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HandWiki. IBM POWER Instruction Set Architecture. Encyclopedia. Available online: https://encyclopedia.pub/entry/30183 (accessed on 23 October 2026).
HandWiki. IBM POWER Instruction Set Architecture. Encyclopedia. Available at: https://encyclopedia.pub/entry/30183. Accessed October 23, 2026.
HandWiki. "IBM POWER Instruction Set Architecture" Encyclopedia, https://encyclopedia.pub/entry/30183 (accessed October 23, 2026).
HandWiki. (2022, October 19). IBM POWER Instruction Set Architecture. In Encyclopedia. https://encyclopedia.pub/entry/30183
HandWiki. "IBM POWER Instruction Set Architecture." Encyclopedia. Web. 19 October, 2022.

IBM POWER Instruction Set Architecture

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The content is sourced from: https://handwiki.org/wiki/IBM_POWER_instruction_set_architecture

The IBM POWER ISA is a reduced instruction set computer (RISC) instruction set architecture (ISA) developed by IBM. The name is an acronym for Performance Optimization With Enhanced RISC. The ISA is used as base for high end microprocessors from IBM during the 1990s and were used in many of IBM's servers, minicomputers, workstations, and supercomputers. These processors are called POWER1 (RIOS-1, RIOS.9, RSC, RAD6000) and POWER2 (POWER2, POWER2+ and P2SC). The ISA evolved into the PowerPC instruction set architecture and was deprecated in 1998 when IBM introduced the POWER3 processor that was mainly a 32/64-bit PowerPC processor but included the POWER ISA for backwards compatibility. The original POWER ISA was then abandoned. PowerPC evolved into the third Power ISA in 2006. IBM continues to develop PowerPC microprocessor cores for use in their application-specific integrated circuit (ASIC) offerings. Many high volume applications embed PowerPC cores.

integrated circuit rios.9 risc

References

  1. Cocke, J.; Markstein, V. (January 1990). "The evolution of RISC technology at IBM". IBM Journal of Research and Development 34 (1): 4–11. doi:10.1147/rd.341.0004. http://signallake.com/innovation/EvolutionRISCIBMJan90.pdf. 
  2. John Paul Shen; Mikko H. Lipasti (July 30, 2013). Modern Processor Design: Fundamentals of Superscalar Processors. Waveland Press. p. 380. ISBN 9781478610762. https://books.google.com/books?id=ffQqAAAAQBAJ&pg=PA380. 
  3. G. F. Grohoski (January 1990). "Machine organization of the IBM RISC System/6000 processor". IBM Journal of Research and Development 34 (1): 37–58. doi:10.1147/rd.341.0037.  https://dx.doi.org/10.1147%2Frd.341.0037
  4. Book I: PowerPC User Instruction Set Architecture http://www.ibm.com/developerworks/eserver/library/es-archguide-v2.html
  5. PowerPC Architecture Book, Version 2.02 http://www.ibm.com/developerworks/eserver/library/es-archguide-v2.html
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