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  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 */
  141.