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8161907: adlc: Fix crash in cisc_spill_match if _rChild == NULL

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Reviewed-by: kvn
This commit is contained in:
Goetz Lindenmaier 2016-07-20 12:34:11 +02:00
parent 3636d8f3d5
commit ad6ab85840
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/share/vm/adlc/formssel.cpp
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@ -3647,14 +3647,14 @@ int MatchNode::cisc_spill_match(FormDict& globals, RegisterForm* registers, Matc
// Check left operands // Check left operands
if( (_lChild == NULL) && (mRule2->_lChild == NULL) ) { if( (_lChild == NULL) && (mRule2->_lChild == NULL) ) {
left_spillable = Maybe_cisc_spillable; left_spillable = Maybe_cisc_spillable;
} else { } else if (_lChild != NULL) {
left_spillable = _lChild->cisc_spill_match(globals, registers, mRule2->_lChild, operand, reg_type); left_spillable = _lChild->cisc_spill_match(globals, registers, mRule2->_lChild, operand, reg_type);
} }
// Check right operands // Check right operands
if( (_rChild == NULL) && (mRule2->_rChild == NULL) ) { if( (_rChild == NULL) && (mRule2->_rChild == NULL) ) {
right_spillable = Maybe_cisc_spillable; right_spillable = Maybe_cisc_spillable;
} else { } else if (_rChild != NULL) {
right_spillable = _rChild->cisc_spill_match(globals, registers, mRule2->_rChild, operand, reg_type); right_spillable = _rChild->cisc_spill_match(globals, registers, mRule2->_rChild, operand, reg_type);
} }