RFR (XS): 8201167: Remove MacroAssembler::cmp_heap_oop on x86

[Thomas Schatzl]

Hi,

On Thu, 2018-04-05 at 10:09 +0200, Erik Österlund wrote:
> Hi,
> 
> The MacroAssembler::cmp_heap_oop member function on x86 is not
> currently used anywhere in hotspot. Moreover, it is no longer safe to
> use it with modern GCs using load barriers. Since it is unsafe to use
> and is not used today, it should be removed.
> 
> Webrev:
> http://cr.openjdk.java.net/~eosterlund/8201167/webrev.00/
> 
> Thanks,
> /Erik

  looks good.

Thomas