Request for reviews (XXL): 6961690: load oops from constant table on SPARC

[Christian Thalinger]

On Nov 15, 2010, at 3:23 PM, David Cox wrote:
> On 11/15/10 2:45 PM, Christian Thalinger wrote:
>> On Nov 12, 2010, at 10:58 PM, Vladimir Kozlov wrote:
>>> Most important is why it is not under flag?
>>
>>
>> Hmm, I never thought about putting it under a flag since in theory  
>> materializing the constant table base address only once instead of  
>> every time it's required should always be a win.
>
> Paul also notes that the overall optimization may not be beneficial  
> for all SPARC incarnations so having it switchable based upon chip  
> version would be good.

But I'm not talking about RDPC just address materialization.  Maybe  
some SPARC implementations don't have 32 on-chip registers and it  
could get a RA problem, don't know about that.  If you want me I can  
add a switch.

-- Christian