[9] RFR (XS): 8148175: C1: G1 barriers don't preserve FP registers

Vladimir Ivanov vladimir.x.ivanov at oracle.com
Fri Mar 25 13:14:10 UTC 2016


G1 pre/post barriers in C1 don't preserve FP registers in some cases.

The fix is to save all live registers before doing a call into the VM.

Testing: regression test, JPRT, RBT (hs-nightly-comp).

Best regards,
Vladimir Ivanov

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