request for review (XS): 7086394: c2/arm: enable UseFPUForSpilling

[Vladimir Kozlov]

Good.

Vladimir

Roland Westrelin wrote:
> ARM has support for moving 64bit values between a pair of integer 
> registers and a double register.
> 
> http://cr.openjdk.java.net/~roland/7086394/webrev.00/
> 
> Roland.