gcc/config/i386/ia32intrin.h

   1 /* Copyright (C) 2009 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 #ifdef __SSE4_2__
  53 /* 32bit accumulate CRC32 (polynomial 0x11EDC6F41) value.  */
  54 extern __inline unsigned int
  55 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  56 __crc32b (unsigned int __C, unsigned char __V)
  57 {
  58   return __builtin_ia32_crc32qi (__C, __V);
  59 }
  60
  61 extern __inline unsigned int
  62 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  63 __crc32w (unsigned int __C, unsigned short __V)
  64 {
  65   return __builtin_ia32_crc32hi (__C, __V);
  66 }
  67
  68 extern __inline unsigned int
  69 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  70 __crc32d (unsigned int __C, unsigned int __V)
  71 {
  72   return __builtin_ia32_crc32si (__C, __V);
  73 }
  74 #endif /* SSE4.2 */
  75
  76 /* 32bit popcnt */
  77 extern __inline int
  78 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  79 __popcntd (unsigned int __X)
  80 {
  81   return __builtin_popcount (__X);
  82 }
  83
  84 /* rdpmc */
  85 extern __inline unsigned long long
  86 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  87 __rdpmc (int __S)
  88 {
  89   return __builtin_ia32_rdpmc (__S);
  90 }
  91
  92 /* rdtsc */
  93 extern __inline unsigned long long
  94 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  95 __rdtsc (void)
  96 {
  97   return __builtin_ia32_rdtsc ();
  98 }
  99
 100 /* rdtscp */
 101 extern __inline unsigned long long
 102 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 103 __rdtscp (unsigned int *__A)
 104 {
 105   return __builtin_ia32_rdtscp (__A);
 106 }
 107
 108 /* 8bit rol */
 109 extern __inline unsigned char
 110 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 111 __rolb (unsigned char __X, int __C)
 112 {
 113   return __builtin_ia32_rolqi (__X, __C);
 114 }
 115
 116 /* 16bit rol */
 117 extern __inline unsigned short
 118 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 119 __rolw (unsigned short __X, int __C)
 120 {
 121   return __builtin_ia32_rolhi (__X, __C);
 122 }
 123
 124 /* 32bit rol */
 125 extern __inline unsigned int
 126 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 127 __rold (unsigned int __X, int __C)
 128 {
 129   return (__X << __C) | (__X >> (32 - __C));
 130 }
 131
 132 /* 8bit ror */
 133 extern __inline unsigned char
 134 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 135 __rorb (unsigned char __X, int __C)
 136 {
 137   return __builtin_ia32_rorqi (__X, __C);
 138 }
 139
 140 /* 16bit ror */
 141 extern __inline unsigned short
 142 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 143 __rorw (unsigned short __X, int __C)
 144 {
 145   return __builtin_ia32_rorhi (__X, __C);
 146 }
 147
 148 /* 32bit ror */
 149 extern __inline unsigned int
 150 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 151 __rord (unsigned int __X, int __C)
 152 {
 153   return (__X >> __C) | (__X << (32 - __C));
 154 }
 155
 156 #ifdef __x86_64__
 157 /* 64bit bsf */
 158 extern __inline int
 159 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 160 __bsfq (long long __X)
 161 {
 162   return __builtin_ctzll (__X);
 163 }
 164
 165 /* 64bit bsr */
 166 extern __inline int
 167 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 168 __bsrq (long long __X)
 169 {
 170   return __builtin_ia32_bsrdi (__X);
 171 }
 172
 173 /* 64bit bswap */
 174 extern __inline long long
 175 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 176 __bswapq (long long __X)
 177 {
 178   return __builtin_bswap64 (__X);
 179 }
 180
 181 /* 64bit accumulate CRC32 (polynomial 0x11EDC6F41) value.  */
 182 extern __inline unsigned long long
 183 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 184 __crc32q (unsigned long long __C, unsigned long long __V)
 185 {
 186   return __builtin_ia32_crc32di (__C, __V);
 187 }
 188
 189 /* 64bit popcnt */
 190 extern __inline long long
 191 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 192 __popcntq (unsigned long long __X)
 193 {
 194   return __builtin_popcountll (__X);
 195 }
 196
 197 /* 64bit rol */
 198 extern __inline unsigned long long
 199 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 200 __rolq (unsigned long long __X, int __C)
 201 {
 202   return (__X << __C) | (__X >> (64 - __C));
 203 }
 204
 205 /* 64bit ror */
 206 extern __inline unsigned long long
 207 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 208 __rorq (unsigned long long __X, int __C)
 209 {
 210   return (__X >> __C) | (__X << (64 - __C));
 211 }
 212
 213 #define _bswap64(a)             __bswapq(a)
 214 #define _popcnt64(a)            __popcntq(a)
 215 #define _lrotl(a,b)             __rolq((a), (b))
 216 #define _lrotr(a,b)             __rorq((a), (b))
 217 #else
 218 #define _lrotl(a,b)             __rold((a), (b))
 219 #define _lrotr(a,b)             __rord((a), (b))
 220 #endif
 221
 222 #define _bit_scan_forward(a)    __bsfd(a)
 223 #define _bit_scan_reverse(a)    __bsrd(a)
 224 #define _bswap(a)               __bswapd(a)
 225 #define _popcnt32(a)            __popcntd(a)
 226 #define _rdpmc(a)               __rdpmc(a)
 227 #define _rdtsc()                __rdtsc()
 228 #define _rdtscp(a)              __rdtscp(a)
 229 #define _rotwl(a,b)             __rolw((a), (b))
 230 #define _rotwr(a,b)             __rorw((a), (b))
 231 #define _rotl(a,b)              __rold((a), (b))
 232 #define _rotr(a,b)              __rord((a), (b))