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Re: Fold constant shifts in combine
- From: Neil Booth <neil at daikokuya dot co dot uk>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org, rth at redhat dot com
- Date: Wed, 19 Feb 2003 20:42:33 +0000
- Subject: Re: Fold constant shifts in combine
- References: <20030219175819.GF11112@kam.mff.cuni.cz>
Jan Hubicka wrote:-
> Most of the shifts exceeding argument type are already simplified by the
> generic code, but in some cases it does not match.
Isn't it better to fix wherever they're falling through or being
generated? Otherwise, if they are eventually fixed, we have stale code
that no-one really knows if it does anything useful.
Neil.