From: Eli Zaretskii <eliz@gnu.org>
To: Alexander Shukaev <haroogan@gmail.com>
Cc: 18995@debbugs.gnu.org
Subject: bug#18995: Error: Could not reserve dynamic heap area.
Date: Sat, 08 Nov 2014 21:50:13 +0200 [thread overview]
Message-ID: <83vbmppj4a.fsf@gnu.org> (raw)
In-Reply-To: <CAKu-7WxtrF-HxYzJpw4vDvLp5D249JcqZ8pqq8BOWwrZnvuTLQ@mail.gmail.com>
> Date: Sat, 8 Nov 2014 20:16:19 +0100
> From: Alexander Shukaev <haroogan@gmail.com>
> Cc: 18995@debbugs.gnu.org
>
> So what, the optimized code goes only once through the loop, and then
> bails out? If so, what is the value of 'size' when the loop ends?
>
>
> OK, so there was one more detail that I forgot to mention. It looks like I also
> had "-funroll-loops". After removing it, "-O3" works fine too (without
> "volatile"). I think this is still a toolchain bug because "-O3 -funroll-loops"
> combination works fine in the x64 build and what's more important --- it
> *should* work fine. Anyway, maybe it's a good idea to somehow prevent people
> from passing "-funroll-loops" by filtering it out from "CFLAGS" in "Makefile"
> for example?
Do you understand why -funroll-loops causes the code to fail to work?
Because I cannot. Unless I'm missing something, this sounds like a
GCC bug.
next prev parent reply other threads:[~2014-11-08 19:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-08 15:22 bug#18995: Error: Could not reserve dynamic heap area Alexander Shukaev
2014-11-08 17:29 ` Eli Zaretskii
2014-11-08 18:17 ` Alexander Shukaev
2014-11-08 18:30 ` Eli Zaretskii
2014-11-08 18:40 ` Alexander Shukaev
2014-11-08 18:57 ` Eli Zaretskii
2014-11-08 19:16 ` Alexander Shukaev
2014-11-08 19:50 ` Eli Zaretskii [this message]
2014-11-08 19:58 ` Alexander Shukaev
2014-11-08 20:05 ` Eli Zaretskii
2014-11-08 20:49 ` Daniel Colascione
2014-11-09 16:12 ` Eli Zaretskii
2014-11-09 16:30 ` Andreas Schwab
2014-11-09 16:47 ` Eli Zaretskii
[not found] ` <545F94E4.5060102@dancol.org>
2014-11-09 16:30 ` Alexander Shukaev
[not found] ` <837fz4pc4o.fsf@gnu.org>
2014-11-09 16:40 ` Daniel Colascione
2014-11-09 16:35 ` Andreas Schwab
2014-11-09 16:39 ` Alexander Shukaev
2014-11-09 16:49 ` Eli Zaretskii
2014-11-09 16:53 ` Alexander Shukaev
2014-11-09 17:17 ` Eli Zaretskii
2014-11-09 17:14 ` Eli Zaretskii
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=83vbmppj4a.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=18995@debbugs.gnu.org \
--cc=haroogan@gmail.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.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.