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8074981: Integer/FP scalar reduction optimization

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Add scalar reduction optimization to C2 to take advantage of vector instructions in modern x86 CPUs.

Reviewed-by: kvn, twisti
This commit is contained in:
Michael C Berg 2015-04-01 18:07:50 -07:00 • committed by Vladimir Kozlov
parent 7c5d30b0e3
commit 9e55e44c85
22 changed files with 1599 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/runtime/vmStructs.cpp
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@ -1982,13 +1982,18 @@ typedef CompactHashtable<Symbol*, char> SymbolCompactHashTable;
declare_c2_type(PowDNode, Node) \
declare_c2_type(ReverseBytesINode, Node) \
declare_c2_type(ReverseBytesLNode, Node) \
declare_c2_type(ReductionNode, Node) \
declare_c2_type(VectorNode, Node) \
declare_c2_type(AddVBNode, VectorNode) \
declare_c2_type(AddVSNode, VectorNode) \
declare_c2_type(AddVINode, VectorNode) \
declare_c2_type(AddReductionVINode, ReductionNode) \
declare_c2_type(AddVLNode, VectorNode) \
declare_c2_type(AddReductionVLNode, ReductionNode) \
declare_c2_type(AddVFNode, VectorNode) \
declare_c2_type(AddReductionVFNode, ReductionNode) \
declare_c2_type(AddVDNode, VectorNode) \
declare_c2_type(AddReductionVDNode, ReductionNode) \
declare_c2_type(SubVBNode, VectorNode) \
declare_c2_type(SubVSNode, VectorNode) \
declare_c2_type(SubVINode, VectorNode) \
@ -1997,8 +2002,11 @@ typedef CompactHashtable<Symbol*, char> SymbolCompactHashTable;
declare_c2_type(SubVDNode, VectorNode) \
declare_c2_type(MulVSNode, VectorNode) \
declare_c2_type(MulVINode, VectorNode) \
declare_c2_type(MulReductionVINode, ReductionNode) \
declare_c2_type(MulVFNode, VectorNode) \
declare_c2_type(MulReductionVFNode, ReductionNode) \
declare_c2_type(MulVDNode, VectorNode) \
declare_c2_type(MulReductionVDNode, ReductionNode) \
declare_c2_type(DivVFNode, VectorNode) \
declare_c2_type(DivVDNode, VectorNode) \
declare_c2_type(LShiftVBNode, VectorNode) \