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| author | Jeffrey Walton <noloader@gmail.com> | 2019-06-09 04:29:40 -0400 |
|---|---|---|
| committer | Jeffrey Walton <noloader@gmail.com> | 2019-06-09 04:29:40 -0400 |
| commit | 955ac6fe2419b8956adb7402234580dc5e954d49 (patch) | |
| tree | 932912c332bbea5313ace3067c7c7f862ea6d1ce /gf2n_simd.cpp | |
| parent | 8c78985de2362fd9387ce8a602d6f3a16982c2a5 (diff) | |
| download | cryptopp-git-955ac6fe2419b8956adb7402234580dc5e954d49.tar.gz | |
Rework SSE2 and AVX2 loads and stores
Diffstat (limited to 'gf2n_simd.cpp')
| -rw-r--r-- | gf2n_simd.cpp | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/gf2n_simd.cpp b/gf2n_simd.cpp index 1d4d933f..71d16ecb 100644 --- a/gf2n_simd.cpp +++ b/gf2n_simd.cpp @@ -465,36 +465,33 @@ NAMESPACE_BEGIN(CryptoPP) void
GF2NT_233_Multiply_Reduce_CLMUL(const word* pA, const word* pB, word* pC)
{
- const __m128i* pAA = reinterpret_cast<const __m128i*>(pA);
- const __m128i* pBB = reinterpret_cast<const __m128i*>(pB);
- __m128i a0 = _mm_loadu_si128(pAA+0);
- __m128i a1 = _mm_loadu_si128(pAA+1);
- __m128i b0 = _mm_loadu_si128(pBB+0);
- __m128i b1 = _mm_loadu_si128(pBB+1);
+ enum {S=sizeof(__m128i)/sizeof(word)};
+ __m128i a0 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pA+0*S));
+ __m128i a1 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pA+1*S));
+ __m128i b0 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pB+0*S));
+ __m128i b1 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pB+1*S));
__m128i c0, c1, c2, c3;
F2N_Multiply_256x256_CLMUL(c3, c2, c1, c0, a1, a0, b1, b0);
GF2NT_233_Reduce_CLMUL(c3, c2, c1, c0);
- __m128i* pCC = reinterpret_cast<__m128i*>(pC);
- _mm_storeu_si128(pCC+0, c0);
- _mm_storeu_si128(pCC+1, c1);
+ _mm_storeu_si128(reinterpret_cast<__m128i*>(pC+0*S), c0);
+ _mm_storeu_si128(reinterpret_cast<__m128i*>(pC+1*S), c1);
}
void
GF2NT_233_Square_Reduce_CLMUL(const word* pA, word* pC)
{
- const __m128i* pAA = reinterpret_cast<const __m128i*>(pA);
- __m128i a0 = _mm_loadu_si128(pAA+0);
- __m128i a1 = _mm_loadu_si128(pAA+1);
+ enum {S=sizeof(__m128i)/sizeof(word)};
+ __m128i a0 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pA+0*S));
+ __m128i a1 = _mm_loadu_si128(reinterpret_cast<const __m128i*>(pA+1*S));
__m128i c0, c1, c2, c3;
F2N_Square_256_CLMUL(c3, c2, c1, c0, a1, a0);
GF2NT_233_Reduce_CLMUL(c3, c2, c1, c0);
- __m128i* pCC = reinterpret_cast<__m128i*>(pC);
- _mm_storeu_si128(pCC+0, c0);
- _mm_storeu_si128(pCC+1, c1);
+ _mm_storeu_si128(reinterpret_cast<__m128i*>(pC+0*S), c0);
+ _mm_storeu_si128(reinterpret_cast<__m128i*>(pC+1*S), c1);
}
#elif (CRYPTOPP_ARM_PMULL_AVAILABLE)
|