Review Comment: https://git.openjdk.org/jdk/pull/13093#discussion_r1153928312
