[vectorIntrinsics] RFR: 8262275: Math vector stubs are not called for double64 vectors

[Sandhya Viswanathan]

On Thu, 4 Mar 2021 01:22:21 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> src/hotspot/cpu/x86/x86.ad line 1904:
>> 
>>> 1902:   if (bt == T_DOUBLE) {
>>> 1903:     size = 1;
>>> 1904:   }
>> 
>> @DamonFool Would T_LONG also benefit from similar change?
>
>> @DamonFool Would T_LONG also benefit from similar change?
> 
> Thanks @sviswa7 for your review.
> 
> Yes.
> But since there is no svml support for T_LONG, I'd like to support more Double64 and Long64 vectorization after this PR.
> Thanks.

Sounds good, thanks.

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PR: https://git.openjdk.java.net/panama-vector/pull/39