linux-kernel - Re: [patch 04/14] ia64: Remove the __SMALL_ADDR

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Message-ID: <jeabozs7ou.fsf@sykes.suse.de>
Date:	Tue, 27 Nov 2007 22:24:33 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org, tony.luck@...el.com
Subject: Re: [patch 04/14] ia64: Remove the __SMALL_ADDR_AREA attribute for per cpu access

Christoph Lameter <clameter@....com> writes:

> On Tue, 27 Nov 2007, Andreas Schwab wrote:
>
>> Christoph Lameter <clameter@....com> writes:
>> 
>> > The model(small) attribute is not supported by gcc 4.X.
>> 
>> Which gcc 4.X are you talking about?
>
> All. Last gcc that supported this was 3.4.

Strange.  Works fine here.

$ arch/ia64/scripts/toolchain-flags gcc objdump readelf
-DHAVE_WORKING_TEXT_ALIGN -DHAVE_MODEL_SMALL_ATTRIBUTE -DHAVE_SERIALIZE_DIRECTIVE
$ gcc --version | head -n 1
gcc (GCC) 4.2.1 (SUSE Linux)
$ grep ia64_handle_model_attribute config/ia64/*.c
config/ia64/ia64.c:static tree ia64_handle_model_attribute (tree *, tree, tree, int, bool *);
config/ia64/ia64.c:  { "model",	       1, 1, true, false, false, ia64_handle_model_attribute },
config/ia64/ia64.c:ia64_handle_model_attribute (tree *node, tree name, tree args,
$ grep small_addr_symbolic_operand config/ia64/*.md
config/ia64/constraints.md:  (match_operand 0 "small_addr_symbolic_operand"))
config/ia64/predicates.md:(define_predicate "small_addr_symbolic_operand" 

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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