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

From: Alexey Dobriyan
Date: Wed Feb 14 2018 - 13:21:34 EST


> - 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.