Summary: Check for overflow cases in range checks and collapse it if we can.
Reviewed-by: jrose, iveresov

Reviewed-by: jrose, twisti

Summary: enable type speculation
Reviewed-by: kvn

Summary: favor profile data coming from outer most method
Reviewed-by: kvn, twisti

Summary: Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed

Summary: Switch off EliminateAutoBox flag by default in jdk8 release.
Reviewed-by: iveresov

Summary: Move the option to obsolete options list, purge the redundant compiler code.
Reviewed-by: kvn, jrose

Reviewed-by: kvn, iveresov

Summary: restore the flag
Reviewed-by: twisti

Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

Reviewed-by: iveresov, kvn

Summary: smaller shared changes required to build the C2 compiler on PPC64.
Reviewed-by: kvn

Summary: added ability in C2 to expand mach nodes to several mach nodes after register allocation
Reviewed-by: kvn

Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by: kvn, twisti

Summary: type information gets lost because replace_in_map() doesn't update parent maps
Reviewed-by: kvn, twisti

Reviewed-by: kvn, twisti

Summary: Lowered the MinJumpTableSize for each platform
Reviewed-by: kvn

Reviewed-by: rbackman, twisti, kvn
Contributed-by: john.r.rose@oracle.com, vladimir.x.ivanov@oracle.com

Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.).
Reviewed-by: kvn, dholmes, stefank

Summary: Replace MAX_UNROLL constant with new C2 LoopMaxUnroll flag.
Reviewed-by: roland

Summary: added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32.
Reviewed-by: dholmes, kvn

8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
Summary: Insert extra checks and bailouts for too many nodes
Reviewed-by: kvn

Summary: Resurrected autobox elimination code and enabled part of it by default.
Reviewed-by: roland, twisti

Reviewed-by: kvn, vlivanov

Summary: Add support for expensive nodes.
Reviewed-by: kvn

Summary: Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland

Summary: post parse inlining driven by number of live nodes.
Reviewed-by: twisti, kvn, jrose

Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes.
Reviewed-by: kvn, twisti, jrose, vlivanov

Summary: In case of time or iterations limit reached C2 stops EA and continue compilation without EA as it does in product VM already.
Reviewed-by: twisti

Reviewed-by: kvn, dholmes, coleenp
Contributed-by: NTao Mao <tao.mao@oracle.com>

Summary: disable vectorization of a memory access with more elements per vector than one which is used for alignment on sparc
Reviewed-by: twisti

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

Summary: Fixed vectors alignment when several arrays are accessed in one loop.
Reviewed-by: roland, twisti

Reviewed-by: kvn
Contributed-by: NAleksey Shipilev <aleksey.shipilev@oracle.com>

Summary: rewrote Connection graph construction code in EA to reduce time spent there.
Reviewed-by: never

Summary: Nested locks elimination done before lock nodes expansion by looking for outer locks of the same object.
Reviewed-by: never, twisti

Reviewed-by: kvn

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>

Summary: optimize pointers compare using EA information.
Reviewed-by: never, twisti

Summary: Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never