RFR (S): 8031203: remove SafepointPollOffset

Wed Mar 12 04:38:12 UTC 2014

https://bugs.openjdk.java.net/browse/JDK-8031203
http://cr.openjdk.java.net/~twisti/8031203

8031203: remove SafepointPollOffset
Reviewed-by:

SafepointPollOffset is only used in C1 because of JDK-4986249 which was never reproducible with C2. 

This seems to be an architecture anomaly and confined to certain chip versions. An old comment of JDK-4986249 mentions "some P4's". Running on any newer chips doesn't show that behavior. I suggest to remove that option.

CCC request was filed and approved.

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