8136165: AARCH64: Tidy up compiled native calls Summary: Do some cleaning Reviewed-by: roland, kvn, enevill

Merge

8136820: Generate better code for some Unsafe addressing patterns Summary: reshape address computation to move invariant part out of loops Reviewed-by: kvn

8066157: JEP-JDK-8046155: Test task: method matcher Summary: MethodMatcher test and framework Reviewed-by: iignatyev, neliasso

8137020: [TESTBUG] Utils.runAndCheckException doesn't work well if no exception thrown Summary: Changed handling a case when expected exception wasn't thrown Reviewed-by: iignatyev

8136615: aarch64: elide DecodeN when followed by CmpP 0 Summary: remove DecodeN when comparing a narrow oop with 0 Reviewed-by: kvn, adinn

8136926: phi == NULL assert in PhaseIdealLoop::try_move_store_after_loop Summary: multiple phis on same slice are possible in a loop Reviewed-by: kvn, mcberg

8136596: Remove aarch64: MemBarRelease when final field's allocation is NoEscape or ArgEscape Summary: elide MemBar when AllocateNode _is_non_escaping Reviewed-by: kvn, roland Contributed-by: hui.shi@linaro.org

8136914: compiler/loopopts/superword/SumRedSqrt_Double.java times out Summary: Change test to execute only on relevant (x86-based) platforms. Reviewed-by: kvn, dlong

8080293: AARCH64: Remove unnecessary dmbs from generated CAS code Summary: The current encoding for CAS generates unnecessary leading and trailing dmbs for the MemBarAcquire and MemBarRelease which ought to be elided Reviewed-by: kvn

Merge

8136718: [TESTBUG] introduce FileInstaller functionality Reviewed-by: iignatyev

8136693: add package statement 'compiler.testlibrary' to CompilerUtils Reviewed-by: iignatyev

Merge