RISC-V Instruction Set Manual
The current RISC-V section is /riscv/, including the 2026-09-17 combined ISA snapshot. This /risc-v/ path is kept so existing links keep working.
RISC-V Assembly Programmer's Manual
From riscv-non-isa/riscv-asm-manual: RISC-V Assembly Programmer's Manual
RISC-V Instruction Set Manual
From riscv/riscv-isa-manual: RISC-V Instruction Set Manual.
The RISC-V Instruction Set Manual Volume I: Unprivileged Architecture
Original web version: The RISC-V Instruction Set Manual Volume I: Unprivileged Architecture.
The RISC-V Instruction Set Manual: Volume II: Privileged Architecture
Original web version: The RISC-V Instruction Set Manual: Volume II: Privileged Architecture.
RISC-V Optimization Guide
From RISE Project / RISC-V Optimization Guide · GitLab.