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Re: [PATCH/RFC] Start to use VIEW_CONVERT_EXPR more and start to fix PR 26069

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 04 Sep 2006 18:40:52 -0700
Subject: Re: [PATCH/RFC] Start to use VIEW_CONVERT_EXPR more and start to fix PR 26069
References: <1157415451.24185.114.camel@celery.andrew.com> <10609050120.AA28216@vlsi1.ultra.nyu.edu>

On Mon, 2006-09-04 at 21:20 -0400, Richard Kenner wrote:
> I agree that (2) is worthwhile since V_C_E on the LHS is peculiar.  However,
> I don't understand the reference to being marked addressable.  There's no
> reason to mark the operand of V_C_E as addressable.  In no way do we take
> a pointer that can be used elsewhere.  And the only time we're going to be
> forcing it into memory is in the BLKmode case, when it's already in memory.

Because that is a documented requirement in tree.def and also if it is
not marked as addressable, you get an ICE.

-- Pinski

Follow-Ups:
- Re: [PATCH/RFC] Start to use VIEW_CONVERT_EXPR more and start to fix PR 26069
  - From: Richard Kenner

References:
- [PATCH/RFC] Start to use VIEW_CONVERT_EXPR more and start to fix PR 26069
  - From: Andrew Pinski
- Re: [PATCH/RFC] Start to use VIEW_CONVERT_EXPR more and start to fix PR 26069
  - From: Richard Kenner

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