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RE: Could we use VIEW_CONVERT_EXPR to build ADDR_EXPR ?

From: "Fang, Changpeng" <Changpeng dot Fang at amd dot com>
To: Andrew Pinski <pinskia at gmail dot com>
Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, "rguenther at suse dot de" <rguenther at suse dot de>, Zdenek Dvorak <rakdver at kam dot mff dot cuni dot cz>
Date: Fri, 20 Aug 2010 02:14:59 -0500
Subject: RE: Could we use VIEW_CONVERT_EXPR to build ADDR_EXPR ?
References: <D4C76825A6780047854A11E93CDE84D05B04FB41@SAUSEXMBP01.amd.com>,<AANLkTikw_4SUsz22c6tbo023C-xYQfDufW_AQgkZu6vF@mail.gmail.com>


________________________________________

>No you should not generate addresses for VCEs that contain a SSA_NAME.
> I think you should check if get_base_address is a
>is_gimple_addressable inside gather_memory_references_ref.

There, TREE_CODE ( get_base_address (ref)) == SSA_NAME
 
and get_base_address (ref) is is_gimple_addressable.

However, address expression containing SSA_NAME is NOT considered
as a gimple address.

Thanks,

Changpeng

Follow-Ups:
- RE: Could we use VIEW_CONVERT_EXPR to build ADDR_EXPR ?
  - From: Richard Guenther

References:
- Could we use VIEW_CONVERT_EXPR to build ADDR_EXPR ?
  - From: Fang, Changpeng
- Re: Could we use VIEW_CONVERT_EXPR to build ADDR_EXPR ?
  - From: Andrew Pinski

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