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7054512: Compress class pointers after perm gen removal

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Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2012-10-09 10:11:38 +02:00
parent 7162ad011c
commit 61eb5a0549
93 changed files with 1600 additions and 497 deletions
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23
hotspot/src/share/vm/adlc/formssel.cpp
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@ -746,14 +746,16 @@ int InstructForm::memory_operand(FormDict &globals) const {
// Expected use is for pointer vs oop determination for LoadP
bool InstructForm::captures_bottom_type(FormDict &globals) const {
if( _matrule && _matrule->_rChild &&
(!strcmp(_matrule->_rChild->_opType,"CastPP") || // new result type
!strcmp(_matrule->_rChild->_opType,"CastX2P") || // new result type
!strcmp(_matrule->_rChild->_opType,"DecodeN") ||
!strcmp(_matrule->_rChild->_opType,"EncodeP") ||
!strcmp(_matrule->_rChild->_opType,"LoadN") ||
!strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
!strcmp(_matrule->_rChild->_opType,"LoadNKlass") ||
!strcmp(_matrule->_rChild->_opType,"CreateEx") || // type of exception
(!strcmp(_matrule->_rChild->_opType,"CastPP") || // new result type
!strcmp(_matrule->_rChild->_opType,"CastX2P") || // new result type
!strcmp(_matrule->_rChild->_opType,"DecodeN") ||
!strcmp(_matrule->_rChild->_opType,"EncodeP") ||
!strcmp(_matrule->_rChild->_opType,"DecodeNKlass") ||
!strcmp(_matrule->_rChild->_opType,"EncodePKlass") ||
!strcmp(_matrule->_rChild->_opType,"LoadN") ||
!strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
!strcmp(_matrule->_rChild->_opType,"LoadNKlass") ||
!strcmp(_matrule->_rChild->_opType,"CreateEx") || // type of exception
!strcmp(_matrule->_rChild->_opType,"CheckCastPP")) ) return true;
else if ( is_ideal_load() == Form::idealP ) return true;
else if ( is_ideal_store() != Form::none ) return true;
@ -2452,6 +2454,7 @@ void OperandForm::format_constant(FILE *fp, uint const_index, uint const_type) {
switch(const_type) {
case Form::idealI: fprintf(fp,"st->print(\"#%%d\", _c%d);\n", const_index); break;
case Form::idealP: fprintf(fp,"_c%d->dump_on(st);\n", const_index); break;
case Form::idealNKlass:
case Form::idealN: fprintf(fp,"_c%d->dump_on(st);\n", const_index); break;
case Form::idealL: fprintf(fp,"st->print(\"#%%lld\", _c%d);\n", const_index); break;
case Form::idealF: fprintf(fp,"st->print(\"#%%f\", _c%d);\n", const_index); break;
@ -3390,7 +3393,7 @@ void MatchNode::output(FILE *fp) {
int MatchNode::needs_ideal_memory_edge(FormDict &globals) const {
static const char *needs_ideal_memory_list[] = {
"StoreI","StoreL","StoreP","StoreN","StoreD","StoreF" ,
"StoreI","StoreL","StoreP","StoreN","StoreNKlass","StoreD","StoreF" ,
"StoreB","StoreC","Store" ,"StoreFP",
"LoadI", "LoadUI2L", "LoadL", "LoadP" ,"LoadN", "LoadD" ,"LoadF" ,
"LoadB" , "LoadUB", "LoadUS" ,"LoadS" ,"Load" ,
@ -3947,6 +3950,8 @@ int MatchRule::is_expensive() const {
strcmp(opType,"ConvL2I")==0 ||
strcmp(opType,"DecodeN")==0 ||
strcmp(opType,"EncodeP")==0 ||
strcmp(opType,"EncodePKlass")==0 ||
strcmp(opType,"DecodeNKlass")==0 ||
strcmp(opType,"RoundDouble")==0 ||
strcmp(opType,"RoundFloat")==0 ||
strcmp(opType,"ReverseBytesI")==0 ||