diff options
| author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
|---|---|---|
| committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
| commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
| tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/base64/avx2/codecs.h | |
| download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz | |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/base64/avx2/codecs.h')
| -rw-r--r-- | contrib/libs/base64/avx2/codecs.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/libs/base64/avx2/codecs.h b/contrib/libs/base64/avx2/codecs.h new file mode 100644 index 0000000000..16a285ac0b --- /dev/null +++ b/contrib/libs/base64/avx2/codecs.h @@ -0,0 +1,35 @@ +#pragma once + +// Define machine endianness. This is for GCC: +#if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) + #define BASE64_AVX2_LITTLE_ENDIAN 1 +#else + #define BASE64_AVX2_LITTLE_ENDIAN 0 +#endif + +// This is for Clang: +#ifdef __LITTLE_ENDIAN__ + #define BASE64_AVX2_LITTLE_ENDIAN 1 +#endif + +#ifdef __BIG_ENDIAN__ + #define BASE64_AVX2_LITTLE_ENDIAN 0 +#endif + +// Endian conversion functions +#if BASE64_AVX2_LITTLE_ENDIAN + #define cpu_to_be32(x) __builtin_bswap32(x) + #define cpu_to_be64(x) __builtin_bswap64(x) + #define be32_to_cpu(x) __builtin_bswap32(x) + #define be64_to_cpu(x) __builtin_bswap64(x) +#else + #define cpu_to_be32(x) (x) + #define cpu_to_be64(x) (x) + #define be32_to_cpu(x) (x) + #define be64_to_cpu(x) (x) +#endif + +// These tables are used by all codecs +// for fallback plain encoding/decoding: +extern const uint8_t avx2_base64_table_enc[]; +extern const uint8_t avx2_base64_table_dec[]; |