clang/lib/Headers/__wmmintrin_aes.h

   1 /*===---- __wmmintrin_aes.h - AES intrinsics -------------------------------===
   2  *
   3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4  * See https://llvm.org/LICENSE.txt for license information.
   5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6  *
   7  *===-----------------------------------------------------------------------===
   8  */
   9
  10 #ifndef __WMMINTRIN_H
  11 #error "Never use <__wmmintrin_aes.h> directly; include <wmmintrin.h> instead."
  12 #endif
  13
  14 #ifndef __WMMINTRIN_AES_H
  15 #define __WMMINTRIN_AES_H
  16
  17 /* Define the default attributes for the functions in this file. */
  18 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("aes"), __min_vector_width__(128)))
  19
  20 /// Performs a single round of AES encryption using the Equivalent
  21 ///    Inverse Cipher, transforming the state value from the first source
  22 ///    operand using a 128-bit round key value contained in the second source
  23 ///    operand, and writes the result to the destination.
  24 ///
  25 /// \headerfile <x86intrin.h>
  26 ///
  27 /// This intrinsic corresponds to the <c> VAESENC </c> instruction.
  28 ///
  29 /// \param __V
  30 ///    A 128-bit integer vector containing the state value.
  31 /// \param __R
  32 ///    A 128-bit integer vector containing the round key value.
  33 /// \returns A 128-bit integer vector containing the encrypted value.
  34 static __inline__ __m128i __DEFAULT_FN_ATTRS
  35 _mm_aesenc_si128(__m128i __V, __m128i __R)
  36 {
  37   return (__m128i)__builtin_ia32_aesenc128((__v2di)__V, (__v2di)__R);
  38 }
  39
  40 /// Performs the final round of AES encryption using the Equivalent
  41 ///    Inverse Cipher, transforming the state value from the first source
  42 ///    operand using a 128-bit round key value contained in the second source
  43 ///    operand, and writes the result to the destination.
  44 ///
  45 /// \headerfile <x86intrin.h>
  46 ///
  47 /// This intrinsic corresponds to the <c> VAESENCLAST </c> instruction.
  48 ///
  49 /// \param __V
  50 ///    A 128-bit integer vector containing the state value.
  51 /// \param __R
  52 ///    A 128-bit integer vector containing the round key value.
  53 /// \returns A 128-bit integer vector containing the encrypted value.
  54 static __inline__ __m128i __DEFAULT_FN_ATTRS
  55 _mm_aesenclast_si128(__m128i __V, __m128i __R)
  56 {
  57   return (__m128i)__builtin_ia32_aesenclast128((__v2di)__V, (__v2di)__R);
  58 }
  59
  60 /// Performs a single round of AES decryption using the Equivalent
  61 ///    Inverse Cipher, transforming the state value from the first source
  62 ///    operand using a 128-bit round key value contained in the second source
  63 ///    operand, and writes the result to the destination.
  64 ///
  65 /// \headerfile <x86intrin.h>
  66 ///
  67 /// This intrinsic corresponds to the <c> VAESDEC </c> instruction.
  68 ///
  69 /// \param __V
  70 ///    A 128-bit integer vector containing the state value.
  71 /// \param __R
  72 ///    A 128-bit integer vector containing the round key value.
  73 /// \returns A 128-bit integer vector containing the decrypted value.
  74 static __inline__ __m128i __DEFAULT_FN_ATTRS
  75 _mm_aesdec_si128(__m128i __V, __m128i __R)
  76 {
  77   return (__m128i)__builtin_ia32_aesdec128((__v2di)__V, (__v2di)__R);
  78 }
  79
  80 /// Performs the final round of AES decryption using the Equivalent
  81 ///    Inverse Cipher, transforming the state value from the first source
  82 ///    operand using a 128-bit round key value contained in the second source
  83 ///    operand, and writes the result to the destination.
  84 ///
  85 /// \headerfile <x86intrin.h>
  86 ///
  87 /// This intrinsic corresponds to the <c> VAESDECLAST </c> instruction.
  88 ///
  89 /// \param __V
  90 ///    A 128-bit integer vector containing the state value.
  91 /// \param __R
  92 ///    A 128-bit integer vector containing the round key value.
  93 /// \returns A 128-bit integer vector containing the decrypted value.
  94 static __inline__ __m128i __DEFAULT_FN_ATTRS
  95 _mm_aesdeclast_si128(__m128i __V, __m128i __R)
  96 {
  97   return (__m128i)__builtin_ia32_aesdeclast128((__v2di)__V, (__v2di)__R);
  98 }
  99
 100 /// Applies the AES InvMixColumns() transformation to an expanded key
 101 ///    contained in the source operand, and writes the result to the
 102 ///    destination.
 103 ///
 104 /// \headerfile <x86intrin.h>
 105 ///
 106 /// This intrinsic corresponds to the <c> VAESIMC </c> instruction.
 107 ///
 108 /// \param __V
 109 ///    A 128-bit integer vector containing the expanded key.
 110 /// \returns A 128-bit integer vector containing the transformed value.
 111 static __inline__ __m128i __DEFAULT_FN_ATTRS
 112 _mm_aesimc_si128(__m128i __V)
 113 {
 114   return (__m128i)__builtin_ia32_aesimc128((__v2di)__V);
 115 }
 116
 117 /// Generates a round key for AES encryption, operating on 128-bit data
 118 ///    specified in the first source operand and using an 8-bit round constant
 119 ///    specified by the second source operand, and writes the result to the
 120 ///    destination.
 121 ///
 122 /// \headerfile <x86intrin.h>
 123 ///
 124 /// \code
 125 /// __m128i _mm_aeskeygenassist_si128(__m128i C, const int R);
 126 /// \endcode
 127 ///
 128 /// This intrinsic corresponds to the <c> AESKEYGENASSIST </c> instruction.
 129 ///
 130 /// \param C
 131 ///    A 128-bit integer vector that is used to generate the AES encryption key.
 132 /// \param R
 133 ///    An 8-bit round constant used to generate the AES encryption key.
 134 /// \returns A 128-bit round key for AES encryption.
 135 #define _mm_aeskeygenassist_si128(C, R) \
 136   ((__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R)))
 137
 138 #undef __DEFAULT_FN_ATTRS
 139
 140 #endif  /* __WMMINTRIN_AES_H */