From: Jeff Law <jeffreyalaw@gmail.com>
To: Patrick O'Neill <patrick@rivosinc.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 1/2] RISC-V: Let non-atomic targets use optimized amo loads/stores
Date: Tue, 31 Oct 2023 07:05:08 -0600 [thread overview]
Message-ID: <3c27765c-cc0f-47a0-ad55-7ad797291653@gmail.com> (raw)
In-Reply-To: <20231031004929.1435217-1-patrick@rivosinc.com>
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
next prev parent reply other threads:[~2023-10-31 13:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-31 0:49 Patrick O'Neill
2023-10-31 0:49 ` [PATCH 2/2] RISC-V: Require a extension for testcases with atomic insns Patrick O'Neill
2023-10-31 13:07 ` Jeff Law
2023-10-31 17:16 ` [Committed " Patrick O'Neill
2023-10-31 13:05 ` Jeff Law [this message]
2023-10-31 17:16 ` [Committed 1/2] RISC-V: Let non-atomic targets use optimized amo loads/stores Patrick O'Neill
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