Re: [PATCH 14/22] tcg: Remove INDEX_op_plugin_cb_{start,end}

[Pierrick Bouvier <pierrick.bouvier@linaro.org>]

On 3/16/24 05:57, Richard Henderson wrote:
> These opcodes are no longer used.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   include/tcg/tcg-op-common.h |  2 --
>   include/tcg/tcg-opc.h       |  2 --
>   accel/tcg/plugin-gen.c      | 18 ------------------
>   tcg/tcg-op.c                | 10 ----------
>   4 files changed, 32 deletions(-)
> 
> diff --git a/include/tcg/tcg-op-common.h b/include/tcg/tcg-op-common.h
> index 72b80b20d0..009e2778c5 100644
> --- a/include/tcg/tcg-op-common.h
> +++ b/include/tcg/tcg-op-common.h
> @@ -76,8 +76,6 @@ void tcg_gen_lookup_and_goto_ptr(void);
>   
>   void tcg_gen_plugin_cb(unsigned from);
>   void tcg_gen_plugin_mem_cb(TCGv_i64 addr, unsigned meminfo);
> -void tcg_gen_plugin_cb_start(unsigned from, unsigned type, unsigned wr);
> -void tcg_gen_plugin_cb_end(void);
>   
>   /* 32 bit ops */
>   
> diff --git a/include/tcg/tcg-opc.h b/include/tcg/tcg-opc.h
> index be9e36e386..546eb49c11 100644
> --- a/include/tcg/tcg-opc.h
> +++ b/include/tcg/tcg-opc.h
> @@ -199,8 +199,6 @@ DEF(goto_ptr, 0, 1, 0, TCG_OPF_BB_EXIT | TCG_OPF_BB_END)
>   
>   DEF(plugin_cb, 0, 0, 1, TCG_OPF_NOT_PRESENT)
>   DEF(plugin_mem_cb, 0, 1, 1, TCG_OPF_NOT_PRESENT)
> -DEF(plugin_cb_start, 0, 0, 3, TCG_OPF_NOT_PRESENT)
> -DEF(plugin_cb_end, 0, 0, 0, TCG_OPF_NOT_PRESENT)
>   
>   /* Replicate ld/st ops for 32 and 64-bit guest addresses. */
>   DEF(qemu_ld_a32_i32, 1, 1, 1,
> diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
> index b5261edc38..c8f0e0ecaa 100644
> --- a/accel/tcg/plugin-gen.c
> +++ b/accel/tcg/plugin-gen.c
> @@ -58,29 +58,11 @@
>   # define CONFIG_SOFTMMU_GATE 0
>   #endif
>   
> -/*
> - * plugin_cb_start TCG op args[]:
> - * 0: enum plugin_gen_from
> - * 1: enum plugin_gen_cb
> - * 2: set to 1 for mem callback that is a write, 0 otherwise.
> - */
> -
>   enum plugin_gen_from {
>       PLUGIN_GEN_FROM_TB,
>       PLUGIN_GEN_FROM_INSN,
>       PLUGIN_GEN_AFTER_INSN,
>       PLUGIN_GEN_AFTER_TB,
> -    PLUGIN_GEN_N_FROMS,
> -};
> -
> -enum plugin_gen_cb {
> -    PLUGIN_GEN_CB_UDATA,
> -    PLUGIN_GEN_CB_UDATA_R,
> -    PLUGIN_GEN_CB_INLINE,
> -    PLUGIN_GEN_CB_MEM,
> -    PLUGIN_GEN_ENABLE_MEM_HELPER,
> -    PLUGIN_GEN_DISABLE_MEM_HELPER,
> -    PLUGIN_GEN_N_CBS,
>   };
>   

Nice that you could remove this enum sounded duplicated from the similar 
one when registering ops/cbs.

>   static void plugin_gen_empty_callback(enum plugin_gen_from from)
> diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
> index 0ae12fa49d..eff3728622 100644
> --- a/tcg/tcg-op.c
> +++ b/tcg/tcg-op.c
> @@ -322,16 +322,6 @@ void tcg_gen_plugin_mem_cb(TCGv_i64 addr, unsigned meminfo)
>       tcg_gen_op2(INDEX_op_plugin_mem_cb, tcgv_i64_arg(addr), meminfo);
>   }
>   
> -void tcg_gen_plugin_cb_start(unsigned from, unsigned type, unsigned wr)
> -{
> -    tcg_gen_op3(INDEX_op_plugin_cb_start, from, type, wr);
> -}
> -
> -void tcg_gen_plugin_cb_end(void)
> -{
> -    tcg_emit_op(INDEX_op_plugin_cb_end, 0);
> -}
> -
>   /* 32 bit ops */
>   
>   void tcg_gen_discard_i32(TCGv_i32 arg)

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>