Date: Tue, 25 Mar 2008 21:11:02 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: =?UTF-8?B?VMO2csO2aw==?= Edwin <edwintorok@gmail.com>
Cc: "Thomas Gleixner mingo@redhat.com" <tglx@linutronix.de>,
       "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: gcc-4.3 considers unaligned accesses on X86 as undefined
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References: <47E965BD.7010604@gmail.com>
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On Tue, 25 Mar 2008 22:51:09 +0200
Török Edwin <edwintorok@gmail.com> wrote:

> Hello x86 architecture maintainers,
> 
> GCC-4.3 now considers that it is undefined behaviour to access memory
> through an int*  that is not aligned to sizeof(int).
> At -O3 it generates vectorized code 

FPU/MMX/SSE are not available or usable for the kernel anyway fortunately
in this case.

Alan
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