[cfe-dev] computed goto/labels as values in interpreters

[Eli Friedman]

On Thu, Oct 11, 2012 at 11:36 AM, Carsten Mattner
<carstenmattner at gmail.com> wrote:
> On Wed, Oct 3, 2012 at 12:37 PM, Carsten Mattner
> <carstenmattner at gmail.com> wrote:
>> On Thu, Sep 27, 2012 at 4:10 PM, Carsten Mattner
>> <carstenmattner at gmail.com> wrote:
>>> On Sat, Sep 22, 2012 at 5:28 PM, Carsten Mattner
>>> <carstenmattner at gmail.com> wrote:
>>>> On Sat, Sep 22, 2012 at 4:51 PM, James Molloy <james at jamesmolloy.co.uk> wrote:
>>>>> Hi Carsten,
>>>>>
>>>>> He's asking for preprocessed source. If you run clang -cc1 in '-E'
>>>>> mode instead of the normal '-c', it will run only the preprocessor and
>>>>> emit source that is easy to compile elsewhere without dependencies.
>>>>
>>>> Mailed it privately to Eli, Rafael and you as it's a large file
>>>> and may contain info not meant for the public.
>>>>
>>>> Thanks for the help.
>>>
>>> Sending the files again, now publicly. Can you test and try to fix
>>> the infinite loop now?
>>>
>>> Any news on the slow and memory intensive compile of beam_emu.c
>>> mentioned earlier?
>>
>> Was somebody able to inspect the issues?
>
> Anybody?

I took a quick look at wxe_funcs.cpp; it doesn't hang for me with
trunk clang.  -ftime-report does show us spending an insane amount of
time in the loop-unswitch pass, and it's using a lot of memory (around
500 megabytes?), but it does complete successfully.

-Eli