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Re: [Qemu-devel] [PATCH v5 + 1/2] target/aarch64: optimize cross-page di


From: Emilio G. Cota
Subject: Re: [Qemu-devel] [PATCH v5 + 1/2] target/aarch64: optimize cross-page direct jumps in softmmu
Date: Fri, 28 Apr 2017 15:22:38 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

On Fri, Apr 28, 2017 at 15:17:24 -0400, Emilio G. Cota wrote:
> Perf numbers in next commit's log.
> 
> Signed-off-by: Emilio G. Cota <address@hidden>
> ---
>  target/arm/translate-a64.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
> index 24de30d..5b691fc 100644
> --- a/target/arm/translate-a64.c
> +++ b/target/arm/translate-a64.c
> @@ -373,8 +373,7 @@ static inline void gen_goto_tb(DisasContext *s, int n, 
> uint64_t dest)
>          } else if (s->singlestep_enabled) {
>              gen_exception_internal(EXCP_DEBUG);
>          } else {
> -            tcg_gen_exit_tb(0);
> -            s->is_jmp = DISAS_TB_JUMP;

I'm not sure about removing this line though. Would it be better to leave it?
I can't see how TB_JUMP ends up doing anything in the rest of the file.

Thanks,

                E.



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