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Re: i386 backend
Ronald van Eijck wrote:
> Jamie Lokier Wrote
> > Last time I observed someone comparing GCC and MSVC++, GCC was faster by
> > about 20% IIRC (around 3 years ago). MSVC++ compiled much faster
> > though, so they still used it (the project required on-the-fly
> > compilation). Also MSVC++ produced much smaller executables for C++.
>
> This might be a very important clue. If GCC produces bigger executables there
> are situations where the GCC code has a lot more cache misses then the
> smaller executables generated by another compiler. This difference will not
> show up in (small) isolated testcases.
Most of the bulk seemed to be exception handling and debugging information.
-- Jamie