Messages in this thread | | | Date | Thu, 4 Aug 2022 17:53:27 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 1/1] x86: Change mov $0, %reg with xor %reg, %reg |
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On Thu, Aug 04, 2022 at 03:26:55PM +0000, Kanna Scarlet wrote: > Change mov $0, %reg with xor %reg, %reg because xor %reg, %reg is > smaller so it is good to save space
Bonus points if you find out what other advantage
XOR reg,reg
has when it comes to clearing integer registers.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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