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List:       openjdk-ppc-aix-port-dev
Subject:    Re: crc32 on ppc64 (8131048)
From:       Vladimir Kozlov <vladimir.kozlov () oracle ! com>
Date:       2015-11-20 16:55:31
Message-ID: 564F5083.4050908 () oracle ! com
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On 11/20/15 8:41 AM, Volker Simonis wrote:
> Hi Vladimir,
> 
> did you mixed up UseCRC32CIntrinsics with UseCRC32Intrinsics (without
> the "C" in the middle)?

Of cause I did :)
Sorry for the noise.

Regards,
Vladimir

> 
> We have only implemented CRC32 until now but not CRC32C.
> 
> I was confused myself after your question and only found the solution
> after using "grep" with copy and pasting "UseCRC32CIntrinsics".
> 
> Regards,
> Volker
> 
> 
> On Fri, Nov 20, 2015 at 5:01 PM, Vladimir Kozlov
> <vladimir.kozlov@oracle.com <mailto:vladimir.kozlov@oracle.com>> wrote:
> 
> Hi,
> 
> We are reviewing crc32 implementation for SPARC currently and I
> looked on ppc code and found strange code for flag setting - it
> reset (set off) UseCRC32CIntrinsics flag immediately after setting
> it on:
> 
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/file/f60b602209c7/src/cpu/ppc/vm/vm_version_ppc.cpp#l162
>  
> Is it intentional?
> 
> Thanks,
> Vladimir
> 
> 


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