unsigned_4 source_addr;
              struct fifo_quadword* fq;
              int next_num;
+             int j;
 
              /* decrement NUM */
              next_num = PKE_REG_MASK_GET(me, NUM, NUM) - 1;
 
              source_addr = fq->source_address;
              /* add word offset */
-             for(i=0; i<3; i++)
-               if(operand == & fq->data[i])
-                 source_addr += sizeof(unsigned_4) * i;
+             for(j=0; j<3; j++)
+               if(operand == & fq->data[j])
+                 source_addr += sizeof(unsigned_4) * j;
 
              fq = pke_pcrel_fifo(me, i*2 + 2, & operand);
              vu_upper_opcode = *operand;