8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86
Reviewed-by: kvn

8171974: Fix for R10 Register clobbering with usage of ExternalAddress
Reviewed-by: kvn, rbackman

8170430: x86 pow() stub from Intel libm is inconsistent with pow() from fdlib
Summary: do not use libm stubs when InlineIntrinsics switched off
Reviewed-by: kvn

8165381: Update for x86 SHA512 using AVX2
Summary: Add intrinsics for x86 AVX2 architecture with no SHA instructions.
Reviewed-by: kvn
Contributed-by: smita.kamath@intel.com

8078122: YMM registers upper 128 bits may get clobbered by a JNI call on windows
Summary: Convert all XMM registers to be Save-on-Call on Win64.
Reviewed-by: kvn
Contributed-by: kishor.kharbas@intel.com

8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Summary: skip unwalkable frames in
Reviewed-by: fparain, coleenp, aph

8154473: Update for CompilerDirectives to control stub generation and intrinsics
Summary: Use -XX:DisableIntrinsic flag to control intrinsics usage in Interpreter.
Reviewed-by: twisti, neliasso, kvn, simonis

Merge

Merge

8151268: Wire up the x86 _vectorizedMismatch stub routine in C1
Reviewed-by: kvn

8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
Reviewed-by: stuefe, dholmes

8156066: Backout JDK-8153892
Reviewed-by: coleenp, mikael

8153892: Handle unsafe access error directly in signal handler instead of going through a stub
Reviewed-by: stuefe, dholmes

8154495: SHA256 AVX2 intrinsic (when no supports_sha() available)
Reviewed-by: kvn

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

8153967: Remove top.hpp
Reviewed-by: coleenp, jwilhelm

8152354: Update for x86 AES CBC Decryption
Summary: 4 way parallel version for key sizes 192 and 256 for 64 bit and for key sizes 128, 192 and 256 for 32 bit.
Reviewed-by: kvn

8151002: Make Assembler methods vextract and vinsert match actual instructions
Reviewed-by: kvn, vlivanov, mcberg

8150767: Enables SHA Extensions on x86
Summary: Add x86 intrinsics for SHA-1 and SHA-256.
Reviewed-by: kvn, twisti
Contributed-by: vivek.r.deshpande@intel.com, shravya.rukmannagari@intel.com

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

8146581: Minor corrections to the patch submitted for earlier bug id - 8143925
Reviewed-by: kvn
Contributed-by: kishor.kharbas@intel.com

8143925: Enhancing CounterMode.crypt() for AES
Summary: Add intrinsic for CounterMode.crypt() to leverage the parallel nature of AES in Counter(CTR) Mode.
Reviewed-by: kvn, ascarpino
Contributed-by: kishor.kharbas@intel.com

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

Merge

8144771: Use AVX3 instructions for string compare
Reviewed-by: kvn, thartmann
Contributed-by: jan.civlin@intel.com, michael.c.berg@intel.com

8143355: Update for addition of vectorizedMismatch intrinsic for x86
Reviewed-by: kvn
Contributed-by: vivek.r.deshpande@intel.com, liqi.yi@intel.com

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

8142980: SKX SpecJvm2008 - Derby
Summary: Fix EVEX and AVX512 problems found by testing on 64-bit SKX and KNL EVEX enabled platforms.
Reviewed-by: iveresov, kvn, vlivanov

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

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

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

8134553: CRC32C implementations for x86/x64 targets
Reviewed-by: kvn
Contributed-by: tomasz.wojtowicz@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

8072817: CardTableExtension kind() should be BarrierSet::CardTableExtension
Summary: Use BarrierSet::CardTableForRS where needed, and update concrete bs tags.
Reviewed-by: jwilhelm, jmasa

8133646: Internal Error: x86/vm/macroAssembler_x86.cpp:886 DEBUG MESSAGE: StubRoutines::call_stub: threads must correspond
Reviewed-by: kvn, coleenp, dcubed

Merge

8130150: Implement BigInteger.montgomeryMultiply intrinsic
Summary: Add montgomeryMultiply intrinsics
Reviewed-by: kvn

8081247: AVX 512 extended support
Summary: add more support for EVEX encoding
Reviewed-by: kvn, neliasso

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose

8081778: Use Intel x64 CPU instructions for RSA acceleration
Summary: Add intrinsics for BigInteger squareToLen and mulAdd methods.
Reviewed-by: kvn, jrose

8076276: Add support for AVX512
Reviewed-by: kvn, roland
Contributed-by: michael.c.berg@intel.com

8078113: 8011102 changes may cause incorrect results
Summary: replace Vzeroupper instruction in stubs with zeroing only used ymm registers.
Reviewed-by: kvn
Contributed-by: sandhya.viswanathan@intel.com

8067891: Remove vestigal G1SATBCT barrier set kind
Summary: Remove all case statements specifying G1SATBCT
Reviewed-by: tschatzl, kbarrett

8069016: Add BarrierSet downcast support
Summary: Add FakeRttiSupport utility and use to provide barrier_set_cast.
Reviewed-by: jmasa, sangheki

8058255: Native jbyte Atomic::cmpxchg for supported x86 platforms
Summary: Use the native cmpxchgb instruction on x86.
Reviewed-by: dholmes, kbarrett, phh
Contributed-by: erik.osterlund@lnu.se

8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland

8002074: Support for AES on SPARC
Summary: Add intrinsics/stub routines support for single-block and multi-block (as used by Cipher Block Chaining mode) AES encryption and decryption operations on the SPARC platform.
Reviewed-by: kvn, roland
Contributed-by: shrinivas.joshi@oracle.com

8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank

Merge

8020433: Crash when using -XX:+RestoreMXCSROnJNICalls
Summary: remove StubRoutines::x86::_mxcsr_std and use StubRoutines::_mxcsr_std
Reviewed-by: jrose

8016697: Use stubs to implement safefetch
Summary: Implement Safefetch as stub routines. This reduces compiler and os dependencies.
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

8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
Reviewed-by: dholmes, coleenp
Contributed-by: jeremymanson@google.com, calvin.cheung@oracle.com

8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy
Summary: Changed gen_write_ref_array_post_barrier() code on x64 to pass start address and number of copied oop elements. In generate_checkcast_copy() skip post barrier code if no elements are copied.
Reviewed-by: roland

8011102: Clear AVX registers after return from JNI call
Summary: Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors.
Reviewed-by: roland

8005544: Use 256bit YMM registers in arraycopy stubs on x86
Summary: Use YMM registers in arraycopy and array_fill stubs.
Reviewed-by: roland, twisti

8004835: Improve AES intrinsics on x86
Summary: Enable AES intrinsics on non-AVX cpus, group together aes instructions in crypto stubs.
Reviewed-by: roland, twisti

Merge

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

8003935: Simplify the needed includes for using Thread::current()
Reviewed-by: dholmes, rbackman, coleenp

7184394: add intrinsics to use AES instructions
Summary: Use new x86 AES instructions for AESCrypt.
Reviewed-by: twisti, kvn, roland
Contributed-by: tom.deneau@amd.com

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

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>

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

7147740: add assertions to check stack alignment on VM entry from generated code (x64)
Summary: check stack alignment on VM entry on x64.
Reviewed-by: kvn, never

7144405: JumbleGC002 assert(m->offset() == pc_offset) failed: oopmap not found
Summary: oop map needs pc stored in frame anchor in StubGenerator::generate_throw_exception()
Reviewed-by: twisti, never, kvn

7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
Summary: unaligned stack in throw_NullPointerException_at_call_entry().
Reviewed-by: twisti, never, kvn

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

7116216: StackOverflow GC crash
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

7110489: C1: 64-bit tiered with ForceUnreachable: assert(reachable(src)) failed: Address should be reachable
Reviewed-by: kvn, iveresov, twisti

7003454: order constants in constant table by number of references in code
Reviewed-by: kvn, never, bdelsart

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>

7088020: SEGV in JNIHandleBlock::release_block
Reviewed-by: kvn, twisti

7055355: JSR 292: crash while throwing WrongMethodTypeException
Reviewed-by: jrose, twisti, bdelsart

7026307: DEBUG MESSAGE: broken null klass on amd64
Summary: Correct typo introduces in 7020521
Reviewed-by: never, kvn

6741940: Nonvolatile XMM registers not preserved across JNI calls
Summary: Save xmm6-xmm15 in call stub on win64
Reviewed-by: kvn, never

6627983: G1: Bad oop deference during marking
Summary: Bulk zeroing reduction didn't work with G1, because arraycopy would call pre-barriers on uninitialized oops. The solution is to have version of arraycopy stubs that don't have pre-barriers. Also refactored arraycopy stubs generation on SPARC to be more readable and reduced the number of stubs necessary in some cases.
Reviewed-by: jrose, kvn, never

7020521: arraycopy stubs place prebarriers incorrectly
Summary: Rearranged the pre-barrier placement in arraycopy stubs so that they are properly called in case of chained calls. Also refactored the code a little bit so that it looks uniform across the platforms and is more readable.
Reviewed-by: never, kvn

6998985: faulty generic arraycopy on windows x86_64: 4th arg overwritten with oop
Reviewed-by: kvn, never

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

4809552: Optimize Arrays.fill(...)
Reviewed-by: kvn

6958254: -XX:+VerifyOops is broken on x86
Summary: save and restore r10 in verify_oop().
Reviewed-by: never

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

6943304: remove tagged stack interpreter
Reviewed-by: coleenp, never, gbenson

6940701: Don't align loops in stubs for Niagara sparc
Summary: Don't align loops in stubs for Niagara sparc since NOPs are expensive.
Reviewed-by: twisti, never

6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
Summary: Passing a null pointer to an InvokeDynamic function call should lead to a NullPointerException.
Reviewed-by: kvn, never

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

6918006: G1: spill space must be reserved on the stack for barrier calls on Windows x64
Summary: Stub code generated to call G1 barriers does not allocate spill space on the stack as required by Windows x64 ABI. The fix is to use more ABI-friendly call_VM_leaf().
Reviewed-by: iveresov, never, kvn

6849984: Value methods for platform dependent math functions constant fold incorrectly
Reviewed-by: kvn, twisti

6829192: JSR 292 needs to support 64-bit x86
Summary: changes for method handles and invokedynamic
Reviewed-by: kvn

6700789: G1: Enable use of compressed oops with G1 heaps
Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp

6822204: volatile fences should prefer lock:addl to actual mfence instructions
Reviewed-by: kvn, phh

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

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

6532536: Optimize arraycopy stubs for Intel cpus
Summary: Use SSE2 movdqu in arraycopy stubs on newest Intel's cpus
Reviewed-by: rasbold

Merge

Merge

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

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

6717457: Internal Error (src/share/vm/code/relocInfo.hpp:1089)
Reviewed-by: kvn

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

6689060: Escape Analysis does not work with Compressed Oops
Summary: 64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)
Reviewed-by: never, sgoldman

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

6664627: Merge changes made only in hotspot 11 forward to jdk 7
Reviewed-by: jcoomes

Initial load