RFR: Cleanup ASM leftovers

[Aleksey Shipilev]

On 06/13/2018 04:56 PM, Roman Kennke wrote:
> This patch removes the jmpb_if_possible() and jccb_if_possible() crap
> that we have in our ASM code, and reverts the relevant parts to upstream
> code. This is a leftover from when we tried to make barriers in locking
> code finer-grained. We now do WB wholesale before even going into that
> code, and don't need this stuff anymore.
> 
> Passes: tier3_gc_shenandoah
> 
> http://cr.openjdk.java.net/~rkennke/asmcleanup/webrev.00/

Excellent. Looks good!

-Aleksey