do{

     S32 x1 = (*pData--);
     S32 a = *pA;
     a+=(te*x1)>>1;
     *pA++ = a;
     S32 tmp = (a>>13) * x;
     y+=tmp;
     x = x1;

   }while(--i);


??CalcFilter_7:
        LDRSH    R12,[R0], #-2
        LDR      R6,[R2, #+0]
        MUL      R7,R12,R5
        ADD      R6,R6,R7, ASR #+1
        STR      R6,[R2], #+4
        ASR      R6,R6,#+13
        MLA      R1,R3,R6,R1
        MOV      R3,R12
        SUBS     R4,R4,#+1
        BNE      ??CalcFilter_7