[LLVMdev] JIT + tail cals

[Jeff Cohen]

VC++ builds are working again.

However, llvm-test is broken.  The configured makefile is bad:

# Path to the boxed-sim source code
@USE_BOXEDSIM@
BOXEDSIM_ROOT := @BOXEDSIM_ROOT@


Jeff Cohen wrote:

> 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.
>
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