NIOS 2浮点定制指令

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1、UsingNiosIIFloating-PointCustomInstructionsTutorial101InnovationDriveSanJose,CA95134www.altera.comTU-N2FLTNGPNT-2.0Copyright©2010AlteraCorporation.Allrightsreserved.Altera,TheProgrammableSolutionsCompany,thestylizedAlteralogo,andspecificdevicedesignationsaretrademarksand/orservicemarksofA

2、lteraCorporationintheU.S.andothercountries.Allotherwordsandlogosidentifiedastrademarksand/orservicemarksarethepropertyofAlteraCorporationortheirrespectiveowners.AlteraproductsareprotectedundernumerousU.S.andforeignpatentsandpendingapplications,maskworkrights,andcopyrights.Alterawarrantsperf

3、ormanceofitssemiconductorproductstocurrentspecificationsinaccordancewithAltera'sstandardwarranty,butreservestherighttomakechangestoanyproductsandservicesatanytimewithoutnotice.Alteraassumesnoresponsibilityorliabilityarisingoutoftheapplicationoruseofanyinformation,product,orservicedescribedh

4、ereinexceptasexpresslyagreedtoinwritingbyAltera.Alteracustomersareadvisedtoobtainthelatestversionofdevicespecificationsbeforerelyingonanypublishedinformationandbeforeplacingordersforproductsorservices.ContentsChapter1.Floating-PointCustomInstructionsAbouttheFloating-PointCustomInstructions.

5、..............................................1–1PreparingYourSystem...................................................................1–2Prerequisites.........................................................................1–2SoftwareandHardwareRequirements.................................

6、..................1–2TutorialSoftwareFiles.................................................................1–3BuildingandProgrammingtheHardware..................................................1–3BuildingandRunningtheSoftware........................................................1–4Creatin

7、gtheSoftwareProject...........................................................1–4BuildingandRunningtheSoftwareandAnalyzingtheResults.............................1–5SoftwareImplementation..............................................................1–6Mov