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8230565: ZGC: Redesign C2 load barrier to expand on the MachNode level

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Co-authored-by: Per Liden <per.liden@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Reviewed-by: pliden, stefank, neliasso
This commit is contained in:
Erik Österlund 2019-10-09 12:30:06 +00:00
parent dcc9cc3fdd
commit 42885307f6
35 changed files with 1534 additions and 2861 deletions
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8
src/hotspot/share/adlc/formssel.cpp
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@ -773,11 +773,6 @@ bool InstructForm::captures_bottom_type(FormDict &globals) const {
!strcmp(_matrule->_rChild->_opType,"CheckCastPP") ||
!strcmp(_matrule->_rChild->_opType,"GetAndSetP") ||
!strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
#if INCLUDE_ZGC
!strcmp(_matrule->_rChild->_opType,"ZGetAndSetP") ||
!strcmp(_matrule->_rChild->_opType,"ZCompareAndExchangeP") ||
!strcmp(_matrule->_rChild->_opType,"LoadBarrierSlowReg") ||
#endif
#if INCLUDE_SHENANDOAHGC
!strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeP") ||
!strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeN") ||
@ -3510,9 +3505,6 @@ int MatchNode::needs_ideal_memory_edge(FormDict &globals) const {
"StoreCM",
"GetAndSetB", "GetAndSetS", "GetAndAddI", "GetAndSetI", "GetAndSetP",
"GetAndAddB", "GetAndAddS", "GetAndAddL", "GetAndSetL", "GetAndSetN",
#if INCLUDE_ZGC
"ZGetAndSetP", "ZCompareAndSwapP", "ZCompareAndExchangeP", "ZWeakCompareAndSwapP",
#endif
"ClearArray"
};
int cnt = sizeof(needs_ideal_memory_list)/sizeof(char*);