Landing: bab1ed6f96a9
Project / Subsystem
gcc / gcc/riscv
Date
2026-06-24
Author
Jiawei
Commit
bab1ed6f96a90398ad55eb73978a0ea2b97adec7
Source
github
Perf win
No
Breaking
No
All attributes
- project
- gcc
- subsystem
- gcc/riscv
- patch_id
- —
- commit_hash
- bab1ed6f96a90398ad55eb73978a0ea2b97adec7
- source_type
- github
- headline
- RISC-V: Add minimal Ziccamoc extension support
- tldr
- GCC compiler now supports the RISC-V Ziccamoc extension for compare-and-swap atomics.
- author
- Jiawei
- outcome
- committed
- performance_win
- false
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • risc-v
- • compiler
- • extension
- • concurrency
- • atomics
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-06-24T00:00:00.000Z
This commit adds minimal support for the RISC-V Ziccamoc extension, which enables compare-and-swap (CAS) atomic operations on main memory. The changes involve updating the extension definitions, options, and documentation, and also include a new test case.