clip3.s

这是我自己写的关于H.264解码反量化(IQ)部分的ARM汇编程序.请版主给以指教,多谢!

			  AREA        Clip,CODE,READONLY
			  EXPORT      Clip3
x             RN          0
y             RN          1
z             RN          2
t             RN          3


Clip3         
              STMFD       SP!,{R4-R12,LR} 
              CMP         z,x
              MOVCC       t,x
              CMP         z,y
              MOVHI       t,y
              CMP         z,x
              CMPCS       z,y
              MOVLS       t,z              
              MOV         R0,t
              LDMFD       SP!,{R4-R12,LR}
              MOV         PC,LR
              
              END