Reviewed-by: kvn

Reviewed-by: kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

Summary: increase precision on x86 for the steps of the computation of exp and pow.
Reviewed-by: kvn

Reviewed-by: kvn

Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.
Reviewed-by: roland, bdelsart, kamg

Summary: bad test for parity of y in pow(x,y) (c1, interpreter)
Reviewed-by: kvn, twisti

Summary: use x87 instructions to implement exp() and pow() in interpreter/c1/c2.
Reviewed-by: kvn, never, twisti

Summary: Allow a version of String class that doesn't have count and offset fields.
Reviewed-by: never, coleenp

Summary: x64 C1 needs to zero upper 32bits when doing l2i conversion
Reviewed-by: never, kvn

Reviewed-by: kvn, iveresov

Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com

Summary: Object pointer is pushed more than once on stack, where GC doesn't expect it.
Reviewed-by: coleenp, kvn
Contributed-by: axel.siebenborn@sap.com

Reviewed-by: kvn, twisti

Reviewed-by: kvn

7148486: At a method handle call returning with an exception may call the runtime with misaligned stack (x64)
Summary: stack must be realigned when calling the runtime for exception propagation at a call.
Reviewed-by: kvn, never

Summary: check stack alignment on VM entry on x64.
Reviewed-by: kvn, never

Summary: Issue storestore barrier before constructor return if the constructor write final field.
Reviewed-by: dholmes, jrose, roland, coleenp
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Change OSThread to use mach thread_t
Reviewed-by: phh, dcubed

Summary: Replace call_epilog() encoding with macroassembler use. Moved duplicated code to x86.ad. Fixed return_addr() definition.
Reviewed-by: never

Summary: In vm_version_x86.hpp, add and use CPU_MODEL_IVYBRIDGE_EP, and restrict is_intel_tsc_synced_at_init() to EP models.
Reviewed-by: kvn, acorn

Summary: For C2 moved saving EBP after ESP adjustment. For C1 generated 5 byte nop instruction first if needed.
Reviewed-by: never, twisti, azeemj

Reviewed-by: kvn, twisti

Summary: oop map needs pc stored in frame anchor in StubGenerator::generate_throw_exception()
Reviewed-by: twisti, never, kvn

Summary: Increase StackShadowPages to accomodate the JDK changes to increase buffer size in socketWrite
Reviewed-by: acorn, phh

Reviewed-by: kvn, never

Summary: unaligned stack in throw_NullPointerException_at_call_entry().
Reviewed-by: twisti, never, kvn

Reviewed-by: twisti
Contributed-by: NVolker Simonis <volker.simonis@gmail.com>

Reviewed-by: kvn

Summary: Fix pure c2 builds
Reviewed-by: kvn, brutisso, never

Summary: improvements of TraceMethodHandles for JSR292
Reviewed-by: never, twisti

Summary: Change InstanceKlass::_reference_type to u1 type.
Reviewed-by: dholmes, coleenp, acorn
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

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: Setup thread register in MacroAssembler::incr_allocated_bytes() on x64
Reviewed-by: kvn

Summary: Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
Contributed-by: karen.kinnear@oracle.com

Summary: Distance is too large for one short branch in string_indexofC8().
Reviewed-by: iveresov

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