This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Using C++ in GCC is OK


Hi,

On Wed, 2 Jun 2010, Richard Guenther wrote:

> Well, on the one hand I agree - but on the other hand I see people 
> eagerly waiting to be the first to post patches to convert all VEC uses 
> that allocate from the heap(!) (yes - we can't use STL for GC allocated 
> stuff!), leaving us with files that use a mix of stl::vector and VEC.  
> VEC is clearly superior here in that it provides a general vector 
> implementation which can allocate from GC space, heap or even the stack.  
> Why switch to a less capable implementation?
> 
> OTOH for pointer-map and pointer-set I see little value keeping it (it 
> can't be used for GC allocated stuff), so std::map and std::set are a 
> perfect fit.

Except of course that our STL map and set are binary tree based and 
pointer_map/set are hash based, and hence require less lookups in most 
cases.


Ciao,
Michael.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]