8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
8182656: Make the required changes in GC code to build on OSX 10 + Xcode 8
8182657: Make the required changes in Runtime code to build on OSX 10 + Xcode 8
8182658: Make the required changes in Compiler code to build on OSX 10 + Xcode 8
Reviewed-by: jwilhelm, ehelin, phh
Contributed-by: phh <hohensee@amazon.com>, jwilhelm <jesper.wilhelmsson@oracle.com>

8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, psandoz, coleenp, iklam, stefank, simonis
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>, Christian Thalinger <cthalinger@twitter.com>, Dean Long <dean.long@oracle.com>, Dmitrij Pochepko <dmitrij.pochepko@oracle.com>, Dmitry Chuyko <dmitry.chuyko@oracle.com>, Doug Simon <doug.simon@oracle.com>, Eric Caspole <eric.caspole@oracle.com>, Igor Ignatyev <igor.ignatyev@oracle.com>, Igor Veresov <igor.veresov@oracle.com>, John Rose <john.r.rose@oracle.com>, Morris Meyer <morris.meyer@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Rickard Backman <rickard.backman@oracle.com>

8159611: C2: ArrayCopy elimination skips required parameter checks
Reviewed-by: kvn, zmajo, thartmann

8160591: Improve internal array handling
Reviewed-by: kvn
Contributed-by: Xiang Yuan <xiang.yuan@linaro.org>, Zoltan Majo <zoltan.majo@oracle.com>

8154122: Intrinsify fused mac operations
Summary: added FMA intrinsics on x86
Reviewed-by: kvn, aph, darcy

Merge

8152907: Update for x86 tan and log10 in the math lib
Summary: Optimize Math.tan() and log10() for 64 and 32 bit X86 architecture using Intel LIBM implementation.
Reviewed-by: kvn, twisti
Contributed-by: shravya.rukmannagari@intel.com

8147844: new method j.l.Runtime.onSpinWait() and the corresponding x86 hotspot instrinsic
Summary: adds c1 & c2 x86 intrinsics for j.l.Runtime.onSpinWait() that utilize the PAUSE instruction
Reviewed-by: iveresov, kvn
Contributed-by: Ivan Krylov <ivan@azul.com>, Yuri Gaevsky <ygaevsky@azul.com>

8152358: code and comment cleanups found during the hunt for 8077392
Reviewed-by: gthornbr, kvn, cvarming

8143353: update for x86 sin and cos in the math lib
Summary: Optimize Math.sin() and cos() for 64 and 32 bit X86 architecture using Intel LIBM implementation.
Reviewed-by: kvn

8145688: Update for x86 pow in the math lib
Summary: Optimizes Math.pow() for 64 and 32 bit X86 architecture using Intel LIBM implementation.
Reviewed-by: kvn
Contributed-by: vivek.r.deshpande@intel.com

8046936: JEP 270: Reserved Stack Areas for Critical Sections
Reviewed-by: acorn, dcubed

8138892: C1: Improve counter overflow checking
Reviewed-by: iveresov, goetz, twisti, vlivanov

Merge

8140779: Code generation fixes for avx512
Summary: Assembler refactoring. Abstract away instruction attributes.
Reviewed-by: kvn, roland, iveresov
Contributed-by: michael.c.berg@intel.com

Merge

8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

Merge

8139040: Fix initializations before ShouldNotReachHere() etc. and enable -Wuninitialized on linux.
Reviewed-by: stuefe, coleenp, roland

8139575: Update for x86 log in the math lib
Summary: Add new java.lang.Math() intrinsics from x86
Reviewed-by: kvn, iveresov
Contributed-by: vivek.r.deshpande@intel.com

Merge

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

8132207: update for x86 exp in the math lib
Summary: Add new java.lang.Math() intrinsics from x86
Reviewed-by: kvn, iveresov
Contributed-by: vivek.r.deshpande@intel.com

8132160: support for AVX 512 call frames and stack management
Summary: simplify save/restore frame on x86 systems which support EVEX.
Reviewed-by: kvn, iveresov

8131682: C1 should use multibyte nops everywhere
Reviewed-by: dlong, goetz, adinn, aph, vlivanov

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david

7143664: Clean up OrderAccess implementations and usage
Summary: Clarify and correct the abstract model for memory barriers provided by the orderAccess class. Refactor the implementations using template specialization to allow the bulk of the code to be shared, with platform specific customizations applied as needed.
Reviewed-by: acorn, dcubed, dholmes, dlong, goetz, kbarrett, sgehwolf
Contributed-by: Erik Osterlund <erik.osterlund@lnu.se>

8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
Reviewed-by: kvn, vlivanov

8062370: Various minor code improvements
Summary: A lot of fixes useful to improve the code quality.
Reviewed-by: coleenp, dholmes

8046684: sharedRuntime.cpp...assert(((nmethod*)cb)->is_at_poll_or_poll_return(pc)) failed: safepoint polling: type must be poll
Summary: Emit a poll relocation for the testl in is_polling_page_far() on x86
Reviewed-by: vlivanov, roland

8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by: twisti, kvn

8039043: Implicit null check is in the wrong place in C1 -UseCompressedOops
Summary: Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off
Reviewed-by: roland, vlivanov, kvn

8031203: remove SafepointPollOffset
Reviewed-by: kvn, roland

8028764: dtrace/hotspot_jni/ALL/ALL001 crashes the vm on Solaris-amd64, SIGSEGV in MarkSweep::follow_stack()+0x8a
Summary: C1 generates code to encode compressed oop into tmp register before runtime call for patching where GC may happen
Reviewed-by: iveresov, twisti, kvn
Contributed-by: mgerdin <mikael.gerdin@oracle.com>

8026495: JVM Crashes when started with -XX:+DTraceMethodProbes on Solaris x86_64
Summary: Fix wrong calling convention in LIR_Assembler::emit_unwind_handler(), T_METADATA support in calling convention generator, C1 register allocator
Reviewed-by: twisti, jrose

8008242: VerifyOops is broken on SPARC
Summary: Fixed displacement issues in SPARC macroassembler and ensure that getClass intrinsic temporary result is T_METADATA
Reviewed-by: kvn, twisti

8023657: New type profiling points: arguments to call
Summary: x86 interpreter and c1 type profiling for arguments at calls
Reviewed-by: kvn, twisti

Merge

8023542: Test java/io/File/CheckPermission.java fails due to unfinished recursion (java.lang.StackOverflowError) when JIT'ed code (-client,-server) is running
Summary: Move null check before klass reference materialization in checkcast
Reviewed-by: kvn, roland

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
Summary: Do patching rather bailing out for unlinked call with appendix
Reviewed-by: twisti, kvn

7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test
Reviewed-by: kvn, twisti

7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>

8003240: x86: move MacroAssembler into separate file
Reviewed-by: kvn

Merge

7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti

8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn

7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Summary: use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose

7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
Summary: C1 needs knowledge of T_METADATA at the LIR level.
Reviewed-by: kvn, coleenp

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
Reviewed-by: kvn

7133857: exp() and pow() should use the x87 ISA on x86
Summary: use x87 instructions to implement exp() and pow() in interpreter/c1/c2.
Reviewed-by: kvn, never, twisti

6924259: Remove String.count/String.offset
Summary: Allow a version of String class that doesn't have count and offset fields.
Reviewed-by: never, coleenp

7160539: JDeveloper crashes on 64-bit Windows
Summary: x64 C1 needs to zero upper 32bits when doing l2i conversion
Reviewed-by: never, kvn

7120481: storeStore barrier in constructor with final field
Summary: Issue storestore barrier before constructor return if the constructor write final field.
Reviewed-by: dholmes, jrose, roland, coleenp
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

7131288: COMPILE SKIPPED: deopt handler overflow (retry at different tier)
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

Merge

7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
Summary: Moved sizeof(klassOopDesc), changed the return type to ByteSize and removed the _in_bytes suffix.
Reviewed-by: never, bdelsart, coleenp, jrose

7117052: instanceKlass::_init_state can be u1 type
Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

7083786: dead various dead chunks of code
Reviewed-by: iveresov, kvn

7047491: C1: registers saved incorrectly when calling checkcast_arraycopy stub
Summary: Save and restore the argument registers around the call to checkcast_arraycopy
Reviewed-by: never, roland

7046893: LP64 problem with double_quadword in c1_LIRAssembler_x86.cpp
Summary: Fixed invalid casts in address computation
Reviewed-by: kvn, never
Contributed-by: thomas.salter@unisys.com

7035713: 3DNow Prefetch Instruction Support
Summary: The upcoming processors from AMD are the first that support 3dnow prefetch without supporting the 3dnow instruction set.
Reviewed-by: kvn
Contributed-by: tom.deneau@amd.com

7033154: Improve C1 arraycopy performance
Summary: better static analysis. Take advantage of array copy stubs.
Reviewed-by: never

7032388: guarantee(VM_Version::supports_cmov()) failed: illegal instruction on i586 after 6919934
Summary: 6919934 added some unguarded cmov instructions which hit a guarantee on older hardware.
Reviewed-by: never, iveresov, kvn, phh

6964776: c2 should ensure the polling page is reachable on 64 bit
Summary: Materialize the pointer to the polling page in a register instead of using rip-relative addressing when the distance from the code cache is larger than disp32.
Reviewed-by: never, kvn

7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
Reviewed-by: never, bdelsart

7010618: C1: array length should be treated at int on 64bit during array allocation
Summary: Sign-extend the length argument during array allocation
Reviewed-by: never, kvn

7009231: C1: Incorrect CAS code for longs on SPARC 32bit
Summary: Fix CAS of longs on SPARC 32bit and cmove on SPARC 64bit.
Reviewed-by: kvn

7005241: C1: SEGV in java.util.concurrent.LinkedTransferQueue.xfer() with compressed oops
Summary: Implementation of the CAS primitive for x64 compressed oops was incorrect. It kills rscratch2 register (r11), which is allocatable in C1. Also, we don't need to restore cmpval as it's never used after that, so we need only one temporary register, which can be scratch1.
Reviewed-by: kvn, never

7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
Summary: C1 with profiling doesn't check whether the MDO has been really allocated, which can silently fail if the perm gen is full. The solution is to check if the allocation failed and bailout out of inlining or compilation.
Reviewed-by: kvn, never

6985015: C1 needs to support compressed oops
Summary: This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered.
Reviewed-by: twisti, kvn, never, phh

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

6991512: G1 barriers fail with 64bit C1
Summary: Fix compare-and-swap intrinsic problem with G1 post-barriers and issue with branch ranges in G1 stubs on sparc
Reviewed-by: never, kvn

Merge

6988018: dtrace/hotspot/MethodInvocation/MethodInvocation002 crashes with client compiler
Reviewed-by: iveresov, kvn, kamg

6988779: c1_LIRAssembler_x86.cpp crashes VS2010 compiler
Summary: The workaround changes the scope of the variable
Reviewed-by: phh, ysr, kvn

6919069: client compiler needs to capture more profile information for tiered work
Summary: Added profiling of instanceof and aastore.
Reviewed-by: kvn, jrose, never

6984056: C1: incorrect code for integer constant addition on x64
Summary: Fix add/sub of constants to ints on x64
Reviewed-by: kvn

6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

Merge

6955349: C1: Make G1 barriers work with x64
Summary: This fixes G1 barriers in c1 on x64.
Reviewed-by: never

6930772: JSR 292 needs to support SPARC C1
Summary: C1 for SPARC needs to support JSR 292.
Reviewed-by: never, jrose

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

Merge

6888953: some calls to function-like macros are missing semicolons
Reviewed-by: pbk, kvn

6946892: c1 shouldn't sign-extend to upper 32bits on x64
Summary: c1 does sign-extension when it loads ints and shorts from memory to 64-bit registers. This causes problems for c2 because it relies on the fact the int passed in a 64-bit register is zero-extended.
Reviewed-by: never

6939930: exception unwind changes in 6919934 hurts compilation speed
Reviewed-by: twisti

6942223: c1 64 bit fixes
Summary: This fixes lir_cmp_l2i on x64 and sparc 64bit, and the debug info generation.
Reviewed-by: never

6934966: JSR 292 add C1 logic for saved SP over MethodHandle calls
Summary: The logic for x86 C1 to save the SP over MH calls is pretty straight forward but SPARC handles that differently.
Reviewed-by: never, jrose

6932496: c1: deoptimization of jsr subroutine fails on sparcv9
Summary: store jsr ret bci as intptr constant in c1 debug info
Reviewed-by: never

6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn

Merge

6923002: assert(false,"this call site should not be polymorphic")
Summary: Clear the total count when a receiver information is cleared.
Reviewed-by: never, jrose

Merge

6902182: 4/4 Starting with jdwp agent should not incur performance penalty
Summary: Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations.
Reviewed-by: never, kvn, dcubed
Contributed-by: tom.deneau@amd.com

6614597: Performance variability in jvm2008 xml.validation
Summary: Fix incorrect marking of methods as not compilable.
Reviewed-by: never

6921352: JSR 292 needs its own deopt handler
Summary: We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not.
Reviewed-by: never, jrose

6921339: backout 6917766
Reviewed-by: mr

6917766: JSR 292 needs its own deopt handler
Summary: We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not.
Reviewed-by: never, jrose

6769124: various 64-bit fixes for c1
Reviewed-by: never

6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr

6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
Summary: Cache Jvmti and DTrace flags used by Compiler.
Reviewed-by: never

Merge

6813212: factor duplicated assembly code for general subclass check (for 6655638)
Summary: Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.
Reviewed-by: kvn

Merge

6812678: macro assembler needs delayed binding of a few constants (for 6655638)
Summary: minor assembler enhancements preparing for method handles
Reviewed-by: kvn

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

6787106: Hotspot 32 bit build fails on platforms having different definitions for intptr_t & int32_t
Summary: Avoid casting between int32_t and intptr_t specifically for MasmAssembler::movptr in 32 bit platforms.
Reviewed-by: jrose, kvn

6746320: Hotspot regression test for 6512111 fails in -Xmixed mode
Reviewed-by: kvn

5108146: Merge i486 and amd64 cpu directories
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose

Initial load