xref: /openbsd-src/lib/libcrypto/arch/amd64/opensslconf.h (revision 902bfdca5279bfeffc5b4c006292470a4b73c32a)

#include <openssl/opensslfeatures.h>
/* crypto/opensslconf.h.in */

#if defined(HEADER_CRYPTO_LOCAL_H) && !defined(OPENSSLDIR)
#define OPENSSLDIR "/etc/ssl"
#endif

#undef OPENSSL_EXPORT_VAR_AS_FUNCTION

#if defined(HEADER_IDEA_H) && !defined(IDEA_INT)
#define IDEA_INT unsigned int
#endif

#if defined(HEADER_MD2_H) && !defined(MD2_INT)
#define MD2_INT unsigned int
#endif

#if defined(HEADER_RC2_H) && !defined(RC2_INT)
/* I need to put in a mod for the alpha - eay */
#define RC2_INT unsigned int
#endif

#if defined(HEADER_RC4_H)
#if !defined(RC4_INT)
/* using int types make the structure larger but make the code faster
 * on most boxes I have tested - up to %20 faster. */
/*
 * I don't know what does "most" mean, but declaring "int" is a must on:
 * - Intel P6 because partial register stalls are very expensive;
 * - elder Alpha because it lacks byte load/store instructions;
 */
#define RC4_INT unsigned int
#endif
#if !defined(RC4_CHUNK)
/*
 * This enables code handling data aligned at natural CPU word
 * boundary. See crypto/rc4/rc4_enc.c for further details.
 */
#define RC4_CHUNK unsigned long
#endif
#endif

#if (defined(HEADER_NEW_DES_H) || defined(HEADER_DES_H)) && !defined(DES_LONG)
/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
 * %20 speed up (longs are 8 bytes, int's are 4). */
#ifndef DES_LONG
#define DES_LONG unsigned int
#endif
#endif

#if defined(HEADER_BN_H) && !defined(CONFIG_HEADER_BN_H)
#define CONFIG_HEADER_BN_H
#undef BN_LLONG

/* Should we define BN_DIV2W here? */

/* Only one for the following should be defined */
#define SIXTY_FOUR_BIT_LONG
#undef SIXTY_FOUR_BIT
#undef THIRTY_TWO_BIT
#endif

#if defined(HEADER_BF_LOCL_H) && !defined(CONFIG_HEADER_BF_LOCL_H)
#define CONFIG_HEADER_BF_LOCL_H
#undef BF_PTR
#endif /* HEADER_BF_LOCL_H */

#if defined(HEADER_DES_LOCL_H) && !defined(CONFIG_HEADER_DES_LOCL_H)
#define CONFIG_HEADER_DES_LOCL_H
#ifndef DES_DEFAULT_OPTIONS
/* the following is tweaked from a config script, that is why it is a
 * protected undef/define */
#ifndef DES_PTR
#undef DES_PTR
#endif

/* This helps C compiler generate the correct code for multiple functional
 * units.  It reduces register dependencies at the expense of 2 more
 * registers */
#ifndef DES_RISC1
#undef DES_RISC1
#endif

#ifndef DES_RISC2
#undef DES_RISC2
#endif

#if defined(DES_RISC1) && defined(DES_RISC2)
YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
#endif

/* Unroll the inner loop, this sometimes helps, sometimes hinders.
 * Very much CPU dependent */
#ifndef DES_UNROLL
#define DES_UNROLL
#endif

/* These default values were supplied by
 * Peter Gutman <pgut001@cs.auckland.ac.nz>
 * They are only used if nothing else has been defined */
#if !defined(DES_PTR) && !defined(DES_RISC1) && !defined(DES_RISC2) && !defined(DES_UNROLL)
/* Special defines which change the way the code is built depending on the
   CPU and OS.  For SGI machines you can use _MIPS_SZLONG (32 or 64) to find
   even newer MIPS CPU's, but at the moment one size fits all for
   optimization options.  Older Sparc's work better with only UNROLL, but
   there's no way to tell at compile time what it is you're running on */

#if defined( sun )		/* Newer Sparc's */
#  define DES_PTR
#  define DES_RISC1
#  define DES_UNROLL
#elif defined( __ultrix )	/* Older MIPS */
#  define DES_PTR
#  define DES_RISC2
#  define DES_UNROLL
#elif defined( __osf1__ )	/* Alpha */
#  define DES_PTR
#  define DES_RISC2
#elif defined ( _AIX )		/* RS6000 */
  /* Unknown */
#elif defined( __hpux )		/* HP-PA */
  /* Unknown */
#elif defined( __aux )		/* 68K */
  /* Unknown */
#elif defined( __dgux )		/* 88K (but P6 in latest boxes) */
#  define DES_UNROLL
#elif defined( __sgi )		/* Newer MIPS */
#  define DES_PTR
#  define DES_RISC2
#  define DES_UNROLL
#elif defined(i386) || defined(__i386__)	/* x86 boxes, should be gcc */
#  define DES_PTR
#  define DES_RISC1
#  define DES_UNROLL
#endif /* Systems-specific speed defines */
#endif

#endif /* DES_DEFAULT_OPTIONS */
#endif /* HEADER_DES_LOCL_H */