lib/libcrypto/arch/amd64/opensslconf.h

   1 #include <openssl/opensslfeatures.h>
   2 /* crypto/opensslconf.h.in */
   3
   4 #if defined(HEADER_CRYPTLIB_H) && !defined(OPENSSLDIR)
   5 #define OPENSSLDIR "/etc/ssl"
   6 #endif
   7
   8 #undef OPENSSL_UNISTD
   9 #define OPENSSL_UNISTD <unistd.h>
  10
  11 #undef OPENSSL_EXPORT_VAR_AS_FUNCTION
  12
  13 #if defined(HEADER_IDEA_H) && !defined(IDEA_INT)
  14 #define IDEA_INT unsigned int
  15 #endif
  16
  17 #if defined(HEADER_MD2_H) && !defined(MD2_INT)
  18 #define MD2_INT unsigned int
  19 #endif
  20
  21 #if defined(HEADER_RC2_H) && !defined(RC2_INT)
  22 /* I need to put in a mod for the alpha - eay */
  23 #define RC2_INT unsigned int
  24 #endif
  25
  26 #if defined(HEADER_RC4_H)
  27 #if !defined(RC4_INT)
  28 /* using int types make the structure larger but make the code faster
  29  * on most boxes I have tested - up to %20 faster. */
  30 /*
  31  * I don't know what does "most" mean, but declaring "int" is a must on:
  32  * - Intel P6 because partial register stalls are very expensive;
  33  * - elder Alpha because it lacks byte load/store instructions;
  34  */
  35 #define RC4_INT unsigned int
  36 #endif
  37 #if !defined(RC4_CHUNK)
  38 /*
  39  * This enables code handling data aligned at natural CPU word
  40  * boundary. See crypto/rc4/rc4_enc.c for further details.
  41  */
  42 #define RC4_CHUNK unsigned long
  43 #endif
  44 #endif
  45
  46 #if (defined(HEADER_NEW_DES_H) || defined(HEADER_DES_H)) && !defined(DES_LONG)
  47 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
  48  * %20 speed up (longs are 8 bytes, int's are 4). */
  49 #ifndef DES_LONG
  50 #define DES_LONG unsigned int
  51 #endif
  52 #endif
  53
  54 #if defined(HEADER_BN_H) && !defined(CONFIG_HEADER_BN_H)
  55 #define CONFIG_HEADER_BN_H
  56 #undef BN_LLONG
  57
  58 /* Should we define BN_DIV2W here? */
  59
  60 /* Only one for the following should be defined */
  61 #define SIXTY_FOUR_BIT_LONG
  62 #undef SIXTY_FOUR_BIT
  63 #undef THIRTY_TWO_BIT
  64 #endif
  65
  66 #if defined(HEADER_RC4_LOCL_H) && !defined(CONFIG_HEADER_RC4_LOCL_H)
  67 #define CONFIG_HEADER_RC4_LOCL_H
  68 /* if this is defined data[i] is used instead of *data, this is a %20
  69  * speedup on x86 */
  70 #undef RC4_INDEX
  71 #endif
  72
  73 #if defined(HEADER_BF_LOCL_H) && !defined(CONFIG_HEADER_BF_LOCL_H)
  74 #define CONFIG_HEADER_BF_LOCL_H
  75 #undef BF_PTR
  76 #endif /* HEADER_BF_LOCL_H */
  77
  78 #if defined(HEADER_DES_LOCL_H) && !defined(CONFIG_HEADER_DES_LOCL_H)
  79 #define CONFIG_HEADER_DES_LOCL_H
  80 #ifndef DES_DEFAULT_OPTIONS
  81 /* the following is tweaked from a config script, that is why it is a
  82  * protected undef/define */
  83 #ifndef DES_PTR
  84 #undef DES_PTR
  85 #endif
  86
  87 /* This helps C compiler generate the correct code for multiple functional
  88  * units.  It reduces register dependancies at the expense of 2 more
  89  * registers */
  90 #ifndef DES_RISC1
  91 #undef DES_RISC1
  92 #endif
  93
  94 #ifndef DES_RISC2
  95 #undef DES_RISC2
  96 #endif
  97
  98 #if defined(DES_RISC1) && defined(DES_RISC2)
  99 YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
 100 #endif
 101
 102 /* Unroll the inner loop, this sometimes helps, sometimes hinders.
 103  * Very mucy CPU dependant */
 104 #ifndef DES_UNROLL
 105 #define DES_UNROLL
 106 #endif
 107
 108 /* These default values were supplied by
 109  * Peter Gutman <pgut001@cs.auckland.ac.nz>
 110  * They are only used if nothing else has been defined */
 111 #if !defined(DES_PTR) && !defined(DES_RISC1) && !defined(DES_RISC2) && !defined(DES_UNROLL)
 112 /* Special defines which change the way the code is built depending on the
 113    CPU and OS.  For SGI machines you can use _MIPS_SZLONG (32 or 64) to find
 114    even newer MIPS CPU's, but at the moment one size fits all for
 115    optimization options.  Older Sparc's work better with only UNROLL, but
 116    there's no way to tell at compile time what it is you're running on */
 117
 118 #if defined( sun )              /* Newer Sparc's */
 119 #  define DES_PTR
 120 #  define DES_RISC1
 121 #  define DES_UNROLL
 122 #elif defined( __ultrix )       /* Older MIPS */
 123 #  define DES_PTR
 124 #  define DES_RISC2
 125 #  define DES_UNROLL
 126 #elif defined( __osf1__ )       /* Alpha */
 127 #  define DES_PTR
 128 #  define DES_RISC2
 129 #elif defined ( _AIX )          /* RS6000 */
 130   /* Unknown */
 131 #elif defined( __hpux )         /* HP-PA */
 132   /* Unknown */
 133 #elif defined( __aux )          /* 68K */
 134   /* Unknown */
 135 #elif defined( __dgux )         /* 88K (but P6 in latest boxes) */
 136 #  define DES_UNROLL
 137 #elif defined( __sgi )          /* Newer MIPS */
 138 #  define DES_PTR
 139 #  define DES_RISC2
 140 #  define DES_UNROLL
 141 #elif defined(i386) || defined(__i386__)        /* x86 boxes, should be gcc */
 142 #  define DES_PTR
 143 #  define DES_RISC1
 144 #  define DES_UNROLL
 145 #endif /* Systems-specific speed defines */
 146 #endif
 147
 148 #endif /* DES_DEFAULT_OPTIONS */
 149 #endif /* HEADER_DES_LOCL_H */