Re: [PATCH] x86: Use __builtin_memset and __builtin_memcpy for memset/memcpy

[H. Peter Anvin]

On 09/29/2009 05:44 AM, Arnd Bergmann wrote:
> 
> The patch looks good, but is there a reason to keep it architecture
> specific? I would guess that the same logic applies to all architectures
> with gcc-4.x and could be put into include/linux/compiler-gcc4.h.
> 

Each architecture has its own implementation, and in some cases gcc will
even generate code which is illegal in the kernel.  It really needs to
be enabled by each architecture.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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