Re: sparc64 vs. gcc 4.8

Eduardo Horvath <[email protected]>
Newsgroups gmane.os.netbsd.ports.sparc64
Message-ID <[email protected]> 
On Fri, 3 Oct 2014, Erik Fair wrote:

> The object files that differ from the same source but different compiler versions would, one hopes, constrain the bug search space.

That's probably not a good technique.  Most of the time object files have 
timestamps in them so they never compare properly.

One thing to look at is the memory synchronization/locking routines.  I 
was looking at running the kernel in RMO mode and found that the memory 
barriers used in the mutex code are just... wrong.

Eduardo
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