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Negation of 0 is -0, but currently BC_UNM produces 0. This is because 0 is stored as an integer (LJ_TISNUM) and handled using LOAD COMPLEMENT instruction, which operates on integers and thus has no concept of -0. Fix by special-casing 0, like it's already done in the other JITs.
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Negation of 0 is -0, but currently BC_UNM produces 0. This is because 0 is stored as an integer (LJ_TISNUM) and handled using LOAD COMPLEMENT instruction, which operates on integers and thus has no concept of -0.
Fix by special-casing 0, like it's already done in the other JITs.