Date: Mon, 5 Aug 2013 21:40:10 +0200
From: Marek Polacek <polacek@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>, LKML <linux-kernel@vger.kernel.org>,
        gcc <gcc@gcc.gnu.org>, Ingo Molnar <mingo@kernel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        "H. Peter Anvin" <hpa@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        David Daney <ddaney.cavm@gmail.com>,
        Behan Webster <behanw@converseincode.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Herbert Xu <herbert@gondor.hengli.com.au>
Subject: Re: [RFC] gcc feature request: Moving blocks into sections
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On Mon, Aug 05, 2013 at 11:34:55AM -0700, Linus Torvalds wrote:
> On Mon, Aug 5, 2013 at 11:24 AM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > Ugh. I can see the attraction of your section thing for that case, I
> > just get the feeling that we should be able to do better somehow.
> 
> Hmm.. Quite frankly, Steven, for your use case I think you actually
> want the C goto *labels* associated with a section. Which sounds like
> it might be a cleaner syntax than making it about the basic block
> anyway.

FWIW, we also support hot/cold attributes for labels, thus e.g.

  if (bar ()) 
    goto A;
  /* ... */
A: __attribute__((cold))
  /* ... */

I don't know whether that might be useful for what you want or not though...

	Marek
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