text: /*
   * Tiny Code Generator for QEMU
   *
   * Copyright (c) 2008 Fabrice Bellard
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #ifndef TCG_MO_H
  #define TCG_MO_H
  
  typedef enum {
      /* Used to indicate the type of accesses on which ordering
         is to be ensured.  Modeled after SPARC barriers.
  
         This is of the form TCG_MO_A_B where A is before B in program order.
      */
      TCG_MO_LD_LD = 0x01,
      TCG_MO_ST_LD = 0x02,
      TCG_MO_LD_ST = 0x04,
      TCG_MO_ST_ST = 0x08,
      TCG_MO_ALL = 0x0F, /* OR of the above */
  
      /* Used to indicate the kind of ordering which is to be ensured by the
         instruction.  These types are derived from x86/aarch64 instructions.
         It should be noted that these are different from C11 semantics.  */
      TCG_BAR_LDAQ = 0x10, /* Following ops will not come forward */
      TCG_BAR_STRL = 0x20, /* Previous ops will not be delayed */
      TCG_BAR_SC = 0x30,   /* No ops cross barrier; OR of the above */
  } TCGBar;
  
  #endif /* TCG_MO_H */
  