This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: 5% code size and compilation time regression at -Os in last 2 days
On Sun, Dec 05, 2004 at 07:59:43PM -0500, Andrew Pinski wrote:
>
> On Dec 2, 2004, at 5:28 PM, Richard Earnshaw wrote:
>
> >
> >Come on guys, what are you doing?
> >
> >Code size at -Os has regressed by a whopping 5% over the last 2 days:
> >
> >http://www.inf.u-szeged.hu/csibe/l-sbs.php?branchid=mainline&flags=-
> >Os&data
> >view=Timeline&finish_button=Finish
>
>
> But looking at todays results it looks like back to normal, I think
> this is not
> really a gcc bug but a linker one. The only thing which went in
> yesterday which
> could have even caused this was a patch which broke adding hidden
> symbols into
> libgcc but I fixed that today. So if tomorrow's results will show that
> we
> regressed again but this would mean the linker is not doing its job.
>
> So in conclusion, this is not a gcc regression at all.
CSiBE measures object file size, not linked size.
--
Daniel Jacobowitz