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RE: Regression [v850,mep...]: sign_extend in loop breaks zero-overhead loop generation
- From: Paulo Matos <pmatos at broadcom dot com>
- To: Jeff Law <law at redhat dot com>, Andreas Schwab <schwab at linux-m68k dot org>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Fri, 31 Jan 2014 09:36:47 +0000
- Subject: RE: Regression [v850,mep...]: sign_extend in loop breaks zero-overhead loop generation
- Authentication-results: sourceware.org; auth=none
- References: <19EB96622A777C4AB91610E763265F463F2F43 at SJEXCHMB14 dot corp dot ad dot broadcom dot com> <87bnytk0fs dot fsf at igel dot home> <19EB96622A777C4AB91610E763265F463F3030 at SJEXCHMB14 dot corp dot ad dot broadcom dot com> <871tzpjycb dot fsf at igel dot home> <19EB96622A777C4AB91610E763265F463F30B5 at SJEXCHMB14 dot corp dot ad dot broadcom dot com> <52EA74A8 dot 4060303 at redhat dot com>
> -----Original Message-----
> From: Jeff Law [mailto:law@redhat.com]
> Sent: 30 January 2014 15:50
> To: Paulo Matos; Andreas Schwab
> Cc: gcc@gcc.gnu.org
> Subject: Re: Regression [v850,mep...]: sign_extend in loop breaks zero-overhead
> loop generation
>
> >
> > OK, of course. Don't know what I am doing today.
> > It's undefined because 'i' might overflow... I will get back to this. Thanks
> for pointing this out.
> When you've got it sorted out, go ahead and file a BZ, include the
> regression markers so that it shows up in the searches most of us are
> paying the most attention to right now.
>
> jeff
Sure. I opened it as
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59999
Paulo Matos