RFR: 8218767: ZGC: Do not assume that r12 is a special register in C2
rkennke at redhat.com
Wed Feb 20 11:08:21 UTC 2019
Looks ok to me.
> Updated version rebased on top of JDK-8217909 (which Roman will push
> On 2/19/19 2:40 PM, Per Liden wrote:
>> The C2 load barrier code for ZGC assumes that r12 is not used as a
>> general purpose register. However, JDK-8217909 might change that, so
>> ZGC should not be making this assumption.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8218767
>> Webrev: http://cr.openjdk.java.net/~pliden/8218767/webrev.0
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