Summary: improvements of frame_describe
Reviewed-by: never, twisti

Reviewed-by: dholmes, bdelsart, kvn, twisti

Summary: Fix exception handler stub size, enable guarantees to check for the correct deopt and exception stub sizes in the future
Reviewed-by: kvn, never, twisti

Summary: fix for debug method frame::describe
Reviewed-by: never, kvn

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

Summary: Change yank_if_dead() to recursive method to remove all dead inputs.
Reviewed-by: never

Summary: adds store store barrier after initialization of header and body of objects.
Reviewed-by: never, kvn

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: Moved sizeof(klassOopDesc), changed the return type to ByteSize and removed the _in_bytes suffix.
Reviewed-by: never, bdelsart, coleenp, jrose

Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Enable tiered compilation on server VM by default
Reviewed-by: kvn, never

Summary: allow reg_class definition as a function.
Reviewed-by: kvn, never

Reviewed-by: kvn, jrose, twisti

Reviewed-by: never, kvn

Reviewed-by: iveresov, kvn

Reviewed-by: never, bdelsart

Summary: Avoid CMove in a loop if possible. May generate CMove if it could be moved outside a loop.
Reviewed-by: never

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: Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it.
Reviewed-by: twisti

Summary: Turn on aastore profiling
Reviewed-by: jrose, twisti

Reviewed-by: kvn, never, bdelsart

Reviewed-by: jrose, twisti, kvn, coleenp

Reviewed-by: kvn, twisti

Summary: changes necessary for some JSR292 ports
Reviewed-by: jrose, dholmes

Reviewed-by: twisti, roland, kvn, iveresov

Summary: Use BIS and prefetch in arraycopy stubs for Sparc (BIS for T4 only).
Reviewed-by: never, iveresov

Reviewed-by: iveresov, kvn

Summary: Remove the macro assembler routine br_on_reg_cond() and replace the remaining calls to that routine with an equivalent.
Reviewed-by: kvn, iveresov

Summary: Replace set() with patchable_set() to generate 8 instructions always.
Reviewed-by: iveresov, never, roland

Summary: Use BIS for zeroing new allocated big (2Kb and more) objects and arrays.
Reviewed-by: never, twisti, ysr

Reviewed-by: never, kvn

Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti

Reviewed-by: kvn, never, bdelsart

Summary: Use new short branch instruction in C2 generated code.
Reviewed-by: never

Summary: replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti

Reviewed-by: kvn, twisti

Summary: Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never

Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

Summary: check for single stepping when dispatching invokes from method handles
Reviewed-by: coleenp, twisti, kvn, dsamersoff