[13] RFR (S): 8218163: C2: Continuous deoptimization w/ Reason_speculate_class_check and Action_none

Vladimir Ivanov vladimir.x.ivanov at oracle.com
Thu Jan 31 19:46:08 UTC 2019


Guarded inlining doesn't take recompilation count into account when 
decided whether to issue an uncommon trap or virtual call on slow path.
But it may end up as uncommon trap with Action_none when recompilation 
count is too high.

The fix is to consider both trap & recompilation counts when making the 

Testing: hs-precheckin-comp, tier1-5

Best regards,
Vladimir Ivanov

More information about the hotspot-compiler-dev mailing list