linux-kernel - Re: [BUGFIX] Fix AES-NI CTR optimization compiling failure with gas 2.16.1

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Message-ID: <20100313082906.GA24675@gondor.apana.org.au>
Date:	Sat, 13 Mar 2010 16:29:06 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Huang Ying <ying.huang@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [BUGFIX] Fix AES-NI CTR optimization compiling failure with
	gas 2.16.1

On Fri, Mar 12, 2010 at 03:01:47PM +0800, Huang Ying wrote:
> Andrew Morton reported that AES-NI CTR optimization failed to compile
> with gas 2.16.1, the error message is as follow:
> 
> arch/x86/crypto/aesni-intel_asm.S: Assembler messages:
> arch/x86/crypto/aesni-intel_asm.S:752: Error: suffix or operands invalid for `movq'
> arch/x86/crypto/aesni-intel_asm.S:753: Error: suffix or operands invalid for `movq'
> 
> To fix this, a gas macro is defined to assemble movq with 64bit
> general purpose registers and XMM registers. The macro will generate
> the raw .byte sequence for needed instructions.
> 
> Reported-by: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Huang Ying <ying.huang@...el.com>

Patch applied.  Thanks a lot!
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