simd_avx2_gfni.h

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/*
* (C) 2024 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#ifndef BOTAN_SIMD_AVX2_GFNI_H_
#define BOTAN_SIMD_AVX2_GFNI_H_
 
#include <botan/internal/simd_avx2.h>
 
#include <botan/internal/gfni_utils.h>
#include <botan/internal/isa_extn.h>
 
namespace Botan {
 
template <uint64_t A, uint8_t B>
BOTAN_FORCE_INLINE BOTAN_FN_ISA_AVX2_GFNI SIMD_8x32 gf2p8affine(const SIMD_8x32& x) {
   return SIMD_8x32(_mm256_gf2p8affine_epi64_epi8(x.raw(), _mm256_set1_epi64x(A), B));
}
 
template <uint64_t A, uint8_t B>
BOTAN_FORCE_INLINE BOTAN_FN_ISA_AVX2_GFNI SIMD_8x32 gf2p8affineinv(const SIMD_8x32& x) {
   return SIMD_8x32(_mm256_gf2p8affineinv_epi64_epi8(x.raw(), _mm256_set1_epi64x(A), B));
}
 
BOTAN_FORCE_INLINE BOTAN_FN_ISA_AVX2_GFNI SIMD_8x32 gf2p8mul(const SIMD_8x32& a, const SIMD_8x32& b) {
   return SIMD_8x32(_mm256_gf2p8mul_epi8(a.raw(), b.raw()));
}
 
}  // namespace Botan
 
#endif