/*===--------------- sm4intrin.h - SM4 intrinsics -----------------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef __IMMINTRIN_H
#error "Never use <sm4intrin.h> directly; include <immintrin.h> instead."
#endif // __IMMINTRIN_H
#ifndef __SM4INTRIN_H
#define __SM4INTRIN_H
/// This intrinsic performs four rounds of SM4 key expansion. The intrinsic
/// operates on independent 128-bit lanes. The calculated results are
/// stored in \a dst.
/// \headerfile <immintrin.h>
///
/// \code
/// __m128i _mm_sm4key4_epi32(__m128i __A, __m128i __B)
/// \endcode
///
/// This intrinsic corresponds to the \c VSM4KEY4 instruction.
///
/// \param __A
/// A 128-bit vector of [4 x int].
/// \param __B
/// A 128-bit vector of [4 x int].
/// \returns
/// A 128-bit vector of [4 x int].
///
/// \code{.operation}
/// DEFINE ROL32(dword, n) {
/// count := n % 32
/// dest := (dword << count) | (dword >> (32-count))
/// RETURN dest
/// }
/// DEFINE SBOX_BYTE(dword, i) {
/// RETURN sbox[dword.byte[i]]
/// }
/// DEFINE lower_t(dword) {
/// tmp.byte[0] := SBOX_BYTE(dword, 0)
/// tmp.byte[1] := SBOX_BYTE(dword, 1)
/// tmp.byte[2] := SBOX_BYTE(dword, 2)
/// tmp.byte[3] := SBOX_BYTE(dword, 3)
/// RETURN tmp
/// }
/// DEFINE L_KEY(dword) {
/// RETURN dword ^ ROL32(dword, 13) ^ ROL32(dword, 23)
/// }
/// DEFINE T_KEY(dword) {
/// RETURN L_KEY(lower_t(dword))
/// }
/// DEFINE F_KEY(X0, X1, X2, X3, round_key) {
/// RETURN X0 ^ T_KEY(X1 ^ X2 ^ X3 ^ round_key)
/// }
/// FOR i:= 0 to 0
/// P[0] := __B.xmm[i].dword[0]
/// P[1] := __B.xmm[i].dword[1]
/// P[2] := __B.xmm[i].dword[2]
/// P[3] := __B.xmm[i].dword[3]
/// C[0] := F_KEY(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0])
/// C[1] := F_KEY(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1])
/// C[2] := F_KEY(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2])
/// C[3] := F_KEY(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3])
/// DEST.xmm[i].dword[0] := C[0]
/// DEST.xmm[i].dword[1] := C[1]
/// DEST.xmm[i].dword[2] := C[2]
/// DEST.xmm[i].dword[3] := C[3]
/// ENDFOR
/// DEST[MAX:128] := 0
/// \endcode
#define _mm_sm4key4_epi32(A, B) \
(__m128i) __builtin_ia32_vsm4key4128((__v4su)A, (__v4su)B)
/// This intrinsic performs four rounds of SM4 key expansion. The intrinsic
/// operates on independent 128-bit lanes. The calculated results are
/// stored in \a dst.
/// \headerfile <immintrin.h>
///
/// \code
/// __m256i _mm256_sm4key4_epi32(__m256i __A, __m256i __B)
/// \endcode
///
/// This intrinsic corresponds to the \c VSM4KEY4 instruction.
///
/// \param __A
/// A 256-bit vector of [8 x int].
/// \param __B
/// A 256-bit vector of [8 x int].
/// \returns
/// A 256-bit vector of [8 x int].
///
/// \code{.operation}
/// DEFINE ROL32(dword, n) {
/// count := n % 32
/// dest := (dword << count) | (dword >> (32-count))
/// RETURN dest
/// }
/// DEFINE SBOX_BYTE(dword, i) {
/// RETURN sbox[dword.byte[i]]
/// }
/// DEFINE lower_t(dword) {
/// tmp.byte[0] := SBOX_BYTE(dword, 0)
/// tmp.byte[1] := SBOX_BYTE(dword, 1)
/// tmp.byte[2] := SBOX_BYTE(dword, 2)
/// tmp.byte[3] := SBOX_BYTE(dword, 3)
/// RETURN tmp
/// }
/// DEFINE L_KEY(dword) {
/// RETURN dword ^ ROL32(dword, 13) ^ ROL32(dword, 23)
/// }
/// DEFINE T_KEY(dword) {
/// RETURN L_KEY(lower_t(dword))
/// }
/// DEFINE F_KEY(X0, X1, X2, X3, round_key) {
/// RETURN X0 ^ T_KEY(X1 ^ X2 ^ X3 ^ round_key)
/// }
/// FOR i:= 0 to 1
/// P[0] := __B.xmm[i].dword[0]
/// P[1] := __B.xmm[i].dword[1]
/// P[2] := __B.xmm[i].dword[2]
/// P[3] := __B.xmm[i].dword[3]
/// C[0] := F_KEY(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0])
/// C[1] := F_KEY(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1])
/// C[2] := F_KEY(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2])
/// C[3] := F_KEY(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3])
/// DEST.xmm[i].dword[0] := C[0]
/// DEST.xmm[i].dword[1] := C[1]
/// DEST.xmm[i].dword[2] := C[2]
/// DEST.xmm[i].dword[3] := C[3]
/// ENDFOR
/// DEST[MAX:256] := 0
/// \endcode
#define _mm256_sm4key4_epi32(A, B) \
(__m256i) __builtin_ia32_vsm4key4256((__v8su)A, (__v8su)B)
/// This intrinisc performs four rounds of SM4 encryption. The intrinisc
/// operates on independent 128-bit lanes. The calculated results are
/// stored in \a dst.
/// \headerfile <immintrin.h>
///
/// \code
/// __m128i _mm_sm4rnds4_epi32(__m128i __A, __m128i __B)
/// \endcode
///
/// This intrinsic corresponds to the \c VSM4RNDS4 instruction.
///
/// \param __A
/// A 128-bit vector of [4 x int].
/// \param __B
/// A 128-bit vector of [4 x int].
/// \returns
/// A 128-bit vector of [4 x int].
///
/// \code{.operation}
/// DEFINE ROL32(dword, n) {
/// count := n % 32
/// dest := (dword << count) | (dword >> (32-count))
/// RETURN dest
/// }
/// DEFINE lower_t(dword) {
/// tmp.byte[0] := SBOX_BYTE(dword, 0)
/// tmp.byte[1] := SBOX_BYTE(dword, 1)
/// tmp.byte[2] := SBOX_BYTE(dword, 2)
/// tmp.byte[3] := SBOX_BYTE(dword, 3)
/// RETURN tmp
/// }
/// DEFINE L_RND(dword) {
/// tmp := dword
/// tmp := tmp ^ ROL32(dword, 2)
/// tmp := tmp ^ ROL32(dword, 10)
/// tmp := tmp ^ ROL32(dword, 18)
/// tmp := tmp ^ ROL32(dword, 24)
/// RETURN tmp
/// }
/// DEFINE T_RND(dword) {
/// RETURN L_RND(lower_t(dword))
/// }
/// DEFINE F_RND(X0, X1, X2, X3, round_key) {
/// RETURN X0 ^ T_RND(X1 ^ X2 ^ X3 ^ round_key)
/// }
/// FOR i:= 0 to 0
/// P[0] := __B.xmm[i].dword[0]
/// P[1] := __B.xmm[i].dword[1]
/// P[2] := __B.xmm[i].dword[2]
/// P[3] := __B.xmm[i].dword[3]
/// C[0] := F_RND(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0])
/// C[1] := F_RND(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1])
/// C[2] := F_RND(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2])
/// C[3] := F_RND(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3])
/// DEST.xmm[i].dword[0] := C[0]
/// DEST.xmm[i].dword[1] := C[1]
/// DEST.xmm[i].dword[2] := C[2]
/// DEST.xmm[i].dword[3] := C[3]
/// ENDFOR
/// DEST[MAX:128] := 0
/// \endcode
#define _mm_sm4rnds4_epi32(A, B) \
(__m128i) __builtin_ia32_vsm4rnds4128((__v4su)A, (__v4su)B)
/// This intrinisc performs four rounds of SM4 encryption. The intrinisc
/// operates on independent 128-bit lanes. The calculated results are
/// stored in \a dst.
/// \headerfile <immintrin.h>
///
/// \code
/// __m256i _mm256_sm4rnds4_epi32(__m256i __A, __m256i __B)
/// \endcode
///
/// This intrinsic corresponds to the \c VSM4RNDS4 instruction.
///
/// \param __A
/// A 256-bit vector of [8 x int].
/// \param __B
/// A 256-bit vector of [8 x int].
/// \returns
/// A 256-bit vector of [8 x int].
///
/// \code{.operation}
/// DEFINE ROL32(dword, n) {
/// count := n % 32
/// dest := (dword << count) | (dword >> (32-count))
/// RETURN dest
/// }
/// DEFINE lower_t(dword) {
/// tmp.byte[0] := SBOX_BYTE(dword, 0)
/// tmp.byte[1] := SBOX_BYTE(dword, 1)
/// tmp.byte[2] := SBOX_BYTE(dword, 2)
/// tmp.byte[3] := SBOX_BYTE(dword, 3)
/// RETURN tmp
/// }
/// DEFINE L_RND(dword) {
/// tmp := dword
/// tmp := tmp ^ ROL32(dword, 2)
/// tmp := tmp ^ ROL32(dword, 10)
/// tmp := tmp ^ ROL32(dword, 18)
/// tmp := tmp ^ ROL32(dword, 24)
/// RETURN tmp
/// }
/// DEFINE T_RND(dword) {
/// RETURN L_RND(lower_t(dword))
/// }
/// DEFINE F_RND(X0, X1, X2, X3, round_key) {
/// RETURN X0 ^ T_RND(X1 ^ X2 ^ X3 ^ round_key)
/// }
/// FOR i:= 0 to 0
/// P[0] := __B.xmm[i].dword[0]
/// P[1] := __B.xmm[i].dword[1]
/// P[2] := __B.xmm[i].dword[2]
/// P[3] := __B.xmm[i].dword[3]
/// C[0] := F_RND(P[0], P[1], P[2], P[3], __A.xmm[i].dword[0])
/// C[1] := F_RND(P[1], P[2], P[3], C[0], __A.xmm[i].dword[1])
/// C[2] := F_RND(P[2], P[3], C[0], C[1], __A.xmm[i].dword[2])
/// C[3] := F_RND(P[3], C[0], C[1], C[2], __A.xmm[i].dword[3])
/// DEST.xmm[i].dword[0] := C[0]
/// DEST.xmm[i].dword[1] := C[1]
/// DEST.xmm[i].dword[2] := C[2]
/// DEST.xmm[i].dword[3] := C[3]
/// ENDFOR
/// DEST[MAX:256] := 0
/// \endcode
#define _mm256_sm4rnds4_epi32(A, B) \
(__m256i) __builtin_ia32_vsm4rnds4256((__v8su)A, (__v8su)B)
#endif // __SM4INTRIN_H
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