Hi Shivarama,
Could you please also file a bug (if there isn't one) and attach the test
case to the bugzilla before you check in this patch? So that you can refer
the bug number when you submit the patch. Thank you very much.
2012/5/31 Sun Chan <sun.c...@gmail.com>
> looks good to me
> Sun
>
> On Thu, May 31, 2012 at 8:05 PM, Rao, Shivarama <shivarama....@amd.com>wrote:
>
>> Hi,****
>>
>> ** **
>>
>> Could a gatekeeper please review the following changes, which would fix
>> cmake build under Open64?****
>>
>> ** **
>>
>> The hyperblock scheduler makes the following transformation, which is
>> incorrect in 64 bit mode.****
>>
>> ****
>>
>> From:****
>>
>> addl $1,%edx ****
>>
>> movsbl 0(%rdx,%r9,1), %eax ****
>>
>> ** **
>>
>> To:****
>>
>> movsbl 1(%rdx,%r9,1), %eax ****
>>
>> addl $1,%edx ****
>>
>> ** **
>>
>> In the test environment $edx value is initially -1 and the address
>> computed for movsbl would have been 0+0+r9*1. With the above optimization,
>> the address computed is 1+0xffff+$r9*1 which is incorrect. The fix
>> disallows the above transformation in 64 bit mode when add is a 32 bit
>> instruction.****
>>
>> ** **
>>
>> Regards,****
>>
>> Shivaram****
>>
>> ** **
>>
>> ** **
>>
>>
>> ------------------------------------------------------------------------------
>> Live Security Virtual Conference
>> Exclusive live event will cover all the ways today's security and
>> threat landscape has changed and how IT managers can respond. Discussions
>> will include endpoint security, mobile security and the latest in malware
>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> _______________________________________________
>> Open64-devel mailing list
>> Open64-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/open64-devel
>>
>>
>
>
> ------------------------------------------------------------------------------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> _______________________________________________
> Open64-devel mailing list
> Open64-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/open64-devel
>
>
--
Regards,
Lai Jian-Xin
------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
_______________________________________________
Open64-devel mailing list
Open64-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/open64-devel
