Summary: Use uncast node equivalence checks in CmpUNode::sub.
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Use class exactness as part of the condition for class compare optimization instead of assert.
Reviewed-by: twisti, roland

Summary: When c2 intrinsifies pow/exp, it should never inline the java implementations.
Reviewed-by: kvn

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

Summary: check for and skip diamond shaped NULL check code for the result of toString()
Reviewed-by: twisti, roland

Summary: When looking for the same value in an other register check that all parts of that register has the same value.
Reviewed-by: johnc, twisti

Summary: disable vectorization of a memory access with more elements per vector than one which is used for alignment on sparc
Reviewed-by: twisti

Reviewed-by: jrose, kvn

Summary: Arrays.copyOfRange(original, from, to) with from > original.length tries to do a copy with a negative length.
Reviewed-by: kvn, twisti

Summary: Increase vector size up to 256-bits for YMM AVX registers on x86.
Reviewed-by: never, twisti, roland

Summary: replace frequent C2 optimizer code patterns with new methods calls
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Reviewed-by: kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

Summary: keep intermediate node alive till the end of the graph construction using dummy hook node trick
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Add missing check for EncodeP node in MemNode::Ideal_common_DU_postCCP() method.
Reviewed-by: twisti

Summary: optimize this code pattern obj.getClass() == A.class.
Reviewed-by: jrose, kvn
Contributed-by: NKrystal Mok <sajia@taobao.com>

Reviewed-by: kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

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

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

Summary: When constructing input vector use type of vector's operation which use it since element's sizes should match.
Reviewed-by: never, twisti

7161796: PhaseStringOpts::fetch_static_field tries to fetch field from the Klass instead of the mirror
Reviewed-by: twisti

Reviewed-by: never, twisti
Contributed-by: nils.eliasson@oracle.com

Summary: disabling default config files if -XX:-ReadDefaultConfigFiles
Reviewed-by: phh, jrose, dcubed, dholmes

Summary: Skip only G1 cases and explicitly set global escape state in unsafe cases.
Reviewed-by: never

Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com

Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com

Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com

Summary: rewrote Connection graph construction code in EA to reduce time spent there.
Reviewed-by: never

Reviewed-by: sla, never

Summary: Allow fallback to non-intrinsic inline case
Reviewed-by: kvn, jrose, never
Contributed-by: nils.eliasson@oracle.com

Summary: Take into account only stores captured by Initialize node. Added missing check for Top input in value() methods.
Reviewed-by: never

Summary: Replace call_epilog() encoding with macroassembler use. Moved duplicated code to x86.ad. Fixed return_addr() definition.
Reviewed-by: never

Summary: For C2 moved saving EBP after ESP adjustment. For C1 generated 5 byte nop instruction first if needed.
Reviewed-by: never, twisti, azeemj

Summary: Removed code which tried to create edges from fields of destination objects of arraycopy to fields of source objects. Added 30 sec time limit for EA graph construction.
Reviewed-by: never

Summary: Adjust the assert and code in eliminate_card_mark() method for case when stored value is NULL.
Reviewed-by: iveresov, never

Summary: Changed "return false" to "return NULL"
Reviewed-by: dholmes, rottenha
Contributed-by: dbhole@redhat.com

Summary: handle not loaded array klass in Parse::do_checkcast().
Reviewed-by: kvn, never

Summary: Change InstanceKlass::_reference_type to u1 type.
Reviewed-by: dholmes, coleenp, acorn
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Block::schedule_local() may write beyond end of ready_cnt array
Reviewed-by: never, kvn

Summary: Use !higher_equal() check to skip top and values which fit.
Reviewed-by: never

Summary: Add Value() methods to short and byte Load nodes to truncate constants which does not fit.
Reviewed-by: jrose