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[Bug tree-optimization/21982] GCC should combine adjacent stdio calls
- From: "ghazi at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jun 2005 15:05:42 -0000
- Subject: [Bug tree-optimization/21982] GCC should combine adjacent stdio calls
- References: <20050609125653.21982.ghazi@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From ghazi at gcc dot gnu dot org 2005-06-10 15:05 -------
(In reply to comment #33)
> Subject: Re: GCC should combine adjacent stdio
> calls
> On Fri, 10 Jun 2005, ghazi at gcc dot gnu dot org wrote:
> Since putc and puts are typically faster than printf (not needing to parse
> the input) and we optimize printf of constants into them, it's not clear
> that merging printf with such functions would be an improvement either.
You're probably right that it's not a speed win, but it may be a code size win
for -Os. I'd like to benchmark that too if possible.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21982