Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Reviewed-by: kvn

Reviewed-by: kevinw, vlivanov

Summary: Store additional information in PhiNodes corresponding to known instance field values to avoid incorrect reusage.
Reviewed-by: kvn, thartmann

Summary: Store additional information in PhiNodes corresponding to known instance field values to avoid incorrect reusage.
Reviewed-by: kvn, thartmann

Reviewed-by: vkempik, shshahma

Summary: don't convert loop with safepoint on the backedge to Counted loop
Reviewed-by: kvn

Summary: Correct backport of 8159244.
Reviewed-by: kvn

Summary: Emit release barrier after String creation to prevent partially initialized object from escaping.
Reviewed-by: kvn

Summary: Emit release barrier after String creation to prevent partially initialized object from escaping.
Reviewed-by: kvn

Reviewed-by: kvn

8055530: assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined
Summary: concurrent class loading causes return phi to become top
Reviewed-by: kvn

Reviewed-by: kvn, coleenp

Reviewed-by: kvn, mdoerr

Reviewed-by: kvn, mdoerr

Reviewed-by: stuefe, coleenp, roland

Summary: Add intrinsics for BigInteger squareToLen and mulAdd methods.
Reviewed-by: kvn, jrose

Summary: Emit CastII to make narrow ConvI2L dependent on the corresponding range check.
Reviewed-by: kvn, roland

Reviewed-by: coleenp, roland

Reviewed-by: kvn, vlivanov
Contributed-by: vlad.ureche@gmail.com

Summary: Bad rewiring of memory edges when we split unique types during EA
Reviewed-by: kvn

Reviewed-by: roland

Reviewed-by: kvn

Summary: Add a new compiler phase, PhaseRenumberLive, that renumbers live nodes.
Reviewed-by: kvn, thartmann, vlivanov, shade

Reviewed-by: kvn

Summary: Node::depends_only_on_test() should return false for Unsafe loads
Reviewed-by: kvn, adinn

Summary: CmpU needs to be reprocessed by CCP when an AddI/SubI input's input type change
Reviewed-by: mcberg, kvn, roland
Contributed-by: andreas.eriksson@oracle.com

Summary: Prevent vectorization of memory operations with different invariant offsets if unaligned memory accesses are not allowed.
Reviewed-by: kvn

Summary: C2 should not try to vectorize loops with loop variant vector base address.
Reviewed-by: kvn

Reviewed-by: kvn

Summary: check that offset % mem_oper_size == 0 when alignment is verified during vectorization.
Reviewed-by: iveresov

Summary: meet of 2 constant arrays result in bottom
Reviewed-by: kvn

Summary: Added better debug-printing support and enhanced LogCompilation tool
Reviewed-by: kvn, roland, dholmes

Summary: Check for overflow when inverting the loop during the counted loop conversion
Reviewed-by: kvn

8068915: uncommon trap w/ Reason_speculate_class_check causes performance regression due to continuous deoptimizations
Reviewed-by: kvn, roland, jrose

Reviewed-by: jrose, kvn

Reviewed-by: jrose, kvn

Summary: is_scaled_iv_plus_offset() should handle AddI nodes with scaled iv as second input.
Reviewed-by: kvn

8144487: PhaseIdealLoop::build_and_optimize() must restore major_progress flag if skip_loop_opts is true
Summary: Restore the major_progress flag before calling igvn.optimize().
Reviewed-by: kvn

8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov