Skip to end of metadata
Go to start of metadata

You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 32 Next »

If you are looking for documentation on a recently ratified extension that has not yet been merged into the published specifications listed on the RISC-V Specifications page, check the table below.  These extensions are completely ratified by RISC-V and will be merged into the final specifications in the coming months.


Specification nameRatification dateNew extension(s) or Profile(s)
RISC-V Cryptography Extensions Volume II: Vector InstructionsSeptember 2023Zvbb, Zvbc, Zvkb, Zvkg, Zvkn, Zvknc, Zvkned, Zvkng, Zvknha, Zvkbnhb, Zvks, Zvksc, Zvksed, Zvksg, Zvksh, Zvkt
"Zfa" Standard Extension for Additional Floating-Point InstructionsSeptember 2023Zfa
RISC-V Advanced Interrupt ArchitectureJune 2023Smaia, Ssaia
“Zvfh/Zvfhmin:” Vector Extension for Half-Precision Floating-Point Arithmetic/Vector Extension for Minimal Half-
Precision Floating-Point Arithmetic		June 2023Zvfh, Zvfhmin
“Zihintntl” Non-Temporal Locality HintsMay 2023Zihintntl
RISC-V Code Size ReductionApril 2023Zca, Zcb, Zcd, Zce, Zcf, Zcmp, Zcmt
RISC-V ProfilesMarch 2023RVA20, RVI20, RVA22
"Zicntr" and "Zihpm" CountersMarch 2023Zicntr, Zihpm
RV32E and RV64E Base Integer Instruction SetsJanuary 2023RV32E/RV64E
“Ztso” Standard Extension for Total Store OrderingJanuary 2023Ztso
RISC-V Wait-on-Reservation-Set (Zawrs) extensionNovember 2022Zawrs
Zmmul ExtensionJune 2022Zmmul
PMP Enhancements for memory access and execution prevention on Machine mode (Smepmp)November 2021Smepmp
RISC-V Base Cache Management Operation ISA ExtensionsNovember 2021Zicbom, Zicbop, Zicboz
RISC-V Bit-Manipulation ISA-extensionsNovember 2021Zba, Zbb, Zbc, Zbs
RISC-V Count Overflow and Mode-Based Filtering ExtensionNovember 2021Sscofpmf
RISC-V Cryptography Extensions Volume I: Scalar & Entropy Source InstructionsNovember 2021Zbkb, Zbkc, Zbkx, Zknd, Zkne, Zknh, Zksed, Zksh, Zkn, Zks, Zkt, Zk, Zkr
RISC-V State Enable ExtensionNovember 2021Smstateen
RISC-V "stimecmp / vstimecmp" ExtensionNovember 2021Sstc
RISC-V Vector ExtensionNovember 2021Zve32x, 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-PointNovember 2021Zfh, Zfhmin
"Zfinx", "Zdinx", "Zhinx", "Zhinxmin": Standard Extensions for Floating-Point in Integer RegistersNovember 2021Zfinx, Zdinx, Zhinx, Zhinxmin
“Zihintpause” Pause HintFebruary 2021Zihintpause
  • No labels

RISC-V International