Re: [RISC-V tech-announce] Public Review for Zaamo and Zalrsc Standard Extensions

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Ved Shanbhogue

Mar 28, 2024, 8:43:50 AMMar 28
Greetings !

The review period for Zaamo and Zalrsc concluded on March 27.

During the review Anders Lindren asked [1] for a reference
to Zacas specification to be included and an update was made
to the bibliography section [3]. Anders noted that subextensions
create more combinations for tools/libraries and asked if there
are HW that provide Zalrsc. This was discussed in issue #11 [2].

We extend our thanks to all who contributed valuable insights
during the review.



On Mon, Feb 26, 2024 at 09:10:20AM -0600, Ved Shanbhogue via wrote:
>We are delighted to announce the commencement of the public review
>period for the Zaamo and Zalrsc Fast Track Extension specifications.
>The 30-day review period begins today, February 26, and concludes on
>March 27. These specifications establish official extension names for
>these two parts of the ratified "A" extension. These extensions fall under
>the Unprivileged Specification.
>The specification is available for download as a PDF here:
>This document originates from the source available in the GitHub
>To respond to the public review, please either email comments to the
>public RISC-V ISA-Dev mailing list at or add
>issues to the GitHub repo:
>Should you encounter any issues accessing the document or the GitHub
>links, please do not hesitate to contact us. We are eager to provide
>assistance or furnish the document in an alternative format upon request.
>We value all feedback and appreciate your contribution toward refining
>this specification.
>Throughout the public review period, we will collect corrections,
>comments, and suggestions for consideration by the Unprivileged ISA
>Committee. Minor corrections and/or non-controversial changes will be
>incorporated into the specification directly. Any unresolved issues or
>proposed modifications will be detailed in the public review summary
>report. Assuming no issues necessitate incompatible changes to the
>specification under review, the Unprivileged ISA Committees will
>propose that the updated specifications be ratified by both the RISC-V
>Technical Steering Committee and the RISC-V Board of Directors.
>We extend our gratitude to all contributors for their dedicated
>Ved Shanbhogue
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