git: openjdk/jdk: 8282664: Unroll by hand StringUTF16 and StringLatin1 polynomial hash loops

[Claes Redestad]

Changeset: e37078f5
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2023-01-17 21:06:22 +0000
URL:       https://git.openjdk.org/jdk/commit/e37078f5bb626c7ce0348a38bb86ca2ca62ba915

8282664: Unroll by hand StringUTF16 and StringLatin1 polynomial hash loops

Co-authored-by: Sandhya Viswanathan <sviswanathan at openjdk.org>
Co-authored-by: Ludovic Henry <luhenry at openjdk.org>
Co-authored-by: Claes Redestad <redestad at openjdk.org>
Reviewed-by: vlivanov, sviswanathan, luhenry

! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/stubRoutines_x86.cpp
! src/hotspot/cpu/x86/stubRoutines_x86.hpp
! src/hotspot/cpu/x86/vm_version_x86.cpp
! src/hotspot/cpu/x86/x86_64.ad
! src/hotspot/share/adlc/formssel.cpp
! src/hotspot/share/classfile/vmIntrinsics.cpp
! src/hotspot/share/classfile/vmIntrinsics.hpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/opto/c2compiler.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/escape.cpp
! src/hotspot/share/opto/intrinsicnode.cpp
! src/hotspot/share/opto/intrinsicnode.hpp
! src/hotspot/share/opto/lcm.cpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/library_call.hpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/runtime/globals.hpp
! src/java.base/share/classes/java/lang/StringLatin1.java
! src/java.base/share/classes/java/lang/StringUTF16.java
! src/java.base/share/classes/java/lang/System.java
! src/java.base/share/classes/java/util/Arrays.java
! src/java.base/share/classes/jdk/internal/access/JavaLangAccess.java
! src/java.base/share/classes/jdk/internal/util/ArraysSupport.java
+ test/jdk/java/lang/String/HashCode.java
+ test/jdk/java/util/Arrays/HashCode.java
! test/jdk/javax/net/ssl/SSLEngine/Arrays.java
! test/micro/org/openjdk/bench/java/lang/StringHashCode.java
+ test/micro/org/openjdk/bench/java/util/ArraysHashCode.java