Algorithm-MinPerfHashTwoLevel
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mph_hv_macro.h view on Meta::CPAN
#ifdef CAN64BITHASH
#ifndef U64TYPE
/* This probably isn't going to work, but failing with a compiler error due to
lack of uint64_t is no worse than failing right now with an #error. */
#define U64 uint64_t
#endif
#endif
#ifndef ROTL32
/* Find best way to ROTL32/ROTL64 */
#if defined(_MSC_VER)
#include <stdlib.h> /* Microsoft put _rotl declaration in here */
#define ROTL32(x,r) _rotl(x,r)
#define ROTR32(x,r) _rotr(x,r)
#define ROTL64(x,r) _rotl64(x,r)
#define ROTR64(x,r) _rotr64(x,r)
#else
/* gcc recognises this code and generates a rotate instruction for CPUs with one */
#define ROTL32(x,r) (((U32)(x) << (r)) | ((U32)(x) >> (32 - (r))))
#define ROTR32(x,r) (((U32)(x) << (32 - (r))) | ((U32)(x) >> (r)))
#ifndef UV_MAX
# define UV_MAX PERL_ULONG_MAX
#endif
#endif
#ifndef IVSIZE
# ifdef LONGSIZE
# define IVSIZE LONGSIZE
# else
# define IVSIZE 4 /* A bold guess, but the best we can make. */
# endif
#endif
#ifndef UVTYPE
# define UVTYPE unsigned IVTYPE
#endif
#ifndef UVSIZE
# define UVSIZE IVSIZE
#endif
#ifndef cBOOL
#ifndef gv_stashpvs
# define gv_stashpvs(name, flags) gv_stashpvn(name "", sizeof(name) - 1, flags)
#endif
#ifndef get_cvs
# define get_cvs(name, flags) get_cvn_flags(name "", sizeof(name)-1, flags)
#endif
#ifndef SvGETMAGIC
# define SvGETMAGIC(x) STMT_START { if (SvGMAGICAL(x)) mg_get(x); } STMT_END
#endif
/* That's the best we can do... */
#ifndef sv_catpvn_nomg
# define sv_catpvn_nomg sv_catpvn
#endif
#ifndef sv_catsv_nomg
# define sv_catsv_nomg sv_catsv
#endif
#ifndef sv_setsv_nomg
# define sv_setsv_nomg sv_setsv
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