subject:"\[PATCH v5 04\/11\] RISC\-V\: Enforce atomic compare_exchange SEQ_CST"

Re: [PATCH v5 04/11] RISC-V: Enforce atomic compare_exchange SEQ_CST

2023-04-28 Thread Jeff Law via Gcc-patches

On 4/27/23 10:22, Patrick O'Neill wrote: This patch enforces SEQ_CST for atomic compare_exchange ops. Replace Fence/LR.aq/SC.aq pairs with SEQ_CST LR.aqrl/SC.rl pairs recommended by table A.6 of the ISA manual. 2023-04-27 Patrick O'Neill gcc/ChangeLog: * config/riscv/sync.md: Chan

[PATCH v5 04/11] RISC-V: Enforce atomic compare_exchange SEQ_CST

2023-04-27 Thread Patrick O'Neill

This patch enforces SEQ_CST for atomic compare_exchange ops. Replace Fence/LR.aq/SC.aq pairs with SEQ_CST LR.aqrl/SC.rl pairs recommended by table A.6 of the ISA manual. 2023-04-27 Patrick O'Neill gcc/ChangeLog: * config/riscv/sync.md: Change FENCE/LR.aq/SC.aq into sequentially