From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Subject: Re: [RFC PATCH 8/9] target/cris: Use tcg_gen_sextract_tl
Date: Mon, 23 Oct 2023 17:26:18 -0700 [thread overview]
Message-ID: <db537981-e8ee-419c-9bc1-d9092ec60deb@linaro.org> (raw)
In-Reply-To: <20231023160944.10692-9-philmd@linaro.org>
On 10/23/23 09:09, Philippe Mathieu-Daudé wrote:
> Inspired-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
> RFC: please double-check bits
> ---
> target/cris/translate.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/target/cris/translate.c b/target/cris/translate.c
> index 65b07e1d80..3a161f8f73 100644
> --- a/target/cris/translate.c
> +++ b/target/cris/translate.c
> @@ -336,8 +336,7 @@ static void t_gen_cris_mstep(TCGv d, TCGv a, TCGv b, TCGv ccs)
> */
> t = tcg_temp_new();
> tcg_gen_shli_tl(d, a, 1);
> - tcg_gen_shli_tl(t, ccs, 31 - 3);
> - tcg_gen_sari_tl(t, t, 31);
> + tcg_gen_sextract_tl(t, ccs, 3, 1);
tcg_gen_sextract_tl(t, ccs, ctz32(N_FLAG), 1);
Also, it appears t_gen_cris_mstep consumes CCS without making sure that it is up-to-date.
Edgar?
r~
next prev parent reply other threads:[~2023-10-24 0:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 16:09 [PATCH 0/9] tcg: Use tcg_gen_[s]extract_{i32,i64,tl} Philippe Mathieu-Daudé
2023-10-23 16:09 ` [PATCH 1/9] target/avr: Use tcg_gen_extract_tl Philippe Mathieu-Daudé
2023-10-23 23:32 ` Richard Henderson
2023-10-24 7:21 ` Michael Rolnik
2023-10-23 16:09 ` [PATCH 2/9] target/cris: " Philippe Mathieu-Daudé
2023-10-23 23:36 ` Richard Henderson
2023-10-24 8:44 ` Edgar E. Iglesias
2023-10-23 16:09 ` [PATCH 3/9] target/mips: Use tcg_gen_extract_i32 Philippe Mathieu-Daudé
2023-10-23 23:39 ` Richard Henderson
2023-10-23 16:09 ` [PATCH 4/9] target/ppc: " Philippe Mathieu-Daudé
2023-10-23 23:40 ` Richard Henderson
2023-10-23 16:09 ` [PATCH 5/9] target/sparc: Use tcg_gen_extract_tl Philippe Mathieu-Daudé
2023-10-23 23:41 ` Richard Henderson
2023-10-23 16:09 ` [PATCH 6/9] target/xtensa: Use tcg_gen_extract_i32 Philippe Mathieu-Daudé
2023-10-23 17:56 ` Max Filippov
2023-10-23 16:09 ` [PATCH 7/9] target/mips: Use tcg_gen_sextract_tl Philippe Mathieu-Daudé
2023-10-24 0:14 ` Richard Henderson
2023-10-24 8:57 ` Philippe Mathieu-Daudé
2023-10-24 16:55 ` Philippe Mathieu-Daudé
2023-10-23 16:09 ` [RFC PATCH 8/9] target/cris: " Philippe Mathieu-Daudé
2023-10-24 0:26 ` Richard Henderson [this message]
2023-10-24 8:42 ` Edgar E. Iglesias
2023-10-24 8:53 ` Philippe Mathieu-Daudé
2023-10-24 8:58 ` Philippe Mathieu-Daudé
2023-10-23 16:09 ` [RFC PATCH 9/9] target/ppc: " Philippe Mathieu-Daudé
2023-10-24 1:04 ` Richard Henderson
2023-10-25 7:09 ` Nicholas Piggin
2023-10-25 7:33 ` Philippe Mathieu-Daudé
2023-10-25 20:26 ` Richard Henderson
2023-10-25 7:38 ` Richard Henderson
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