what is it mean

yuanpin318

Any one knows what it mean?

__asm void jump_pc (int data, int reg_addr, int pc_addr)
{
   //Jump to SRAM location.
   //B.W R0
   //mov r14, 0x20000000;
   LDR.W PC,[R2];
   nop;
   nop;
   BX lr

}