public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "19373742 at buaa dot edu.cn" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/111734] New: wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-omit-frame-pointer -fno-toplevel-reorder -fno-tree-fre'
Date: Mon, 09 Oct 2023 10:02:35 +0000	[thread overview]
Message-ID: <bug-111734-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111734

            Bug ID: 111734
           Summary: wrong code with '-O3 -fno-inline-functions-called-once
                    -fno-inline-small-functions -fno-omit-frame-pointer
                    -fno-toplevel-reorder -fno-tree-fre'
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 19373742 at buaa dot edu.cn
  Target Milestone: ---

Created attachment 56077
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56077&action=edit
The preprocessed file

*******************************************************************************
OS and Platform:
Ubuntu 20.04.4 LTS
*******************************************************************************
gcc version:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/home/ctc/gcc-releases/gcc-14/bin/gcc
COLLECT_LTO_WRAPPER=/home/ctc/gcc-releases/gcc-14/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/cuisk/ctc/gcc-releases/gcc-14
--disable-multilib --enable-language=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20231008 (experimental) (GCC) 
*******************************************************************************
Command Lines:
$ /home/ctc/gcc-releases/gcc-14/bin/gcc -O3 -fno-inline-functions-called-once
-fno-inline-small-functions -fno-omit-frame-pointer -fno-toplevel-reorder
-fno-tree-fre -I /home/ctc/csmith/include/csmith-2.3.0/ a.c -o w

$ ./w
checksum = DD7E999B

$ /home/ctc/gcc-releases/gcc-14/bin/gcc -I
/home/ctc/csmith/include/csmith-2.3.0/ a.c -o w

$ ./w
checksum = A876723F

             reply	other threads:[~2023-10-09 10:02 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-09 10:02 19373742 at buaa dot edu.cn [this message]
2023-10-09 10:03 ` [Bug c/111734] " 19373742 at buaa dot edu.cn
2023-10-09 12:42 ` 19373742 at buaa dot edu.cn
2023-10-10  2:38 ` [Bug tree-optimization/111734] [14 Regression] " pinskia at gcc dot gnu.org
2023-10-17 13:11 ` rguenth at gcc dot gnu.org
2023-10-31  3:27 ` sjames at gcc dot gnu.org
2023-10-31  5:19 ` sjames at gcc dot gnu.org
2023-10-31  6:27 ` [Bug tree-optimization/111734] [14 Regression] wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-omit-frame-pointer -fno-toplevel-reorder -fno-tree-fre' since r14-3226-gd073e2d75d9ed4 sjames at gcc dot gnu.org
2023-10-31  7:43 ` rguenth at gcc dot gnu.org

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=bug-111734-4@http.gcc.gnu.org/bugzilla/ \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.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 read-only IMAP folder(s) and NNTP newsgroup(s).