[aarch64-port-dev ] SPECjvm2008 derby gives SIGBUS with -XX:+TieredCompilation

[Andrew Haley]

On 01/21/2014 11:17 AM, Andrew Haley wrote:
> On 01/21/2014 10:57 AM, Andrew Dinn wrote:
>> The second one uses a stlxr which sets w8, compares w8 against zr and
>> then branches on the resulting flag. So, will the first one not suffer a
>> spurious failure when the top half of x8 is non-zero? Whereas the second
>> one will always get the correct result?
> 
> Could be.  It's a trivial fix that should be made.

FWIW, I'm pretty sure that the bus error gets triggered by the stack
bang.

Andrew.