CR for RFR 8164989
Berg, Michael C
michael.c.berg at intel.com
Fri Sep 2 20:05:13 UTC 2016
Vladimir, please see the latest webrev for the comment addition:
Also I have create a new bug and referenced it to this jbs issue (https://bugs.openjdk.java.net/browse/JDK-8164989 ).
See https://bugs.openjdk.java.net/browse/JDK-8165287 for details concerning the remaining issue for compress.
From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com]
Sent: Thursday, September 01, 2016 11:56 AM
To: hotspot-compiler-dev at openjdk.java.net; Berg, Michael C <michael.c.berg at intel.com>
Subject: Re: CR for RFR 8164989
Please, add comment which explain why it is disabled ( 0 && ).
File a bug (if you did not do that already) which will address the compress issue and reference it in the comment.
On 8/30/16 6:30 PM, Berg, Michael C wrote:
> Hi Folks,
> I would like to contribute a bug fix for SKX and KNL EVEX code gen.
> The inflate and compress intrinsics on avx512 yield incorrect results
> and cause derby, sunflow, xml.transform and xml.validation to fail. I
> have disabled the avx512 context for compress as it needs some rework
> and repaired inflate. Please review the resultant code.
> This code was tested as follows: hotspot jreg, SPECjvm2008 bdw, skx,
> knl complete with no issues. This change addresses
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/4a39ee246f70 which
> was added in early May.
> Bug-id: https://bugs.openjdk.java.net/browse/JDK-8164989
More information about the hotspot-compiler-dev