[LLVMdev] Announcing: LLVM 2.9 Tentative Release Schedule

Bill Wendling bwendling at apple.com
Thu Feb 24 16:27:43 PST 2011


On Feb 24, 2011, at 4:05 AM, Jan Sjodin wrote:

> On Feb 19, 2011, at 8:05 PM, Yuri wrote:
>> 
>>> On 02/19/2011 14:52,  Yuri wrote:
>>>> Will MC path for JNI be included in 2.9?
>>>> 
>>> 
>>> Sorry. I meant: Will MC path for JIT be included in  2.9?
>> 
>> While it would be nice, it doesn't seem like anyone is working on it  at the  
>> moment.
>> 
>> -Chris
>> 
> 
> I have been working on my own stuff this month. This is still not the  "proper" 
> solution that has been proposed for MCJIT. I posted some  patches a few weeks 
> ago, but since there was no response I continued to  work anyway. I decided to 
> try and reuse the ELF code emission as much as  possible to be able to run gdb 
> on the generated code. By refactoring  the code for MCELFStreamer and 
> ELFObjectWriter I am now able to  generate code in memory and the code can be 
> executed and debugged with  dgb. With a bit more cleanup I believe it is 
> possible to get a "JIT" (it  generates code for a whole module) with just a few 
> hundred lines of  code. I'm not sure if this is what people want in general but 
> it works  for my application. 
> 
Just a reminder:

The deadline for "new features" is coming up (i.e., the date of the 2.9 branch). After branching, there will still be time to finish up features that are near complete. That said, a longer "bake-time" for new features is preferred. And at this point, it is probably up to the various maintainers to approve or reject them.

If it's possible to turn a new feature off, that's a definite bonus. :-) Because we can then determine if we want it on or off by default without affecting the 2.9 release timeframe.

-bw





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