1 /* Copyright (C) 2009-2014 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24 #ifndef _X86INTRIN_H_INCLUDED 25 # error "Never use <ia32intrin.h> directly; include <x86intrin.h> instead." 26 #endif 27 28 /* 32bit bsf */ 29 extern __inline int 30 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 31 __bsfd (int __X) 32 { 33 return __builtin_ctz (__X); 34 } 35 36 /* 32bit bsr */ 37 extern __inline int 38 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 39 __bsrd (int __X) 40 { 41 return __builtin_ia32_bsrsi (__X); 42 } 43 44 /* 32bit bswap */ 45 extern __inline int 46 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 47 __bswapd (int __X) 48 { 49 return __builtin_bswap32 (__X); 50 } 51 52 #ifndef __SSE4_2__ 53 #pragma GCC push_options 54 #pragma GCC target("sse4.2") 55 #define __DISABLE_SSE4_2__ 56 #endif /* __SSE4_2__ */ 57 58 /* 32bit accumulate CRC32 (polynomial 0x11EDC6F41) value. */ 59 extern __inline unsigned int 60 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 61 __crc32b (unsigned int __C, unsigned char __V) 62 { 63 return __builtin_ia32_crc32qi (__C, __V); 64 } 65 66 extern __inline unsigned int 67 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 68 __crc32w (unsigned int __C, unsigned short __V) 69 { 70 return __builtin_ia32_crc32hi (__C, __V); 71 } 72 73 extern __inline unsigned int 74 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 75 __crc32d (unsigned int __C, unsigned int __V) 76 { 77 return __builtin_ia32_crc32si (__C, __V); 78 } 79 80 #ifdef __DISABLE_SSE4_2__ 81 #undef __DISABLE_SSE4_2__ 82 #pragma GCC pop_options 83 #endif /* __DISABLE_SSE4_2__ */ 84 85 /* 32bit popcnt */ 86 extern __inline int 87 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 88 __popcntd (unsigned int __X) 89 { 90 return __builtin_popcount (__X); 91 } 92 93 /* rdpmc */ 94 extern __inline unsigned long long 95 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 96 __rdpmc (int __S) 97 { 98 return __builtin_ia32_rdpmc (__S); 99 } 100 101 /* rdtsc */ 102 extern __inline unsigned long long 103 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 104 __rdtsc (void) 105 { 106 return __builtin_ia32_rdtsc (); 107 } 108 109 /* rdtscp */ 110 extern __inline unsigned long long 111 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 112 __rdtscp (unsigned int *__A) 113 { 114 return __builtin_ia32_rdtscp (__A); 115 } 116 117 /* 8bit rol */ 118 extern __inline unsigned char 119 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 120 __rolb (unsigned char __X, int __C) 121 { 122 return __builtin_ia32_rolqi (__X, __C); 123 } 124 125 /* 16bit rol */ 126 extern __inline unsigned short 127 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 128 __rolw (unsigned short __X, int __C) 129 { 130 return __builtin_ia32_rolhi (__X, __C); 131 } 132 133 /* 32bit rol */ 134 extern __inline unsigned int 135 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 136 __rold (unsigned int __X, int __C) 137 { 138 return (__X << __C) | (__X >> (32 - __C)); 139 } 140 141 /* 8bit ror */ 142 extern __inline unsigned char 143 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 144 __rorb (unsigned char __X, int __C) 145 { 146 return __builtin_ia32_rorqi (__X, __C); 147 } 148 149 /* 16bit ror */ 150 extern __inline unsigned short 151 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 152 __rorw (unsigned short __X, int __C) 153 { 154 return __builtin_ia32_rorhi (__X, __C); 155 } 156 157 /* 32bit ror */ 158 extern __inline unsigned int 159 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 160 __rord (unsigned int __X, int __C) 161 { 162 return (__X >> __C) | (__X << (32 - __C)); 163 } 164 165 /* Pause */ 166 extern __inline void 167 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 168 __pause (void) 169 { 170 __builtin_ia32_pause (); 171 } 172 173 #ifdef __x86_64__ 174 /* 64bit bsf */ 175 extern __inline int 176 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 177 __bsfq (long long __X) 178 { 179 return __builtin_ctzll (__X); 180 } 181 182 /* 64bit bsr */ 183 extern __inline int 184 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 185 __bsrq (long long __X) 186 { 187 return __builtin_ia32_bsrdi (__X); 188 } 189 190 /* 64bit bswap */ 191 extern __inline long long 192 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 193 __bswapq (long long __X) 194 { 195 return __builtin_bswap64 (__X); 196 } 197 198 #ifndef __SSE4_2__ 199 #pragma GCC push_options 200 #pragma GCC target("sse4.2") 201 #define __DISABLE_SSE4_2__ 202 #endif /* __SSE4_2__ */ 203 204 /* 64bit accumulate CRC32 (polynomial 0x11EDC6F41) value. */ 205 extern __inline unsigned long long 206 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 207 __crc32q (unsigned long long __C, unsigned long long __V) 208 { 209 return __builtin_ia32_crc32di (__C, __V); 210 } 211 212 #ifdef __DISABLE_SSE4_2__ 213 #undef __DISABLE_SSE4_2__ 214 #pragma GCC pop_options 215 #endif /* __DISABLE_SSE4_2__ */ 216 217 /* 64bit popcnt */ 218 extern __inline long long 219 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 220 __popcntq (unsigned long long __X) 221 { 222 return __builtin_popcountll (__X); 223 } 224 225 /* 64bit rol */ 226 extern __inline unsigned long long 227 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 228 __rolq (unsigned long long __X, int __C) 229 { 230 return (__X << __C) | (__X >> (64 - __C)); 231 } 232 233 /* 64bit ror */ 234 extern __inline unsigned long long 235 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 236 __rorq (unsigned long long __X, int __C) 237 { 238 return (__X >> __C) | (__X << (64 - __C)); 239 } 240 241 /* Read flags register */ 242 extern __inline unsigned long long 243 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 244 __readeflags (void) 245 { 246 return __builtin_ia32_readeflags_u64 (); 247 } 248 249 /* Write flags register */ 250 extern __inline void 251 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 252 __writeeflags (unsigned long long X) 253 { 254 __builtin_ia32_writeeflags_u64 (X); 255 } 256 257 #define _bswap64(a) __bswapq(a) 258 #define _popcnt64(a) __popcntq(a) 259 #else 260 261 /* Read flags register */ 262 extern __inline unsigned int 263 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 264 __readeflags (void) 265 { 266 return __builtin_ia32_readeflags_u32 (); 267 } 268 269 /* Write flags register */ 270 extern __inline void 271 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 272 __writeeflags (unsigned int X) 273 { 274 __builtin_ia32_writeeflags_u32 (X); 275 } 276 277 #endif 278 279 /* On LP64 systems, longs are 64-bit. Use the appropriate rotate 280 * function. */ 281 #ifdef __LP64__ 282 #define _lrotl(a,b) __rolq((a), (b)) 283 #define _lrotr(a,b) __rorq((a), (b)) 284 #else 285 #define _lrotl(a,b) __rold((a), (b)) 286 #define _lrotr(a,b) __rord((a), (b)) 287 #endif 288 289 #define _bit_scan_forward(a) __bsfd(a) 290 #define _bit_scan_reverse(a) __bsrd(a) 291 #define _bswap(a) __bswapd(a) 292 #define _popcnt32(a) __popcntd(a) 293 #define _rdpmc(a) __rdpmc(a) 294 #define _rdtsc() __rdtsc() 295 #define _rdtscp(a) __rdtscp(a) 296 #define _rotwl(a,b) __rolw((a), (b)) 297 #define _rotwr(a,b) __rorw((a), (b)) 298 #define _rotl(a,b) __rold((a), (b)) 299 #define _rotr(a,b) __rord((a), (b)) 300