RFR: 8187227: Zero should use compiler built-ins for atomics on linux-m68k

[John Paul Adrian Glaubitz]

On 11/21/2017 01:02 PM, John Paul Adrian Glaubitz wrote:
> I have just talked to Andreas Schwab, a colleague of mine at SUSE, who
> has been working on the Linux m68k stuff for a long time. According to
> him, the compiler built-ins didn't exist back then for m68k which is why
> the platform-specific functions exist in OpenJDK. They do now, however.
> 
> I'll just remove them for m68k and test if that works as expected. If
> yes, we should change this changeset to do that instead of fixing the
> platform-specific functions.

I have updated the webrev now accordingly and pushed it to [1].

The build and run-test is currently pending (still building), but since
libjvm.so already compiled successfully, I am 99% confident the change
is correct as is.

Thanks,
Adrian

> [1] http://cr.openjdk.java.net/~glaubitz/8187227/webrev.03/

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 .''`.  John Paul Adrian Glaubitz
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