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

Summary: Breakpoint needs to do 64-bit compare for pointers on sparcv9
Reviewed-by: coleenp, never
Contributed-by: dean.long@oracle.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>

7147064: assert(allocates2(pc)) failed: not in CodeBuffer memory: 0xffffffff778d9d60 <= 0xffffffff778da69c
Summary: Increase size of deopt_blob and uncommon_trap_blob by size of stack bang code (SPARC).
Reviewed-by: azeemj, iveresov, never, phh

7147064: assert(allocates2(pc)) failed: not in CodeBuffer memory: 0xffffffff778d9d60 <= 0xffffffff778da69c
Summary: Increase size of deopt_blob and uncommon_trap_blob by size of stack bang code (SPARC).
Reviewed-by: azeemj, iveresov, never, phh

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

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

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

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: Disable verify_heapbase on sparc if TraceBytecodes because the latter uses r12 as a temp register
Reviewed-by: coleenp, phh
Contributed-by: NVolker Simonis <volker.simonis@gmail.com>