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Computers and Technology, 15.10.2020 14:01 meli82

Compare the memory efficiency of four different styles of instruction sets. The architecture styles are the following: Accumulator: All operations use the accumulator register. Operands come from the accumulator and/or memory and the result of most operations is stored in the accumulator.
Memory-memory: All three operands of each instruction are in memory.
Stack: All operations occur on top of the stack. Only push and pop access memory, and all other instructions remove their operands from the stack and replace them with the result. The implementation uses a stack for the top two entries; accesses that use other stack positions are memory references.
Load-store: All operations occur in registers, and register-to-register instructions have three operands per instruction.

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