Some thoughts and quetsions about the data flow infrastracture

Vladimir Makarov vmakarov@redhat.com
Tue Feb 13 21:07:00 GMT 2007


David Edelsohn wrote:

>>>>>>Vladimir Makarov writes:
>>>>>>            
>>>>>>
>
>Vlad> I did investigate the current status of the infrastructure on future 
>Vlad> mainstream processor Core2 (> 11% slower compiler, worse code and bigger 
>Vlad> code size).  That is the reason why I started this.
>
>	You do not believe that this is a concern of others?  You do not
>believe that this will be addressed after the merge?
>
>	This could be an example of GCC optimization becoming more
>aggressive with increased accuracy, causing increased register pressure
>problems, which is particularly detrimental to GCC for IA-32.
>
>	Why don't we analyse and fix any problems instead of trying to
>keep GCC's infrastructure weak and stupid to cover up its inadequacies?
>Complaining about and blocking the merge of df does not solve the problem,
>it only delays it.
>  
>
Once again.  I am agree to stop this discussion.  This is the last my 
email on the thread.  I just hope the thread was not waisting people's 
time.  If it is so I appologize for that.





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