Re: 回复： please help understanding what's the relationship of hotspot compiler c1 and c2 ？

[Andrew Haley]

On 02/11/16 09:40, 恶灵骑士 wrote:
> which method processes 'volatile' operations like method do_StoreField in  src/share/vm/c1/c1_LIRGenerator.cpp?

It's done in line 1771:

   if (is_volatile && os::is_MP()) {
    __ membar_release();
  }

and 1793:

  if (!support_IRIW_for_not_multiple_copy_atomic_cpu && is_volatile && os::is_MP()) {
    __ membar();
  }

Andrew.