Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Mike Hommey
On Thu, Mar 07, 2013 at 11:34:30AM +0100, Mikael Pettersson wrote: > > > This test case is not self-contained. Please file a proper bug report > > > with a self-contained test case. > > > > It is, as long as you don't want to make a library or program out of it: > > > > $ arm-linux-android

Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Mikael Pettersson
Mike Hommey writes: > On Thu, Mar 07, 2013 at 11:12:40AM +0100, Mikael Pettersson wrote: > > Mike Hommey writes: > > > On Thu, Mar 07, 2013 at 01:14:03AM -0800, Andrew Pinski wrote: > > > > On Thu, Mar 7, 2013 at 12:33 AM, Mike Hommey > > wrote: > > > > > On Thu, Mar 07, 2013 at 12:28:22

Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Mike Hommey
On Thu, Mar 07, 2013 at 11:12:40AM +0100, Mikael Pettersson wrote: > Mike Hommey writes: > > On Thu, Mar 07, 2013 at 01:14:03AM -0800, Andrew Pinski wrote: > > > On Thu, Mar 7, 2013 at 12:33 AM, Mike Hommey wrote: > > > > On Thu, Mar 07, 2013 at 12:28:22AM -0800, Andrew Pinski wrote: > > > >>

Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Mikael Pettersson
Mike Hommey writes: > On Thu, Mar 07, 2013 at 01:14:03AM -0800, Andrew Pinski wrote: > > On Thu, Mar 7, 2013 at 12:33 AM, Mike Hommey wrote: > > > On Thu, Mar 07, 2013 at 12:28:22AM -0800, Andrew Pinski wrote: > > >> On Thu, Mar 7, 2013 at 12:24 AM, Mike Hommey > > >> wrote: > > >> > Hi,

Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Andrew Pinski
On Thu, Mar 7, 2013 at 12:33 AM, Mike Hommey wrote: > On Thu, Mar 07, 2013 at 12:28:22AM -0800, Andrew Pinski wrote: >> On Thu, Mar 7, 2013 at 12:24 AM, Mike Hommey wrote: >> > Hi, >> > >> > At Mozilla, we've encountered a GCC 4.6 miscompilation in the ARMv6 >> > build of Firefox for Android. We'

Re: Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Andrew Pinski
On Thu, Mar 7, 2013 at 12:24 AM, Mike Hommey wrote: > Hi, > > At Mozilla, we've encountered a GCC 4.6 miscompilation in the ARMv6 > build of Firefox for Android. We'd like to evaluate whether this bug is > hitting us in more places than the one we spotted. To that end, we'd > need to know what par

Tracking the source of an ARM miscompilation with gcc 4.6

2013-03-07 Thread Mike Hommey
Hi, At Mozilla, we've encountered a GCC 4.6 miscompilation in the ARMv6 build of Firefox for Android. We'd like to evaluate whether this bug is hitting us in more places than the one we spotted. To that end, we'd need to know what particular bug in GCC leads to this miscompilation. The attached f