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From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: qemu-devel@nongnu.org
Cc: Marek Vasut <marex@denx.de>, Chris Wulff <crwulff@gmail.com>,
	Richard Henderson <richard.henderson@linaro.org>
Subject: Re: [PATCH 3/3] target/nios2: Use tcg_constant_*
Date: Sun, 3 Oct 2021 01:36:00 +0200	[thread overview]
Message-ID: <69aa1b04-b30a-e12e-f82c-1b777d29e1b3@amsat.org> (raw)
In-Reply-To: <20211002233054.3575646-4-f4bug@amsat.org>

On 10/3/21 01:30, Philippe Mathieu-Daudé wrote:
> Replace uses of tcg_const_* with the allocate and free close together.
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  target/nios2/translate.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)

> @@ -448,9 +445,8 @@ static void rdctl(DisasContext *dc, uint32_t code, uint32_t flags)
>          if (likely(instr.c != R_ZERO)) {
>              tcg_gen_mov_tl(cpu_R[instr.c], cpu_R[instr.imm5 + CR_BASE]);
>  #ifdef DEBUG_MMU
> -            TCGv_i32 tmp = tcg_const_i32(instr.imm5 + CR_BASE);
> -            gen_helper_mmu_read_debug(cpu_R[instr.c], cpu_env, tmp);
> -            tcg_temp_free_i32(tmp);
> +            gen_helper_mmu_read_debug(cpu_R[instr.c], cpu_env,
> +                                      tcg_constant_i32(instr.imm5 + CR_BASE));
>  #endif
>          }

I missed mmu_write() is also read-only, thus can use tcg_constant_*().


  reply	other threads:[~2021-10-02 23:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-02 23:30 [PATCH 0/3] target/nios2: Use tcg_constant_* Philippe Mathieu-Daudé
2021-10-02 23:30 ` [PATCH 1/3] target/nios2: Replace load_zero() by zero constant in DisasContext Philippe Mathieu-Daudé
2021-10-03 13:49   ` Richard Henderson
2021-10-02 23:30 ` [PATCH 2/3] target/nios2: Use DisasContext::zero constant instead of temporary Philippe Mathieu-Daudé
2021-10-03 13:50   ` Richard Henderson
2021-10-02 23:30 ` [PATCH 3/3] target/nios2: Use tcg_constant_* Philippe Mathieu-Daudé
2021-10-02 23:36   ` Philippe Mathieu-Daudé [this message]
2021-10-03 13:52   ` Richard Henderson

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