blob: e976187e91adc53620cf9f3d407634a97ed8af83 [file] [log] [blame]
Ben Murdoch097c5b22016-05-18 11:27:45 +01001/*===---- __wmmintrin_aes.h - AES intrinsics -------------------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23#ifndef _WMMINTRIN_AES_H
24#define _WMMINTRIN_AES_H
25
26#include <emmintrin.h>
27
28/* Define the default attributes for the functions in this file. */
29#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("aes")))
30
31/// \brief Performs a single round of AES encryption using the Equivalent
32/// Inverse Cipher, transforming the state value from the first source
33/// operand using a 128-bit round key value contained in the second source
34/// operand, and writes the result to the destination.
35///
36/// \headerfile <x86intrin.h>
37///
38/// This intrinsic corresponds to the \c VAESENC instruction.
39///
40/// \param __V
41/// A 128-bit integer vector containing the state value.
42/// \param __R
43/// A 128-bit integer vector containing the round key value.
44/// \returns A 128-bit integer vector containing the encrypted value.
45static __inline__ __m128i __DEFAULT_FN_ATTRS
46_mm_aesenc_si128(__m128i __V, __m128i __R)
47{
48 return (__m128i)__builtin_ia32_aesenc128(__V, __R);
49}
50
51/// \brief Performs the final round of AES encryption using the Equivalent
52/// Inverse Cipher, transforming the state value from the first source
53/// operand using a 128-bit round key value contained in the second source
54/// operand, and writes the result to the destination.
55///
56/// \headerfile <x86intrin.h>
57///
58/// This intrinsic corresponds to the \c VAESENCLAST instruction.
59///
60/// \param __V
61/// A 128-bit integer vector containing the state value.
62/// \param __R
63/// A 128-bit integer vector containing the round key value.
64/// \returns A 128-bit integer vector containing the encrypted value.
65static __inline__ __m128i __DEFAULT_FN_ATTRS
66_mm_aesenclast_si128(__m128i __V, __m128i __R)
67{
68 return (__m128i)__builtin_ia32_aesenclast128(__V, __R);
69}
70
71/// \brief Performs a single round of AES decryption using the Equivalent
72/// Inverse Cipher, transforming the state value from the first source
73/// operand using a 128-bit round key value contained in the second source
74/// operand, and writes the result to the destination.
75///
76/// \headerfile <x86intrin.h>
77///
78/// This intrinsic corresponds to the \c VAESDEC instruction.
79///
80/// \param __V
81/// A 128-bit integer vector containing the state value.
82/// \param __R
83/// A 128-bit integer vector containing the round key value.
84/// \returns A 128-bit integer vector containing the decrypted value.
85static __inline__ __m128i __DEFAULT_FN_ATTRS
86_mm_aesdec_si128(__m128i __V, __m128i __R)
87{
88 return (__m128i)__builtin_ia32_aesdec128(__V, __R);
89}
90
91/// \brief Performs the final round of AES decryption using the Equivalent
92/// Inverse Cipher, transforming the state value from the first source
93/// operand using a 128-bit round key value contained in the second source
94/// operand, and writes the result to the destination.
95///
96/// \headerfile <x86intrin.h>
97///
98/// This intrinsic corresponds to the \c VAESDECLAST instruction.
99///
100/// \param __V
101/// A 128-bit integer vector containing the state value.
102/// \param __R
103/// A 128-bit integer vector containing the round key value.
104/// \returns A 128-bit integer vector containing the decrypted value.
105static __inline__ __m128i __DEFAULT_FN_ATTRS
106_mm_aesdeclast_si128(__m128i __V, __m128i __R)
107{
108 return (__m128i)__builtin_ia32_aesdeclast128(__V, __R);
109}
110
111/// \brief Applies the AES InvMixColumns() transformation to an expanded key
112/// contained in the source operand, and writes the result to the
113/// destination.
114///
115/// \headerfile <x86intrin.h>
116///
117/// This intrinsic corresponds to the \c VAESIMC instruction.
118///
119/// \param __V
120/// A 128-bit integer vector containing the expanded key.
121/// \returns A 128-bit integer vector containing the transformed value.
122static __inline__ __m128i __DEFAULT_FN_ATTRS
123_mm_aesimc_si128(__m128i __V)
124{
125 return (__m128i)__builtin_ia32_aesimc128(__V);
126}
127
128/// \brief Generates a round key for AES encyption, operating on 128-bit data
129/// specified in the first source operand and using an 8-bit round constant
130/// specified by the second source operand, and writes the result to the
131/// destination.
132///
133/// \headerfile <x86intrin.h>
134///
135/// \code
136/// __m128i _mm_aeskeygenassist_si128(__m128i C, const int R);
137/// \endcode
138///
139/// This intrinsic corresponds to the \c AESKEYGENASSIST instruction.
140///
141/// \param C
142/// A 128-bit integer vector that is used to generate the AES encryption key.
143/// \param R
144/// An 8-bit round constant used to generate the AES encryption key.
145/// \returns A 128-bit round key for AES encryption.
146#define _mm_aeskeygenassist_si128(C, R) \
147 (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
148
149#undef __DEFAULT_FN_ATTRS
150
151#endif /* _WMMINTRIN_AES_H */