AARCH64: 8064611: Changes to HotSpot shared code

[Dean Long]

On 11/18/2014 1:34 AM, Andrew Haley wrote:
> On 17/11/14 23:06, Dean Long wrote:
>> 1) I'm still hoping for an explanation of the is_last_use change in
>> c1_LinearScan.cpp
> I don't exactly know; it was a long time ago.  The reasonable thing
> for me to do is take it out and do some testing, but I am a little
> nervous about the amount of real-world testing I'd need to do to be
> sure.  I can appreciate that we don't really want to have mysteries
> like this in new code, though.
>
>> 2) Do you remember why compactingPermGenGen.o needs -O1?
> It's probably obsolete: there was a bug in amd64 which needed it, and
> the -O1 is still there in amd64.make.  There's also the NOOPT for the
> copied fdlibm routines in sharedRuntimeTrig.o: I suspect that's
> obsolete too.
>
> The right thing to do here is, I suggest, to take out both of these
> dubious fragments but be prepared to re-commit them.
That sounds good to me.

dl

> Andrew.