Message-ID: <1440512875.5882.16.camel@redhat.com>
Subject: Re: h8300 build failures ijn linux-next
From: Mark Salter <msalter@redhat.com>
To: Yoshinori Sato <ysato@users.sourceforge.jp>,
        Guenter Roeck <linux@roeck-us.net>
Cc: uclinux-h8-devel@lists.sourceforge.jp,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date: Tue, 25 Aug 2015 10:27:55 -0400
In-Reply-To: <8737z7nc7b.wl-ysato@users.sourceforge.jp>
References: <55DB63AC.7070305@roeck-us.net>
	 <8737z7nc7b.wl-ysato@users.sourceforge.jp>
Organization: Red Hat, Inc
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On Tue, 2015-08-25 at 14:56 +0900, Yoshinori Sato wrote:
> On Tue, 25 Aug 2015 03:34:20 +0900,
> Guenter Roeck wrote:
> > 
> > Hi,
> > 
> > In linux-next as of today (0824), all h8300 builds fail for me with an 
> > internal
> > compiler error.
> > 
> > Building h8300:allnoconfig ... failed
> > --------------
> > Error log:
> > 
> > In file included from include/linux/rcupdate.h:429:0,
> >                  from include/linux/rcusync.h:5,
> >                  from kernel/rcu/sync.c:1:
> > include/linux/rcutiny.h: In function ‘rcu_barrier_sched’:
> > include/linux/rcutiny.h:55:20: internal compiler error: Segmentation 
> > fault
> >  static inline void rcu_barrier_sched(void)
> >                     ^
> > 
> > I tried both gcc 5.1 and 5.2, built with the patch set available to me.
> > 
> > Is there a more recent compiler / patch set available that might fix 
> > the problem ?
> > 
> 
> No.
> I tried gcc 6.0. It got same error.
> It looks optimization problem on h8300 target.
> I will investigate it.

I get the same ICE with c6x gcc 5.1

> > Thanks,
> > Guenter
> 

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