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

[Vladimir Kozlov]

Good.

Thanks,
Vladimir

On 3/25/16 6:14 AM, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8148175/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8148175
>
> 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