hg: jdk9/hs-comp/hotspot: 8135028: support for vectorizing double precision sqrt

[vladimir.kozlov at oracle.com]

Changeset: a589f73b79f4
Author:    mcberg
Date:      2015-09-09 10:34 -0700
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/a589f73b79f4

8135028: support for vectorizing double precision sqrt
Reviewed-by: kvn, twisti

! src/cpu/x86/vm/assembler_x86.cpp
! src/cpu/x86/vm/assembler_x86.hpp
! src/cpu/x86/vm/x86.ad
! src/share/vm/adlc/formssel.cpp
! src/share/vm/opto/classes.hpp
! src/share/vm/opto/superword.cpp
! src/share/vm/opto/vectornode.cpp
! src/share/vm/opto/vectornode.hpp
+ test/compiler/loopopts/superword/SumRedSqrt_Double.java