text: /*
   * Copyright (c) 2003 by Hewlett-Packard Company.  All rights reserved.
   * 
   * 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. 
   */
  
  /*
   * This file specifies Itanimum primitives for use with the Intel (ecc)
   * compiler.  We use intrinsics instead of the inline assembly code in the
   * gcc file.
   */
  
  #include "../all_atomic_load_store.h"
  
  #include "../test_and_set_t_is_char.h"
  
  #include <ia64intrin.h>
  
  /* The acquire release semantics of volatile can be turned off.  And volatile	*/
  /* operations in icc9 don't imply ordering with respect to other nonvolatile	*/
  /* operations.									*/
  
  #define AO_INTEL_PTR_t void *
  
  AO_INLINE AO_t
  AO_load_acquire(volatile AO_t *p)
  {
    return (AO_t)(__ld8_acq((AO_INTEL_PTR_t)p));
  }
  #define AO_HAVE_load_acquire
  
  AO_INLINE void
  AO_store_release(volatile AO_t *p, AO_t val)
  {
    __st8_rel((AO_INTEL_PTR_t)p, (__int64)val);
  }
  #define AO_HAVE_store_release
  
  AO_INLINE unsigned char
  AO_char_load_acquire(volatile unsigned char *p)
  {
    /* A normal volatile load generates an ld.acq		*/
    return (__ld1_acq((AO_INTEL_PTR_t)p));
  }
  #define AO_HAVE_char_load_acquire
  
  AO_INLINE void
  AO_char_store_release(volatile unsigned char *p, unsigned char val)
  {
    __st1_rel((AO_INTEL_PTR_t)p, val);
  }
  #define AO_HAVE_char_store_release
  
  AO_INLINE unsigned short
  AO_short_load_acquire(volatile unsigned short *p)
  {
    /* A normal volatile load generates an ld.acq		*/
    return (__ld2_acq((AO_INTEL_PTR_t)p));
  }
  #define AO_HAVE_short_load_acquire
  
  AO_INLINE void
  AO_short_store_release(volatile unsigned short *p, unsigned short val)
  {
    __st2_rel((AO_INTEL_PTR_t)p, val);
  }
  #define AO_HAVE_short_store_release
  
  AO_INLINE unsigned int
  AO_int_load_acquire(volatile unsigned int *p)
  {
    /* A normal volatile load generates an ld.acq		*/
    return (__ld4_acq((AO_INTEL_PTR_t)p));
  }
  #define AO_HAVE_int_load_acquire
  
  AO_INLINE void
  AO_int_store_release(volatile unsigned int *p, unsigned int val)
  {
    __st4_rel((AO_INTEL_PTR_t)p, val);
  }
  #define AO_HAVE_int_store_release
  
  AO_INLINE void
  AO_nop_full()
  {
    __mf();
  }
  #define AO_HAVE_nop_full
  
  AO_INLINE AO_t
  AO_fetch_and_add1_acquire (volatile AO_t *p)
  {
    return __fetchadd8_acq((unsigned __int64 *)p, 1);
  }
  #define AO_HAVE_fetch_and_add1_acquire
  
  AO_INLINE AO_t
  AO_fetch_and_add1_release (volatile AO_t *p)
  {
    return __fetchadd8_rel((unsigned __int64 *)p, 1);
  }
  
  #define AO_HAVE_fetch_and_add1_release
  
  AO_INLINE AO_t
  AO_fetch_and_sub1_acquire (volatile AO_t *p)
  {
    return __fetchadd8_acq((unsigned __int64 *)p, -1);
  }
  
  #define AO_HAVE_fetch_and_sub1_acquire
  
  AO_INLINE AO_t
  AO_fetch_and_sub1_release (volatile AO_t *p)
  {
    return __fetchadd8_rel((unsigned __int64 *)p, -1);
  }
  
  #define AO_HAVE_fetch_and_sub1_release
  
  AO_INLINE int
  AO_compare_and_swap_acquire(volatile AO_t *addr,
  		             AO_t old, AO_t new_val) 
  {
    AO_t oldval;
    oldval = _InterlockedCompareExchange64_acq(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_compare_and_swap_acquire
  
  AO_INLINE int
  AO_compare_and_swap_release(volatile AO_t *addr,
  		             AO_t old, AO_t new_val) 
  {
    AO_t oldval;
    oldval = _InterlockedCompareExchange64_rel(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_compare_and_swap_release
  
  AO_INLINE int
  AO_char_compare_and_swap_acquire(volatile unsigned char *addr,
  		                 unsigned char old, unsigned char new_val) 
  {
    unsigned char oldval;
    oldval = _InterlockedCompareExchange8_acq(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_char_compare_and_swap_acquire
  
  AO_INLINE int
  AO_char_compare_and_swap_release(volatile unsigned char *addr,
  		            unsigned char old, unsigned char new_val) 
  {
    unsigned char oldval;
    oldval = _InterlockedCompareExchange8_rel(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_char_compare_and_swap_release
  
  AO_INLINE int
  AO_short_compare_and_swap_acquire(volatile unsigned short *addr,
  		                 unsigned short old, unsigned short new_val) 
  {
    unsigned short oldval;
    oldval = _InterlockedCompareExchange16_acq(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_short_compare_and_swap_acquire
  
  AO_INLINE int
  AO_short_compare_and_swap_release(volatile unsigned short *addr,
  		            unsigned short old, unsigned short new_val) 
  {
    unsigned short oldval;
    oldval = _InterlockedCompareExchange16_rel(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_short_compare_and_swap_release
  
  AO_INLINE int
  AO_int_compare_and_swap_acquire(volatile unsigned int *addr,
  		                 unsigned int old, unsigned int new_val) 
  {
    unsigned int oldval;
    oldval = _InterlockedCompareExchange_acq(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_int_compare_and_swap_acquire
  
  AO_INLINE int
  AO_int_compare_and_swap_release(volatile unsigned int *addr,
  		            unsigned int old, unsigned int new_val) 
  {
    unsigned int oldval;
    oldval = _InterlockedCompareExchange_rel(addr, new_val, old);
    return (oldval == old);
  }
  
  #define AO_HAVE_int_compare_and_swap_release
  
  