[Bug target/19597] [4.0 Regression] avr-gcc 4.0, multiplication by constant, very long code

[marekm at amelek dot gda dot pl]

------- Additional Comments From marekm at amelek dot gda dot pl  2005-01-24 09:24 -------
Subject: Re:  [4.0 Regression] avr-gcc 4.0, multiplication by constant, very long code

On Mon, Jan 24, 2005 at 08:56:46AM -0000, giovannibajo at libero dot it wrote:

> Marek, can you review this patch please?

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19597

Thanks.  Reviewing this will take some time - I agree the current rtx
costs are not perfect, but changing them can affect generated code in
unexpected ways.  It would be good to test it a lot on various test
cases, to make sure it doesn't introduce new code size regressions...

Marek



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19597