RFR(m): 8221734: Deoptimize with handshakes
robbin.ehn at oracle.com
Mon May 20 09:04:59 UTC 2019
Hi all, please see this update v4.
I have fixed the simplification Patricio talked about and David's nit.
The interesting part is now the full diff of bias locking cpp file:
It's very clean.
I have seen no issues in T1-7, KS and other assorted testing.
On 2019-04-25 14:05, Robbin Ehn wrote:
> Hi all, please review.
> Let's deopt with handshakes.
> Removed VM op Deoptimize, instead we handshake.
> Locks needs to be inflate since we are not in a safepoint.
> Goes on top of:
> Passes t1-7 and multiple t1-5 runs.
> A few startup benchmark see a small speedup.
> Thanks, Robbin
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