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A comment on XOR'ing a register with itself is the idiom for zeroing it out. Why not sub?. Parent comment

Re:XOR'ing a register with itself is the idiom for zeroing i... by Findecanor on Wednesday April 22, 2026 @12:00PM (#47865524)
On 64-bit ARM, the same register number is XZR in some instructions and the stack pointer in others.
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