Re: xor as a lazy comparison

[Bill Davidsen]

Lee Revell wrote:
> On Mon, 2005-07-25 at 13:55 -0400, Steven Rostedt wrote: 
>
> > Doesn't matter. The cycles saved for old compilers is not rational to
> > have obfuscated code.
>
>
> Where do we draw the line with this?  Is x *= 2 preferable to x <<= 2 as
> well?

In addition to the obvious error, let's not use x += x as well. If you 
want to multiple by two, do it.

Wasn't there a CPU where multiple was faster than add? Doesn't matter, 
let the compiler make the optimizations so you don't have to.

--
   -bill davidsen (davidsen@xxxxxxx)
"The secret to procrastination is to put things off until the
 last possible moment - but no longer"  -me
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