GCC trunk SPEC2000 performance

[Jan Hubicka]

> On Wed, Jun 19, 2002 at 10:43:40PM -0400, David Edelsohn wrote:
> > 2) "peak" (-O3 -funroll-all-loops -fprefetch=loop-arrays) produces slower
> > code than base (-O2) for many tests.
> 
> Peak cannot be considered "peak" with -funroll-all-loops
> as opposed to -funroll-loops.  That forces the compiler 
> to unroll a loop against its better judgement.

Yes, it is not meant to give best perofmrance, as the code is bloated
seriously.  I like it to point out the code issue problems anyway.
It is nice to see that GCC generated code is getting smaller gradulary,
that was not the case with older releases.

Honza
> 
> It's good for correctness testing, however.
> 
> 
> r~