基于虛擬寄存器的中間語言

1、西南交通大學(xué)碩士學(xué)位論文基于虛擬寄存器的中間語言姓名：韓冬申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：李允20090301西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractInembeddedsystem，inlineassemblylanguageisoftenusedtoincreasetheefficiencyofembeddedsoftwareinsteadofhigh——levellanguagepartly，buti

2、tisnotSOportableorreadableTesolvethatproblem，onekindofintermediatelanguagebasedonvirtualregistercalledVR——ILisdesignedwithsomeconceptanddesignphilosophyofthetraditionalintermediatelanguage，anditcanbemixedwithhigh—levella

3、nguagejustlikeinlineassemblylanguageItcanbetranslatedtokindsoftargetmachinelanguagesUsingVR—IL，thedisadvantagesofinlineassemblylanguagearesurmountedwithnearlythesameruntimeefficiencyEssentially，theruntimeefficiencyisachi

4、evedwiththepriceofspaceandruntimecompilingcostOnthelevelofgrammar，VR—ILisonekindofprogramminglanguagebasedonClanguagefunctions，inotherwords，allVR—ILsentencesareintheformofCfunction，andCfunctioniSthebasiasyntacticalunitof

5、VR—ILOnthelevelofsemantics，thepurposeofVR—ILprogram’Srunningisgeneratingintermediatecode，andaccordingtoroleofcodegeneration。VR—ILsentenceissortedintotwosets：directcodegenerationsentenceandauxi1iarycodegenerationsentenceT

6、heintermediatecodepresentsthefunctionofVR—ILThereiSmaprelationshipbetweenVR—ILintermediatecodeandphysicalinstruction，andVR—ILintermediatecodeconsistsofoperationcodeandoperandjust1ikephysicalinstructionwhichiscalledvirtua

7、linstructiontobedifferentiatedfromphysicalinstructionVirtualinstructioniSusedtomaskthedifferenceofdifferenttargetarchitecture，andtheconvertingfromvirtualinstructiontophysicalinstructioniSdonebythebackendofruntimecompiler