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16 lines
784 B
Markdown
16 lines
784 B
Markdown
3 years ago
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title: "POWER Instruction Set Architecture 3.0"
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date: 2021-08-30
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draft: false
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---
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The Power Instruction Set Architecture (ISA) Version 3.0 is a specification that describes the architecture used for the IBM POWER9 processor.
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It defines the instructions the processors execute.
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It is comprised of three books and a set of appendices.
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- Book I
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- Power ISA User Instruction Set Architecture, covers the base instruction set and related facilities available to the application programmer.
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- Book II
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- Power ISA Virtual Environment Architecture, defines the storage model and related instructions and facilities available to the application programmer.
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- Book III
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- Power ISA Operating Environment Architecture, defines the supervisor instructions and related facilities.
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