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From: Aurelien Jarno <aurelien@aurel32.net>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
	qemu-devel@nongnu.org, "Richard Henderson" <rth@twiddle.net>,
	"Vladimir Prus" <vladimir.prus@gmail.com>,
	"Edgar E . Iglesias" <edgar.iglesias@gmail.com>
Subject: Re: [Qemu-devel] [PATCH 1/2] target/sh4: add missing tcg_temp_free() in gen_conditional_jump()
Date: Wed, 6 Dec 2017 22:59:44 +0100	[thread overview]
Message-ID: <20171206215944.GA16343@aurel32.net> (raw)
In-Reply-To: <20171205170013.22337-2-f4bug@amsat.org>

On 2017-12-05 14:00, Philippe Mathieu-Daudé wrote:
> missed in c55497ecb8c.
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  target/sh4/translate.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/target/sh4/translate.c b/target/sh4/translate.c
> index 703020fe87..5aeaabdd8d 100644
> --- a/target/sh4/translate.c
> +++ b/target/sh4/translate.c
> @@ -322,13 +322,16 @@ static void gen_delayed_conditional_jump(DisasContext * ctx)
>          gen_jump(ctx);
>  
>          gen_set_label(l1);
> -        return;
> +        goto done;
>      }
>  
>      tcg_gen_brcondi_i32(TCG_COND_NE, ds, 0, l1);
>      gen_goto_tb(ctx, 1, ctx->pc + 2);
>      gen_set_label(l1);
>      gen_jump(ctx);
> +
> +done:
> +    tcg_temp_free(ds);
>  }
>  
>  static inline void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)

AFAIR, temps are not preserved across a branch (contrary to local
temps), so I am not sure they need to be freed.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net

  reply	other threads:[~2017-12-06 21:59 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-05 17:00 [Qemu-devel] [PATCH 0/2] target/sh4: add missing tcg_temp_free() Philippe Mathieu-Daudé
2017-12-05 17:00 ` [Qemu-devel] [PATCH 1/2] target/sh4: add missing tcg_temp_free() in gen_conditional_jump() Philippe Mathieu-Daudé
2017-12-06 21:59   ` Aurelien Jarno [this message]
2017-12-05 17:00 ` [Qemu-devel] [PATCH 2/2] target/sh4: add missing tcg_temp_free() in _decode_opc() Philippe Mathieu-Daudé
2017-12-06 21:59   ` Aurelien Jarno
2017-12-05 20:35 ` [Qemu-devel] [PATCH 0/2] target/sh4: add missing tcg_temp_free() Alex Bennée

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