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Re: [Bug c/16452] [3.5 regression] Register name lost whencompiling with -O2

From: Richard Earnshaw <rearnsha at gcc dot gnu dot org>
To: gcc-bugzilla at gcc dot gnu dot org
Cc: gcc-bugs at gcc dot gnu dot org
Date: Mon, 12 Jul 2004 15:25:55 +0100
Subject: Re: [Bug c/16452] [3.5 regression] Register name lost whencompiling with -O2
Organization: GNU
References: <20040709142319.16452.reichelt@gcc.gnu.org> <20040712135858.19609.qmail@sourceware.org>

On Mon, 2004-07-12 at 14:58, matz at suse dot de wrote:
> ------- Additional Comments From matz at suse dot de  2004-07-12 13:58 -------
> Will this catch everything?  I.e. are there other "attributes" of a 
> declaration which are stored in the DECL which also could be removed now 
> but needed later? 

I don't know.  I'm not even 100% certain this is the correct fix.  It
certainly seems wrong that we should clobber the DECL_RTL in this case,
but the front end isn't really my area of expertise.

R.

References:
- [Bug c/16452] New: [3.5 regression] Register name lost when compiling with -O2
  - From: reichelt at gcc dot gnu dot org
- [Bug c/16452] [3.5 regression] Register name lost when compiling with -O2
  - From: matz at suse dot de

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