Re: [PATCH] target/riscv: Check for 'A' extension on all atomic instructions

[Daniel Henrique Barboza]

On 1/10/24 13:39, Rob Bradford wrote:
> Add requirement that 'A' is enabled for all atomic instructions that
> lack the check. This makes the 64-bit versions consistent with the
> 32-bit versions in the same file.
>
> Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
> ---

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

>   target/riscv/insn_trans/trans_rva.c.inc | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>
> diff --git a/target/riscv/insn_trans/trans_rva.c.inc 
> b/target/riscv/insn_trans/trans_rva.c.inc
> index 5f194a447b..f0368de3e4 100644
> --- a/target/riscv/insn_trans/trans_rva.c.inc
> +++ b/target/riscv/insn_trans/trans_rva.c.inc
> @@ -163,65 +163,76 @@ static bool trans_amomaxu_w(DisasContext *ctx, 
> arg_amomaxu_w *a)
>   static bool trans_lr_d(DisasContext *ctx, arg_lr_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_lr(ctx, a, MO_ALIGN | MO_TEUQ);
>   }
>   
>   static bool trans_sc_d(DisasContext *ctx, arg_sc_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_sc(ctx, a, (MO_ALIGN | MO_TEUQ));
>   }
>   
>   static bool trans_amoswap_d(DisasContext *ctx, arg_amoswap_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, (MO_ALIGN | MO_TEUQ));
>   }
>   
>   static bool trans_amoadd_d(DisasContext *ctx, arg_amoadd_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amoxor_d(DisasContext *ctx, arg_amoxor_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amoand_d(DisasContext *ctx, arg_amoand_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amoor_d(DisasContext *ctx, arg_amoor_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, (MO_ALIGN | MO_TEUQ));
>   }
>   
>   static bool trans_amomin_d(DisasContext *ctx, arg_amomin_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amomax_d(DisasContext *ctx, arg_amomax_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amominu_d(DisasContext *ctx, arg_amominu_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }
>   
>   static bool trans_amomaxu_d(DisasContext *ctx, arg_amomaxu_d *a)
>   {
>       REQUIRE_64BIT(ctx);
> +    REQUIRE_EXT(ctx, RVA);
>       return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, (MO_ALIGN | 
> MO_TEUQ));
>   }