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+/*===--------------- 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
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 19:10:24 +0000