From: Josef Wolf <jw@raven.inka.de>
To: gcc-help@gcc.gnu.org
Subject: Re: Crash when cross compiling for ARM with GCC-8-2-0 and -ftree-loop-distribute-patterns
Date: Fri, 18 Oct 2019 12:50:00 -0000 [thread overview]
Message-ID: <20191018124107.GI11171@raven.inka.de> (raw)
In-Reply-To: <c31ac218-801a-176c-6073-8d35b3e6a3f4@arm.com>
On Fri, Oct 18, 2019 at 11:25:53AM +0100, Richard Earnshaw (lists) wrote:
>
> void *
> __attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
> memset (void *s, int c, size_t n)
> {
> int i;
> for (i=0; i<n; i++)
> ((char *)s)[i] = c;
>
> return s;
> }
Wouldn't
void *memset (void *s, int c, size_t n)
{
return __builtin_memset (s, c, n);
}
be a cleaner solution to this?
Unfortunately, this compiles to a jump to itself. No matter whether I use the
-fno-builtin-memset flag or not.
--
Josef Wolf
jw@raven.inka.de
next prev parent reply other threads:[~2019-10-18 12:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 13:19 Josef Wolf
2019-10-16 13:30 ` Matthias Pfaller
2019-10-17 8:10 ` Josef Wolf
2019-10-16 18:18 ` Martin Sebor
2019-10-17 11:40 ` Josef Wolf
2019-10-17 12:37 ` Matthias Pfaller
2019-10-17 14:10 ` Josef Wolf
2019-10-17 14:55 ` Richard Earnshaw (lists)
2019-10-18 9:00 ` Josef Wolf
2019-10-18 10:26 ` Richard Earnshaw (lists)
2019-10-18 12:10 ` Josef Wolf
2019-10-18 13:07 ` Segher Boessenkool
2019-10-18 13:40 ` Josef Wolf
2019-10-18 12:50 ` Josef Wolf [this message]
2019-10-18 14:04 ` Richard Earnshaw (lists)
2019-10-18 9:10 ` Propagating addresses from linker to the runtie (was: Re: Crash when cross compiling for ARM with GCC-8-2-0 and) -ftree-loop-distribute-patterns Josef Wolf
2019-10-18 9:15 ` Propagating addresses from linker to the runtie Florian Weimer
2019-10-18 9:50 ` Josef Wolf
2019-10-18 10:47 ` Florian Weimer
2019-10-18 12:51 ` Segher Boessenkool
2019-10-18 12:56 ` Florian Weimer
2019-10-18 14:14 ` Segher Boessenkool
2019-10-18 14:34 ` Florian Weimer
2019-10-18 13:30 ` Josef Wolf
2019-10-18 14:20 ` Segher Boessenkool
2019-10-18 13:10 ` Crash when cross compiling for ARM with GCC-8-2-0 and -ftree-loop-distribute-patterns Josef Wolf
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=20191018124107.GI11171@raven.inka.de \
--to=jw@raven.inka.de \
--cc=gcc-help@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).