text: /*
   * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
   *
   * 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 HP compiler
   * under HP/UX.  We use intrinsics instead of the inline assembly code in the
   * gcc file.
   */
  
  #include "../all_atomic_load_store.h"
  
  #include "../all_acquire_release_volatile.h"
  
  #include "../test_and_set_t_is_char.h"
  
  #include <machine/sys/inline.h>
  
  #ifdef __LP64__
  # define AO_T_FASIZE _FASZ_D
  # define AO_T_SIZE _SZ_D
  #else
  # define AO_T_FASIZE _FASZ_W
  # define AO_T_SIZE _SZ_W
  #endif
  
  AO_INLINE void
  AO_nop_full(void)
  {
    _Asm_mf();
  }
  #define AO_HAVE_nop_full
  
  #ifndef AO_PREFER_GENERALIZED
  AO_INLINE AO_t
  AO_fetch_and_add1_acquire (volatile AO_t *p)
  {
    return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, 1,
                         _LDHINT_NONE, _DOWN_MEM_FENCE);
  }
  #define AO_HAVE_fetch_and_add1_acquire
  
  AO_INLINE AO_t
  AO_fetch_and_add1_release (volatile AO_t *p)
  {
    return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, 1,
                         _LDHINT_NONE, _UP_MEM_FENCE);
  }
  #define AO_HAVE_fetch_and_add1_release
  
  AO_INLINE AO_t
  AO_fetch_and_sub1_acquire (volatile AO_t *p)
  {
    return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, -1,
                         _LDHINT_NONE, _DOWN_MEM_FENCE);
  }
  #define AO_HAVE_fetch_and_sub1_acquire
  
  AO_INLINE AO_t
  AO_fetch_and_sub1_release (volatile AO_t *p)
  {
    return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, -1,
                         _LDHINT_NONE, _UP_MEM_FENCE);
  }
  #define AO_HAVE_fetch_and_sub1_release
  #endif /* !AO_PREFER_GENERALIZED */
  
  AO_INLINE AO_t
  AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val,
                                    AO_t new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE);
    return _Asm_cmpxchg(AO_T_SIZE, _SEM_ACQ, addr,
                        new_val, _LDHINT_NONE, _DOWN_MEM_FENCE);
  }
  #define AO_HAVE_fetch_compare_and_swap_acquire
  
  AO_INLINE AO_t
  AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old_val,
                                    AO_t new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE);
    return _Asm_cmpxchg(AO_T_SIZE, _SEM_REL, addr,
                        new_val, _LDHINT_NONE, _UP_MEM_FENCE);
  }
  #define AO_HAVE_fetch_compare_and_swap_release
  
  AO_INLINE unsigned char
  AO_char_fetch_compare_and_swap_acquire(volatile unsigned char *addr,
                                  unsigned char old_val, unsigned char new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE);
    return _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr,
                        new_val, _LDHINT_NONE, _DOWN_MEM_FENCE);
  }
  #define AO_HAVE_char_fetch_compare_and_swap_acquire
  
  AO_INLINE unsigned char
  AO_char_fetch_compare_and_swap_release(volatile unsigned char *addr,
                                  unsigned char old_val, unsigned char new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE);
    return _Asm_cmpxchg(_SZ_B, _SEM_REL, addr,
                        new_val, _LDHINT_NONE, _UP_MEM_FENCE);
  }
  #define AO_HAVE_char_fetch_compare_and_swap_release
  
  AO_INLINE unsigned short
  AO_short_fetch_compare_and_swap_acquire(volatile unsigned short *addr,
                                          unsigned short old_val,
                                          unsigned short new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE);
    return _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr,
                        new_val, _LDHINT_NONE, _DOWN_MEM_FENCE);
  }
  #define AO_HAVE_short_fetch_compare_and_swap_acquire
  
  AO_INLINE unsigned short
  AO_short_fetch_compare_and_swap_release(volatile unsigned short *addr,
                                          unsigned short old_val,
                                          unsigned short new_val)
  {
    _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE);
    return _Asm_cmpxchg(_SZ_B, _SEM_REL, addr,
                        new_val, _LDHINT_NONE, _UP_MEM_FENCE);
  }
  #define AO_HAVE_short_fetch_compare_and_swap_release
  
  #ifndef __LP64__
  # define AO_T_IS_INT
  #endif
  
  #undef AO_T_FASIZE
  #undef AO_T_SIZE
  