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Re: Small slowdown...

>   > Output from the gcc2.7.2 is:
>   > .L11:
>   > 	addl %ecx,%eax
>   > 	leal (%eax,%eax),%ecx
>   > 	decl %edx
>   > 	jns .L11

Jeffrey A Law wrote:
> I just checked this with the current snapshot and the loop looks like
>  this now:
> 
> .L6:
>         addl %edx,%eax
>         leal 0(,%eax,2),%edx
>         decl %ecx
>         jns .L6

There is still room for improvement.

 leal (%eax,%eax),%ecx is 3 bytes long, whereas
 leal 0(,%eax,2) is 5 bytes long

Have nice day,
-- Jamie