root/opal/include/opal/align.h

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INCLUDED FROM

   1 /*
   2  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2005 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2006      Voltaire All rights reserved.
  13  * Copyright (c) 2010      Oracle and/or its affiliates.  All rights reserved.
  14  *
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 
  22 #ifndef OPAL_ALIGN_H
  23 #define OPAL_ALIGN_H
  24 
  25 #define OPAL_DOWN_ALIGN(x,a,t) ((x) & ~(((t)(a)-1)))
  26 #define OPAL_DOWN_ALIGN_PTR(x,a,t) ((t)OPAL_DOWN_ALIGN((uintptr_t)x, a, uintptr_t))
  27 #define OPAL_ALIGN(x,a,t) (((x)+((t)(a)-1)) & ~(((t)(a)-1)))
  28 #define OPAL_ALIGN_PTR(x,a,t) ((t)OPAL_ALIGN((uintptr_t)x, a, uintptr_t))
  29 #define OPAL_ALIGN_PAD_AMOUNT(x,s) ((~((uintptr_t)(x))+1) & ((uintptr_t)(s)-1))
  30 
  31 #endif /* OPAL_ALIGN_H */
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