[Bug tree-optimization/21982] GCC should combine adjacent stdio calls

[dnovillo at redhat dot com]

------- Additional Comments From dnovillo at redhat dot com  2005-06-10 14:35 -------
Subject: Re:  GCC should combine adjacent stdio calls

On Fri, Jun 10, 2005 at 02:28:36PM -0000, joseph at codesourcery dot com 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.
> 
No, the patch does not merge different builtins.  The whole idea
is to collapse multiple I/O calls of the same kind into one.

Whether this helps or not, I don't know.  It certainly is a
straightforward transformation.


Diego.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21982