genCondBranch(asm.NE, bTarget);
genCondBranch(VM_Assembler.NE, bTarget);
  protected final void emit_ifnonnull(int bTarget) {    asm.emitPOP_Reg(T0);    asm.emitTEST_Reg_Reg(T0, T0);    genCondBranch(asm.NE, bTarget);  }