public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/49723] gcc.c-torture/compile/pr46934.c: ICE in do_SUBST, at combine.c:707 at -O1 and above
Date: Wed, 13 Jul 2011 10:49:00 -0000	[thread overview]
Message-ID: <bug-49723-4-RspydJkcsN@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-49723-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49723

--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-13 10:49:16 UTC ---
> Indeed, (const_int 2147483648 [0x80000000]) isn't valid for SImode, it should
> be (const_int -2147483648 [0x80000000]) as RTL constants are always
> sign-extended for their mode.

Actually (const_int -2147483648 [0xFFFFFFFF80000000]) on a 64-bit host.


  parent reply	other threads:[~2011-07-13 10:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 23:17 [Bug middle-end/49723] New: " danglin at gcc dot gnu.org
2011-07-13  0:20 ` [Bug middle-end/49723] " danglin at gcc dot gnu.org
2011-07-13  1:10 ` danglin at gcc dot gnu.org
2011-07-13  8:24 ` rguenth at gcc dot gnu.org
2011-07-13 10:35 ` ebotcazou at gcc dot gnu.org
2011-07-13 10:49 ` ebotcazou at gcc dot gnu.org [this message]
2011-07-13 15:26 ` [Bug target/49723] " danglin at gcc dot gnu.org
2011-07-15 18:12 ` danglin at gcc dot gnu.org
2011-07-15 18:13 ` danglin at gcc dot gnu.org
2011-07-15 18:15 ` danglin at gcc dot gnu.org
2011-07-16 18:34 ` danglin at gcc dot gnu.org
2011-07-16 18:40 ` danglin 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-49723-4-RspydJkcsN@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).