Re: [PATCH] speedup find_reg_note

[Andrew Pinski <pinskia at physics dot uc dot edu>]

On Mar 30, 2004, at 03:15, Zack Weinberg wrote:

> Andrew Pinski <pinskia@physics.uc.edu> writes:
>
> > I noticed for some reason the loop in find_reg_note
> > was not being unswitch so I decided to manually unswitch
> > the loop so this patch does that.
> >
> > Bootstrapped and tested on powerpc-apple-darwin with no regression.
> >
> > OK?
>
> Not with no evidence - please post code size and performance
> measurements.

Size differences between 124 to 92 bytes (note this is without 
stripping).
Speed is about .1% (PR8361 at -O3 from 57.19 to 57.11), this is with 
checking
turned on still.


Thanks,
Andrew Pinski