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Re: gcc m68k default optimization flag

On Jun 22, 2014, at 8:08 AM, Izumi Tsutsui <> 

> martin@ wrote:
>> On Sun, Jun 22, 2014 at 11:12:08AM +0200, Martin Husemann wrote:
>>> FWIW, last I tested both macppc and mac68k kernels did not work with 4.8,
>>> I'm re-testing right now (last test probably was before the final 4.8.3
>>> import).
>> gcc 4.8.3 makes mac68k fail just the same as 4.5 now - I updated the PR
>> and looked at the code more closely, but couldn't find anything wrong.
>> Probably something smashing lwp0's stack.
> I'm afraid there are something wrong in pmap_bootstrap.c.
> I wonder if MMU is enabled or not at the point on mac68k
> and I'm not sure my changes against mac68k/pmap_bootstrap.c
> were really correct..

Explains why BookE works with gcc4.8.  I wonder if ppc_ibm4xx works.

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