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Do you consider binary code patterns that do exactly the same thing except for using different register(s) to be the same or different instructions? For exampl
by brucehoult 2y ago
Do you consider binary code patterns that do exactly the same thing except for using different register(s) to be the same or different instructions?
For example, on RISC-V `sub Rd,Rs1,Rs2` has no immediate data or addresses but can have 32768 different results on the machine state (less the 1024 with Rd = x0, and I guess the same number with Rs1 = Rs2)