gcc/config/i386/wmmintrin.h

   1 /* Copyright (C) 2008-2024 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 /* AES */
  34
  35 #if !defined(__AES__) || !defined(__SSE2__)
  36 #pragma GCC push_options
  37 #pragma GCC target("aes,sse2")
  38 #define __DISABLE_AES__
  39 #endif /* __AES__ */
  40
  41 /* Performs 1 round of AES decryption of the first m128i using
  42    the second m128i as a round key.  */
  43 #define _mm_aesdec_si128(X, Y) \
  44   (__m128i) __builtin_ia32_aesdec128 ((__v2di) (X), (__v2di) (Y))
  45
  46 /* Performs the last round of AES decryption of the first m128i
  47    using the second m128i as a round key.  */
  48 #define _mm_aesdeclast_si128(X, Y) \
  49   (__m128i) __builtin_ia32_aesdeclast128 ((__v2di) (X), (__v2di) (Y))
  50
  51 /* Performs 1 round of AES encryption of the first m128i using
  52    the second m128i as a round key.  */
  53 #define _mm_aesenc_si128(X, Y) \
  54   (__m128i) __builtin_ia32_aesenc128 ((__v2di) (X), (__v2di) (Y))
  55
  56 /* Performs the last round of AES encryption of the first m128i
  57    using the second m128i as a round key.  */
  58 #define _mm_aesenclast_si128(X, Y) \
  59   (__m128i) __builtin_ia32_aesenclast128 ((__v2di) (X), (__v2di) (Y))
  60
  61 /* Performs the InverseMixColumn operation on the source m128i
  62    and stores the result into m128i destination.  */
  63 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  64 _mm_aesimc_si128 (__m128i __X)
  65 {
  66   return (__m128i) __builtin_ia32_aesimc128 ((__v2di)__X);
  67 }
  68
  69 /* Generates a m128i round key for the input m128i AES cipher key and
  70    byte round constant.  The second parameter must be a compile time
  71    constant.  */
  72 #ifdef __OPTIMIZE__
  73 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  74 _mm_aeskeygenassist_si128 (__m128i __X, const int __C)
  75 {
  76   return (__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)__X, __C);
  77 }
  78 #else
  79 #define _mm_aeskeygenassist_si128(X, C)                                 \
  80   ((__m128i) __builtin_ia32_aeskeygenassist128 ((__v2di)(__m128i)(X),   \
  81                                                 (int)(C)))
  82 #endif
  83
  84 #ifdef __DISABLE_AES__
  85 #undef __DISABLE_AES__
  86 #pragma GCC pop_options
  87 #endif /* __DISABLE_AES__ */
  88
  89 /* PCLMUL */
  90
  91 #if !defined(__PCLMUL__) || !defined(__SSE2__)
  92 #pragma GCC push_options
  93 #pragma GCC target("pclmul,sse2")
  94 #define __DISABLE_PCLMUL__
  95 #endif /* __PCLMUL__ */
  96
  97 /* Performs carry-less integer multiplication of 64-bit halves of
  98    128-bit input operands.  The third parameter inducates which 64-bit
  99    haves of the input parameters v1 and v2 should be used. It must be
 100    a compile time constant.  */
 101 #ifdef __OPTIMIZE__
 102 extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 103 _mm_clmulepi64_si128 (__m128i __X, __m128i __Y, const int __I)
 104 {
 105   return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
 106                                                 (__v2di)__Y, __I);
 107 }
 108 #else
 109 #define _mm_clmulepi64_si128(X, Y, I)                                   \
 110   ((__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)(__m128i)(X),         \
 111                                           (__v2di)(__m128i)(Y), (int)(I)))
 112 #endif
 113
 114 #ifdef __DISABLE_PCLMUL__
 115 #undef __DISABLE_PCLMUL__
 116 #pragma GCC pop_options
 117 #endif /* __DISABLE_PCLMUL__ */
 118
 119 #endif /* _WMMINTRIN_H_INCLUDED */