
In September 2025, Hou Junjie developed BEQI and BNEI conditional branch instruction support for the riscv/zibi repository, targeting the Zibi extension’s 0.6 release. By introducing a 12-bit signed immediate encoding in the B-type format, Hou enabled register-immediate comparisons that reduce register pressure and improve branch efficiency in RISC-V workloads. The work included comprehensive updates to release documentation using adoc, ensuring clarity for downstream integration and customer adoption. Hou’s contributions demonstrated depth in instruction set design and RISC-V architecture, with disciplined version control and clear commit history, resulting in a well-documented, production-ready feature for the Zibi extension.

September 2025 focus: Zibi extension readiness and feature completion for 0.6 release. Delivered BEQI/BNEI support enabling register-immediate conditional branches, along with comprehensive release documentation for 0.6. This work reduces register pressure and improves branch efficiency in common code paths, accelerating performance for Zibi-enabled workloads and smoothing customer adoption.
September 2025 focus: Zibi extension readiness and feature completion for 0.6 release. Delivered BEQI/BNEI support enabling register-immediate conditional branches, along with comprehensive release documentation for 0.6. This work reduces register pressure and improves branch efficiency in common code paths, accelerating performance for Zibi-enabled workloads and smoothing customer adoption.
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