asm(mIP, mi, "cmp", 0, RA, RB);
asm(mIP, mi, "cmp", BF, RA, RB);
  final void emitCMP (int RA, int RB) {    INSTRUCTION mi = CMPtemplate | RA<<16 | RB<<11;    if (VM.TraceAssembler)      asm(mIP, mi, "cmp", 0, RA, RB);    mIP++;    mc.addInstruction(mi);  }