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Re: [patch] 2 patches for PR tree-optimization/34648

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: dberlin at dberlin dot org
Cc: amacleod at redhat dot com, bonzini at gnu dot org, ebotcazou at libertysurf dot fr, gcc-patches at gcc dot gnu dot org, rguenther at suse dot de
Date: Fri, 18 Jan 2008 21:22:46 EST
Subject: Re: [patch] 2 patches for PR tree-optimization/34648
References: <478F6288.1010009@redhat.com> <4aca3dc20801171106p3c05b0a8q5c03c13e8f468e75@mail.gmail.com> <478FB366.7010000@gnu.org> <479042C8.9090705@gnu.org> <ED7133C6-A9A6-4147-9CF7-AC290121985C@apple.com> <10801181159.AA06814@vlsi1.ultra.nyu.edu> <47909686.6060100@gnu.org> <10801181215.AA07737@vlsi1.ultra.nyu.edu> <4790B31D.9000302@gnu.org> <10801181423.AA08799@vlsi1.ultra.nyu.edu> <4aca3dc20801180832m70f9af32gf95a8fdf2868e835@mail.gmail.com>

> Right now we try to carry some idea of pure/const into the middle-end
> (through DECL_PURE/etc), and nobody is ever really truly sure what
> pure/const actually mean (we seem to have a thread every 5-6 months
> about it).  We should just transform it into a bitmask of separate
> attributes.

I strongly support that, for the reasons you give.

References:
- [patch] 2 patches for PR tree-optimization/34648
  - From: Andrew MacLeod
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Daniel Berlin
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Paolo Bonzini
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Paolo Bonzini
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Chris Lattner
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Richard Kenner
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Paolo Bonzini
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Richard Kenner
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Paolo Bonzini
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Richard Kenner
- Re: [patch] 2 patches for PR tree-optimization/34648
  - From: Daniel Berlin

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