1
mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-19 10:05:05 -07:00

Simplify _mm_roti_epi64 definition

This commit is contained in:
Frank Denis 2023-09-02 15:22:40 +02:00
parent 4ebe29b2e3
commit 503a1ef2c3
3 changed files with 42 additions and 48 deletions

View File

@ -5,22 +5,20 @@
#define LOADU(p) _mm_loadu_si128((const __m128i *) (const void *) (p))
#define STOREU(p, r) _mm_storeu_si128((__m128i *) (void *) (p), r)
#ifndef __XOP__ // XOP feature set enabled implies _mm_roti_epi64 is existing AFAIK so no need to define the libsodium replacement.
# ifdef _mm_roti_epi64 // If we have the function macro but not the feature set macro it will fail compiling.
# undef _mm_roti_epi64 // So we hide the existing one and use the one provided by libsodium. Hiding avoids warnings for macro redefinitions.
# endif
# define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#if !(defined(_mm_roti_epi64) && defined(__XOP__))
#undef _mm_roti_epi64
#define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#endif
#define G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1) \

View File

@ -5,22 +5,19 @@
#define LOADU(p) _mm_loadu_si128((const __m128i *) (const void *) (p))
#define STOREU(p, r) _mm_storeu_si128((__m128i *) (void *) (p), r)
#ifndef __XOP__ // XOP feature set enabled implies _mm_roti_epi64 is existing AFAIK so no need to define the libsodium replacement.
# ifdef _mm_roti_epi64 // If we have the function macro but not the feature set macro it will fail compiling.
# undef _mm_roti_epi64 // So we hide the existing one and use the one provided by libsodium. Hiding avoids warnings for macro redefinitions.
# endif
# define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#if !(defined(_mm_roti_epi64) && defined(__XOP__))
#define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#endif
#define G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1) \

View File

@ -8,22 +8,21 @@
(_mm_setr_epi8(2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9))
#define r24 \
(_mm_setr_epi8(3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10))
#ifndef __XOP__ // XOP feature set enabled implies _mm_roti_epi64 is existing AFAIK so no need to define the libsodium replacement.
# ifdef _mm_roti_epi64 // If we have the function macro but not the feature set macro it will fail compiling.
# undef _mm_roti_epi64 // So we hide the existing one and use the one provided by libsodium. Hiding avoids warnings for macro redefinitions.
# endif
# define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#if !(defined(_mm_roti_epi64) && defined(__XOP__))
#undef _mm_roti_epi64
#define _mm_roti_epi64(x, c) \
(-(c) == 32) \
? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
: (-(c) == 24) \
? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) \
? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) \
? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
_mm_slli_epi64((x), 64 - (-(c))))
#endif
static inline __m128i