Re: [Bug rtl-optimization/38139] --enable-checking=all times out during bootstrap

[Andrew Thomas Pinski <pinskia@gmail.com>]

Sent from my iPhone

On Nov 15, 2008, at 1:59 PM, "edwintorok at gmail dot com" <gcc-bugzilla@gcc.gnu.org 
 > wrote:

>
>
> ------- Comment #2 from edwintorok at gmail dot com  2008-11-15  
> 21:59 -------
> (In reply to comment #1)
>> Subject: Re:   New: --enable-checking=all times out during bootstrap
>>
>>
>>
>> Sent from my iPhone
>>
>> On Nov 15, 2008, at 1:27 PM, "edwintorok at gmail dot com"
>> <gcc-bugzilla@gcc.gnu.org
>>> wrote:
>>
>>> I tried to build a gcc 4.4.0 with --enable-checking=all but it timed
>>> out:
>>
>> Since --enable-checking=all enables gc all the time then yes
>> It will take a long time. Maybe even days. Marking is expensive.
>>
>
> Thanks, this is the 'gcac' flag, right?
>
Yes.

> What if I build with  
> "assert,df,fold,rtl,misc,tree,gc,rtlflag,runtime", would
> that build within a reasonable amount of time?

Rtl checking is also expensive (no way near as expensive as gcac) but  
it does find real bugs in some cases. Everything else is enabled by  
default during development of the trunk.

>
>
> And is it worth to build with more checking, than those enabled by  
> default?
> [i.e. did that expose bugs in the past?]



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> -- 
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> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38139
>