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Re: hard register reload patch
- To: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Subject: Re: hard register reload patch
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 15 Dec 1999 00:08:32 -0700
- cc: gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <199912142059.UAA18235@phal.cygnus.co.uk>you write:
> > I would like to see at least one timing test. I think we agree that this
> > *should* be an improvement, but we've been surprised before. I'm not loo
> king
> > for an extensive performance analysis, just a little confirmation that we
> 're
> > heading in the right direction.
>
> I have tested compiling an i686-x-sh-elf combine.i with an i686-x-sh-elf
> cc1, with and without my patch. global-alloc seems to get about 4% faster.
Thanks. That's comparable to the results I saw with x86 native. I just
approved the updated patch you sent.
jeff