diff options
Diffstat (limited to 'snappy-internal.h')
| -rw-r--r-- | snappy-internal.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/snappy-internal.h b/snappy-internal.h index 8530071..ae7ab5a 100644 --- a/snappy-internal.h +++ b/snappy-internal.h @@ -33,13 +33,30 @@ #include "snappy-stubs-internal.h" +#if SNAPPY_HAVE_SSSE3 +// Please do not replace with <x86intrin.h> or with headers that assume more +// advanced SSE versions without checking with all the OWNERS. +#include <emmintrin.h> +#include <tmmintrin.h> +#endif + +#if SNAPPY_HAVE_NEON +#include <arm_neon.h> +#endif + +#if SNAPPY_HAVE_SSSE3 || SNAPPY_HAVE_NEON +#define SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE 1 +#else +#define SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE 0 +#endif + namespace snappy { namespace internal { #if SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE #if SNAPPY_HAVE_SSSE3 using V128 = __m128i; -#else +#elif SNAPPY_HAVE_NEON using V128 = uint8x16_t; #endif @@ -72,7 +89,7 @@ inline V128 V128_Shuffle(V128 input, V128 shuffle_mask) { inline V128 V128_DupChar(char c) { return _mm_set1_epi8(c); } -#else +#elif SNAPPY_HAVE_NEON inline V128 V128_Load(const V128* src) { return vld1q_u8(reinterpret_cast<const uint8_t*>(src)); } |