open64features.h

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/*
Copyright 2010-2011, D. E. Shaw Research.
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
 
* Redistributions of source code must retain the above copyright
  notice, this list of conditions, and the following disclaimer.
 
* Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions, and the following disclaimer in the
  documentation and/or other materials provided with the distribution.
 
* Neither the name of D. E. Shaw Research nor the names of its
  contributors may be used to endorse or promote products derived from
  this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/
#ifndef __open64features_dot_hpp
#define __open64features_dot_hpp
 
/* The gcc features are mostly right.  We just override a few and then include gccfeatures.h */
 
/* Open64 4.2.3 and 4.2.4 accept the __uint128_t code without complaint
   but produce incorrect code for 64-bit philox.  The MULHILO64_ASM
   seems to work fine */
#ifndef R123_USE_GNU_UINT128
#define R123_USE_GNU_UINT128 0
#endif
 
#ifndef R123_USE_MULHILO64_ASM
#define R123_USE_MULHILO64_ASM 1
#endif
 
#include "gccfeatures.h"
 
#endif