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Re: [Qemu-devel] [PATCH v12 02/27] cpu-exec: Avoid global variables in i
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH v12 02/27] cpu-exec: Avoid global variables in icount-related functions |
Date: |
Tue, 11 Jul 2017 20:25:32 +0100 |
User-agent: |
mu4e 0.9.19; emacs 25.2.50.3 |
Lluís Vilanova <address@hidden> writes:
> Signed-off-by: Lluís Vilanova <address@hidden>
I guess. I assume this is also something Emilio is targeting with his
multi-threaded translation work.
Reviewed-by: Alex Bennée <address@hidden>
> ---
> include/exec/gen-icount.h | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
> index 62d462e494..6c28ef59c3 100644
> --- a/include/exec/gen-icount.h
> +++ b/include/exec/gen-icount.h
> @@ -19,7 +19,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
> count = tcg_temp_new_i32();
> }
>
> - tcg_gen_ld_i32(count, cpu_env,
> + tcg_gen_ld_i32(count, tcg_ctx.tcg_env,
> -ENV_OFFSET + offsetof(CPUState, icount_decr.u32));
>
> if (tb->cflags & CF_USE_ICOUNT) {
> @@ -37,7 +37,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
> tcg_gen_brcondi_i32(TCG_COND_LT, count, 0, exitreq_label);
>
> if (tb->cflags & CF_USE_ICOUNT) {
> - tcg_gen_st16_i32(count, cpu_env,
> + tcg_gen_st16_i32(count, tcg_ctx.tcg_env,
> -ENV_OFFSET + offsetof(CPUState,
> icount_decr.u16.low));
> }
>
> @@ -62,14 +62,16 @@ static void gen_tb_end(TranslationBlock *tb, int
> num_insns)
> static inline void gen_io_start(void)
> {
> TCGv_i32 tmp = tcg_const_i32(1);
> - tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState,
> can_do_io));
> + tcg_gen_st_i32(tmp, tcg_ctx.tcg_env,
> + -ENV_OFFSET + offsetof(CPUState, can_do_io));
> tcg_temp_free_i32(tmp);
> }
>
> static inline void gen_io_end(void)
> {
> TCGv_i32 tmp = tcg_const_i32(0);
> - tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState,
> can_do_io));
> + tcg_gen_st_i32(tmp, tcg_ctx.tcg_env,
> + -ENV_OFFSET + offsetof(CPUState, can_do_io));
> tcg_temp_free_i32(tmp);
> }
>
--
Alex Bennée