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Update documentation

pull/676/head
Jeffrey Walton 2018-06-23 12:27:25 -04:00
parent d0b5dac162
commit 527613df22
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2 changed files with 12 additions and 11 deletions
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5
adv-simd.h
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@ -495,11 +495,12 @@ inline size_t AdvancedProcessBlocks128_NEON1x6(F1 func1, F6 func6,
/// \tparam F4 function to process 4 128-bit blocks /// \tparam F4 function to process 4 128-bit blocks
/// \tparam W word type of the subkey table /// \tparam W word type of the subkey table
/// \tparam V vector type of the NEON datatype /// \tparam V vector type of the NEON datatype
/// \details AdvancedProcessBlocks128_6x2_NEON processes 4 and 1 NEON SIMD words /// \details AdvancedProcessBlocks128_4x1_NEON processes 4 and 1 NEON SIMD words
/// at a time. /// at a time.
/// \details The subkey type is usually word32 or word64. V is the vector type and it is /// \details The subkey type is usually word32 or word64. V is the vector type and it is
/// usually uint32x4_t or uint64x2_t. F1, F4, W and V must use the same word and /// usually uint32x4_t or uint64x2_t. F1, F4, W and V must use the same word and
/// vector type. /// vector type. The V parameter is used to avoid template argument
/// deduction/substitution failures.
template <typename F1, typename F4, typename W, typename V> template <typename F1, typename F4, typename W, typename V>
inline size_t AdvancedProcessBlocks128_4x1_NEON(F1 func1, F4 func4, inline size_t AdvancedProcessBlocks128_4x1_NEON(F1 func1, F4 func4,
const V& unused, const W *subKeys, size_t rounds, const byte *inBlocks, const V& unused, const W *subKeys, size_t rounds, const byte *inBlocks,

16
cham-simd.cpp
View File

@ -83,7 +83,7 @@ inline __m128i UnpackXMM<0>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpacklo_epi16(a, b); const __m128i r1 = _mm_unpacklo_epi16(a, b);
const __m128i r2 = _mm_unpacklo_epi16(c, d); const __m128i r2 = _mm_unpacklo_epi16(c, d);
@ -102,7 +102,7 @@ inline __m128i UnpackXMM<1>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpacklo_epi16(a, b); const __m128i r1 = _mm_unpacklo_epi16(a, b);
const __m128i r2 = _mm_unpacklo_epi16(c, d); const __m128i r2 = _mm_unpacklo_epi16(c, d);
@ -121,7 +121,7 @@ inline __m128i UnpackXMM<2>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpacklo_epi16(a, b); const __m128i r1 = _mm_unpacklo_epi16(a, b);
const __m128i r2 = _mm_unpacklo_epi16(c, d); const __m128i r2 = _mm_unpacklo_epi16(c, d);
@ -140,7 +140,7 @@ inline __m128i UnpackXMM<3>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpacklo_epi16(a, b); const __m128i r1 = _mm_unpacklo_epi16(a, b);
const __m128i r2 = _mm_unpacklo_epi16(c, d); const __m128i r2 = _mm_unpacklo_epi16(c, d);
@ -159,7 +159,7 @@ inline __m128i UnpackXMM<4>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpackhi_epi16(a, b); const __m128i r1 = _mm_unpackhi_epi16(a, b);
const __m128i r2 = _mm_unpackhi_epi16(c, d); const __m128i r2 = _mm_unpackhi_epi16(c, d);
@ -178,7 +178,7 @@ inline __m128i UnpackXMM<5>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpackhi_epi16(a, b); const __m128i r1 = _mm_unpackhi_epi16(a, b);
const __m128i r2 = _mm_unpackhi_epi16(c, d); const __m128i r2 = _mm_unpackhi_epi16(c, d);
@ -197,7 +197,7 @@ inline __m128i UnpackXMM<6>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpackhi_epi16(a, b); const __m128i r1 = _mm_unpackhi_epi16(a, b);
const __m128i r2 = _mm_unpackhi_epi16(c, d); const __m128i r2 = _mm_unpackhi_epi16(c, d);
@ -216,7 +216,7 @@ inline __m128i UnpackXMM<7>(const __m128i& a, const __m128i& b, const __m128i& c
{ {
// The shuffle converts to and from little-endian for SSE. A specialized // The shuffle converts to and from little-endian for SSE. A specialized
// CHAM implementation can avoid the shuffle by framing the data for // CHAM implementation can avoid the shuffle by framing the data for
// encryption, decrementryption and benchmarks. The library cannot take the // encryption, decryption and benchmarks. The library cannot take the
// speed-up because of the byte oriented API. // speed-up because of the byte oriented API.
const __m128i r1 = _mm_unpackhi_epi16(a, b); const __m128i r1 = _mm_unpackhi_epi16(a, b);
const __m128i r2 = _mm_unpackhi_epi16(c, d); const __m128i r2 = _mm_unpackhi_epi16(c, d);