Designs for better debug info in GCC

Alexandre Oliva aoliva@redhat.com
Mon Nov 26 10:11:00 GMT 2007


On Nov 24, 2007, "Richard Guenther" <richard.guenther@gmail.com> wrote:

> No, hashing is fine, but doing walks over a hashtable when your algorithm
> depends on ordering is not.

Point.

> I have patches to fix the instance of walking over all referenced
> vars.  Which is in the case of UIDs using bitmaps and a walk over a
> bitmap (which ensures walks in UID order).

Why is such memory and CPU overhead better than avoiding the
divergence of UIDs in the first place?

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}



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