From: Richard Henderson <richard.henderson@linaro.org>
To: Carl Hauser <chauser@pullman.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH for-9.2 v3 0/6] target/sparc: emulate floating point queue when raising fp traps
Date: Sat, 17 Aug 2024 09:59:58 +1000 [thread overview]
Message-ID: <a1bb747e-f2b1-4eec-97cd-0c7614623aed@linaro.org> (raw)
In-Reply-To: <a06ebc2a-e67b-49d9-91a8-ae2a7a1d8b9d@pullman.com>
On 8/17/24 08:58, Carl Hauser wrote:
> Yes, but ...
>
> isn't the state of dc->fsr_qne at translation time irrelevant?
No, because patch 4 made it part of the hashed TB state.
It's checked and verified, generating a new TB if state does not match.
> And changing it at
> translation time (line 4593) is dangerous (because it pertains to runtime, not translation
> time); i.e. why is 0 stored at both translation time (4593) and at runtime (4591)?
That keeps the translation time state in sync with the runtime state until the end of the TB.
r~
next prev parent reply other threads:[~2024-08-17 0:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-16 7:23 [PATCH for-9.2 v3 0/6] target/sparc: emulate floating point queue when raising fp traps Richard Henderson
2024-08-16 7:23 ` [PATCH v3 1/6] target/sparc: Restrict STQF to sparcv9 Richard Henderson
2024-08-16 7:58 ` Philippe Mathieu-Daudé
2024-08-16 7:23 ` [PATCH v3 2/6] target/sparc: Add FQ and FSR.QNE Richard Henderson
2024-08-16 7:23 ` [PATCH v3 3/6] target/sparc: Populate sparc32 FQ when raising fp exception Richard Henderson
2024-08-16 7:23 ` [PATCH v3 4/6] target/sparc: Add FSR_QNE to tb_flags Richard Henderson
2024-08-16 7:23 ` [PATCH v3 5/6] target/sparc: Implement STDFQ Richard Henderson
2024-08-16 7:23 ` [PATCH v3 6/6] target/sparc: Add gen_trap_if_nofpu_fpexception Richard Henderson
2024-08-16 21:19 ` [PATCH for-9.2 v3 0/6] target/sparc: emulate floating point queue when raising fp traps Carl Hauser
2024-08-16 21:46 ` Carl Hauser
2024-08-16 22:05 ` Richard Henderson
[not found] ` <a06ebc2a-e67b-49d9-91a8-ae2a7a1d8b9d@pullman.com>
2024-08-16 23:59 ` Richard Henderson [this message]
[not found] ` <aa172755-faf8-4587-a4e8-d1cbfdc139b1@pullman.com>
2024-08-17 0:16 ` Richard Henderson
[not found] ` <275021f0-887c-4de8-a86d-ad9abc83df95@pullman.com>
2024-08-19 2:42 ` [PATCH for-9.2 v3 0/6] target/sparc: emulate floating point queue when raising fp traps -- CORRECTION Richard Henderson
[not found] ` <24c5b02b-c401-4081-aa46-f745592002ca@pullman.com>
2024-08-20 22:16 ` Richard Henderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a1bb747e-f2b1-4eec-97cd-0c7614623aed@linaro.org \
--to=richard.henderson@linaro.org \
--cc=chauser@pullman.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).