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8232896: ZGC: Enable C2 clone intrinsic

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Reviewed-by: pliden, kvn
This commit is contained in:
Nils Eliasson 2019-10-31 17:16:36 +01:00
parent 55f7c48828
commit 3ca7e3f6ff
13 changed files with 94 additions and 21 deletions
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4
src/hotspot/share/opto/macroArrayCopy.cpp
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@ -505,7 +505,7 @@ Node* PhaseMacroExpand::generate_arraycopy(ArrayCopyNode *ac, AllocateArrayNode*
// We don't need a subtype check for validated copies and Object[].clone()
bool skip_subtype_check = ac->is_arraycopy_validated() || ac->is_copyof_validated() ||
ac->is_copyofrange_validated() || ac->is_cloneoop();
ac->is_copyofrange_validated() || ac->is_clone_oop_array();
if (!skip_subtype_check) {
// Get the klass* for both src and dest
Node* src_klass = ac->in(ArrayCopyNode::SrcKlass);
@ -1096,7 +1096,7 @@ void PhaseMacroExpand::expand_arraycopy_node(ArrayCopyNode *ac) {
BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
bs->clone_at_expansion(this, ac);
return;
} else if (ac->is_copyof() || ac->is_copyofrange() || ac->is_cloneoop()) {
} else if (ac->is_copyof() || ac->is_copyofrange() || ac->is_clone_oop_array()) {
Node* mem = ac->in(TypeFunc::Memory);
merge_mem = MergeMemNode::make(mem);
transform_later(merge_mem);