Mercurial > hg > graal-compiler
diff src/share/vm/opto/memnode.cpp @ 681:fbde8ec322d0
6761600: Use sse 4.2 in intrinsics
Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose
| author | cfang |
|---|---|
| date | Tue, 31 Mar 2009 14:07:08 -0700 |
| parents | 7bb995fbd3c0 |
| children | f2049ae95c3d |
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--- a/src/share/vm/opto/memnode.cpp Tue Mar 31 10:02:01 2009 -0700 +++ b/src/share/vm/opto/memnode.cpp Tue Mar 31 14:07:08 2009 -0700 @@ -2481,6 +2481,31 @@ return remove_dead_region(phase, can_reshape) ? this : NULL; } +// Do we match on this edge? No memory edges +uint StrEqualsNode::match_edge(uint idx) const { + return idx == 5 || idx == 6; +} + +//------------------------------Ideal------------------------------------------ +// Return a node which is more "ideal" than the current node. Strip out +// control copies +Node *StrEqualsNode::Ideal(PhaseGVN *phase, bool can_reshape){ + return remove_dead_region(phase, can_reshape) ? this : NULL; +} + +//============================================================================= +// Do we match on this edge? No memory edges +uint StrIndexOfNode::match_edge(uint idx) const { + return idx == 5 || idx == 6; +} + +//------------------------------Ideal------------------------------------------ +// Return a node which is more "ideal" than the current node. Strip out +// control copies +Node *StrIndexOfNode::Ideal(PhaseGVN *phase, bool can_reshape){ + return remove_dead_region(phase, can_reshape) ? this : NULL; +} + //------------------------------Ideal------------------------------------------ // Return a node which is more "ideal" than the current node. Strip out // control copies @@ -2488,7 +2513,6 @@ return remove_dead_region(phase, can_reshape) ? this : NULL; } - //============================================================================= MemBarNode::MemBarNode(Compile* C, int alias_idx, Node* precedent) : MultiNode(TypeFunc::Parms + (precedent == NULL? 0: 1)),