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Re: [RFC] Run copyrename one extra time before out-of-ssa
On Friday 21 January 2005 18:59, Mark Mitchell wrote:
> Jeffrey A Law wrote:
> >>May I interpret your comments as "OK" after bootstrapping/testing? ;-)
> > I can't speak for Andrew, but it would have my support.
> In theory, this makes sense, but we need more analysis than an isolated
There are other cases where it helps. For example, my patch
saves 2kb of .text size at -O2 for PR17549, which is almost
10% (unfortunately it wins only a few 100 bytes for -Os).
> Please obtain benchmark numbers on at least one, and
> hopefully two or three, platforms. If this is not a demonstrable win,
> then let's not do it.
Sure, whatever. I'll test it on the platforms I have access
to and get SPEC numbers for ppc, i686 and amd64. It could be
a few days before I have all the results.