RISC-V International
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upstream...SW support has been merged into the main development branch of the corresponding SW project
staging branch...SW support lives in a staging branch and is not upstreamed
PR...SW support exists in form of a pull request for upstream (in-review or waiting for ratification)
n/a...not applicable, not relevant, or not required
missing...currently no known implementation
dev:X...feature is in development by X
empty cells...unknown status (feel free to share your knowledge)
E.g.: RV64I1p0M1p0A1p0F1p0D1p0 or RV32I2_M2_A2 (P extension requires underscore!)
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