linux-kernel - Re: [PATCH 09/10] Change table chaining layout

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Message-ID: <Pine.LNX.4.64.0710230907370.7105@anakin>
Date:	Tue, 23 Oct 2007 09:18:42 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jens Axboe <jens.axboe@...cle.com>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	mingo@...e.hu, Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: [PATCH 09/10] Change table chaining layout

On Mon, 22 Oct 2007, Linus Torvalds wrote:
> On Mon, 22 Oct 2007, Alan Cox wrote:
> > For structures, not array elements or stack objects. Does gcc now get
> > aligned correct as an attribute on a stack object ?
> 
> I think m68k stack layout still guarantees 4-byte-alignment, no?

The stack pointer must be even (i.e. 2 byte-alignment).
But it looks like current gcc always allocates multiples of 4 bytes on
the stack, probably for performance reasons.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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