From: Xi Ruoyao <xry111@xry111.site>
To: LIU Hao <lh_mouse@126.com>,
Alexander Monakov <amonakov@ispras.ru>,
stefan@franke.ms
Cc: gcc-help@gcc.gnu.org
Subject: Re: optimizer discards sign information
Date: Wed, 10 Apr 2024 17:52:42 +0800 [thread overview]
Message-ID: <5f1da8b7829b4b1a445aac2216f50aba2fb5dac5.camel@xry111.site> (raw)
In-Reply-To: <2e2c1430-edfa-42ed-8713-cff56a2de64d@126.com>
On Wed, 2024-04-10 at 17:51 +0800, LIU Hao wrote:
> 在 2024-04-10 17:44, Xi Ruoyao 写道:
> > You only get a "different result" when an undefined behavior
> > happens,
> > thus it **is** a valid point to say there is no wrong-code issue.
> >
> > > It's a real bug. There are many PRs on bugzilla.
> >
> > You may argue it's a missed-optimization, but we were discussing
> > about
> > wrong-code or not.
>
> Nobody in this thread has been thinking it's wrong code.
No, the OP is still thinking it's a wrong-code.
See the latest reply from him.
--
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University
next prev parent reply other threads:[~2024-04-10 9:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-10 8:52 stefan
2024-04-10 9:16 ` Alexander Monakov
2024-04-10 9:19 ` Xi Ruoyao
2024-04-10 9:40 ` LIU Hao
2024-04-10 9:44 ` Xi Ruoyao
2024-04-10 9:51 ` LIU Hao
2024-04-10 9:52 ` Xi Ruoyao [this message]
2024-04-10 10:07 ` LIU Hao
2024-04-10 10:17 ` Xi Ruoyao
2024-04-10 10:03 ` AW: " stefan
2024-04-10 10:34 ` Xi Ruoyao
2024-04-10 9:24 ` stefan
2024-04-10 9:49 ` stefan
2024-04-10 9:54 ` Xi Ruoyao
2024-04-10 9:57 ` LIU Hao
2024-04-10 10:03 ` Xi Ruoyao
2024-04-10 11:52 ` David Brown
2024-04-10 14:25 ` Stefan Franke
2024-04-10 16:51 ` David Brown
2024-04-11 0:32 ` Oleg Endo
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=5f1da8b7829b4b1a445aac2216f50aba2fb5dac5.camel@xry111.site \
--to=xry111@xry111.site \
--cc=amonakov@ispras.ru \
--cc=gcc-help@gcc.gnu.org \
--cc=lh_mouse@126.com \
--cc=stefan@franke.ms \
/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 read-only IMAP folder(s) and NNTP newsgroup(s).