gcc/config/i386/wmmintrin.h

   1 /* Copyright (C) 2008, 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 /* Implemented from the specification included in the Intel C++ Compiler
  25    User Guide and Reference, version 10.1.  */
  26
  27 #ifndef _WMMINTRIN_H_INCLUDED
  28 #define _WMMINTRIN_H_INCLUDED
  29
  30 /* We need definitions from the SSE2 header file.  */
  31 #include <emmintrin.h>
  32
  33 #if !defined (__AES__) && !defined (__PCLMUL__)
  34 # error "AES/PCLMUL instructions not enabled"
  35 #else
  36
  37 /* AES */
  38
  39 #ifdef __AES__
  40 /* Performs 1 round of AES decryption of the first m128i using
  41    the second m128i as a round key.  */
  42 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  43 _mm_aesdec_si128 (__m128i __X, __m128i __Y)
  44 {
  45   return (__m128i) __builtin_ia32_aesdec128 ((__v2di)__X, (__v2di)__Y);
  46 }
  47
  48 /* Performs the last round of AES decryption of the first m128i
  49    using the second m128i as a round key.  */
  50 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  51 _mm_aesdeclast_si128 (__m128i __X, __m128i __Y)
  52 {
  53   return (__m128i) __builtin_ia32_aesdeclast128 ((__v2di)__X,
  54                                                  (__v2di)__Y);
  55 }
  56
  57 /* Performs 1 round of AES encryption of the first m128i using
  58    the second m128i as a round key.  */
  59 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  60 _mm_aesenc_si128 (__m128i __X, __m128i __Y)
  61 {
  62   return (__m128i) __builtin_ia32_aesenc128 ((__v2di)__X, (__v2di)__Y);
  63 }
  64
  65 /* Performs the last round of AES encryption of the first m128i
  66    using the second m128i as a round key.  */
  67 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  68 _mm_aesenclast_si128 (__m128i __X, __m128i __Y)
  69 {
  70   return (__m128i) __builtin_ia32_aesenclast128 ((__v2di)__X, (__v2di)__Y);
  71 }
  72
  73 /* Performs the InverseMixColumn operation on the source m128i
  74    and stores the result into m128i destination.  */
  75 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  76 _mm_aesimc_si128 (__m128i __X)
  77 {
  78   return (__m128i) __builtin_ia32_aesimc128 ((__v2di)__X);
  79 }
  80
  81 /* Generates a m128i round key for the input m128i AES cipher key and
  82    byte round constant.  The second parameter must be a compile time
  83    constant.  */
  84 #ifdef __OPTIMIZE__
  85 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  86 _mm_aeskeygenassist_si128 (__m128i __X, const int __C)
  87 {
  88   return (__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)__X, __C);
  89 }
  90 #else
  91 #define _mm_aeskeygenassist_si128(X, C)                                 \
  92   ((__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)(__m128i)(X),   \
  93                                                 (int)(C)))
  94 #endif
  95 #endif  /* __AES__ */
  96
  97 /* PCLMUL */
  98
  99 #ifdef __PCLMUL__
 100 /* Performs carry-less integer multiplication of 64-bit halves of
 101    128-bit input operands.  The third parameter inducates which 64-bit
 102    haves of the input parameters v1 and v2 should be used. It must be
 103    a compile time constant.  */
 104 #ifdef __OPTIMIZE__
 105 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 106 _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
 107 {
 108   return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
 109                                                 (__v2di)__Y, __I);
 110 }
 111 #else
 112 #define _mm_clmulepi64_si128(X, Y, I)                                   \
 113   ((__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)(__m128i)(X),         \
 114                                           (__v2di)(__m128i)(Y), (int)(I)))
 115 #endif
 116 #endif  /* __PCLMUL__  */
 117
 118 #endif /* __AES__/__PCLMUL__ */
 119
 120 #endif /* _WMMINTRIN_H_INCLUDED */