This is the mail archive of the
mailing list for the GCC project.
Re: [patch, fortran-dev] Use fixed variable sizes for stride calculations
- From: Janne Blomqvist <blomqvist dot janne at gmail dot com>
- To: Thomas Koenig <tkoenig at netcologne dot de>
- Cc: "fortran at gcc dot gnu dot org" <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 13 Apr 2012 20:32:23 +0300
- Subject: Re: [patch, fortran-dev] Use fixed variable sizes for stride calculations
- References: <4F6DD691.email@example.com> <4F8537F2.firstname.lastname@example.org>
On Wed, Apr 11, 2012 at 10:51, Thomas Koenig <email@example.com> wrote:
>> this patch uses division by known sizes (which can usually be replaced
>> by a simple shift because intrinsics have sizes of power of two) instead
>> of division by the size extracted from the array descriptor itself.
>> This should save about 20 cycles for a single calculation.
>> I'll go through the rest of the library to identify other possibilities
>> for this.
>> Regression-tested, no new failures.
>> OK for the branch?
> Full patch at http://gcc.gnu.org/ml/fortran/2012-03/msg00120.html
> Â Â Â ÂThomas
I thought I already approved this a few weeks ago
(http://gcc.gnu.org/ml/fortran/2012-03/msg00144.html)? Or if it has
been decided that I'm no longer a GFortran reviewer, it would be nice
if I'd be informed of this as well.