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RFR(S): 8175096: Use Subword Analysis for set vector size

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RFR(S): 8175096: Use Subword Analysis for set vector size

Deshpande, Vivek R

Hi

 

Currently subword types cannot use entire vector width using SLP. 

This fix analyzes the subword in the loop for possibility of narrowing and sets the vector size accordingly.

 

Webrev:

http://cr.openjdk.java.net/~vdeshpande/8175096/webrev.00/

I have also updated the JBS entry.

https://bugs.openjdk.java.net/browse/JDK-8175096

Would you please review and sponsor it.

 

Regards,

Vivek

 

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