On 7/23/24 6:15 PM, Patrick O'Neill wrote:
From: Gianluca Guida
This patch adds support for amocas.{b|h|w|d}. Support for amocas.q
(64/128 bit cas for rv32/64) will be added in a future patch.
Extension: https://github.com/riscv/riscv-zacas
Ratification: https://jira.riscv.org/browse/RVS-68
On 7/23/24 6:39 PM, Patrick O'Neill wrote:
(define_expand "atomic_compare_and_swap"
[(match_operand:SI 0 "register_operand" "") ;; bool output
(match_operand:GPR 1 "register_operand" "") ;; val output
(match_operand:GPR 2 "memory_operand" "");; memory
- (match_operand:
On Tue, Jul 23, 2024 at 05:15:44PM -0700, Patrick O'Neill wrote:
> From: Gianluca Guida
>
> This patch adds support for amocas.{b|h|w|d}. Support for amocas.q
> (64/128 bit cas for rv32/64) will be added in a future patch.
>
> Extension: https://github.com/riscv/riscv-zacas
> Ratification: https
On 7/23/24 19:48, Kito Cheng wrote:
I incline do not add skip_zacas stuffs (although skip_zabha is already
there but that's fine), because that's different situation compare to
the zaamo/zalrsc, zaamo/zalrsc should automatically append if a
extension is available, which is new behavior and new ex
I incline do not add skip_zacas stuffs (although skip_zabha is already
there but that's fine), because that's different situation compare to
the zaamo/zalrsc, zaamo/zalrsc should automatically append if a
extension is available, which is new behavior and new extensions.
But zacas is only added whe
(define_expand "atomic_compare_and_swap"
[(match_operand:SI 0 "register_operand" "") ;; bool output
(match_operand:GPR 1 "register_operand" "") ;; val output
(match_operand:GPR 2 "memory_operand" "");; memory
- (match_operand:GPR 3 "reg_or_0_operand" "") ;; expected value
