stepan at suse.de
Tue Dec 2 11:21:00 CET 2003
* ron minnich <rminnich at lanl.gov> [031202 17:13]:
> On 1 Dec 2003, Eric W. Biederman wrote:
> > Ron one thing you did note was the changing of word accesses to byte
> > accesses. With romcc that does not help in the case of register pressure.
> I would think it would hurt since x86 lets you use those little
> sub-registers (puddle arithmetic), so using bigger registers reduces the
> number of registers available.
Yes, being able to use this from romcc would severely lower register
pressure I assume. Neither romcc nor the code compiled with it takes
care of this at the moment though.
Stefan Reinauer, SUSE LINUX AG
Teamleader Architecture Development
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