XOR'ing a register with itself is the idiom for zeroing it out. Why not sub?
Fewer than 3 in 10 register for HMRC's Making Tax Digital shake-up
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SIMD within a register: How I doubled hash table lookup performance
Mike Mageek is dead
Apple stops warning of 'state-sponsored' attacks, now alerts about 'mercenary spyware' | Report claims India's government, which is accused of using Pegasus at home, was displeased - The Register
