Mercurial > hg > graal-jvmci-8
diff src/share/vm/adlc/formssel.cpp @ 624:337400e7a5dd
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 |
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--- a/src/share/vm/adlc/formssel.cpp Fri Mar 06 21:36:50 2009 -0800 +++ b/src/share/vm/adlc/formssel.cpp Mon Mar 09 03:17:11 2009 -0700 @@ -3310,8 +3310,8 @@ static const char *needs_ideal_memory_list[] = { "StoreI","StoreL","StoreP","StoreN","StoreD","StoreF" , "StoreB","StoreC","Store" ,"StoreFP", - "LoadI" ,"LoadL", "LoadP" ,"LoadN", "LoadD" ,"LoadF" , - "LoadB" ,"LoadUS" ,"LoadS" ,"Load" , + "LoadI", "LoadUI2L", "LoadL", "LoadP" ,"LoadN", "LoadD" ,"LoadF" , + "LoadB" , "LoadUB", "LoadUS" ,"LoadS" ,"Load" , "Store4I","Store2I","Store2L","Store2D","Store4F","Store2F","Store16B", "Store8B","Store4B","Store8C","Store4C","Store2C", "Load4I" ,"Load2I" ,"Load2L" ,"Load2D" ,"Load4F" ,"Load2F" ,"Load16B" , @@ -3431,10 +3431,16 @@ const InstructForm *form2_inst = form2 ? form2->is_instruction() : NULL; const char *name_left = mRule2->_lChild ? mRule2->_lChild->_opType : NULL; const char *name_right = mRule2->_rChild ? mRule2->_rChild->_opType : NULL; + DataType data_type = Form::none; + if (form->is_operand()) { + // Make sure the loadX matches the type of the reg + data_type = form->ideal_to_Reg_type(form->is_operand()->ideal_type(globals)); + } // Detect reg vs (loadX memory) if( form->is_cisc_reg(globals) && form2_inst - && (is_load_from_memory(mRule2->_opType) != Form::none) // reg vs. (load memory) + && data_type != Form::none + && (is_load_from_memory(mRule2->_opType) == data_type) // reg vs. (load memory) && (name_left != NULL) // NOT (load) && (name_right == NULL) ) { // NOT (load memory foo) const Form *form2_left = name_left ? globals[name_left] : NULL;