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by wiml
1332 days ago
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I don't know about Java or Go, but any time I've looked at a C compiler's output it's emitted pretty good assembly for "if (a>b) return 1; else if (a<b) return -1; else return 0;" kinds of input when optimization is on. As long as the type being compared is something the compiler can reason about (and/or has a peephole optimization for I guess). |
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