This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: TYPE_BINFO and canonical types at LTO

From: Jason Merrill <jason at redhat dot com>
To: Richard Biener <rguenther at suse dot de>, Jan Hubicka <hubicka at ucw dot cz>
Cc: gcc at gcc dot gnu dot org
Date: Thu, 20 Feb 2014 15:48:52 -0500
Subject: Re: TYPE_BINFO and canonical types at LTO
Authentication-results: sourceware.org; auth=none
References: <20140214004827 dot GA30858 at kam dot mff dot cuni dot cz> <alpine dot LSU dot 2 dot 11 dot 1402140937310 dot 1593 at zhemvz dot fhfr dot qr> <20140214165219 dot GA3380 at kam dot mff dot cuni dot cz> <20140214232252 dot GA14384 at kam dot mff dot cuni dot cz> <alpine dot LSU dot 2 dot 11 dot 1402151106530 dot 1593 at zhemvz dot fhfr dot qr>

On 02/15/2014 05:09 AM, Richard Biener wrote:

On Sat, 15 Feb 2014, Jan Hubicka wrote:

The code really seems to be adding only cases of zero sized classes.


zero-size as in with no fields?  Then we can't do anything with such
classes and thus we don't need to record component aliases?

Right. The TYPE_SIZE of an empty class is still 1, but a base of such atype doesn't get a FIELD_DECL.


Jason

References:
- TYPE_BINFO and canonical types at LTO
  - From: Jan Hubicka
- Re: TYPE_BINFO and canonical types at LTO
  - From: Richard Biener
- Re: TYPE_BINFO and canonical types at LTO
  - From: Jan Hubicka
- Re: TYPE_BINFO and canonical types at LTO
  - From: Jan Hubicka
- Re: TYPE_BINFO and canonical types at LTO
  - From: Richard Biener

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]