[Bug rtl-optimization/20969] unrolling does not take target register pressure into account.

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-04-12 16:26 -------
(In reply to comment #6)
> No but if we go your route, then every place where we do an 
> optimization, we
> will then need to teach it about register pressure which is wrong.  Only
> the register allocator should know.

Also note you are just working around the issue is that we don't have a good register allocator, fixing 
that will fix this correct.  Yes you have patches for the work around but that is not good enough any 
more.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20969