From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Grundler Subject: Re: HPPA and Squeeze Date: Sat, 20 Jun 2009 17:07:51 -0600 Message-ID: <20090620230751.GC853@lackof.org> References: <20090620215719.GA853@lackof.org> <20090620222521.93CB44EF8@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Grant Grundler , kurt@roeckx.be, luk@debian.org, debian-hppa@lists.debian.org, linux-parisc@vger.kernel.org, debian-release@lists.debian.org To: John David Anglin Return-path: In-Reply-To: <20090620222521.93CB44EF8@hiauly1.hia.nrc.ca> List-ID: List-Id: linux-parisc.vger.kernel.org On Sat, Jun 20, 2009 at 06:25:20PM -0400, John David Anglin wrote: > > > I've never been able to file any (non-automated) bug report in > > > 5 minutes. And if you don't even have direct access to the > > > hardware it takes longer. > > > > I agree. I'm trying to build netgen here too and if the ICE is easy to > > reproduce, can make that available to danglin and add to the bugreport. > > There's no problem reproducing the ICE. Indeed...already failed for me. > I've pretty much localized the problem. It's a GCC middle-end bug. > The problem is in passing a complex double from a thunk. The hppa > specification says that values larger than 64 bits are passed by > reference in the 32-bit runtime. However, the value is in a pair > of registers and not copied to memory. This doesn't happen in calls > from normal functions because the value gets copied to a stack slot. I'm slightly confused about "stack slot". Could the "pass by reference" refer to the address in the stack? Anyway, thanks for quickly tracking this down. grant > > Dave > -- > J. David Anglin dave.anglin@nrc-cnrc.gc.ca > National Research Council of Canada (613) 990-0752 (FAX: 952-6602)