use crate::core_arch::simd::i8x16;
use crate::core_arch::simd::i8x32;
use crate::core_arch::simd::i8x64;
use crate::core_arch::simd_llvm::simd_select_bitmask;
use crate::core_arch::x86::__m128i;
use crate::core_arch::x86::__m256i;
use crate::core_arch::x86::__m512i;
use crate::core_arch::x86::__mmask16;
use crate::core_arch::x86::__mmask32;
use crate::core_arch::x86::__mmask64;
use crate::core_arch::x86::_mm256_setzero_si256;
use crate::core_arch::x86::_mm512_setzero_si512;
use crate::core_arch::x86::_mm_setzero_si128;
use crate::core_arch::x86::m128iExt;
use crate::core_arch::x86::m256iExt;
use crate::core_arch::x86::m512iExt;
use crate::mem::transmute;
#[cfg(test)]
use stdarch_test::assert_instr;
#[allow(improper_ctypes)]
extern "C" {
#[link_name = "llvm.x86.vgf2p8affineinvqb.512"]
fn vgf2p8affineinvqb_512(x: i8x64, a: i8x64, imm8: u8) -> i8x64;
#[link_name = "llvm.x86.vgf2p8affineinvqb.256"]
fn vgf2p8affineinvqb_256(x: i8x32, a: i8x32, imm8: u8) -> i8x32;
#[link_name = "llvm.x86.vgf2p8affineinvqb.128"]
fn vgf2p8affineinvqb_128(x: i8x16, a: i8x16, imm8: u8) -> i8x16;
#[link_name = "llvm.x86.vgf2p8affineqb.512"]
fn vgf2p8affineqb_512(x: i8x64, a: i8x64, imm8: u8) -> i8x64;
#[link_name = "llvm.x86.vgf2p8affineqb.256"]
fn vgf2p8affineqb_256(x: i8x32, a: i8x32, imm8: u8) -> i8x32;
#[link_name = "llvm.x86.vgf2p8affineqb.128"]
fn vgf2p8affineqb_128(x: i8x16, a: i8x16, imm8: u8) -> i8x16;
#[link_name = "llvm.x86.vgf2p8mulb.512"]
fn vgf2p8mulb_512(a: i8x64, b: i8x64) -> i8x64;
#[link_name = "llvm.x86.vgf2p8mulb.256"]
fn vgf2p8mulb_256(a: i8x32, b: i8x32) -> i8x32;
#[link_name = "llvm.x86.vgf2p8mulb.128"]
fn vgf2p8mulb_128(a: i8x16, b: i8x16) -> i8x16;
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm512_gf2p8mul_epi8(a: __m512i, b: __m512i) -> __m512i {
transmute(vgf2p8mulb_512(a.as_i8x64(), b.as_i8x64()))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm512_mask_gf2p8mul_epi8(
src: __m512i,
k: __mmask64,
a: __m512i,
b: __m512i,
) -> __m512i {
transmute(simd_select_bitmask(
k,
vgf2p8mulb_512(a.as_i8x64(), b.as_i8x64()),
src.as_i8x64(),
))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm512_maskz_gf2p8mul_epi8(k: __mmask64, a: __m512i, b: __m512i) -> __m512i {
let zero = _mm512_setzero_si512().as_i8x64();
transmute(simd_select_bitmask(
k,
vgf2p8mulb_512(a.as_i8x64(), b.as_i8x64()),
zero,
))
}
#[inline]
#[target_feature(enable = "gfni,avx")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm256_gf2p8mul_epi8(a: __m256i, b: __m256i) -> __m256i {
transmute(vgf2p8mulb_256(a.as_i8x32(), b.as_i8x32()))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm256_mask_gf2p8mul_epi8(
src: __m256i,
k: __mmask32,
a: __m256i,
b: __m256i,
) -> __m256i {
transmute(simd_select_bitmask(
k,
vgf2p8mulb_256(a.as_i8x32(), b.as_i8x32()),
src.as_i8x32(),
))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm256_maskz_gf2p8mul_epi8(k: __mmask32, a: __m256i, b: __m256i) -> __m256i {
let zero = _mm256_setzero_si256().as_i8x32();
transmute(simd_select_bitmask(
k,
vgf2p8mulb_256(a.as_i8x32(), b.as_i8x32()),
zero,
))
}
#[inline]
#[target_feature(enable = "gfni")]
#[cfg_attr(test, assert_instr(gf2p8mulb))]
pub unsafe fn _mm_gf2p8mul_epi8(a: __m128i, b: __m128i) -> __m128i {
transmute(vgf2p8mulb_128(a.as_i8x16(), b.as_i8x16()))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm_mask_gf2p8mul_epi8(
src: __m128i,
k: __mmask16,
a: __m128i,
b: __m128i,
) -> __m128i {
transmute(simd_select_bitmask(
k,
vgf2p8mulb_128(a.as_i8x16(), b.as_i8x16()),
src.as_i8x16(),
))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8mulb))]
pub unsafe fn _mm_maskz_gf2p8mul_epi8(k: __mmask16, a: __m128i, b: __m128i) -> __m128i {
let zero = _mm_setzero_si128().as_i8x16();
transmute(simd_select_bitmask(
k,
vgf2p8mulb_128(a.as_i8x16(), b.as_i8x16()),
zero,
))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm512_gf2p8affine_epi64_epi8<const B: i32>(x: __m512i, a: __m512i) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineqb_512(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm512_maskz_gf2p8affine_epi64_epi8<const B: i32>(
k: __mmask64,
x: __m512i,
a: __m512i,
) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm512_setzero_si512().as_i8x64();
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineqb_512(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm512_mask_gf2p8affine_epi64_epi8<const B: i32>(
src: __m512i,
k: __mmask64,
x: __m512i,
a: __m512i,
) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineqb_512(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x64()))
}
#[inline]
#[target_feature(enable = "gfni,avx")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm256_gf2p8affine_epi64_epi8<const B: i32>(x: __m256i, a: __m256i) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineqb_256(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm256_maskz_gf2p8affine_epi64_epi8<const B: i32>(
k: __mmask32,
x: __m256i,
a: __m256i,
) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm256_setzero_si256().as_i8x32();
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineqb_256(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm256_mask_gf2p8affine_epi64_epi8<const B: i32>(
src: __m256i,
k: __mmask32,
x: __m256i,
a: __m256i,
) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineqb_256(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x32()))
}
#[inline]
#[target_feature(enable = "gfni")]
#[cfg_attr(test, assert_instr(gf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm_gf2p8affine_epi64_epi8<const B: i32>(x: __m128i, a: __m128i) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineqb_128(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm_maskz_gf2p8affine_epi64_epi8<const B: i32>(
k: __mmask16,
x: __m128i,
a: __m128i,
) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm_setzero_si128().as_i8x16();
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineqb_128(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm_mask_gf2p8affine_epi64_epi8<const B: i32>(
src: __m128i,
k: __mmask16,
x: __m128i,
a: __m128i,
) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineqb_128(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x16()))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm512_gf2p8affineinv_epi64_epi8<const B: i32>(x: __m512i, a: __m512i) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineinvqb_512(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm512_maskz_gf2p8affineinv_epi64_epi8<const B: i32>(
k: __mmask64,
x: __m512i,
a: __m512i,
) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm512_setzero_si512().as_i8x64();
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineinvqb_512(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512f")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm512_mask_gf2p8affineinv_epi64_epi8<const B: i32>(
src: __m512i,
k: __mmask64,
x: __m512i,
a: __m512i,
) -> __m512i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x64();
let a = a.as_i8x64();
let r = vgf2p8affineinvqb_512(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x64()))
}
#[inline]
#[target_feature(enable = "gfni,avx")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm256_gf2p8affineinv_epi64_epi8<const B: i32>(x: __m256i, a: __m256i) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineinvqb_256(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm256_maskz_gf2p8affineinv_epi64_epi8<const B: i32>(
k: __mmask32,
x: __m256i,
a: __m256i,
) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm256_setzero_si256().as_i8x32();
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineinvqb_256(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm256_mask_gf2p8affineinv_epi64_epi8<const B: i32>(
src: __m256i,
k: __mmask32,
x: __m256i,
a: __m256i,
) -> __m256i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x32();
let a = a.as_i8x32();
let r = vgf2p8affineinvqb_256(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x32()))
}
#[inline]
#[target_feature(enable = "gfni")]
#[cfg_attr(test, assert_instr(gf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm_gf2p8affineinv_epi64_epi8<const B: i32>(x: __m128i, a: __m128i) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineinvqb_128(x, a, b);
transmute(r)
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(3)]
pub unsafe fn _mm_maskz_gf2p8affineinv_epi64_epi8<const B: i32>(
k: __mmask16,
x: __m128i,
a: __m128i,
) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let zero = _mm_setzero_si128().as_i8x16();
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineinvqb_128(x, a, b);
transmute(simd_select_bitmask(k, r, zero))
}
#[inline]
#[target_feature(enable = "gfni,avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vgf2p8affineinvqb, B = 0))]
#[rustc_legacy_const_generics(4)]
pub unsafe fn _mm_mask_gf2p8affineinv_epi64_epi8<const B: i32>(
src: __m128i,
k: __mmask16,
x: __m128i,
a: __m128i,
) -> __m128i {
static_assert_uimm_bits!(B, 8);
let b = B as u8;
let x = x.as_i8x16();
let a = a.as_i8x16();
let r = vgf2p8affineinvqb_128(x, a, b);
transmute(simd_select_bitmask(k, r, src.as_i8x16()))
}
#[cfg(test)]
mod tests {
#![allow(overflowing_literals)]
use core::hint::black_box;
use core::intrinsics::size_of;
use stdarch_test::simd_test;
use crate::core_arch::x86::*;
fn mulbyte(left: u8, right: u8) -> u8 {
const REDUCTION_POLYNOMIAL: u16 = 0x11b;
let left: u16 = left.into();
let right: u16 = right.into();
let mut carryless_product: u16 = 0;
for i in 0..8 {
if ((left >> i) & 0x01) != 0 {
carryless_product ^= right << i;
}
}
for i in (8..=14).rev() {
if ((carryless_product >> i) & 0x01) != 0 {
carryless_product ^= REDUCTION_POLYNOMIAL << (i - 8);
}
}
carryless_product as u8
}
const NUM_TEST_WORDS_512: usize = 4;
const NUM_TEST_WORDS_256: usize = NUM_TEST_WORDS_512 * 2;
const NUM_TEST_WORDS_128: usize = NUM_TEST_WORDS_256 * 2;
const NUM_TEST_ENTRIES: usize = NUM_TEST_WORDS_512 * 64;
const NUM_TEST_WORDS_64: usize = NUM_TEST_WORDS_128 * 2;
const NUM_BYTES: usize = 256;
const NUM_BYTES_WORDS_128: usize = NUM_BYTES / 16;
const NUM_BYTES_WORDS_256: usize = NUM_BYTES_WORDS_128 / 2;
const NUM_BYTES_WORDS_512: usize = NUM_BYTES_WORDS_256 / 2;
fn parity(input: u8) -> u8 {
let mut accumulator = 0;
for i in 0..8 {
accumulator ^= (input >> i) & 0x01;
}
accumulator
}
fn mat_vec_multiply_affine(matrix: u64, x: u8, b: u8) -> u8 {
let mut accumulator = 0;
for bit in 0..8 {
accumulator |= parity(x & matrix.to_le_bytes()[bit]) << (7 - bit);
}
accumulator ^ b
}
fn generate_affine_mul_test_data(
immediate: u8,
) -> (
[u64; NUM_TEST_WORDS_64],
[u8; NUM_TEST_ENTRIES],
[u8; NUM_TEST_ENTRIES],
) {
let mut left: [u64; NUM_TEST_WORDS_64] = [0; NUM_TEST_WORDS_64];
let mut right: [u8; NUM_TEST_ENTRIES] = [0; NUM_TEST_ENTRIES];
let mut result: [u8; NUM_TEST_ENTRIES] = [0; NUM_TEST_ENTRIES];
for i in 0..NUM_TEST_WORDS_64 {
left[i] = (i as u64) * 103 * 101;
for j in 0..8 {
let j64 = j as u64;
right[i * 8 + j] = ((left[i] + j64) % 256) as u8;
result[i * 8 + j] = mat_vec_multiply_affine(left[i], right[i * 8 + j], immediate);
}
}
(left, right, result)
}
fn generate_inv_tests_data() -> ([u8; NUM_BYTES], [u8; NUM_BYTES]) {
let mut input: [u8; NUM_BYTES] = [0; NUM_BYTES];
let mut result: [u8; NUM_BYTES] = [0; NUM_BYTES];
for i in 0..NUM_BYTES {
input[i] = (i % 256) as u8;
result[i] = if i == 0 { 0 } else { 1 };
}
(input, result)
}
const AES_S_BOX: [u8; NUM_BYTES] = [
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab,
0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4,
0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71,
0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,
0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6,
0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb,
0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45,
0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44,
0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a,
0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49,
0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d,
0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25,
0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e,
0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1,
0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb,
0x16,
];
fn generate_byte_mul_test_data() -> (
[u8; NUM_TEST_ENTRIES],
[u8; NUM_TEST_ENTRIES],
[u8; NUM_TEST_ENTRIES],
) {
let mut left: [u8; NUM_TEST_ENTRIES] = [0; NUM_TEST_ENTRIES];
let mut right: [u8; NUM_TEST_ENTRIES] = [0; NUM_TEST_ENTRIES];
let mut result: [u8; NUM_TEST_ENTRIES] = [0; NUM_TEST_ENTRIES];
for i in 0..NUM_TEST_ENTRIES {
left[i] = (i % 256) as u8;
right[i] = left[i].wrapping_mul(101);
result[i] = mulbyte(left[i], right[i]);
}
(left, right, result)
}
#[target_feature(enable = "sse2")]
unsafe fn load_m128i_word<T>(data: &[T], word_index: usize) -> __m128i {
let byte_offset = word_index * 16 / size_of::<T>();
let pointer = data.as_ptr().add(byte_offset) as *const __m128i;
_mm_loadu_si128(black_box(pointer))
}
#[target_feature(enable = "avx")]
unsafe fn load_m256i_word<T>(data: &[T], word_index: usize) -> __m256i {
let byte_offset = word_index * 32 / size_of::<T>();
let pointer = data.as_ptr().add(byte_offset) as *const __m256i;
_mm256_loadu_si256(black_box(pointer))
}
#[target_feature(enable = "avx512f")]
unsafe fn load_m512i_word<T>(data: &[T], word_index: usize) -> __m512i {
let byte_offset = word_index * 64 / size_of::<T>();
let pointer = data.as_ptr().add(byte_offset) as *const i32;
_mm512_loadu_si512(black_box(pointer))
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_gf2p8mul_epi8() {
let (left, right, expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_512 {
let left = load_m512i_word(&left, i);
let right = load_m512i_word(&right, i);
let expected = load_m512i_word(&expected, i);
let result = _mm512_gf2p8mul_epi8(left, right);
assert_eq_m512i(result, expected);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_maskz_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_512 {
let left = load_m512i_word(&left, i);
let right = load_m512i_word(&right, i);
let result_zero = _mm512_maskz_gf2p8mul_epi8(0, left, right);
assert_eq_m512i(result_zero, _mm512_setzero_si512());
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8mul_epi8(left, right);
let result_masked = _mm512_maskz_gf2p8mul_epi8(mask_bytes, left, right);
let expected_masked =
_mm512_mask_blend_epi32(mask_words, _mm512_setzero_si512(), expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_mask_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_512 {
let left = load_m512i_word(&left, i);
let right = load_m512i_word(&right, i);
let result_left = _mm512_mask_gf2p8mul_epi8(left, 0, left, right);
assert_eq_m512i(result_left, left);
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8mul_epi8(left, right);
let result_masked = _mm512_mask_gf2p8mul_epi8(left, mask_bytes, left, right);
let expected_masked = _mm512_mask_blend_epi32(mask_words, left, expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_gf2p8mul_epi8() {
let (left, right, expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_256 {
let left = load_m256i_word(&left, i);
let right = load_m256i_word(&right, i);
let expected = load_m256i_word(&expected, i);
let result = _mm256_gf2p8mul_epi8(left, right);
assert_eq_m256i(result, expected);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_maskz_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_256 {
let left = load_m256i_word(&left, i);
let right = load_m256i_word(&right, i);
let result_zero = _mm256_maskz_gf2p8mul_epi8(0, left, right);
assert_eq_m256i(result_zero, _mm256_setzero_si256());
let mask_bytes: __mmask32 = 0x0F_F0_FF_00;
const MASK_WORDS: i32 = 0b01_10_11_00;
let expected_result = _mm256_gf2p8mul_epi8(left, right);
let result_masked = _mm256_maskz_gf2p8mul_epi8(mask_bytes, left, right);
let expected_masked =
_mm256_blend_epi32::<MASK_WORDS>(_mm256_setzero_si256(), expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_mask_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_256 {
let left = load_m256i_word(&left, i);
let right = load_m256i_word(&right, i);
let result_left = _mm256_mask_gf2p8mul_epi8(left, 0, left, right);
assert_eq_m256i(result_left, left);
let mask_bytes: __mmask32 = 0x0F_F0_FF_00;
const MASK_WORDS: i32 = 0b01_10_11_00;
let expected_result = _mm256_gf2p8mul_epi8(left, right);
let result_masked = _mm256_mask_gf2p8mul_epi8(left, mask_bytes, left, right);
let expected_masked = _mm256_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_gf2p8mul_epi8() {
let (left, right, expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_128 {
let left = load_m128i_word(&left, i);
let right = load_m128i_word(&right, i);
let expected = load_m128i_word(&expected, i);
let result = _mm_gf2p8mul_epi8(left, right);
assert_eq_m128i(result, expected);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_maskz_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_128 {
let left = load_m128i_word(&left, i);
let right = load_m128i_word(&right, i);
let result_zero = _mm_maskz_gf2p8mul_epi8(0, left, right);
assert_eq_m128i(result_zero, _mm_setzero_si128());
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8mul_epi8(left, right);
let result_masked = _mm_maskz_gf2p8mul_epi8(mask_bytes, left, right);
let expected_masked =
_mm_blend_epi32::<MASK_WORDS>(_mm_setzero_si128(), expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_mask_gf2p8mul_epi8() {
let (left, right, _expected) = generate_byte_mul_test_data();
for i in 0..NUM_TEST_WORDS_128 {
let left = load_m128i_word(&left, i);
let right = load_m128i_word(&right, i);
let result_left = _mm_mask_gf2p8mul_epi8(left, 0, left, right);
assert_eq_m128i(result_left, left);
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8mul_epi8(left, right);
let result_masked = _mm_mask_gf2p8mul_epi8(left, mask_bytes, left, right);
let expected_masked = _mm_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_gf2p8affine_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
let constant: i64 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm512_set1_epi64(identity);
let constant = _mm512_set1_epi64(constant);
let constant_reference = _mm512_set1_epi8(CONSTANT_BYTE as i8);
let (bytes, more_bytes, _) = generate_byte_mul_test_data();
let (matrices, vectors, references) = generate_affine_mul_test_data(IDENTITY_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let data = load_m512i_word(&bytes, i);
let result = _mm512_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m512i(result, data);
let result = _mm512_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m512i(result, constant_reference);
let data = load_m512i_word(&more_bytes, i);
let result = _mm512_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m512i(result, data);
let result = _mm512_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m512i(result, constant_reference);
let matrix = load_m512i_word(&matrices, i);
let vector = load_m512i_word(&vectors, i);
let reference = load_m512i_word(&references, i);
let result = _mm512_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(vector, matrix);
assert_eq_m512i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_maskz_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let matrix = load_m512i_word(&matrices, i);
let vector = load_m512i_word(&vectors, i);
let result_zero =
_mm512_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m512i(result_zero, _mm512_setzero_si512());
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm512_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm512_mask_blend_epi32(mask_words, _mm512_setzero_si512(), expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_mask_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let left = load_m512i_word(&vectors, i);
let right = load_m512i_word(&matrices, i);
let result_left =
_mm512_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m512i(result_left, left);
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked =
_mm512_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, mask_bytes, left, right);
let expected_masked = _mm512_mask_blend_epi32(mask_words, left, expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_gf2p8affine_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
let constant: i64 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm256_set1_epi64x(identity);
let constant = _mm256_set1_epi64x(constant);
let constant_reference = _mm256_set1_epi8(CONSTANT_BYTE as i8);
let (bytes, more_bytes, _) = generate_byte_mul_test_data();
let (matrices, vectors, references) = generate_affine_mul_test_data(IDENTITY_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let data = load_m256i_word(&bytes, i);
let result = _mm256_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m256i(result, data);
let result = _mm256_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m256i(result, constant_reference);
let data = load_m256i_word(&more_bytes, i);
let result = _mm256_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m256i(result, data);
let result = _mm256_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m256i(result, constant_reference);
let matrix = load_m256i_word(&matrices, i);
let vector = load_m256i_word(&vectors, i);
let reference = load_m256i_word(&references, i);
let result = _mm256_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(vector, matrix);
assert_eq_m256i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_maskz_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let matrix = load_m256i_word(&matrices, i);
let vector = load_m256i_word(&vectors, i);
let result_zero =
_mm256_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m256i(result_zero, _mm256_setzero_si256());
let mask_bytes: __mmask32 = 0xFF_0F_F0_00;
const MASK_WORDS: i32 = 0b11_01_10_00;
let expected_result = _mm256_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm256_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm256_blend_epi32::<MASK_WORDS>(_mm256_setzero_si256(), expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_mask_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let left = load_m256i_word(&vectors, i);
let right = load_m256i_word(&matrices, i);
let result_left =
_mm256_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m256i(result_left, left);
let mask_bytes: __mmask32 = 0xFF_0F_F0_00;
const MASK_WORDS: i32 = 0b11_01_10_00;
let expected_result = _mm256_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked =
_mm256_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, mask_bytes, left, right);
let expected_masked = _mm256_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_gf2p8affine_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
let constant: i64 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm_set1_epi64x(identity);
let constant = _mm_set1_epi64x(constant);
let constant_reference = _mm_set1_epi8(CONSTANT_BYTE as i8);
let (bytes, more_bytes, _) = generate_byte_mul_test_data();
let (matrices, vectors, references) = generate_affine_mul_test_data(IDENTITY_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let data = load_m128i_word(&bytes, i);
let result = _mm_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m128i(result, data);
let result = _mm_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m128i(result, constant_reference);
let data = load_m128i_word(&more_bytes, i);
let result = _mm_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(data, identity);
assert_eq_m128i(result, data);
let result = _mm_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(data, constant);
assert_eq_m128i(result, constant_reference);
let matrix = load_m128i_word(&matrices, i);
let vector = load_m128i_word(&vectors, i);
let reference = load_m128i_word(&references, i);
let result = _mm_gf2p8affine_epi64_epi8::<IDENTITY_BYTE>(vector, matrix);
assert_eq_m128i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_maskz_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let matrix = load_m128i_word(&matrices, i);
let vector = load_m128i_word(&vectors, i);
let result_zero = _mm_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m128i(result_zero, _mm_setzero_si128());
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm_maskz_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm_blend_epi32::<MASK_WORDS>(_mm_setzero_si128(), expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_mask_gf2p8affine_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let left = load_m128i_word(&vectors, i);
let right = load_m128i_word(&matrices, i);
let result_left =
_mm_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m128i(result_left, left);
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked =
_mm_mask_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(left, mask_bytes, left, right);
let expected_masked = _mm_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_gf2p8affineinv_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm512_set1_epi64(identity);
let (inputs, results) = generate_inv_tests_data();
for i in 0..NUM_BYTES_WORDS_512 {
let input = load_m512i_word(&inputs, i);
let reference = load_m512i_word(&results, i);
let result = _mm512_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(input, identity);
let remultiplied = _mm512_gf2p8mul_epi8(result, input);
assert_eq_m512i(remultiplied, reference);
}
let (matrices, vectors, _affine_expected) =
generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let vector = load_m512i_word(&vectors, i);
let matrix = load_m512i_word(&matrices, i);
let inv_vec = _mm512_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(vector, identity);
let reference = _mm512_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(inv_vec, matrix);
let result = _mm512_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
assert_eq_m512i(result, reference);
}
const AES_S_BOX_MATRIX: i64 = 0xF1_E3_C7_8F_1F_3E_7C_F8;
let sbox_matrix = _mm512_set1_epi64(AES_S_BOX_MATRIX);
for i in 0..NUM_BYTES_WORDS_512 {
let reference = load_m512i_word(&AES_S_BOX, i);
let input = load_m512i_word(&inputs, i);
let result = _mm512_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(input, sbox_matrix);
assert_eq_m512i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_maskz_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let matrix = load_m512i_word(&matrices, i);
let vector = load_m512i_word(&vectors, i);
let result_zero =
_mm512_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m512i(result_zero, _mm512_setzero_si512());
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm512_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm512_mask_blend_epi32(mask_words, _mm512_setzero_si512(), expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw")]
unsafe fn test_mm512_mask_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_512 {
let left = load_m512i_word(&vectors, i);
let right = load_m512i_word(&matrices, i);
let result_left =
_mm512_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m512i(result_left, left);
let mask_bytes: __mmask64 = 0x0F_0F_0F_0F_FF_FF_00_00;
let mask_words: __mmask16 = 0b01_01_01_01_11_11_00_00;
let expected_result = _mm512_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked = _mm512_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(
left, mask_bytes, left, right,
);
let expected_masked = _mm512_mask_blend_epi32(mask_words, left, expected_result);
assert_eq_m512i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_gf2p8affineinv_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm256_set1_epi64x(identity);
let (inputs, results) = generate_inv_tests_data();
for i in 0..NUM_BYTES_WORDS_256 {
let input = load_m256i_word(&inputs, i);
let reference = load_m256i_word(&results, i);
let result = _mm256_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(input, identity);
let remultiplied = _mm256_gf2p8mul_epi8(result, input);
assert_eq_m256i(remultiplied, reference);
}
let (matrices, vectors, _affine_expected) =
generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let vector = load_m256i_word(&vectors, i);
let matrix = load_m256i_word(&matrices, i);
let inv_vec = _mm256_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(vector, identity);
let reference = _mm256_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(inv_vec, matrix);
let result = _mm256_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
assert_eq_m256i(result, reference);
}
const AES_S_BOX_MATRIX: i64 = 0xF1_E3_C7_8F_1F_3E_7C_F8;
let sbox_matrix = _mm256_set1_epi64x(AES_S_BOX_MATRIX);
for i in 0..NUM_BYTES_WORDS_256 {
let reference = load_m256i_word(&AES_S_BOX, i);
let input = load_m256i_word(&inputs, i);
let result = _mm256_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(input, sbox_matrix);
assert_eq_m256i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_maskz_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let matrix = load_m256i_word(&matrices, i);
let vector = load_m256i_word(&vectors, i);
let result_zero =
_mm256_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m256i(result_zero, _mm256_setzero_si256());
let mask_bytes: __mmask32 = 0xFF_0F_F0_00;
const MASK_WORDS: i32 = 0b11_01_10_00;
let expected_result = _mm256_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm256_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm256_blend_epi32::<MASK_WORDS>(_mm256_setzero_si256(), expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm256_mask_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_256 {
let left = load_m256i_word(&vectors, i);
let right = load_m256i_word(&matrices, i);
let result_left =
_mm256_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m256i(result_left, left);
let mask_bytes: __mmask32 = 0xFF_0F_F0_00;
const MASK_WORDS: i32 = 0b11_01_10_00;
let expected_result = _mm256_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked = _mm256_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(
left, mask_bytes, left, right,
);
let expected_masked = _mm256_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m256i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_gf2p8affineinv_epi64_epi8() {
let identity: i64 = 0x01_02_04_08_10_20_40_80;
const IDENTITY_BYTE: i32 = 0;
const CONSTANT_BYTE: i32 = 0x63;
let identity = _mm_set1_epi64x(identity);
let (inputs, results) = generate_inv_tests_data();
for i in 0..NUM_BYTES_WORDS_128 {
let input = load_m128i_word(&inputs, i);
let reference = load_m128i_word(&results, i);
let result = _mm_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(input, identity);
let remultiplied = _mm_gf2p8mul_epi8(result, input);
assert_eq_m128i(remultiplied, reference);
}
let (matrices, vectors, _affine_expected) =
generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let vector = load_m128i_word(&vectors, i);
let matrix = load_m128i_word(&matrices, i);
let inv_vec = _mm_gf2p8affineinv_epi64_epi8::<IDENTITY_BYTE>(vector, identity);
let reference = _mm_gf2p8affine_epi64_epi8::<CONSTANT_BYTE>(inv_vec, matrix);
let result = _mm_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
assert_eq_m128i(result, reference);
}
const AES_S_BOX_MATRIX: i64 = 0xF1_E3_C7_8F_1F_3E_7C_F8;
let sbox_matrix = _mm_set1_epi64x(AES_S_BOX_MATRIX);
for i in 0..NUM_BYTES_WORDS_128 {
let reference = load_m128i_word(&AES_S_BOX, i);
let input = load_m128i_word(&inputs, i);
let result = _mm_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(input, sbox_matrix);
assert_eq_m128i(result, reference);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_maskz_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let matrix = load_m128i_word(&matrices, i);
let vector = load_m128i_word(&vectors, i);
let result_zero =
_mm_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(0, vector, matrix);
assert_eq_m128i(result_zero, _mm_setzero_si128());
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(vector, matrix);
let result_masked =
_mm_maskz_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(mask_bytes, vector, matrix);
let expected_masked =
_mm_blend_epi32::<MASK_WORDS>(_mm_setzero_si128(), expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
#[simd_test(enable = "gfni,avx512bw,avx512vl")]
unsafe fn test_mm_mask_gf2p8affineinv_epi64_epi8() {
const CONSTANT_BYTE: i32 = 0x63;
let (matrices, vectors, _expected) = generate_affine_mul_test_data(CONSTANT_BYTE as u8);
for i in 0..NUM_TEST_WORDS_128 {
let left = load_m128i_word(&vectors, i);
let right = load_m128i_word(&matrices, i);
let result_left =
_mm_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, 0, left, right);
assert_eq_m128i(result_left, left);
let mask_bytes: __mmask16 = 0x0F_F0;
const MASK_WORDS: i32 = 0b01_10;
let expected_result = _mm_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, right);
let result_masked =
_mm_mask_gf2p8affineinv_epi64_epi8::<CONSTANT_BYTE>(left, mask_bytes, left, right);
let expected_masked = _mm_blend_epi32::<MASK_WORDS>(left, expected_result);
assert_eq_m128i(result_masked, expected_masked);
}
}
}