src/share/vm/opto/addnode.cpp
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src/share/vm/opto/addnode.cpp

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rev 10168 : 8003585: strength reduce or eliminate range checks for power-of-two sized arrays
Summary: change ((x & m) u<= m) to always true and ((x & (m - 1)) u< m) into (m > 0)
Reviewed-by: kvn, roland
rev 10222 : 8149745: C2 should optimize long accumulations in a counted loop
summary: Look for parallel iv for long adds
Reviewed-by:

*** 232,241 **** --- 232,251 ---- if( t2->higher_equal( zero ) ) return t1; return NULL; } + AddNode* AddNode::make(BasicType bt, Node *in1, Node *in2) { + switch(bt) { + case T_INT: return new AddINode(in1, in2); + case T_LONG: return new AddLNode(in1, in2); + case T_FLOAT: return new AddFNode(in1, in2); + case T_DOUBLE: return new AddDNode(in1, in2); + } + fatal("Bad basic type %s", type2name(bt)); + return NULL; + } //============================================================================= //------------------------------Idealize--------------------------------------- Node *AddINode::Ideal(PhaseGVN *phase, bool can_reshape) { Node* in1 = in(1);
src/share/vm/opto/addnode.cpp
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