iccfeatures.h (6071B)
1 /* 2 Copyright 2010-2011, D. E. Shaw Research. 3 All rights reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions are 7 met: 8 9 * Redistributions of source code must retain the above copyright 10 notice, this list of conditions, and the following disclaimer. 11 12 * Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions, and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 * Neither the name of D. E. Shaw Research nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 #ifndef __icpcfeatures_dot_hpp 33 #define __icpcfeatures_dot_hpp 34 35 // icc relies on gcc libraries and other toolchain components. 36 #define R123_GNUC_VERSION (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) 37 38 #if !defined(__x86_64__) && !defined(__i386__) 39 # error "This code has only been tested on x86 platforms." 40 { // maybe an unbalanced brace will terminate the compilation 41 // You are invited to try Easy123 on other architectures, by changing 42 // the conditions that reach this error, but you should consider it a 43 // porting exercise and expect to encounter bugs and deficiencies. 44 // Please let the authors know of any successes (or failures). 45 #endif 46 47 #ifndef R123_STATIC_INLINE 48 #define R123_STATIC_INLINE static inline 49 #endif 50 51 #ifndef R123_FORCE_INLINE 52 #define R123_FORCE_INLINE(decl) decl __attribute__((always_inline)) 53 #endif 54 55 #ifndef R123_CUDA_DEVICE 56 #define R123_CUDA_DEVICE 57 #endif 58 59 #ifndef R123_ASSERT 60 #include <assert.h> 61 #define R123_ASSERT(x) assert(x) 62 #endif 63 64 #ifndef R123_BUILTIN_EXPECT 65 #define R123_BUILTIN_EXPECT(expr,likely) __builtin_expect(expr,likely) 66 #endif 67 68 // The basic idiom is: 69 // #ifndef R123_SOMETHING 70 // #if some condition 71 // #define R123_SOMETHING 1 72 // #else 73 // #define R123_SOMETHING 0 74 // #endif 75 // #endif 76 // This idiom allows an external user to override any decision 77 // in this file with a command-line -DR123_SOMETHING=1 or -DR123_SOMETHINE=0 78 79 // An alternative idiom is: 80 // #ifndef R123_SOMETHING 81 // #define R123_SOMETHING (some boolean expression) 82 // #endif 83 // where the boolean expression might contain previously-defined R123_SOMETHING_ELSE 84 // pp-symbols. 85 86 #ifndef R123_USE_SSE4_2 87 #ifdef __SSE4_2__ 88 #define R123_USE_SSE4_2 1 89 #else 90 #define R123_USE_SSE4_2 0 91 #endif 92 #endif 93 94 #ifndef R123_USE_SSE4_1 95 #ifdef __SSE4_1__ 96 #define R123_USE_SSE4_1 1 97 #else 98 #define R123_USE_SSE4_1 0 99 #endif 100 #endif 101 102 #ifndef R123_USE_SSE 103 #ifdef __SSE2__ 104 #define R123_USE_SSE 1 105 #else 106 #define R123_USE_SSE 0 107 #endif 108 #endif 109 110 #ifndef R123_USE_AES_NI 111 // Unlike gcc, icc (version 12) does not pre-define an __AES__ 112 // pp-symbol when -maes or -xHost is on the command line. This feels 113 // like a defect in icc (it defines __SSE4_2__ in analogous 114 // circumstances), but until Intel fixes it, we're better off erring 115 // on the side of caution and not generating instructions that are 116 // going to raise SIGILL when executed. To get the AES-NI 117 // instructions with icc, the caller must puts something like 118 // -DR123_USE_AES_NI=1 or -D__AES__ on the command line. FWIW, the 119 // AES-NI Whitepaper by Gueron says that icc has supported AES-NI from 120 // 11.1 onwards. 121 // 122 #if defined(__AES__) 123 #define R123_USE_AES_NI ((__ICC>=1101) && 1/*defined(__AES__)*/) 124 #else 125 #define R123_USE_AES_NI ((__ICC>=1101) && 0/*defined(__AES__)*/) 126 #endif 127 #endif 128 129 #ifndef R123_USE_AES_OPENSSL 130 /* There isn't really a good way to tell at compile time whether 131 openssl is available. Without a pre-compilation configure-like 132 tool, it's less error-prone to guess that it isn't available. Add 133 -DR123_USE_AES_OPENSSL=1 and any necessary LDFLAGS or LDLIBS to 134 play with openssl */ 135 #define R123_USE_AES_OPENSSL 0 136 #endif 137 138 #ifndef R123_USE_GNU_UINT128 139 #define R123_USE_GNU_UINT128 0 140 #endif 141 142 #ifndef R123_USE_ASM_GNU 143 #define R123_USE_ASM_GNU 1 144 #endif 145 146 #ifndef R123_USE_CPUID_MSVC 147 #define R123_USE_CPUID_MSVC 0 148 #endif 149 150 #ifndef R123_USE_X86INTRIN_H 151 #define R123_USE_X86INTRIN_H 0 152 #endif 153 154 #ifndef R123_USE_IA32INTRIN_H 155 #define R123_USE_IA32INTRIN_H 1 156 #endif 157 158 #ifndef R123_USE_XMMINTRIN_H 159 #define R123_USE_XMMINTRIN_H 0 160 #endif 161 162 #ifndef R123_USE_EMMINTRIN_H 163 #define R123_USE_EMMINTRIN_H 1 164 #endif 165 166 #ifndef R123_USE_SMMINTRIN_H 167 #define R123_USE_SMMINTRIN_H 1 168 #endif 169 170 #ifndef R123_USE_WMMINTRIN_H 171 #define R123_USE_WMMINTRIN_H 1 172 #endif 173 174 #ifndef R123_USE_INTRIN_H 175 #define R123_USE_INTRIN_H 0 176 #endif 177 178 #ifndef R123_USE_MULHILO16_ASM 179 #define R123_USE_MULHILO16_ASM 0 180 #endif 181 182 #ifndef R123_USE_MULHILO32_ASM 183 #define R123_USE_MULHILO32_ASM 0 184 #endif 185 186 #ifndef R123_USE_MULHILO64_ASM 187 #define R123_USE_MULHILO64_ASM 1 188 #endif 189 190 #ifndef R123_USE_MULHILO64_MSVC_INTRIN 191 #define R123_USE_MULHILO64_MSVC_INTRIN 0 192 #endif 193 194 #ifndef R123_USE_MULHILO64_CUDA_INTRIN 195 #define R123_USE_MULHILO64_CUDA_INTRIN 0 196 #endif 197 198 #ifndef R123_USE_MULHILO64_OPENCL_INTRIN 199 #define R123_USE_MULHILO64_OPENCL_INTRIN 0 200 #endif 201 202 #ifndef __STDC_CONSTANT_MACROS 203 #define __STDC_CONSTANT_MACROS 204 #endif 205 #include <stdint.h> 206 #ifndef UINT64_C 207 #error UINT64_C not defined. You must define __STDC_CONSTANT_MACROS before you #include <stdint.h> 208 #endif 209 210 // If you add something, it must go in all the other XXfeatures.hpp 211 // and in ../ut_features.cpp 212 #endif