linux-kernel - Re: [PATCH 2/2] x86/entry/64: use xorl for register clearing

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Message-ID: <20180214182112.GA29859@avx2>
Date:   Wed, 14 Feb 2018 21:21:12 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     linux@...inikbrodowski.net
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] x86/entry/64: use xorl for register clearing

> -	xorq    %r8, %r8	/* nospec   r8 */
> +	xorl	%r8d, %r8d	/* nospec   r8 */

The suffix should be simply dropped as operand size is unambigious.
It is just one more character than necessary on the screen.