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Re: [Patch, fortran] First steps to array descriptor reform

From: Thomas Koenig <tkoenig at netcologne dot de>
To: Paul Richard Thomas <paul dot richard dot thomas at gmail dot com>
Cc: Tobias Burnus <burnus at net-b dot de>, fortran at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Thu, 11 Jun 2009 15:46:20 +0200
Subject: Re: [Patch, fortran] First steps to array descriptor reform
References: <20090608101918.GA8290@net-b.de> <339c37f20906080533h45a3a8afve97486bf15fd7a4e@mail.gmail.com> <1244567595.2831.0.camel@meiner.onlinehome.de> <339c37f20906110454q240651e6v3610b487428576bb@mail.gmail.com>

Hi Paul,

> If the offset is changed from words to bytes, we will need to
> have a GFC_OFFSET_SET..... unless, the offsets are not calculated but
> are always copied from one descriptor to another.  Do you happen to
> know what the situation is in the library?

Arrays returned by the library are usually zero-based, so the offsets
are set to zero in almost every case.  The only exceptions are
move_alloc.c (where we copy the offset) and iso_c_binding.c (where we
calculate the offset ourselves).

	Thomas

References:
- Re: [Patch, fortran] First steps to array descriptor reform
  - From: Tobias Burnus
- Re: [Patch, fortran] First steps to array descriptor reform
  - From: Paul Richard Thomas
- Re: [Patch, fortran] First steps to array descriptor reform
  - From: Thomas Koenig
- Re: [Patch, fortran] First steps to array descriptor reform
  - From: Paul Richard Thomas

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