RFR 8135028 - support for vectorizing double precision sqrt

Berg, Michael C michael.c.berg at intel.com
Sat Sep 5 00:13:48 UTC 2015

Vladimir, it is fully separate, the functionality can be pushed beforehand.  (resending to the mail-list)


-----Original Message-----
From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com] 
Sent: Friday, September 04, 2015 4:48 PM
To: Berg, Michael C; hotspot-compiler-dev at openjdk.java.net
Subject: Re: RFR 8135028 - support for vectorizing double precision sqrt

This looks good. Does it depends on 8132160 - support for AVX 512 call frames? Can I pushed first?


On 9/4/15 1:34 PM, Berg, Michael C wrote:
> Hi Vladimir, as requested I have made a separate review for the sqrt 
> vector changes.
> I would like to contribute support for vectorizing double precision 
> sqrt on Intel architectures. I need two reviewers to examine this 
> patch and comment as needed:
> Bug-id: https://bugs.openjdk.java.net/browse/JDK-8135028
> webrev:
> http://cr.openjdk.java.net/~mcberg/8135028/webrev.01/
> These changes are made to add support to vectorize double precision 
> sqrt which is available through the math library in scalar form.  The 
> changes are for current and future Intel architectures.
> Thanks,
> Michael

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