From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>,
qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Song Gao" <gaosong@loongson.cn>,
"Eduardo Habkost" <eduardo@habkost.net>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
"Aleksandar Rikalo" <arikalo@gmail.com>,
"Stafford Horne" <shorne@gmail.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Daniel Henrique Barboza" <danielhb413@gmail.com>,
"Yoshinori Sato" <ysato@users.sourceforge.jp>,
"David Hildenbrand" <david@redhat.com>,
"Ilya Leoshkevich" <iii@linux.ibm.com>,
"Thomas Huth" <thuth@redhat.com>,
"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
"Artyom Tarasenko" <atar4qemu@gmail.com>,
"Max Filippov" <jcmvbkbc@gmail.com>,
qemu-ppc@nongnu.org, qemu-s390x@nongnu.org
Subject: Re: [PATCH 16/21] target/alpha: Explicitly set 2-NaN propagation rule
Date: Mon, 28 Oct 2024 12:25:15 +0000 [thread overview]
Message-ID: <1b1973d8-a04e-41f1-9b12-f265b523655a@linaro.org> (raw)
In-Reply-To: <20241025141254.2141506-17-peter.maydell@linaro.org>
On 10/25/24 15:12, Peter Maydell wrote:
> Set the NaN propagation rule explicitly for the float_status word
> used in this target.
>
> This is a no-behaviour-change commit, so we retain the existing
> behaviour of x87-style pick-largest-significand NaN propagation.
> This is however not the architecturally correct handling, so we leave
> a TODO note to that effect.
>
> We also leave a TODO note pointing out that all this code in the cpu
> initfn (including the existing setting up of env->flags and the FPCR)
> should be in a currently non-existent CPU reset function.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
> target/alpha/cpu.c | 11 +++++++++++
> fpu/softfloat-specialize.c.inc | 2 +-
> 2 files changed, 12 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2024-10-29 6:18 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-25 14:12 [PATCH 00/21] softfloat: Set 2-NaN propagation rule in float_status, not at compile time Peter Maydell
2024-10-25 14:12 ` [PATCH 01/21] softfloat: Allow 2-operand NaN propagation rule to be set at runtime Peter Maydell
2024-10-28 12:07 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 02/21] tests/fp: Explicitly set 2-NaN propagation rule Peter Maydell
2024-10-25 19:27 ` Philippe Mathieu-Daudé
2024-10-28 12:07 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 03/21] target/arm: " Peter Maydell
2024-10-28 12:10 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 04/21] target/mips: " Peter Maydell
2024-10-25 19:46 ` Philippe Mathieu-Daudé
2024-10-25 14:12 ` [PATCH 05/21] target/loongarch: " Peter Maydell
2024-10-28 12:13 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 06/21] target/hppa: " Peter Maydell
2024-10-28 12:14 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 07/21] target/s390x: " Peter Maydell
2024-10-25 17:45 ` Ilya Leoshkevich
2024-10-26 4:40 ` Philippe Mathieu-Daudé
2024-10-28 12:15 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 08/21] target/ppc: " Peter Maydell
2024-10-28 12:16 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 09/21] target/m68k: " Peter Maydell
2024-10-26 4:36 ` Philippe Mathieu-Daudé
2024-10-28 12:18 ` Richard Henderson
2024-10-29 10:10 ` Peter Maydell
2024-10-25 14:12 ` [PATCH 10/21] target/m68k: Initialize float_status fields in gdb set/get functions Peter Maydell
2024-10-26 4:35 ` Philippe Mathieu-Daudé
2024-10-28 12:19 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 11/21] target/sparc: Move cpu_put_fsr(env, 0) call to reset Peter Maydell
2024-10-26 4:32 ` Philippe Mathieu-Daudé
2024-10-26 20:00 ` Mark Cave-Ayland
2024-10-28 12:20 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 12/21] target/sparc: Explicitly set 2-NaN propagation rule Peter Maydell
2024-10-26 20:03 ` Mark Cave-Ayland
2024-10-28 12:20 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 13/21] target/xtensa: Factor out calls to set_use_first_nan() Peter Maydell
2024-10-25 15:54 ` Max Filippov
2024-10-28 12:21 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 14/21] target/xtensa: Explicitly set 2-NaN propagation rule Peter Maydell
2024-10-25 15:54 ` Max Filippov
2024-10-26 4:38 ` Philippe Mathieu-Daudé
2024-10-28 12:22 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 15/21] target/i386: Set 2-NaN propagation rule explicitly Peter Maydell
2024-10-28 12:24 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 16/21] target/alpha: Explicitly set 2-NaN propagation rule Peter Maydell
2024-10-26 4:39 ` Philippe Mathieu-Daudé
2024-10-28 12:25 ` Richard Henderson [this message]
2024-10-25 14:12 ` [PATCH 17/21] target/microblaze: Move setting of float rounding mode to reset Peter Maydell
2024-10-28 12:25 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 18/21] target/microblaze: Explicitly set 2-NaN propagation rule Peter Maydell
2024-10-26 4:39 ` Philippe Mathieu-Daudé
2024-10-28 12:26 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 19/21] target/openrisc: " Peter Maydell
2024-10-26 4:40 ` Philippe Mathieu-Daudé
2024-10-28 12:26 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 20/21] target/rx: " Peter Maydell
2024-10-26 4:29 ` Philippe Mathieu-Daudé
2024-10-28 12:27 ` Richard Henderson
2024-10-25 14:12 ` [PATCH 21/21] softfloat: Remove fallback rule from pickNaN() Peter Maydell
2024-10-26 4:31 ` Philippe Mathieu-Daudé
2024-10-28 12:28 ` Richard Henderson
2024-10-25 14:49 ` [PATCH 00/21] softfloat: Set 2-NaN propagation rule in float_status, not at compile time Helge Deller
2024-10-25 14:59 ` Peter Maydell
2024-10-25 18:29 ` Helge Deller
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