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Re: [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Richard Guenther <rguenther at suse dot de>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 12 Mar 2012 11:21:39 +0100
Subject: Re: [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere
References: <alpine.LNX.2.00.1203051416220.18230@zhemvz.fhfr.qr> <201203091001.39976.ebotcazou@adacore.com> <alpine.LNX.2.00.1203121016360.18230@zhemvz.fhfr.qr>

> Btw, I _think_ I want GET_MODE_BITSIZE here - we cannot allow
> GET_MODE_BITSIZE > GET_MODE_PRECISION as that would possibly
> access memory that is not allowed.  Thus, what GET_MODE_* would
> identify the access size used for a MEM of that mode?

I agree that GET_MODE_BITSIZE makes more sense than GET_MODE_PRECISION here.

-- 
Eric Botcazou

Follow-Ups:
- Re: [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere
  - From: Richard Guenther

References:
- [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere
  - From: Richard Guenther
- Re: [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere
  - From: Eric Botcazou
- Re: [PATCH] Fix PRs 52080, 52097 and 48124, rewrite bitfield expansion, enable the C++ memory model wrt bitfields everywhere
  - From: Richard Guenther

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