Mihai Parparita e9bc8926ab Avoid some undefined behavior ... The `SubOpcode31Grabber[1024] = { ppc_illegalop }` initializer only populates the first entry with ppc_illegalop (at least on some compilers), switch to explicitly initializing the entire array with std::fill_n. Also fix a couple of sign and overflow issues flagged by the Xcode undefined behavior sanitizer.		2023-12-07 23:59:49 -08:00
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ppc	Avoid some undefined behavior	2023-12-07 23:59:49 -08:00