Mercurial > hg > truffle
diff src/share/vm/opto/memnode.cpp @ 169:9148c65abefc
6695049: (coll) Create an x86 intrinsic for Arrays.equals
Summary: Intrinsify java/util/Arrays.equals(char[], char[])
Reviewed-by: kvn, never
| author | rasbold |
|---|---|
| date | Thu, 29 May 2008 16:22:09 -0700 |
| parents | 7793bd37a336 |
| children | 44a553b2809d |
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--- a/src/share/vm/opto/memnode.cpp Thu May 29 12:04:14 2008 -0700 +++ b/src/share/vm/opto/memnode.cpp Thu May 29 16:22:09 2008 -0700 @@ -156,7 +156,7 @@ phase->C->must_alias(adr_check, alias_idx ); // Sometimes dead array references collapse to a[-1], a[-2], or a[-3] if( !consistent && adr_check != NULL && !adr_check->empty() && - tp->isa_aryptr() && tp->offset() == Type::OffsetBot && + tp->isa_aryptr() && tp->offset() == Type::OffsetBot && adr_check->isa_aryptr() && adr_check->offset() != Type::OffsetBot && ( adr_check->offset() == arrayOopDesc::length_offset_in_bytes() || adr_check->offset() == oopDesc::klass_offset_in_bytes() || @@ -2394,6 +2394,13 @@ 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 +Node *AryEqNode::Ideal(PhaseGVN *phase, bool can_reshape){ + return remove_dead_region(phase, can_reshape) ? this : NULL; +} + //============================================================================= MemBarNode::MemBarNode(Compile* C, int alias_idx, Node* precedent)