Page History

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Overview

• This page only tracks ratified extensions and features that are specified by groups (TGs, HCs) of RISC-V International.
• The extensions and features are grouped by their specification's state (published, ratified, frozen).
• Published (official) specifications can be found here: https://riscv.org/technical/specifications/
• The main repository of the ISA specifications is: https://github.com/riscv/riscv-isa-manual
• The following wiki page lists all recently ratified extensions, that are not merged into the ISA specification yet: Ratified Extensions
• The Specification Status lists The On Deck Dashboards lists the specifications that are frozen and or ready for ratification

Table description

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Unpublished ratified extensions

Extensions and features in the table below are either frozen or ready-for-ratificationratified, but not published in a consolidated RISC-V ISA specification document.

Specifications that are at least frozen

Extensions and features in the table below are either frozen or ready-for-ratification.

Specifications that are at least stable

Note, that this section only lists specifications that are planned to be released in the near future, but are not frozen yet.

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Gaps

• Vector Extension Intrinsics (specification exists, but not frozen)
• Vector Calling Convention (specification exists, but not frozen)
• Scalar Crypto Intrinsics