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34 lines
1.0 KiB
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34 lines
1.0 KiB
Markdown
---
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title: "Instruction Set Architecture"
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group: isa
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publicreview: false
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aliases:
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- "powerisa/"
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- "power31/"
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- "powerisa31/"
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- "power30/"
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- "powerisa30/"
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- "power207/"
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- "powerisa207/"
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tags:
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- instructionsetarchitecture
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- isa
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- powerisa
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- cores
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- power8
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- power9
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- power10
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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 is a specification that describes the architecture used for the IBM POWER 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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