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8231085: C2/GC: Better GC-interface for expanding clone

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Reviewed-by: eosterlund
This commit is contained in:
Roman Kennke 2019-09-18 20:56:18 +02:00
parent b9cd2cecaa
commit 5eb643144b
4 changed files with 44 additions and 33 deletions
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16
src/hotspot/share/opto/macroArrayCopy.cpp
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@ -1093,22 +1093,8 @@ void PhaseMacroExpand::expand_arraycopy_node(ArrayCopyNode *ac) {
MergeMemNode* merge_mem = NULL;
if (ac->is_clonebasic()) {
assert (src_offset == NULL && dest_offset == NULL, "for clone offsets should be null");
Node* mem = ac->in(TypeFunc::Memory);
const char* copyfunc_name = "arraycopy";
address copyfunc_addr =
basictype2arraycopy(T_LONG, NULL, NULL,
true, copyfunc_name, true);
const TypePtr* raw_adr_type = TypeRawPtr::BOTTOM;
const TypeFunc* call_type = OptoRuntime::fast_arraycopy_Type();
Node* call = make_leaf_call(ctrl, mem, call_type, copyfunc_addr, copyfunc_name, raw_adr_type, src, dest, length XTOP);
transform_later(call);
BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
bs->clone_barrier_at_expansion(ac, call, _igvn);
bs->clone_at_expansion(this, ac);
return;
} else if (ac->is_copyof() || ac->is_copyofrange() || ac->is_cloneoop()) {
Node* mem = ac->in(TypeFunc::Memory);