[PATCH] openjdk/zero: only use FPU opcodes if FPU is available (original) (raw)
Gary Benson gbenson at redhat.com
Wed Jun 23 02:22:33 PDT 2010
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Sebastian Andrzej Siewior wrote:
* Gary Benson | 2010-06-23 09:29:21 [+0100]: > Basically, if you just want to run stuff then it's ok to bypass > that piece of assembler, but if you want to certify the builds > for whatever reason then you will need to figure out some other > way to do a 64-bit atomic copy.
Is it garanteed that the adress I'm reading from and writing to is properly aligned on a 64bit address boundary?
Not sure. I guess that's a question for one of the HotSpot guys: are long and double fields 64-bit aligned on 32-bit machines? Or, if not, is it possible to make them be?
> > > Have you signed the SCA? If so I can (or you can) make a > > > webrev for this and submit it for inclusion. > > > > I haven't. > > Are you able to sign it?
I clicked that link but I ended somewhere at oracle.com with 404.
So it does. Maybe someone from Oracle could point you to the correct page?
Cheers, Gary
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