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Re: Mark variables addressable if they are copied using libcall in RTL expander

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Richard Guenther <richard dot guenther at gmail dot com>
Cc: Easwaran Raman <eraman at google dot com>, gcc-patches at gcc dot gnu dot org
Date: Wed, 22 Jun 2011 15:08:21 +0200
Subject: Re: Mark variables addressable if they are copied using libcall in RTL expander
References: <BANLkTi=gb-G47LAP8uQkiXqLz=dJE047Oy6-N3F8Dfef_NU=6Q@mail.gmail.com> <BANLkTim2g4XqUMuM8YYrWjsjucwnuUbNqA@mail.gmail.com>

> I fear this isn't enough considering pass-by-value aggregates that
> are callee copied.  And I guess there are other cases.  Eric, what
> do you suggest here?

I agree that there are probably other cases, but this seems to be the best way 
out for now.  There is still similar code in the expander for asm operands 
(dominated by the same code in the gimplifier) so calling mark_addressable 
this late is presumably acceptable.

-- 
Eric Botcazou

Follow-Ups:
- Re: Mark variables addressable if they are copied using libcall in RTL expander
  - From: Jakub Jelinek

References:
- Mark variables addressable if they are copied using libcall in RTL expander
  - From: Easwaran Raman
- Re: Mark variables addressable if they are copied using libcall in RTL expander
  - From: Richard Guenther

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