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Copyright©2000ARMLimited.Allrightsreserved.ARMDDI0133AVFP10™VectorFloating-pointCoprocessor(Rev0)TechnicalReferenceManualiiCopyright©2000ARMLimited.Allrightsreserved.ARMDDI0133AVFP10VectorFloating-pointCoprocessorTechnicalReferenceManualCopyright©2000ARMLimited.Allrightsreserved.ReleaseInformationProprietaryNoticeWordsandlogosmarkedwith®or™areregisteredtrademarksortrademarksofARMLimitedintheEUandothercountries,exceptasotherwisestatedbelowinthisproprietarynotice.Otherbrandsandnamesmentionedhereinmaybethetrademarksoftheirrespectiveowners.Neitherthewholenoranypartoftheinformationcontainedin,ortheproductdescribedin,thisdocumentmaybeadaptedorreproducedinanymaterialformexceptwiththepriorwrittenpermissionofthecopyrightholder.Theproductdescribedinthisdocumentissubjecttocontinuousdevelopmentsandimprovements.AllparticularsoftheproductanditsusecontainedinthisdocumentaregivenbyARMingoodfaith.However,allwarrantiesimpliedorexpressed,includingbutnotlimitedtoimpliedwarrantiesofmerchantability,orfitnessforpurpose,areexcluded.Thisdocumentisintendedonlytoassistthereaderintheuseoftheproduct.ARMLimitedshallnotbeliableforanylossordamagearisingfromtheuseofanyinformationinthisdocument,oranyerrororomissioninsuchinformation,oranyincorrectuseoftheproduct.WherethetermARMisuseditmeans“ARMoranyofitssubsidiariesasappropriate”.ConfidentialityStatusThisdocumentisNon-Confidential.Therighttouse,copyanddisclosethisdocumentmaybesubjecttolicenserestrictionsinaccordancewiththetermsoftheagreemententeredintobyARMandthepartythatARMdeliveredthisdocumentto.ProductStatusTheinformationinthisdocumentisfinal,thatisforadevelopedproduct.WebAddress©2000ARMLimited.Allrightsreserved.iiiContentsVFP10VectorFloating-pointCoprocessorTechnicalReferenceManualPrefaceAboutthisdocument......................................................................................xFurtherreading.............................................................................................xiiFeedback.....................................................................................................xiiiChapter1Introduction1.1Overview.....................................................................................................1-21.2Vectorfloating-pointarchitecturefeatures..................................................1-31.3IEEE754compatibility................................................................................1-51.4Applications.................................................................................................1-6Chapter2Programmer’sModel2.1Theregisterfile...........................................................................................2-22.2Registerbanks............................................................................................2-52.3TheVFP10Rev0pipeline........................................................................2-132.4Implementation-specificcontrolregisters..................................................2-192.5Rationaleforimplementationchoices.......................................................2-23Chapter3Exceptions3.1Supportcode...............................................................................................3-2ContentsivCopyright©2000ARMLimited.Allrightsreserved.ARMDDI0133A3.2Exceptionprocessingforscalarandvectorinstructions.............................3-93.3Invalidoperation.......................................................................................3-143.4Divisionbyzero........................................................................................3-163.5Overflow...................................................................................................3-173.6Underflow.................................................................................................3-183.7Inexactresult............................................................................................3-193.8Inputexceptions.......................................................................................3-213.9Arithmeticexceptions...............................................................................3-23VFP10TechnicalReferenceManualGlossaryARMDDI0133ACopyright©2000ARMLimited.Allrightsreserved.vListofTablesVFP10VectorFloating-pointCoprocessorTechnicalReferenceManualChangehistory..............................................................................................................iiTable2-1Registerbankdescription..........................................................................................2-5Table2-2Single-precisionthree-operandregisterusage.........................................................2-7Table2-3Single-precisiontwo-operandregisterusage............................................................2-8Table2-4Double-precisionthree-operandregisterusage........................................................2-8Table2-5Double-precisiontwo-operandregisterusage............