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authorsayantn <sayantn05@gmail.com>2025-04-29 13:50:26 +0530
committerAmanieu d'Antras <amanieu@gmail.com>2025-05-01 11:30:47 +0000
commited25a9bde4102f00e0cef5b784f3a57347f896f9 (patch)
treebe25e17a14463391f3a4901cb1a0d24c68ba708a
parent400dab3df7db5fb9a745634e088e9d906aef805a (diff)
downloadrust-ed25a9bde4102f00e0cef5b784f3a57347f896f9.tar.gz
rust-ed25a9bde4102f00e0cef5b784f3a57347f896f9.zip
Implement `sha512`, `sm3` and `sm4` intrinsics
-rw-r--r--library/stdarch/crates/core_arch/missing-x86.md25
-rw-r--r--library/stdarch/crates/core_arch/src/x86/sha.rs528
2 files changed, 521 insertions, 32 deletions
diff --git a/library/stdarch/crates/core_arch/missing-x86.md b/library/stdarch/crates/core_arch/missing-x86.md
index a190cbe9223..640ec7d0fe7 100644
--- a/library/stdarch/crates/core_arch/missing-x86.md
+++ b/library/stdarch/crates/core_arch/missing-x86.md
@@ -213,31 +213,6 @@
 </p></details>
 
 
-<details><summary>["SHA512", "AVX"]</summary><p>
-
-  * [ ] [`_mm256_sha512msg1_epi64`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_sha512msg1_epi64)
-  * [ ] [`_mm256_sha512msg2_epi64`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_sha512msg2_epi64)
-  * [ ] [`_mm256_sha512rnds2_epi64`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_sha512rnds2_epi64)
-</p></details>
-
-
-<details><summary>["SM3", "AVX"]</summary><p>
-
-  * [ ] [`_mm_sm3msg1_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sm3msg1_epi32)
-  * [ ] [`_mm_sm3msg2_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sm3msg2_epi32)
-  * [ ] [`_mm_sm3rnds2_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sm3rnds2_epi32)
-</p></details>
-
-
-<details><summary>["SM4", "AVX"]</summary><p>
-
-  * [ ] [`_mm256_sm4key4_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_sm4key4_epi32)
-  * [ ] [`_mm256_sm4rnds4_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_sm4rnds4_epi32)
-  * [ ] [`_mm_sm4key4_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sm4key4_epi32)
-  * [ ] [`_mm_sm4rnds4_epi32`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sm4rnds4_epi32)
-</p></details>
-
-
 <details><summary>["SSE"]</summary><p>
 
   * [ ] [`_mm_free`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_free)
diff --git a/library/stdarch/crates/core_arch/src/x86/sha.rs b/library/stdarch/crates/core_arch/src/x86/sha.rs
index 2bf517869b3..8ff64a3d2d5 100644
--- a/library/stdarch/crates/core_arch/src/x86/sha.rs
+++ b/library/stdarch/crates/core_arch/src/x86/sha.rs
@@ -16,6 +16,26 @@ unsafe extern "C" {
     fn sha256msg2(a: i32x4, b: i32x4) -> i32x4;
     #[link_name = "llvm.x86.sha256rnds2"]
     fn sha256rnds2(a: i32x4, b: i32x4, k: i32x4) -> i32x4;
+    #[link_name = "llvm.x86.vsha512msg1"]
+    fn vsha512msg1(a: i64x4, b: i64x2) -> i64x4;
+    #[link_name = "llvm.x86.vsha512msg2"]
+    fn vsha512msg2(a: i64x4, b: i64x4) -> i64x4;
+    #[link_name = "llvm.x86.vsha512rnds2"]
+    fn vsha512rnds2(a: i64x4, b: i64x4, k: i64x2) -> i64x4;
+    #[link_name = "llvm.x86.vsm3msg1"]
+    fn vsm3msg1(a: i32x4, b: i32x4, c: i32x4) -> i32x4;
+    #[link_name = "llvm.x86.vsm3msg2"]
+    fn vsm3msg2(a: i32x4, b: i32x4, c: i32x4) -> i32x4;
+    #[link_name = "llvm.x86.vsm3rnds2"]
+    fn vsm3rnds2(a: i32x4, b: i32x4, c: i32x4, d: i32) -> i32x4;
+    #[link_name = "llvm.x86.vsm4key4128"]
+    fn vsm4key4128(a: i32x4, b: i32x4) -> i32x4;
+    #[link_name = "llvm.x86.vsm4key4256"]
+    fn vsm4key4256(a: i32x8, b: i32x8) -> i32x8;
+    #[link_name = "llvm.x86.vsm4rnds4128"]
+    fn vsm4rnds4128(a: i32x4, b: i32x4) -> i32x4;
+    #[link_name = "llvm.x86.vsm4rnds4256"]
+    fn vsm4rnds4256(a: i32x8, b: i32x8) -> i32x8;
 }
 
 #[cfg(test)]
@@ -118,21 +138,152 @@ pub fn _mm_sha256rnds2_epu32(a: __m128i, b: __m128i, k: __m128i) -> __m128i {
     unsafe { transmute(sha256rnds2(a.as_i32x4(), b.as_i32x4(), k.as_i32x4())) }
 }
 
+/// This intrinsic is one of the two SHA512 message scheduling instructions.
+/// The intrinsic performs an intermediate calculation for the next four SHA512
+/// message qwords. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_sha512msg1_epi64)
+#[inline]
+#[target_feature(enable = "sha512,avx")]
+#[cfg_attr(test, assert_instr(vsha512msg1))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm256_sha512msg1_epi64(a: __m256i, b: __m128i) -> __m256i {
+    unsafe { transmute(vsha512msg1(a.as_i64x4(), b.as_i64x2())) }
+}
+
+/// This intrinsic is one of the two SHA512 message scheduling instructions.
+/// The intrinsic performs the final calculation for the next four SHA512 message
+/// qwords. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_sha512msg2_epi64)
+#[inline]
+#[target_feature(enable = "sha512,avx")]
+#[cfg_attr(test, assert_instr(vsha512msg2))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm256_sha512msg2_epi64(a: __m256i, b: __m256i) -> __m256i {
+    unsafe { transmute(vsha512msg2(a.as_i64x4(), b.as_i64x4())) }
+}
+
+/// This intrinsic performs two rounds of SHA512 operation using initial SHA512 state
+/// `(C,D,G,H)` from `a`, an initial SHA512 state `(A,B,E,F)` from `b`, and a
+/// pre-computed sum of the next two round message qwords and the corresponding
+/// round constants from `c` (only the two lower qwords of the third operand). The
+/// updated SHA512 state `(A,B,E,F)` is written to dst, and dst can be used as the
+/// updated state `(C,D,G,H)` in later rounds.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_sha512rnds2_epi64)
+#[inline]
+#[target_feature(enable = "sha512,avx")]
+#[cfg_attr(test, assert_instr(vsha512rnds2))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm256_sha512rnds2_epi64(a: __m256i, b: __m256i, k: __m128i) -> __m256i {
+    unsafe { transmute(vsha512rnds2(a.as_i64x4(), b.as_i64x4(), k.as_i64x2())) }
+}
+
+/// This is one of the two SM3 message scheduling intrinsics. The intrinsic performs
+/// an initial calculation for the next four SM3 message words. The calculated results
+/// are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sm3msg1_epi32)
+#[inline]
+#[target_feature(enable = "sm3,avx")]
+#[cfg_attr(test, assert_instr(vsm3msg1))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm_sm3msg1_epi32(a: __m128i, b: __m128i, c: __m128i) -> __m128i {
+    unsafe { transmute(vsm3msg1(a.as_i32x4(), b.as_i32x4(), c.as_i32x4())) }
+}
+
+/// This is one of the two SM3 message scheduling intrinsics. The intrinsic performs
+/// the final calculation for the next four SM3 message words. The calculated results
+/// are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sm3msg2_epi32)
+#[inline]
+#[target_feature(enable = "sm3,avx")]
+#[cfg_attr(test, assert_instr(vsm3msg2))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm_sm3msg2_epi32(a: __m128i, b: __m128i, c: __m128i) -> __m128i {
+    unsafe { transmute(vsm3msg2(a.as_i32x4(), b.as_i32x4(), c.as_i32x4())) }
+}
+
+/// The intrinsic performs two rounds of SM3 operation using initial SM3 state `(C, D, G, H)`
+/// from `a`, an initial SM3 states `(A, B, E, F)` from `b` and a pre-computed words from the
+/// `c`. `a` with initial SM3 state of `(C, D, G, H)` assumes input of non-rotated left variables
+/// from previous state. The updated SM3 state `(A, B, E, F)` is written to `a`. The `imm8`
+/// should contain the even round number for the first of the two rounds computed by this instruction.
+/// The computation masks the `imm8` value by ANDing it with `0x3E` so that only even round numbers
+/// from 0 through 62 are used for this operation. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sm3rnds2_epi32)
+#[inline]
+#[target_feature(enable = "sm3,avx")]
+#[cfg_attr(test, assert_instr(vsm3rnds2, IMM8 = 0))]
+#[rustc_legacy_const_generics(3)]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm_sm3rnds2_epi32<const IMM8: i32>(a: __m128i, b: __m128i, c: __m128i) -> __m128i {
+    static_assert!(
+        IMM8 == (IMM8 & 0x3e),
+        "IMM8 must be an even number in the range `0..=62`"
+    );
+    unsafe { transmute(vsm3rnds2(a.as_i32x4(), b.as_i32x4(), c.as_i32x4(), IMM8)) }
+}
+
+/// This intrinsic performs four rounds of SM4 key expansion. The intrinsic operates on independent
+/// 128-bit lanes. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sm4key4_epi32)
+#[inline]
+#[target_feature(enable = "sm4,avx")]
+#[cfg_attr(test, assert_instr(vsm4key4))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm_sm4key4_epi32(a: __m128i, b: __m128i) -> __m128i {
+    unsafe { transmute(vsm4key4128(a.as_i32x4(), b.as_i32x4())) }
+}
+
+/// This intrinsic performs four rounds of SM4 key expansion. The intrinsic operates on independent
+/// 128-bit lanes. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_sm4key4_epi32)
+#[inline]
+#[target_feature(enable = "sm4,avx")]
+#[cfg_attr(test, assert_instr(vsm4key4))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm256_sm4key4_epi32(a: __m256i, b: __m256i) -> __m256i {
+    unsafe { transmute(vsm4key4256(a.as_i32x8(), b.as_i32x8())) }
+}
+
+/// This intrinsic performs four rounds of SM4 encryption. The intrinsic operates on independent
+/// 128-bit lanes. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sm4rnds4_epi32)
+#[inline]
+#[target_feature(enable = "sm4,avx")]
+#[cfg_attr(test, assert_instr(vsm4rnds4))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm_sm4rnds4_epi32(a: __m128i, b: __m128i) -> __m128i {
+    unsafe { transmute(vsm4rnds4128(a.as_i32x4(), b.as_i32x4())) }
+}
+
+/// This intrinsic performs four rounds of SM4 encryption. The intrinsic operates on independent
+/// 128-bit lanes. The calculated results are stored in dst.
+///
+/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_sm4rnds4_epi32)
+#[inline]
+#[target_feature(enable = "sm4,avx")]
+#[cfg_attr(test, assert_instr(vsm4rnds4))]
+#[unstable(feature = "sha512_sm_x86", issue = "126624")]
+pub fn _mm256_sm4rnds4_epi32(a: __m256i, b: __m256i) -> __m256i {
+    unsafe { transmute(vsm4rnds4256(a.as_i32x8(), b.as_i32x8())) }
+}
+
 #[cfg(test)]
 mod tests {
-    use std::{
-        f32, f64,
-        mem::{self, transmute},
-    };
-
     use crate::{
         core_arch::{simd::*, x86::*},
         hint::black_box,
     };
     use stdarch_test::simd_test;
 
-    const NAN: f64 = f64::NAN;
-
     #[simd_test(enable = "sha")]
     #[allow(overflowing_literals)]
     unsafe fn test_mm_sha1msg1_epu32() {
@@ -215,4 +366,367 @@ mod tests {
         let r = _mm_sha256rnds2_epu32(a, b, k);
         assert_eq_m128i(r, expected);
     }
+
+    static DATA_64: [u64; 10] = [
+        0x0011223344556677,
+        0x8899aabbccddeeff,
+        0xffeeddccbbaa9988,
+        0x7766554433221100,
+        0x0123456789abcdef,
+        0xfedcba9876543210,
+        0x02468ace13579bdf,
+        0xfdb97531eca86420,
+        0x048c159d26ae37bf,
+        0xfb73ea62d951c840,
+    ];
+
+    #[simd_test(enable = "sha512,avx")]
+    unsafe fn test_mm256_sha512msg1_epi64() {
+        fn s0(word: u64) -> u64 {
+            word.rotate_right(1) ^ word.rotate_right(8) ^ (word >> 7)
+        }
+
+        let A = &DATA_64[0..4];
+        let B = &DATA_64[4..6];
+
+        let a = _mm256_loadu_si256(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+
+        let r = _mm256_sha512msg1_epi64(a, b);
+
+        let e = _mm256_setr_epi64x(
+            A[0].wrapping_add(s0(A[1])) as _,
+            A[1].wrapping_add(s0(A[2])) as _,
+            A[2].wrapping_add(s0(A[3])) as _,
+            A[3].wrapping_add(s0(B[0])) as _,
+        );
+
+        assert_eq_m256i(r, e);
+    }
+
+    #[simd_test(enable = "sha512,avx")]
+    unsafe fn test_mm256_sha512msg2_epi64() {
+        fn s1(word: u64) -> u64 {
+            word.rotate_right(19) ^ word.rotate_right(61) ^ (word >> 6)
+        }
+
+        let A = &DATA_64[0..4];
+        let B = &DATA_64[4..8];
+
+        let a = _mm256_loadu_si256(A.as_ptr().cast());
+        let b = _mm256_loadu_si256(B.as_ptr().cast());
+
+        let r = _mm256_sha512msg2_epi64(a, b);
+
+        let e0 = A[0].wrapping_add(s1(B[2]));
+        let e1 = A[1].wrapping_add(s1(B[3]));
+        let e = _mm256_setr_epi64x(
+            e0 as _,
+            e1 as _,
+            A[2].wrapping_add(s1(e0)) as _,
+            A[3].wrapping_add(s1(e1)) as _,
+        );
+
+        assert_eq_m256i(r, e);
+    }
+
+    #[simd_test(enable = "sha512,avx")]
+    unsafe fn test_mm256_sha512rnds2_epi64() {
+        fn cap_sigma0(word: u64) -> u64 {
+            word.rotate_right(28) ^ word.rotate_right(34) ^ word.rotate_right(39)
+        }
+
+        fn cap_sigma1(word: u64) -> u64 {
+            word.rotate_right(14) ^ word.rotate_right(18) ^ word.rotate_right(41)
+        }
+
+        fn maj(a: u64, b: u64, c: u64) -> u64 {
+            (a & b) ^ (a & c) ^ (b & c)
+        }
+
+        fn ch(e: u64, f: u64, g: u64) -> u64 {
+            (e & f) ^ (g & !e)
+        }
+
+        let A = &DATA_64[0..4];
+        let B = &DATA_64[4..8];
+        let K = &DATA_64[8..10];
+
+        let a = _mm256_loadu_si256(A.as_ptr().cast());
+        let b = _mm256_loadu_si256(B.as_ptr().cast());
+        let k = _mm_loadu_si128(K.as_ptr().cast());
+
+        let r = _mm256_sha512rnds2_epi64(a, b, k);
+
+        let mut array = [B[3], B[2], A[3], A[2], B[1], B[0], A[1], A[0]];
+        for i in 0..2 {
+            let new_d = ch(array[4], array[5], array[6])
+                .wrapping_add(cap_sigma1(array[4]))
+                .wrapping_add(K[i])
+                .wrapping_add(array[7]);
+            array[7] = new_d
+                .wrapping_add(maj(array[0], array[1], array[2]))
+                .wrapping_add(cap_sigma0(array[0]));
+            array[3] = new_d.wrapping_add(array[3]);
+            array.rotate_right(1);
+        }
+        let e = _mm256_setr_epi64x(array[5] as _, array[4] as _, array[1] as _, array[0] as _);
+
+        assert_eq_m256i(r, e);
+    }
+
+    static DATA_32: [u32; 16] = [
+        0x00112233, 0x44556677, 0x8899aabb, 0xccddeeff, 0xffeeddcc, 0xbbaa9988, 0x77665544,
+        0x33221100, 0x01234567, 0x89abcdef, 0xfedcba98, 0x76543210, 0x02468ace, 0x13579bdf,
+        0xfdb97531, 0xeca86420,
+    ];
+
+    #[simd_test(enable = "sm3,avx")]
+    unsafe fn test_mm_sm3msg1_epi32() {
+        fn p1(x: u32) -> u32 {
+            x ^ x.rotate_left(15) ^ x.rotate_left(23)
+        }
+        let A = &DATA_32[0..4];
+        let B = &DATA_32[4..8];
+        let C = &DATA_32[8..12];
+
+        let a = _mm_loadu_si128(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+        let c = _mm_loadu_si128(C.as_ptr().cast());
+
+        let r = _mm_sm3msg1_epi32(a, b, c);
+
+        let e = _mm_setr_epi32(
+            p1(A[0] ^ C[0] ^ B[0].rotate_left(15)) as _,
+            p1(A[1] ^ C[1] ^ B[1].rotate_left(15)) as _,
+            p1(A[2] ^ C[2] ^ B[2].rotate_left(15)) as _,
+            p1(A[3] ^ C[3]) as _,
+        );
+
+        assert_eq_m128i(r, e);
+    }
+
+    #[simd_test(enable = "sm3,avx")]
+    unsafe fn test_mm_sm3msg2_epi32() {
+        let A = &DATA_32[0..4];
+        let B = &DATA_32[4..8];
+        let C = &DATA_32[8..12];
+
+        let a = _mm_loadu_si128(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+        let c = _mm_loadu_si128(C.as_ptr().cast());
+
+        let r = _mm_sm3msg2_epi32(a, b, c);
+
+        let e0 = B[0].rotate_left(7) ^ C[0] ^ A[0];
+        let e = _mm_setr_epi32(
+            e0 as _,
+            (B[1].rotate_left(7) ^ C[1] ^ A[1]) as _,
+            (B[2].rotate_left(7) ^ C[2] ^ A[2]) as _,
+            (B[3].rotate_left(7)
+                ^ C[3]
+                ^ A[3]
+                ^ e0.rotate_left(6)
+                ^ e0.rotate_left(15)
+                ^ e0.rotate_left(30)) as _,
+        );
+
+        assert_eq_m128i(r, e);
+    }
+
+    #[simd_test(enable = "sm3,avx")]
+    unsafe fn test_mm_sm3rnds2_epi32() {
+        fn p0(x: u32) -> u32 {
+            x ^ x.rotate_left(9) ^ x.rotate_left(17)
+        }
+        fn ff(x: u32, y: u32, z: u32, round: u32) -> u32 {
+            if round < 16 {
+                x ^ y ^ z
+            } else {
+                (x & y) | (x & z) | (y & z)
+            }
+        }
+        fn gg(x: u32, y: u32, z: u32, round: u32) -> u32 {
+            if round < 16 {
+                x ^ y ^ z
+            } else {
+                (x & y) | (!x & z)
+            }
+        }
+
+        const ROUND: u32 = 30;
+
+        let A = &DATA_32[0..4];
+        let B = &DATA_32[4..8];
+        let C = &DATA_32[8..12];
+
+        let a = _mm_loadu_si128(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+        let c = _mm_loadu_si128(C.as_ptr().cast());
+
+        let r = _mm_sm3rnds2_epi32::<{ ROUND as i32 }>(a, b, c);
+
+        let CONST: u32 = if ROUND < 16 { 0x79cc4519 } else { 0x7a879d8a };
+
+        let mut array = [
+            B[3],
+            B[2],
+            A[3].rotate_left(9),
+            A[2].rotate_left(9),
+            B[1],
+            B[0],
+            A[1].rotate_left(19),
+            A[0].rotate_left(19),
+        ];
+
+        for i in 0..2 {
+            let s1 = array[0]
+                .rotate_left(12)
+                .wrapping_add(array[4])
+                .wrapping_add(CONST.rotate_left(ROUND as u32 + i as u32))
+                .rotate_left(7);
+            let s2 = s1 ^ array[0].rotate_left(12);
+
+            let t1 = ff(array[0], array[1], array[2], ROUND)
+                .wrapping_add(array[3])
+                .wrapping_add(s2)
+                .wrapping_add(C[i] ^ C[i + 2]);
+            let t2 = gg(array[4], array[5], array[6], ROUND)
+                .wrapping_add(array[7])
+                .wrapping_add(s1)
+                .wrapping_add(C[i]);
+
+            array[3] = array[2];
+            array[2] = array[1].rotate_left(9);
+            array[1] = array[0];
+            array[0] = t1;
+            array[7] = array[6];
+            array[6] = array[5].rotate_left(19);
+            array[5] = array[4];
+            array[4] = p0(t2);
+        }
+
+        let e = _mm_setr_epi32(array[5] as _, array[4] as _, array[1] as _, array[0] as _);
+
+        assert_eq_m128i(r, e);
+    }
+
+    fn lower_t(x: u32) -> u32 {
+        static SBOX: [u8; 256] = [
+            0xD6, 0x90, 0xE9, 0xFE, 0xCC, 0xE1, 0x3D, 0xB7, 0x16, 0xB6, 0x14, 0xC2, 0x28, 0xFB,
+            0x2C, 0x05, 0x2B, 0x67, 0x9A, 0x76, 0x2A, 0xBE, 0x04, 0xC3, 0xAA, 0x44, 0x13, 0x26,
+            0x49, 0x86, 0x06, 0x99, 0x9C, 0x42, 0x50, 0xF4, 0x91, 0xEF, 0x98, 0x7A, 0x33, 0x54,
+            0x0B, 0x43, 0xED, 0xCF, 0xAC, 0x62, 0xE4, 0xB3, 0x1C, 0xA9, 0xC9, 0x08, 0xE8, 0x95,
+            0x80, 0xDF, 0x94, 0xFA, 0x75, 0x8F, 0x3F, 0xA6, 0x47, 0x07, 0xA7, 0xFC, 0xF3, 0x73,
+            0x17, 0xBA, 0x83, 0x59, 0x3C, 0x19, 0xE6, 0x85, 0x4F, 0xA8, 0x68, 0x6B, 0x81, 0xB2,
+            0x71, 0x64, 0xDA, 0x8B, 0xF8, 0xEB, 0x0F, 0x4B, 0x70, 0x56, 0x9D, 0x35, 0x1E, 0x24,
+            0x0E, 0x5E, 0x63, 0x58, 0xD1, 0xA2, 0x25, 0x22, 0x7C, 0x3B, 0x01, 0x21, 0x78, 0x87,
+            0xD4, 0x00, 0x46, 0x57, 0x9F, 0xD3, 0x27, 0x52, 0x4C, 0x36, 0x02, 0xE7, 0xA0, 0xC4,
+            0xC8, 0x9E, 0xEA, 0xBF, 0x8A, 0xD2, 0x40, 0xC7, 0x38, 0xB5, 0xA3, 0xF7, 0xF2, 0xCE,
+            0xF9, 0x61, 0x15, 0xA1, 0xE0, 0xAE, 0x5D, 0xA4, 0x9B, 0x34, 0x1A, 0x55, 0xAD, 0x93,
+            0x32, 0x30, 0xF5, 0x8C, 0xB1, 0xE3, 0x1D, 0xF6, 0xE2, 0x2E, 0x82, 0x66, 0xCA, 0x60,
+            0xC0, 0x29, 0x23, 0xAB, 0x0D, 0x53, 0x4E, 0x6F, 0xD5, 0xDB, 0x37, 0x45, 0xDE, 0xFD,
+            0x8E, 0x2F, 0x03, 0xFF, 0x6A, 0x72, 0x6D, 0x6C, 0x5B, 0x51, 0x8D, 0x1B, 0xAF, 0x92,
+            0xBB, 0xDD, 0xBC, 0x7F, 0x11, 0xD9, 0x5C, 0x41, 0x1F, 0x10, 0x5A, 0xD8, 0x0A, 0xC1,
+            0x31, 0x88, 0xA5, 0xCD, 0x7B, 0xBD, 0x2D, 0x74, 0xD0, 0x12, 0xB8, 0xE5, 0xB4, 0xB0,
+            0x89, 0x69, 0x97, 0x4A, 0x0C, 0x96, 0x77, 0x7E, 0x65, 0xB9, 0xF1, 0x09, 0xC5, 0x6E,
+            0xC6, 0x84, 0x18, 0xF0, 0x7D, 0xEC, 0x3A, 0xDC, 0x4D, 0x20, 0x79, 0xEE, 0x5F, 0x3E,
+            0xD7, 0xCB, 0x39, 0x48,
+        ];
+
+        ((SBOX[(x >> 24) as usize] as u32) << 24)
+            | ((SBOX[((x >> 16) & 0xff) as usize] as u32) << 16)
+            | ((SBOX[((x >> 8) & 0xff) as usize] as u32) << 8)
+            | (SBOX[(x & 0xff) as usize] as u32)
+    }
+
+    #[simd_test(enable = "sm4,avx")]
+    unsafe fn test_mm_sm4key4_epi32() {
+        fn l_key(x: u32) -> u32 {
+            x ^ x.rotate_left(13) ^ x.rotate_left(23)
+        }
+        fn f_key(x0: u32, x1: u32, x2: u32, x3: u32, rk: u32) -> u32 {
+            x0 ^ l_key(lower_t(x1 ^ x2 ^ x3 ^ rk))
+        }
+
+        let A = &DATA_32[0..4];
+        let B = &DATA_32[4..8];
+
+        let a = _mm_loadu_si128(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+
+        let r = _mm_sm4key4_epi32(a, b);
+
+        let e0 = f_key(A[0], A[1], A[2], A[3], B[0]);
+        let e1 = f_key(A[1], A[2], A[3], e0, B[1]);
+        let e2 = f_key(A[2], A[3], e0, e1, B[2]);
+        let e3 = f_key(A[3], e0, e1, e2, B[3]);
+        let e = _mm_setr_epi32(e0 as _, e1 as _, e2 as _, e3 as _);
+
+        assert_eq_m128i(r, e);
+    }
+
+    #[simd_test(enable = "sm4,avx")]
+    unsafe fn test_mm256_sm4key4_epi32() {
+        let a_low = _mm_loadu_si128(DATA_32.as_ptr().cast());
+        let a_high = _mm_loadu_si128(DATA_32[4..].as_ptr().cast());
+        let b_low = _mm_loadu_si128(DATA_32[8..].as_ptr().cast());
+        let b_high = _mm_loadu_si128(DATA_32[12..].as_ptr().cast());
+
+        let a = _mm256_set_m128i(a_high, a_low);
+        let b = _mm256_set_m128i(b_high, b_low);
+
+        let r = _mm256_sm4key4_epi32(a, b);
+
+        let e_low = _mm_sm4key4_epi32(a_low, b_low);
+        let e_high = _mm_sm4key4_epi32(a_high, b_high);
+        let e = _mm256_set_m128i(e_high, e_low);
+
+        assert_eq_m256i(r, e);
+    }
+
+    #[simd_test(enable = "sm4,avx")]
+    unsafe fn test_mm_sm4rnds4_epi32() {
+        fn l_rnd(x: u32) -> u32 {
+            x ^ x.rotate_left(2) ^ x.rotate_left(10) ^ x.rotate_left(18) ^ x.rotate_left(24)
+        }
+        fn f_rnd(x0: u32, x1: u32, x2: u32, x3: u32, rk: u32) -> u32 {
+            x0 ^ l_rnd(lower_t(x1 ^ x2 ^ x3 ^ rk))
+        }
+
+        let A = &DATA_32[0..4];
+        let B = &DATA_32[4..8];
+
+        let a = _mm_loadu_si128(A.as_ptr().cast());
+        let b = _mm_loadu_si128(B.as_ptr().cast());
+
+        let r = _mm_sm4rnds4_epi32(a, b);
+
+        let e0 = f_rnd(A[0], A[1], A[2], A[3], B[0]);
+        let e1 = f_rnd(A[1], A[2], A[3], e0, B[1]);
+        let e2 = f_rnd(A[2], A[3], e0, e1, B[2]);
+        let e3 = f_rnd(A[3], e0, e1, e2, B[3]);
+        let e = _mm_setr_epi32(e0 as _, e1 as _, e2 as _, e3 as _);
+
+        assert_eq_m128i(r, e);
+    }
+
+    #[simd_test(enable = "sm4,avx")]
+    unsafe fn test_mm256_sm4rnds4_epi32() {
+        let a_low = _mm_loadu_si128(DATA_32.as_ptr().cast());
+        let a_high = _mm_loadu_si128(DATA_32[4..].as_ptr().cast());
+        let b_low = _mm_loadu_si128(DATA_32[8..].as_ptr().cast());
+        let b_high = _mm_loadu_si128(DATA_32[12..].as_ptr().cast());
+
+        let a = _mm256_set_m128i(a_high, a_low);
+        let b = _mm256_set_m128i(b_high, b_low);
+
+        let r = _mm256_sm4rnds4_epi32(a, b);
+
+        let e_low = _mm_sm4rnds4_epi32(a_low, b_low);
+        let e_high = _mm_sm4rnds4_epi32(a_high, b_high);
+        let e = _mm256_set_m128i(e_high, e_low);
+
+        assert_eq_m256i(r, e);
+    }
 }