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Re: [PATCH] Improved target tuning in simplify-rtx.c
- From: Eric Christopher <echristo at redhat dot com>
- To: Roger Sayle <roger at eyesopen dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 14 Jun 2004 15:11:59 -0700
- Subject: Re: [PATCH] Improved target tuning in simplify-rtx.c
- References: <Pine.LNX.4.44.0406141544280.12464-100000@www.eyesopen.com>
> One nice feature of using "rtx_cost" is that it still allows us to prefer
> the single instruction x<<2 when optimizing for size with -Os.
Right. We need to look at putting this into combine as well. We need to
check costs everywhere possible so that we're not just guessing :)
-eric
--
Eric Christopher <echristo@redhat.com>