Re: gcc-4.3 considers unaligned accesses on X86 as undefined

Alan Cox
2008-03-25T21:28:44Z

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