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JDK-8054307 Release Note: JEP 254: Compact Strings

JDK-8054307 Integration

JDK-8054307 Remove StringCharIntrinsics flag after JDK-8138651 is fixed

JDK-8054307 Backout runtime checks in intrinsics before integration

JDK-8054307 Replace common copying loops with arraycopy/copyOf/copyOfRange

JDK-8054307 CompactStrings flag handling without extending the JVM interface

JDK-8054307 StringUTF16 should check for the maximum length

JDK-8054307 StringUTF16.(get|set)Char intrinsic should use scaled operand

JDK-8054307 String.charAt blows the MaxInlineSize limit, penalizes C1

JDK-8054307 C1 and C2 intrinsics for StringUTF16.(get|set)Char

JDK-8054307 Investigate performance regressions on Sparc

JDK-8054307 StringCoding need to be update/optimized for compact string implementation

JDK-8054307 Figure out the best code shape for a kill switch

JDK-8054307 String.coder should be final

JDK-8054307 Improve performance of string inflation on Sparc

JDK-8054307 Improve performance of string compression on Sparc

JDK-8054307 Basic string intrinsics for Sparc

JDK-8054307 Adapt C2's string concatenation optimization

JDK-8054307 Basic string intrinsics for x86