[Committed 1/2] RISC-V: Let non-atomic targets use optimized amo loads/stores

[Patrick O'Neill]

On 10/31/23 06:05, Jeff Law wrote:

On 10/30/23 18:49, Patrick O'Neill wrote:

Non-atomic targets are currently prevented from using the optimized fencing for

seq_cst load/seq_cst store. This patch removes that constraint.

gcc/ChangeLog:

    * config/riscv/sync-rvwmo.md (atomic_load_rvwmo<mode>): Remove
    TARGET_ATOMIC constraint
    (atomic_store_rvwmo<mode>): Ditto.
    * config/riscv/sync-ztso.md (atomic_load_ztso<mode>): Ditto.
    (atomic_store_ztso<mode>): Ditto.
    * config/riscv/sync.md (atomic_load<mode>): Ditto.
    (atomic_store<mode>): Ditto.

OK
jeff

Committed

Patrick