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A comment on Why xor eax, eax?. Parent comment

Re:Why xor eax, eax? by umanwizard on Monday December 01, 2025 @01:18PM (#46110866)
I don't know either, but why wouldn't backwards compatibility apply to aarch64? It too is based on a pre-existing 32-bit architecture.
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Re:Why xor eax, eax? by Narishma on Tuesday December 02, 2025 @12:56AM (#46118076)
I don't think it's backwards compatible the same way x86-64 is.
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