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

8152773: C2: LoadNode properties aren't preserved when converting between signed/unsigned variants
Reviewed-by: jrose, kvn

8146629: Make phase->is_IterGVN() accessible from Node::Identity and Node::Value
Summary: Change arguments of Node::Identity() and Node::Value() from PhaseTransform* to PhaseGVN*.
Reviewed-by: kvn, roland

8145096: Undefined behaviour in HotSpot
Summary: Fix some integer overflows
Reviewed-by: jrose, kvn, kbarrett, adinn, iklam

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

8034812: remove IDX_INIT macro hack in Node class
Summary: The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly.
Reviewed-by: kvn, jrose, iveresov, goetz

8041415: remove port.{cpp,hpp} files
Summary: Hotspot should use standard headers and types
Reviewed-by: coleenp, kvn

8001532: C2 node files refactoring
Summary: Split C2 node files into cast, convert, countbits, intrinsic, move, narrowptr and opaquenode classes
Reviewed-by: kvn, morris

8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering
Summary: Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it.
Reviewed-by: kvn

8000805: JMM issue: short loads are non-atomic
Summary: perform transforms during IGVN phase when Load has a single user.
Reviewed-by: jrose, kvn, twisti

Merge

7199654: Remove LoadUI2LNode
Summary: Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead.
Reviewed-by: kvn

7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp

7193318: C2: remove number of inputs requirement from Node's new operator
Summary: Deleted placement new operator of Node - node(size_t, Compile *, int).
Reviewed-by: kvn, twisti
Contributed-by: bharadwaj.yadavalli@oracle.com

7069452: Cleanup NodeFlags
Summary: Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never

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

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

6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask)
Summary: Code compiled with server compiler generates an incorrect result.
Reviewed-by: cfang, never, kvn

5057225: Remove useless I2L conversions
Summary: The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn

6797305: Add LoadUB and LoadUI opcode class
Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn

6795362: 32bit server compiler leads to wrong results on solaris-x86
Summary: The C2 compiler leads to wrong results on solaris-i486 (32-bit) for a testcase given in the CR.
Reviewed-by: never, rasbold

6796746: rename LoadC (char) opcode class to LoadUS (unsigned short)
Summary: Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn

6717150: improper constant folding of subnormal strictfp multiplications and divides
Summary: suppress constant folding of double divides and multiplications on ia32
Reviewed-by: never

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

6603011: RFE: Optimize long division
Summary: Transform long division by constant into multiply
Reviewed-by: never, kvn

Initial load