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brucehoult
on April 22, 2022
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The x86 architecture is the weirdo, part 2
Modern x86 and ARM both rely on fusing a compare instruction with a following conditional branch.
That's not in the spec. It's just something high end implementations do, and low end ones don't.
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That's not in the spec. It's just something high end implementations do, and low end ones don't.