linked documentation about the exception handler stub calling convention with the x64 interpreter source
use ControlSinkNode (instead of subclass) when establishing a forward graph order
refactored common code in subclasses into AMD64HotSpotEpilogueOp
added compare between address and 32-bit immediate
replaced unwind_exception_call assembler stub with a compiled stub (GRAAL-81)
Merge.
removed unused import
removed instance of unwind_exception_call_id from ASSERT code
ensure frame is fully restored when unwinding to exception handler in caller's frame
removed Stub.log(...) methods
exception PC stored in thread is cleared when retrieving continuation for a return address
Fix overflow guard condition for down counted loops
Add assert in expand logic phase
added Stub.decipher() to print information about values in stubs
replaced verify_oop assembler stub with a compiled stub (GRAAL-81)
record deopts on the root method
modified PiPushable implementation for IsNullNode to account for an input that is an unsafe cast from a word value
re-enabled object verification for NewArrayStub and NewInstanceStub
replaced OSR_migration_end assembler stub with a compiled stub (GRAAL-81)
Use root method for deopt reason collecting if possible in non-graalvm
Merge