From: Paul Koning <paulkoning@comcast.net>
To: Qing Zhao <qing.zhao@oracle.com>
Cc: gcc Patches <gcc-patches@gcc.gnu.org>
Subject: Re: Should -ffp-contract=off the default on GCC?
Date: Tue, 21 Mar 2023 12:56:00 -0400 [thread overview]
Message-ID: <87384938-FDB1-487B-8B03-7787996435B2@comcast.net> (raw)
In-Reply-To: <FC43F35C-6EF8-4E0F-96F2-E600D23E5A4C@oracle.com>
> On Mar 21, 2023, at 11:01 AM, Qing Zhao via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
>
> ...
> Most of the compiler users are not familiar with language standards, or no access to language standards. Without clearly documenting such warnings along with the option explicitly, the users have not way to know such potential impact.
With modern highly optimized languages, not knowing the standard is going to get you in trouble. There was a wonderful paper from MIT a few years ago describing all the many ways C can bite you if you don't know the rules.
paul
next prev parent reply other threads:[~2023-03-21 16:56 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 16:24 Qing Zhao
2023-03-16 16:31 ` Andrew Pinski
2023-03-16 16:38 ` Qing Zhao
2023-03-16 16:53 ` Jakub Jelinek
2023-03-16 18:40 ` Qing Zhao
2023-03-20 22:05 ` Qing Zhao
2023-03-20 22:25 ` Jakub Jelinek
2023-03-21 12:49 ` Qing Zhao
2023-03-21 15:01 ` Qing Zhao
2023-03-21 16:56 ` Paul Koning [this message]
2023-03-21 17:00 ` Qing Zhao
2023-03-21 17:59 ` Jeff Law
2023-03-21 18:03 ` Paul Koning
2023-03-21 18:55 ` Toon Moene
2023-03-21 18:12 ` Alexander Monakov
2023-03-21 18:18 ` Jeff Law
2023-03-22 10:13 ` Richard Biener
2023-03-22 12:26 ` Alexander Monakov
2023-03-22 13:57 ` Richard Biener
2023-03-22 15:52 ` Qing Zhao
2023-03-24 7:12 ` Fangrui Song
2023-03-24 19:42 ` Andrew Pinski
2023-03-31 16:31 ` Qing Zhao
2023-03-21 19:01 ` Qing Zhao
2023-03-21 19:12 ` Jakub Jelinek
2023-03-21 23:28 ` Jeff Law
2023-03-21 23:31 ` Jakub Jelinek
2023-03-21 19:51 ` Jeff Law
2023-03-21 21:08 ` Qing Zhao
2023-03-22 12:33 ` Alexander Monakov
2023-03-22 14:33 ` Qing Zhao
2023-03-27 9:03 Zeson
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=87384938-FDB1-487B-8B03-7787996435B2@comcast.net \
--to=paulkoning@comcast.net \
--cc=gcc-patches@gcc.gnu.org \
--cc=qing.zhao@oracle.com \
/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).