In computer engineering, a load–store architecture (or a register–register architecture) is an instruction set architecture that divides instructions into two categories: memory access (load and store between memory and registers) and ALU operations (which only occur between registers).[1]: 9–12
Some RISC architectures such as PowerPC, SPARC, RISC-V, ARM, and MIPS are load–store architectures.[1]: 9–12
For instance, in a load–store approach both operands and destination for an ADD operation must be in registers. This differs from a register–memory architecture (for example, a CISC instruction set architecture such as x86) in which one of the operands for the ADD operation may be in memory, while the other is in a register.[1]: 9–12
The earliest example of a load–store architecture was the CDC 6600.[1]: 54–56 Almost all vector processors (including many GPUs[2][better source needed]) use the load–store approach.[3]
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Lecture 15. Load/Store Handling and Data Flow - CMU - Computer Architecture 2014 - Onur Mutlu
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Designing an Efficient MIPS III Load Store Unit
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Lecture 15. Load/Store Handling and Data Flow - CMU - Computer Architecture 2014 - Onur Mutlu
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See also
References
- ^ a b c d Michael J. Flynn (1995). Computer architecture: pipelined and parallel processor design. ISBN 0867202041.
- ^ "AMD GCN reference" (PDF).
- ^ Harvey G. Cragon (1996). Memory systems and pipelined processors. pp. 512–513. ISBN 0867204745.
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This page was last edited on 13 August 2023, at 21:52