Specification name | Ratification date | New extension(s) or Profile(s) |
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RISC-V Code Size Reduction | April 2023 | Zca, Zcb, Zcd, Zce, Zcf, Zcmp, Zcmt |
RISC-V Profiles | March 2023 | RVA20, RVI20, RVA22 |
"Zicntr" and "Zihpm" Counters | March 2023 | Zicntr, Zihpm |
RV32E and RV64E Base Integer Instruction Sets | January 2023 | RV32E/RV64E |
“Ztso” Standard Extension for Total Store Ordering | January 2023 | Ztso |
RISC-V Wait-on-Reservation-Set (Zawrs) extension | November 2022 | Zawrs |
Zmmul Extension | June 2022 | Zmmul |
PMP Enhancements for memory access and execution prevention on Machine mode (Smepmp) | November 2021 | Smepmp |
RISC-V Base Cache Management Operation ISA Extensions | November 2021 | Zicbom, Zicbop, Zicboz |
RISC-V Bit-Manipulation ISA-extensions | November 2021 | Zba, Zbb, Zbc, Zbs |
RISC-V Count Overflow and Mode-Based Filtering Extension | November 2021 | Sscofpmf |
RISC-V Cryptography Extensions Volume I: Scalar & Entropy Source Instructions | November 2021 | Zbkb, Zbkc, Zbkx, Zknd, Zkne, Zknh, Zksed, Zksh, Zkn, Zks, Zkt, Zk, Zkr |
RISC-V State Enable Extension | November 2021 | Smstateen |
RISC-V "stimecmp / vstimecmp" Extension | November 2021 | Sstc |
RISC-V Vector Extension | November 2021 | Zve32x, Zve32f, Zve64x, Zve64f, Zve64d, Zve, Zvl32b, Zvl64b, Zvl128b, Zvl256b, Zvl512b, Zvl1024b, Zvl, Zv |
The RISC-V Instruction Set Manual Volume II: Privileged Architecture | November 2021 | Sm1p12, Ss1p12, Sv57, Hypervisor, Svinval, Svnapot, Svpbmt |
"Zfh" and "Zfhmin" Standard Extensions for Half-Precision Floating-Point | November 2021 | Zfh, Zfhmin |
"Zfinx", "Zdinx", "Zhinx", "Zhinxmin": Standard Extensions for Floating-Point in Integer Registers | November 2021 | Zfinx, Zdinx, Zhinx, Zhinxmin |
“Zihintpause” Pause Hint | February 2021 | Zihintpause |