Re: [patch] 19/n: trans-mem: compiler tree/gimple stuff

[Richard Henderson <rth@redhat.com>]

On 11/04/2011 04:53 PM, Aldy Hernandez wrote:
>> Why is it necessary to know whether a clone is a tm clone?
> 
> How do you mean?  First, there are a few pretty printing places where we dump that a function is a clone.  It is easy to debug dumps when you know which function is the clone and which is the original function, since we will dump both variants at code generation time.
> 
> Second, there is code in the TM lowering bits where we assert that we are not trying to lower TM clones ahead of time.  And there is a check in gate_tm_init() where we specify that the entire function is a TM region if it is a clone.
> 
> etc, etc.
> 
> Does this answer your question?

Richi, if it's the use of the bit in the tree node that you're worried about,
we could probably put it in cgraph_node.local instead.  But we do need the 
knowledge.


r~