On Monday, 11 April 2016 at 05:45:17 UTC, Ali Çehreli wrote:
On 04/10/2016 04:00 AM, darat wrote:
Is there a particular reason explaining why mov reg,0 is used
and not
xor reg,reg ?
https://www.google.com/search?q=mov+0+versus+xor+cycles&ie=utf-8&oe=utf-8#q=mov+0+versus+xor+cpu+cycle
Ali
I've read them all before posting here. Nothing answers the
question. The only clue is maybe that xor modifies the EFLAG
register, but since inline asm is not inlined (there's always a
CALL) I'm not 100% sure this is relevant.
