8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

Reviewed-by: kvn, iveresov

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

Summary: type methods shouldn't always operate on speculative part
Reviewed-by: kvn, twisti

Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti

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

Summary: Also introduces the compiler oracle 'option' feature for PrintAssembly.
Reviewed-by: kvn

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

Summary: Make all raw loads strictly respect control dependencies, make sure RCE doesn't move raw loads, add verification of G1 pre-barriers.
Reviewed-by: kvn, roland

Reviewed-by: kvn, iveresov

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

8026959: assert(!n->pinned() || n->is_MachConstantBase()) failed: only pinned MachConstantBase node is expected here
Reviewed-by: iveresov, roland

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

Reviewed-by: kvn, twisti

Summary: use adr_at() to access inline info structures in growableArray. Add ability to specify print inlining per method.
Reviewed-by: twisti

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

Summary: Create public methods for accessing the nodes in a block
Reviewed-by: kvn, roland

Reviewed-by: coleenp, mgerdin, hseigel

Summary: public methods that don't need to be public should be private.
Reviewed-by: kvn, twisti

Summary: Hide private node to block mapping using public interface
Reviewed-by: kvn, 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

Reviewed-by: acorn, coleenp, sla
Contributed-by: NKaren Kinnear &lt;karen.kinnear@oracle.com&gt;, Bengt Rutisson &lt;bengt.rutisson@oracle.com&gt;, Calvin Cheung &lt;calvin.cheung@oracle.com&gt;, Erik Gahlin &lt;erik.gahlin@oracle.com&gt;, Erik Helin &lt;erik.helin@oracle.com&gt;, Jesper Wilhelmsson &lt;jesper.wilhelmsson@oracle.com&gt;, Keith McGuigan &lt;keith.mcguigan@oracle.com&gt;, Mattias Tobiasson &lt;mattias.tobiasson@oracle.com&gt;, Markus Gronlund &lt;markus.gronlund@oracle.com&gt;, Mikael Auno &lt;mikael.auno@oracle.com&gt;, Nils Eliasson &lt;nils.eliasson@oracle.com&gt;, Nils Loodin &lt;nils.loodin@oracle.com&gt;, Rickard Backman &lt;rickard.backman@oracle.com&gt;, Staffan Larsen &lt;staffan.larsen@oracle.com&gt;, Stefan Karlsson &lt;stefan.karlsson@oracle.com&gt;, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

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

Reviewed-by: kvn, roland
Contributed-by: niclas.adlertz@oracle.com

Summary: Add the -Wunused-function flag and remove a number of unused functions.
Reviewed-by: dholmes, coleenp, kvn

Summary: 7121140 may not correctly break the Allocate -> MemBarStoreStore link
Reviewed-by: kvn

Reviewed-by: kvn, vlivanov

Summary: Use 0 to indicate id is NA, -1 for error or uninitalized
Reviewed-by: kvn, twisti

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

Summary: Check all print inlining flags when processing inlining list.
Reviewed-by: kvn, twisti
Contributed-by: david.r.chase@oracle.com

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

Summary: collection of small changes to prepare for incremental inlining.
Reviewed-by: twisti, kvn

Reviewed-by: kvn

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

8000623: tools/javac/Diagnostics/6769027/T6769027.java crashes in PSPromotionManager::copy_to_survivor_space
Summary: Fix type of method pointer load from vtable.
Reviewed-by: twisti, johnc, roland

Summary: Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead.
Reviewed-by: kvn

Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti

Summary: add LogCompilation support in C1 - both client and tiered mode.
Reviewed-by: twisti, kvn

Summary: Deleted placement new operator of Node - node(size_t, Compile *, int).
Reviewed-by: kvn, twisti
Contributed-by: bharadwaj.yadavalli@oracle.com

Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: Njmasa &lt;jon.masamitsu@oracle.com&gt;, stefank &lt;stefan.karlsson@oracle.com&gt;, mgerdin &lt;mikael.gerdin@oracle.com&gt;, never <tom.rodriguez@oracle.com>