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PiperOrigin-RevId: 621907514
This commit is contained in:
Richard O'Grady
2024-04-04 17:48:40 +00:00
committed by Danila Kutenin
parent 0212163f6e
commit e1e7329dc7
18 changed files with 83 additions and 391 deletions
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26
snappy-internal.h
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@@ -46,24 +46,7 @@
#include <arm_neon.h>
#endif
#if SNAPPY_RVV_1 || SNAPPY_RVV_0_7
#define SNAPPY_HAVE_RVV 1
#include <riscv_vector.h>
#else
#define SNAPPY_HAVE_RVV 0
#endif
#ifdef SNAPPY_RVV_1
#define VSETVL_E8M2 __riscv_vsetvl_e8m2
#define VLE8_V_U8M2 __riscv_vle8_v_u8m2
#define VSE8_V_U8M2 __riscv_vse8_v_u8m2
#elif SNAPPY_RVV_0_7
#define VSETVL_E8M2 vsetvl_e8m2
#define VLE8_V_U8M2 vle8_v_u8m2
#define VSE8_V_U8M2 vse8_v_u8m2
#endif
#if SNAPPY_HAVE_SSSE3 || SNAPPY_HAVE_NEON
#if SNAPPY_HAVE_SSSE3 || SNAPPY_HAVE_NEON
#define SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE 1
#else
#define SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE 0
@@ -78,7 +61,7 @@ using V128 = __m128i;
#elif SNAPPY_HAVE_NEON
using V128 = uint8x16_t;
#endif
// Load 128 bits of integer data. `src` must be 16-byte aligned.
inline V128 V128_Load(const V128* src);
@@ -127,8 +110,6 @@ inline V128 V128_Shuffle(V128 input, V128 shuffle_mask) {
}
inline V128 V128_DupChar(char c) { return vdupq_n_u8(c); }
#endif
#endif // SNAPPY_HAVE_VECTOR_BYTE_SHUFFLE
@@ -191,10 +172,9 @@ char* CompressFragment(const char* input,
// loading from s2 + n.
//
// Separate implementation for 64-bit, little-endian cpus.
// riscv and little-endian cpu choose this routinue can be done faster too.
#if !SNAPPY_IS_BIG_ENDIAN && \
(defined(__x86_64__) || defined(_M_X64) || defined(ARCH_PPC) || \
defined(ARCH_ARM) || (defined(__riscv) && (__riscv_xlen == 64)))
defined(ARCH_ARM))
static inline std::pair<size_t, bool> FindMatchLength(const char* s1,
const char* s2,
const char* s2_limit,