Jeff Trawick wrote:
> sunanda menon wrote:
>> Hi,
>>
>> We have replaced the mysql-5.1.37 tarball with that of patching the 
>> mysql-5.1.37.tar.gz source from the download site.
>> Please review the changes made at 
>> http://cr.opensolaris.org/~sunandam/6857014/ and let me know your 
>> comments.
>>
>> Thanks Sunanda
>>
>>
>
>
> Is there a separate CR covering the cflags change from -x04 to -x02? 
> That should be called out in the webrev.
>
> -CXXCOMMONFLAGS= -DDBUG_OFF -DBIG_TABLES -DHAVE_RWLOCK_T -KPIC -DPIC 
> -xO4 \
> +CXXCOMMONFLAGS= -DDBUG_OFF -DBIG_TABLES -DHAVE_RWLOCK_T -KPIC -DPIC 
> -xO2 \
> -xprefetch=auto -xprefetch_level=3 -mt -fns=no -fsimple=1 
> -xbuiltin=%all \
> -xlibmil -xlibmopt -norunpath
>
> @@ -56,7 +56,7 @@
> CXX32FLAGS= $(CXXCOMMONFLAGS)
>
> # C common compiler flags
> -COMMONCFLAGS= -xO4 -xstrconst -xprefetch=auto -xprefetch_level=3 -mt\
> +COMMONCFLAGS= -xO2 -xstrconst -xprefetch=auto -xprefetch_level=3 -mt\
>
>
> That's the only thing I'm concerned about, but I guess finding/fixing 
> that issue can be prioritized/resourced independently from getting the 
> current failures resolved.
>
> +1 from me if the issue of -x02 can be clarified:

I'll have to do this as a possible workaround for now as the issue has 
been taken up at http://bugs.mysql.com/bug.php?id=49091.
-xO2 is a tried and tested optimization flag used by the mysql community 
and also in the mysql.com version sources.

Hope this clarifies.

Thanks Sunanda



>
> * note the related CR with the webrev
> ** should be clear that lowering the optimization for the entire 
> package is a work-around
> ** a CR should be kept open to investigate/resolve the underlying 
> problem in some manner other than lowering the optimization for the 
> entire package
>
>
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>
>
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-- 
Sunanda Menon
Database Technology Group
BLR03, x87098/91-80-66937098
http://blogs.sun.com/smenon

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