Summary: Added asm encoding and mach nodes for vector arithmetic instructions on x86.
Reviewed-by: roland

7185550: TEST: runtime/7020373/Test7020373.sh fails because there is no test/runtime/7020373/testcase.jar
Reviewed-by: coleenp

Reviewed-by: kamg

Reviewed-by: kamg, coleenp, ctornqvi

Reviewed-by: sspitsyn, dholmes, coleenp, kamg

Summary: When c2 intrinsifies pow/exp, it should never inline the java implementations.
Reviewed-by: kvn

Reviewed-by: coleenp, mgronlun, rbackman

Summary: check for and skip diamond shaped NULL check code for the result of toString()
Reviewed-by: twisti, roland

Summary: Arrays.copyOfRange(original, from, to) with from > original.length tries to do a copy with a negative length.
Reviewed-by: kvn, twisti

Summary: forgot to hg add it
Reviewed-by: pbk, kamg, dlong, kvn, fparain

Summary: Increase vector size up to 256-bits for YMM AVX registers on x86.
Reviewed-by: never, twisti, roland

Summary: Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance
Reviewed-by: pbk, kamg, dlong, kvn, fparain

Summary: keep intermediate node alive till the end of the graph construction using dummy hook node trick
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Added test that checks humongous object allocation path also check the heap occupancy and initiate a marking cycle when / if needed.
Reviewed-by: brutisso, jwilhelm

Reviewed-by: kvn

Summary: Added missing double format to Flag::print_as_flag()
Reviewed-by: dholmes, stefank, coleenp

Summary: add missing copyright notes to the regression test file.
Reviewed-by: twisti, johnc

Summary: When constructing input vector use type of vector's operation which use it since element's sizes should match.
Reviewed-by: never, twisti

Summary: Allow only current and super invokespecials of <init>
Reviewed-by: never, coleenp, dcubed

Reviewed-by: dholmes, kamg

Summary: disabling default config files if -XX:-ReadDefaultConfigFiles
Reviewed-by: phh, jrose, dcubed, dholmes

Reviewed-by: brutisso, sla, mgerdin

Summary: Detect cygwin prescence when setting up PLATFORM. Translate cygwin style paths before passing them on to jtreg.
Reviewed-by: jcoomes, brutisso

Summary: Ended up checking in FieldMonitor.java as TestPostFieldModification.java
Reviewed-by: kamg

Summary: Object pointer is pushed more than once on stack, where GC doesn't expect it.
Reviewed-by: coleenp, kvn
Contributed-by: axel.siebenborn@sap.com

Summary: Add an internal testing API to HotSpot to enable more targeted testing of vm functionality
Reviewed-by: phh, dholmes

Reviewed-by: twisti
Contributed-by: NVolker Simonis <volker.simonis@gmail.com>

Summary: too optimistic inlining decision confuses local value numbering.
Reviewed-by: never

Summary: Compare uncasted object nodes.
Reviewed-by: never

Summary: Leave i_o attached to slow allocation call when there are no i_o users after the call.
Reviewed-by: iveresov, twisti

Summary: In CEE, ensure if and common successor state are at the same inline level
Reviewed-by: never

Summary: GC crash for explicit stack overflow checks after a C2I transition.
Reviewed-by: coleenp, never
Contributed-by: yang02.wang@sap.com, bertrand.delsart@oracle.com

Summary: Use -Xss224k instead of -Xss128k.
Reviewed-by: never

Summary: arrayOopDesc::max_array_length() should return a value that does not overflow a size_t if it is converted to bytes.
Reviewed-by: kvn, dholmes

Reviewed-by: iveresov, kvn

Summary: replace the call to memmove by a simple copy loop
Reviewed-by: dholmes, kvn, never
Contributed-by: axel.siebenborn@sap.com, volker.simonis@gmail.com

Summary: Instruction countTrailingZerosL() should use iRegIsafe dst register since it is used in long arithmetic.
Reviewed-by: never, twisti

Summary: Retry the call to fast_exception_handler_bci_for() after it returned with a pending exception. Don't cache the exception handler pc computed by compute_compiled_exc_handler() if the handler is for another (nested) exception.
Reviewed-by: kamg, kvn
Contributed-by: volker.simonis@gmail.com

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>

Reviewed-by: coleenp, minqi