RFR: unsafe oop comparison

[Zhengyu Gu]

Ouch, my eyes are really bad now :-(

http://cr.openjdk.java.net/~zgu/shenandoah/unsafe_eq/webrev.01/


-Zhengyu

On 09/22/2017 10:48 AM, Aleksey Shipilev wrote:
> On 09/22/2017 04:43 PM, Zhengyu Gu wrote:
>> Crash with -XX:+VerifyStrictOopOperations -XX:+PrintAssembly in debug build.
>>
>> Webrev: http://cr.openjdk.java.net/~zgu/shenandoah/unsafe_eq/webrev.00/
> 
> Ouch, bad typo:
> 
> 2384     if (oopDesc::unsafe_equals(0, (oop)Universe::non_oop_word())) {
>                                     ^^^--- zero!
> 
> -Aleksey
>