RISC-V International
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Ratification Package (Extension names) : Project repo | Fast Track | Priv / Unpriv | Committee (Owner) | Plan Milestone Target Date | Freeze Milestone Target Date | Ratification Milestone Target Date | Plan Milestone Status* | Freeze Milestone Status** | Ratification Milestone Status*** | Notes / Last Updated | In RVA2023 profile as mandatory or supported optional |
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N | P | Priv HC (John Hauser, Anup Patel) | Q3'22 | Plan Complete | Freeze Arch Review Complete Waivers Requested | 08/22 | y | ||||
Code Size Reduction (Zc*) | N | U | (Tariq Kurd) | Q3'22 | N/A - Grandfathered | Freeze Arch Review In Process Complete for Some Parts | 08/22 | n | |||
N | P | Debug TG (Tim Newsom) | Q2'23 | Plan Development | 08/22 | n | |||||
Fast Interrupt (CLIC) | N | P | Priv HC (Dan Smathers) | Q4'22 | Plan Development | Freeze Arch Review Requested | 08/22 | n | |||
HpmCounter enhancements (Zicntr, Zihpm) | Y | U | Unpriv HC (TBD) | Q3'22 | N/A | Freeze Arch Review Complete | 08/22 | y | |||
"May Be Ops" (for CFI, etc.) (Zimops) | Y | U | Unpriv HC (Andrew Waterman) | Q3'22 | N/A | Pending RVI Review Arch Review In Process | 08/22 | n | |||
Non Temporal Locality Hint (ZihintntlhZihintntl) | Y | P | Priv HC (Andrew Waterman) | Q3'22 | N/A | Freeze Arch Review Complete | 08/22 | y | |||
Packed SIMD (Zpn, Zpsfoperand, Zprvsfextra) | N | U | Unpriv HC (Kevin Chen) | Q4'22 | N/A - Grandfathered | Freeze Arch Review Requested | 08/22 | n | |||
Pointer masking (Zjpm) | N | P | Priv HC (Martin Maas) | Q4'22 | N/A - Grandfathered | Freeze Arch Review Requested | 9/1 | ? | |||
N | U | Profiles TG (Krste/Greg) | 06/25/22 | Internal Review Complete 6/7 TSC Review Complete 6/21 | Plan Complete | Freeze Complete | 09/01 | y | |||
Y | P | (Ved Shanbhogue) | Q3'22 | Q4'22 | N/A | 08/22 | n | ||||
Reduced integer bases (RV32E/RV64E) | Y | U | Unpriv HC (???) | Q3'22 | N/A | Freeze Arch Review Complete | Public review ends Oct 6 (updated: 08/22) | n | |||
Resumable Non-maskable Interrupts (Smrnmi) | Y | P | Priv HC (Krste/Greg) | Q4'22 | N/A | Freeze Arch Review Almost Complete | 08/22 | n | |||
Misc. basic Scalar FP (Zfb) | Y | U | Unpriv HC (Andrew Waterman) | Q3'22 | N/A | Freeze Arch Review In Process | 08/22 | y | |||
Y | U | Unpriv HC (Earl Killian) | Q2'22 | Q3'22 | N/A | Freeze Complete | Public Review In Process | Review ends 3 Oct. (updated: 08/22) | ? | ||
N | U | Cryptographic Extensions Task Group | Plan Development | 08/22 | y | ||||||
Vector IEEE FP16 Min Support (Zvfmin) | Y | U | Unpriv HC (Andrew Waterman) | Q4'22 | N/A | Freeze Arch Review Requested | 08/22 | y | |||
Vector IEEE FP16 Arithmetic (Zvf) | Y | U | Unpriv HC (Andrew Waterman) | Q4'22 | N/A | Freeze Arch Review Requested | 08/22 | y | |||
Wait on Reservation Set (Zawrs) | Y | U | Unpriv HC | Q2'22 | Q3'22 | N/A | Freeze Complete | Public Review Complete Committee Chair Sign-Off Voting | Updated: 08/31 | y |
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