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

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

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>

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

Summary: Use 3-operands SIMD instructions in C2 generated code for machines with AVX.
Reviewed-by: never

Summary: Added support for AVX extension to the x86 instruction set.
Reviewed-by: never

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
Contributed-by: NAndreas Schoesser <andreas.schoesser@sap.com>

Reviewed-by: kvn, never

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

Reviewed-by: kvn, never, jrose

Summary: Integrate bsd-port/hotspot and macosx-port/hotspot changes as of 2011.09.29.
Reviewed-by: kvn, dholmes, never, phh
Contributed-by: NChristos Zoulas &lt;christos@zoulas.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Kurt Miller &lt;kurt@intricatesoftware.com&gt;, Alexander Strange &lt;astrange@apple.com&gt;, Mike Swingler &lt;swingler@apple.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Victor Hernandez &lt;vhernandez@apple.com&gt;, Pratik Solanki <psolanki@apple.com>

Reviewed-by: never, bdelsart

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>