int mi = LWZtemplate  | RT<<21 | RA<<16 | (D&0xFFFF); mIP++; mc.addInstruction(mi);
_emitLWZ (RT, D&0xFFFF, RA);
  public final void emitLWZ (int RT, int D, int RA) {    if (VM.VerifyAssertions) VM._assert(fits(D, 16));    int mi = LWZtemplate  | RT<<21 | RA<<16 | (D&0xFFFF);    mIP++;    mc.addInstruction(mi);  }