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comparison src/share/vm/adlc/formssel.cpp @ 624:337400e7a5dd

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6797305: Add LoadUB and LoadUI opcode class Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher. Reviewed-by: never, kvn
author twisti
date Mon, 09 Mar 2009 03:17:11 -0700
parents 98cb887364d3
children 7bb995fbd3c0
comparison
equal deleted inserted replaced
623:9adddb8c0fc8 624:337400e7a5dd
3308 3308
3309 int MatchNode::needs_ideal_memory_edge(FormDict &globals) const { 3309 int MatchNode::needs_ideal_memory_edge(FormDict &globals) const {
3310 static const char *needs_ideal_memory_list[] = { 3310 static const char *needs_ideal_memory_list[] = {
3311 "StoreI","StoreL","StoreP","StoreN","StoreD","StoreF" , 3311 "StoreI","StoreL","StoreP","StoreN","StoreD","StoreF" ,
3312 "StoreB","StoreC","Store" ,"StoreFP", 3312 "StoreB","StoreC","Store" ,"StoreFP",
3313 "LoadI" ,"LoadL", "LoadP" ,"LoadN", "LoadD" ,"LoadF" , 3313 "LoadI", "LoadUI2L", "LoadL", "LoadP" ,"LoadN", "LoadD" ,"LoadF" ,
3314 "LoadB" ,"LoadUS" ,"LoadS" ,"Load" , 3314 "LoadB" , "LoadUB", "LoadUS" ,"LoadS" ,"Load" ,
3315 "Store4I","Store2I","Store2L","Store2D","Store4F","Store2F","Store16B", 3315 "Store4I","Store2I","Store2L","Store2D","Store4F","Store2F","Store16B",
3316 "Store8B","Store4B","Store8C","Store4C","Store2C", 3316 "Store8B","Store4B","Store8C","Store4C","Store2C",
3317 "Load4I" ,"Load2I" ,"Load2L" ,"Load2D" ,"Load4F" ,"Load2F" ,"Load16B" , 3317 "Load4I" ,"Load2I" ,"Load2L" ,"Load2D" ,"Load4F" ,"Load2F" ,"Load16B" ,
3318 "Load8B" ,"Load4B" ,"Load8C" ,"Load4C" ,"Load2C" ,"Load8S", "Load4S","Load2S", 3318 "Load8B" ,"Load4B" ,"Load8C" ,"Load4C" ,"Load2C" ,"Load8S", "Load4S","Load2S",
3319 "LoadRange", "LoadKlass", "LoadNKlass", "LoadL_unaligned", "LoadD_unaligned", 3319 "LoadRange", "LoadKlass", "LoadNKlass", "LoadL_unaligned", "LoadD_unaligned",
3429 cisc_spillable = Maybe_cisc_spillable; 3429 cisc_spillable = Maybe_cisc_spillable;
3430 } else { 3430 } else {
3431 const InstructForm *form2_inst = form2 ? form2->is_instruction() : NULL; 3431 const InstructForm *form2_inst = form2 ? form2->is_instruction() : NULL;
3432 const char *name_left = mRule2->_lChild ? mRule2->_lChild->_opType : NULL; 3432 const char *name_left = mRule2->_lChild ? mRule2->_lChild->_opType : NULL;
3433 const char *name_right = mRule2->_rChild ? mRule2->_rChild->_opType : NULL; 3433 const char *name_right = mRule2->_rChild ? mRule2->_rChild->_opType : NULL;
3434 DataType data_type = Form::none;
3435 if (form->is_operand()) {
3436 // Make sure the loadX matches the type of the reg
3437 data_type = form->ideal_to_Reg_type(form->is_operand()->ideal_type(globals));
3438 }
3434 // Detect reg vs (loadX memory) 3439 // Detect reg vs (loadX memory)
3435 if( form->is_cisc_reg(globals) 3440 if( form->is_cisc_reg(globals)
3436 && form2_inst 3441 && form2_inst
3437 && (is_load_from_memory(mRule2->_opType) != Form::none) // reg vs. (load memory) 3442 && data_type != Form::none
3443 && (is_load_from_memory(mRule2->_opType) == data_type) // reg vs. (load memory)
3438 && (name_left != NULL) // NOT (load) 3444 && (name_left != NULL) // NOT (load)
3439 && (name_right == NULL) ) { // NOT (load memory foo) 3445 && (name_right == NULL) ) { // NOT (load memory foo)
3440 const Form *form2_left = name_left ? globals[name_left] : NULL; 3446 const Form *form2_left = name_left ? globals[name_left] : NULL;
3441 if( form2_left && form2_left->is_cisc_mem(globals) ) { 3447 if( form2_left && form2_left->is_cisc_mem(globals) ) {
3442 cisc_spillable = Is_cisc_spillable; 3448 cisc_spillable = Is_cisc_spillable;