8162338: AArch64: Intrinsify fused mac operations

[Andrew Haley]

On 26/08/16 22:21, Vladimir Kozlov wrote:
> Here is final Hotspot webrev for shared and x86 changes:
> 
> http://cr.openjdk.java.net/~kvn/8154122/webrev.03/
> 
> Please, update aarch64 changes according to it so they will be ready 
> when 8154122 is approved and pushed.

Quick review please!

http://cr.openjdk.java.net/~aph/8162338.2/

Just to save you time: the only change is to vm_version_aarch64.cpp
and globals_aarch64.hpp.  This is because Vladimir slightly changed
the way that UseFMA is declared.

Andrew.