RFR (S) 8240070: Shenandoah: remove obsolete ShenandoahCommonGCStateLoads

Aleksey Shipilev shade at redhat.com
Wed Feb 26 09:38:21 UTC 2020


RFE:
  https://bugs.openjdk.java.net/browse/JDK-8240070

This is the leftover of the older experiment that optimized the frequently emitted barriers. With
the switch to LRB and questionable performance improvements (sometimes hijacked by elevated register
pressure), it makes less sense to keep the option exposed and C2 code more complicated.

Removal webrev:
  https://cr.openjdk.java.net/~shade/8240070/webrev.01/

Testing: hotspot_gc_shenandoah {fastdebug,release}

-- 
Thanks,
-Aleksey



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