Subject: Re: printf() using floating point ...
To: Andrew Cagney <>
From: J.T. Conklin <>
List: tech-kern
Date: 06/14/1995 11:06:23
> In the case of NetBSD, the ```printf()''' function contains floating
> point code which (for one architecture at least) results in the
> compiler generating instructions to save floating point registers on
> function entry (and thus gain the FP state) even if the fp code
> proper is actually never reached. 

I'm tempted to say "over my dead body".  vfprintf() is a complicated
piece of code, and I'd hate to see it become even more complicated
without hard numbers on what difference it makes (run on a variety
of processors, of course).