asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.athrowMethod.getOffset());
asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.athrowMethod.getOffsetAsInt());
  protected final void emit_athrow() {    genParameterRegisterLoad(1);          // pass 1 parameter word    asm.emitCALL_RegDisp(JTOC, VM_Entrypoints.athrowMethod.getOffset());  }