git: openjdk/jdk: 8278868: Add x86 vectorization support for Long.bitCount()

[Sandhya Viswanathan]

Changeset: c4518e25
Author:    Vamsi Parasa <srinivas.vamsi.parasa at intel.com>
Committer: Sandhya Viswanathan <sviswanathan at openjdk.org>
Date:      2022-01-11 18:47:42 +0000
URL:       https://git.openjdk.java.net/jdk/commit/c4518e257c1680a6cdb80b7e177d01700ea2c54e

8278868: Add x86 vectorization support for Long.bitCount()

Reviewed-by: jbhateja, sviswanathan, kvn

! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/assembler_x86.hpp
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/share/adlc/formssel.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/vectornode.cpp
! src/hotspot/share/opto/vectornode.hpp
! src/hotspot/share/runtime/vmStructs.cpp
+ test/hotspot/jtreg/compiler/vectorization/TestPopCountVectorLong.java
+ test/micro/org/openjdk/bench/vm/compiler/VectorBitCount.java