Re: [PATCH 1/2] x86, crypto, Generate .byte code for some new instructionsvia gas macro

From: H. Peter Anvin
Date: Thu Nov 05 2009 - 11:59:13 EST

On 11/05/2009 06:23 AM, Herbert Xu wrote:
> On Thu, Nov 05, 2009 at 02:44:15PM +0800, Huang Ying wrote:
>> It will take some time for binutils (gas) to support some newly added
>> instructions, such as SSE4.1 instructions or the AES-NI instructions
>> found in upcoming Intel CPU.
>> To make the source code can be compiled by old binutils, .byte code is
>> used instead of the assembly instruction. But the readability and
>> flexibility of raw .byte code is not good.
>> This patch solves the issue of raw .byte code via generating it via
>> assembly instruction like gas macro. The syntax is as close as
>> possible to real assembly instruction.
>> Some helper macros such as MODRM is not a full feature
>> implementation. It can be extended when necessary.
>> Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
> Once Ingo acks this I'll throw it into cryptodev.

I'm not Ingo, but:

Acked-by: H. Peter Anvin <hpa@xxxxxxxxx>

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

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at