Small slowdown...
Jamie Lokier
egcs@tantalophile.demon.co.uk
Tue Mar 30 01:12:00 GMT 1999
> > 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
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