This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Some thoughts about steerring commitee work

From: Tim Prince <n8tm at aol dot com>
To: hjl at lucon dot org
Cc: Dorit Nuzman <DORIT at il dot ibm dot com>, Eric Botcazou <ebotcazou at libertysurf dot fr>, gcc at gcc dot gnu dot org, Ian Lance Taylor <iant at google dot com>, "Vladimir N. Makarov" <vmakarov at redhat dot com>
Date: Sat, 16 Jun 2007 18:15:56 -0700
Subject: Re: Some thoughts about steerring commitee work
References: <20070616132539.GC16191@lucon.org> <OF5111372E.A46C98BA-ONC22572FC.00572E56-C22572FC.00576961@il.ibm.com> <20070617000608.GB5611@lucon.org>
Reply-to: tprince at computer dot org

hjl@lucon.org wrote:

On Sat, Jun 16, 2007 at 06:54:46PM +0300, Dorit Nuzman wrote:
There are quite a few known simple cases which vectorizer fails to
vectorize.
by "known" you mean there are open missed-optimization PRs for them? (if
Yes, that is what I meant.

I'd be happy to file some PRs along this line, if there is interest. C or C++, if there's more interest in that than in Fortran. But, gfortran fails to vectorize more than 50% of the stuff I run into every day, including most everything which involves distinct sections of the same array or COMMON block.

Follow-Ups:
- Re: Some thoughts about steerring commitee work
  - From: Dorit Nuzman

References:
- Re: Some thoughts about steerring commitee work
  - From: H. J. Lu
- Re: Some thoughts about steerring commitee work
  - From: Dorit Nuzman
- Re: Some thoughts about steerring commitee work
  - From: H. J. Lu

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]