RISC-V International
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Extension | Spike | Qemu | Binutils | GCC | glibc | newlib | LLVM | OpenSBI | FreeBSD | Linux kernel | GDB | |
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Zihintpause | upstream | Mailpatch | upstream | upstream | ||||||||
Vector: Zvamo, Zvlsseg, Zvediv, Zvqmac, Zve32x, Zve32f, Zve64x, Zve64f, Zve64d, Zvfh, Zve | upstream | upstream | upstream | rvv-next branch | upstream | upstream (experimental,FP16 ABI not settled) | not supported | |||||
Bitmanip: Zba, Zbb, Zbc, Zbs | upstream | upstream | upstream | PR | dev branch | upstream | upstream (experimental) | not used | ||||
FP in INT regs: Zfinx | PR | upstream | upstream(Zfinx, Zdinx) | MC upstream | not supported | |||||||
Half Width FP: Zfh, Zfhmin | upstream | upstream | upstream | upstream | not supported | |||||||
ePMP: Smepmp | upstream | upstream(but 0.9.3) | upstream (CSR only; part of Priv 1.12 support) | PR | not supported | |||||||
Scalar crypto: Zbkb, Zbkc, Zbkx, Zknd, Zkne, Zknh, Zksed, Zksh, Zkn, Zks, Zkt, Zk, Zkr | upstream | upstream | upstream | upstream(only minimal support and wait c-api merge) | upstream | not used | ||||||
Priv 1.12: Sm1-12, Ss1-12, Sv57 | upstream | upstream | not supported | |||||||||
CMO base: Zicbom, Zicbop, Zicboz | upstream | Mailpatch | upstream | PR,PR | not supported | dma-ops upstream (6.0) | ||||||
Hypervisor: H | upstream | upstream | upstream | n/a | n/a | n/a | upstream | not supported | upstream (5.16) | |||
State Enable: Smstateen | upstream | Mailpatch | upstream | not supported | ||||||||
Time compare: Sstc | Mailpatch | upstream | not supported | |||||||||
Counter overflow and filtering: Sscofmpf | PR | Mailpatch | upstream | not supported | ||||||||
Fast TLP invalidation: Svinval | upstream | upstream | upstream | not supported | ||||||||
NAPOT pages: Svnapot | upstream | upstream | not supported | |||||||||
Page-based memory types: Svpbmt | upstream | upstream | not supported | upstream (5.19) | ||||||||
Code Size Reduction: Zcee | dev branch | dev branch | dev branch | dev branch | dev branch | not supported | ||||||
Packed SIMD: Zpn, Zpsfoperand, Zprvsfextra | upstream( v0.9.2) | Mailpatch | PR | PR | not supported | |||||||
Resumable Non-maskable Interrupts: Smrnmi | dev branch | not supported | ||||||||||
Core-local Interrupt Controller: CLINT | upstream | upstream | upstream | upstream (clocksource) | ||||||||
Advanced Core-local Interrupt Controller: ACLINT | upstream | not supported | Patchwork | |||||||||
Zmmul | upstream | upstream | upstream | Mailpatch | patch | n/a | ||||||
Pointer masking: Zjpm | not supported |
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