JDK10/RFR(M): 8164888: Intrinsify fused mac operations on SPARC.

[Patric Hedlin]

Dear all,

I would like to ask for help to review the following change/update:

Issue:    https://bugs.openjdk.java.net/browse/JDK-8164888

Webrev:   http://cr.openjdk.java.net/~neliasso/phedlin/tr8164888/

Prerequisite: https://bugs.openjdk.java.net/browse/JDK-8172231


8164888: Intrinsify fused mac operations on SPARC.

     Added C2, C1 and interpreter part of FMA support for SPARC.


Testing:

     Mostly tested on JDK9 (jtreg/RBT/hotspot/tier0-comp).
     Testing on JDK10 (jtreg/RBT/hotspot/precheckin-comp).


Best regards,
Patric