Divide_1 testsuite fail due to a problem in the unwinding code

[Dave Korn]

On 27/01/2012 17:01, Andrew Haley wrote:
> On 01/27/2012 04:46 PM, Andreas Krebbel wrote:

>> Starting with this IRA patch:
>> http://gcc.gnu.org/ml/gcc-patches/2011-10/msg00028.html
>> __divdi3 does *not* need a stack frame at all.
>>
>> So the CFAs of __divdi3 and probe_1 are the same!
> 
> I'm confused.
> 
> But __divdi3 should have been compiled with enough unwinder data
> that it can be found; it should not matter whether __divdi3 has
> a stack frame or not.
> 
> So why doesn't __divdi3 have a CFA of its own?

  Unless I've misunderstood, it's because the CFA *is* the stack frame (base?)
pointer.

    cheers,
      DaveK