[LLVMdev] JIT + tail cals

[Jeff Cohen]

Chris Lattner wrote:

> On Wed, 18 May 2005, Chris Lattner wrote:
>
>> Yup, something like this should work.  Two comments though:
>> 2. I haven't done much testing with the JIT and tail calls.  I 
>> wouldn't be
>>   suprised if there are minor issues that need to be fixed.  I will try
>>   to take a look and see what remains to be done over the next couple of
>>   days.
>
>
> As I expected, there were issues.  I fixed the following two problems:
>
> 1. The JIT didn't know where a call came from when it was a tail call 
> (jmp
>    doesn't push a return address).
> 2. The JIT was clobbering EAX/EDX when lazily compiling a function, and
>    X86 fastcc wants to pass values in those registers.
>
> I think things are working now, give it a spin and lemme know if you 
> hit any problems.
>
> -Chris
>
VC++ build is broken as a result of this change.  I'll get it fixed soon.