xref: /openbsd-src/lib/libcrypto/arch/amd64/opensslconf.h (revision 902bfdca5279bfeffc5b4c006292470a4b73c32a)
1 #include <openssl/opensslfeatures.h>
2 /* crypto/opensslconf.h.in */
3 
4 #if defined(HEADER_CRYPTO_LOCAL_H) && !defined(OPENSSLDIR)
5 #define OPENSSLDIR "/etc/ssl"
6 #endif
7 
8 #undef OPENSSL_EXPORT_VAR_AS_FUNCTION
9 
10 #if defined(HEADER_IDEA_H) && !defined(IDEA_INT)
11 #define IDEA_INT unsigned int
12 #endif
13 
14 #if defined(HEADER_MD2_H) && !defined(MD2_INT)
15 #define MD2_INT unsigned int
16 #endif
17 
18 #if defined(HEADER_RC2_H) && !defined(RC2_INT)
19 /* I need to put in a mod for the alpha - eay */
20 #define RC2_INT unsigned int
21 #endif
22 
23 #if defined(HEADER_RC4_H)
24 #if !defined(RC4_INT)
25 /* using int types make the structure larger but make the code faster
26  * on most boxes I have tested - up to %20 faster. */
27 /*
28  * I don't know what does "most" mean, but declaring "int" is a must on:
29  * - Intel P6 because partial register stalls are very expensive;
30  * - elder Alpha because it lacks byte load/store instructions;
31  */
32 #define RC4_INT unsigned int
33 #endif
34 #if !defined(RC4_CHUNK)
35 /*
36  * This enables code handling data aligned at natural CPU word
37  * boundary. See crypto/rc4/rc4_enc.c for further details.
38  */
39 #define RC4_CHUNK unsigned long
40 #endif
41 #endif
42 
43 #if (defined(HEADER_NEW_DES_H) || defined(HEADER_DES_H)) && !defined(DES_LONG)
44 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
45  * %20 speed up (longs are 8 bytes, int's are 4). */
46 #ifndef DES_LONG
47 #define DES_LONG unsigned int
48 #endif
49 #endif
50 
51 #if defined(HEADER_BN_H) && !defined(CONFIG_HEADER_BN_H)
52 #define CONFIG_HEADER_BN_H
53 #undef BN_LLONG
54 
55 /* Should we define BN_DIV2W here? */
56 
57 /* Only one for the following should be defined */
58 #define SIXTY_FOUR_BIT_LONG
59 #undef SIXTY_FOUR_BIT
60 #undef THIRTY_TWO_BIT
61 #endif
62 
63 #if defined(HEADER_BF_LOCL_H) && !defined(CONFIG_HEADER_BF_LOCL_H)
64 #define CONFIG_HEADER_BF_LOCL_H
65 #undef BF_PTR
66 #endif /* HEADER_BF_LOCL_H */
67 
68 #if defined(HEADER_DES_LOCL_H) && !defined(CONFIG_HEADER_DES_LOCL_H)
69 #define CONFIG_HEADER_DES_LOCL_H
70 #ifndef DES_DEFAULT_OPTIONS
71 /* the following is tweaked from a config script, that is why it is a
72  * protected undef/define */
73 #ifndef DES_PTR
74 #undef DES_PTR
75 #endif
76 
77 /* This helps C compiler generate the correct code for multiple functional
78  * units.  It reduces register dependencies at the expense of 2 more
79  * registers */
80 #ifndef DES_RISC1
81 #undef DES_RISC1
82 #endif
83 
84 #ifndef DES_RISC2
85 #undef DES_RISC2
86 #endif
87 
88 #if defined(DES_RISC1) && defined(DES_RISC2)
89 YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
90 #endif
91 
92 /* Unroll the inner loop, this sometimes helps, sometimes hinders.
93  * Very much CPU dependent */
94 #ifndef DES_UNROLL
95 #define DES_UNROLL
96 #endif
97 
98 /* These default values were supplied by
99  * Peter Gutman <pgut001@cs.auckland.ac.nz>
100  * They are only used if nothing else has been defined */
101 #if !defined(DES_PTR) && !defined(DES_RISC1) && !defined(DES_RISC2) && !defined(DES_UNROLL)
102 /* Special defines which change the way the code is built depending on the
103    CPU and OS.  For SGI machines you can use _MIPS_SZLONG (32 or 64) to find
104    even newer MIPS CPU's, but at the moment one size fits all for
105    optimization options.  Older Sparc's work better with only UNROLL, but
106    there's no way to tell at compile time what it is you're running on */
107 
108 #if defined( sun )		/* Newer Sparc's */
109 #  define DES_PTR
110 #  define DES_RISC1
111 #  define DES_UNROLL
112 #elif defined( __ultrix )	/* Older MIPS */
113 #  define DES_PTR
114 #  define DES_RISC2
115 #  define DES_UNROLL
116 #elif defined( __osf1__ )	/* Alpha */
117 #  define DES_PTR
118 #  define DES_RISC2
119 #elif defined ( _AIX )		/* RS6000 */
120   /* Unknown */
121 #elif defined( __hpux )		/* HP-PA */
122   /* Unknown */
123 #elif defined( __aux )		/* 68K */
124   /* Unknown */
125 #elif defined( __dgux )		/* 88K (but P6 in latest boxes) */
126 #  define DES_UNROLL
127 #elif defined( __sgi )		/* Newer MIPS */
128 #  define DES_PTR
129 #  define DES_RISC2
130 #  define DES_UNROLL
131 #elif defined(i386) || defined(__i386__)	/* x86 boxes, should be gcc */
132 #  define DES_PTR
133 #  define DES_RISC1
134 #  define DES_UNROLL
135 #endif /* Systems-specific speed defines */
136 #endif
137 
138 #endif /* DES_DEFAULT_OPTIONS */
139 #endif /* HEADER_DES_LOCL_H */
140