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vppinfra: add vector horizontal add and byte swap (SSE4.2 & AVX2)

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Change-Id: I4e0fd487970796f0153a5b16333827d23b57deac
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2018-06-27 13:03:26 +02:00
committed by Damjan Marion
parent 2d11e9f4b9
commit bf129f458f
2 changed files with 31 additions and 0 deletions
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16
src/vppinfra/vector_avx2.h
View File

@@ -121,6 +121,22 @@ _(i8x16, i64x4, epi8_epi64)
#undef _
/* *INDENT-ON* */
static_always_inline u16x16
u16x16_byte_swap (u16x16 v)
{
u8x32 swap = {
1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14
};
return (u16x16) _mm256_shuffle_epi8 ((__m256i) v, (__m256i) swap);
}
static_always_inline u32x8
u32x8_hadd (u32x8 v1, u32x8 v2)
{
return (u32x8) _mm256_hadd_epi32 ((__m256i) v1, (__m256i) v2);
}
#endif /* included_vector_avx2_h */
/*

15
src/vppinfra/vector_sse42.h
View File

@@ -592,6 +592,21 @@ u8x16_msb_mask (u8x16 v)
#undef _signed_binop
static_always_inline u16x8
u16x8_byte_swap (u16x8 v)
{
u8x16 swap = {
1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
};
return (u16x8) _mm_shuffle_epi8 ((__m128i) v, (__m128i) swap);
}
static_always_inline u32x4
u32x4_hadd (u32x4 v1, u32x4 v2)
{
return (u32x4) _mm_hadd_epi32 ((__m128i) v1, (__m128i) v2);
}
#endif /* included_vector_sse2_h */
/*