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Re: Sequence of access to passes.c


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Andi Hellmund wrote:
> Ian Lance Taylor wrote:
>> Ankit Mahanot <ankit1986@gmail.com> writes:
>>
>>  
>>> 1) passes.c calls all the optimizations. But how does the control
>>> reach passes.c. I mean when a code starts compiling, which file calls
>>> passes.c
>>>    
>> grep is your friend.  Look for the various calls to execute_pass_list.
>>  
> If grep is too cumbersome for you :), I would recommend the use of
> cscope which allows you to browse the source code for e.g. function
> defintions and function references. This is probably more
> programming-oriented than grep.
>
> Take a lot at: *
> **http://cscope.sourceforge.net/*
> and at *
> **cscope.sourceforge.net/cscope_vim_tutorial.html*
> for the integration of cscope into vim
>
> Andi
>>  
>>> 2) Where should I write my code. In passes.c OR somewhere else ??
>>>    
>> If you want to change the order of passes, then passes.c seems like a
>> good place.  Note that mainline gcc has support for plugins to add new
>> passes which you might want to look at.
>>
>>  
>>> 3) is online profiling possible because i want to calculate the time
>>> taken by different optimizations  & apply the algo based on those
>>> timings.
>>>    
>> See -ftime-report.
>>
>> Ian
>>
>>  
Personally i prefer ack-grep http://betterthangrep.com/ :) its a nicer
grep though i am sure you can use grep to do the same as this as it is
just a wrapper over grep i think :)
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