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Re: [PATCH] Support official CLooG.org versions.

From: Paolo Bonzini <bonzini at gnu dot org>
To: Sven Verdoolaege <skimo at kotnet dot org>
Cc: Jack Howarth <howarth at bromo dot med dot uc dot edu>, "Joseph S. Myers" <joseph at codesourcery dot com>, Sebastian Pop <sebpop at gmail dot com>, Andreas Simbürger <simbuerg at googlemail dot com>, gcc-patches at gcc dot gnu dot org, gcc-graphite at googlegroups dot com
Date: Fri, 12 Nov 2010 09:59:45 +0100
Subject: Re: [PATCH] Support official CLooG.org versions.
References: <4CCC738A.405@gnu.org> <1289505716-9480-1-git-send-email-simbuerg@googlemail.com> <4CDC542E.2090807@gnu.org> <AANLkTikwHcM1BqsVOFzKbWfCe26Q4pmJe=20nJoadTtx@mail.gmail.com> <20101111234103.GA21682@bromo.med.uc.edu> <20101112015320.GA22316@bromo.med.uc.edu> <Pine.LNX.4.64.1011120224590.11679@digraph.polyomino.org.uk> <20101112040945.GA23026@bromo.med.uc.edu> <4CDCFA18.4040604@gnu.org> <20101112084306.GO4255MdfPADPa@purples>

On 11/12/2010 09:43 AM, Sven Verdoolaege wrote:

On Fri, Nov 12, 2010 at 09:26:00AM +0100, Paolo Bonzini wrote:

Also, if I understood correctly ISL and PPL are different ways to
"do the same thing", and they should cause no differences in code
generation.  I assumed this because the patch didn't require any
testsuite adjustment.  Is this the case?


Semantically, the results should be the same, but there may
be syntactic differences.  Perhaps no such syntactic differences
occur for the gcc testsuite.

What does "semantic" and "syntactic" mean? I suppose you mean that the produced code should be correct in any case (of course) but the GCC assembly language output may change? This is what we care about.

Paolo

References:
- [PATCH] Support official CLooG.org versions.
  - From: Andreas SimbÃrger
- Re: [PATCH] Support official CLooG.org versions.
  - From: Paolo Bonzini
- Re: [PATCH] Support official CLooG.org versions.
  - From: Sebastian Pop
- Re: [PATCH] Support official CLooG.org versions.
  - From: Jack Howarth
- Re: [PATCH] Support official CLooG.org versions.
  - From: Jack Howarth
- Re: [PATCH] Support official CLooG.org versions.
  - From: Joseph S. Myers
- Re: [PATCH] Support official CLooG.org versions.
  - From: Jack Howarth
- Re: [PATCH] Support official CLooG.org versions.
  - From: Paolo Bonzini

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