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Re: PATCH: optimize_size & built_in functions
- To: John Carr <jfc at mit dot edu>
- Subject: Re: PATCH: optimize_size & built_in functions
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 13 May 1998 17:52:37 -0600
- cc: Marc Lehmann <pcg at goof dot com>, egcs at cygnus dot com
- Reply-To: law at cygnus dot com
In message <199805132114.RAA22935@contents-vnder-pressvre.MIT.EDU>you write:
>
> ffs can be small. memset and memcpy are likely to be small if the
> size argument is a small power of 2 (or on RS/6000, if the size
> argument is any small constant).
Exactly. I'd prefer to see us throttle how many instructions we're
willing to generate for the builtins before we punt to the libcall.
jeff