linux-kernel - Re: BUG: GCC-4.4.x changes the function frame on some functions

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Date:	Thu, 19 Nov 2009 18:37:11 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Richard Guenther <richard.guenther@...il.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	feng.tang@...el.com, "Fr??d??ric Weisbecker" <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>, jakub@...hat.com,
	gcc@....gnu.org
Subject: Re: BUG: GCC-4.4.x changes the function frame on some functions

Richard Guenther <richard.guenther@...il.com> writes:
>
> It's likely because you have long long vars on the stack which is
> faster when they are aligned.

It's not faster for 32bit.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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