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General refactor and cleanup.

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This commit is contained in:
Natalia Portillo
2024-04-30 15:12:48 +01:00
parent 552aa9da02
commit bd5051ce18
48 changed files with 1157 additions and 1290 deletions
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12
crc32.c
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@@ -106,12 +106,12 @@ AARU_EXPORT void AARU_CALL crc32_slicing(uint32_t *previous_crc, const uint8_t *
// Unroll according to Intel slicing by uint8_t
// http://www.intel.com/technology/comms/perfnet/download/CRC_generators.pdf
// http://sourceforge.net/projects/slicing-by-8/
uint32_t c;
uint32_t c;
const uint32_t *current;
const uint8_t *current_char = data;
const size_t unroll = 4;
const size_t bytes_at_once = 8 * unroll;
uintptr_t unaligned_length = (4 - (((uintptr_t)current_char) & 3)) & 3;
const uint8_t *current_char = data;
const size_t unroll = 4;
const size_t bytes_at_once = 8 * unroll;
uintptr_t unaligned_length = (4 - (((uintptr_t)current_char) & 3)) & 3;
c = *previous_crc;
@@ -132,7 +132,7 @@ AARU_EXPORT void AARU_CALL crc32_slicing(uint32_t *previous_crc, const uint8_t *
uint32_t one = *current++ ^ c;
uint32_t two = *current++;
// TODO: Big endian!
c = crc32_table[0][(two >> 24) & 0xFF] ^ crc32_table[1][(two >> 16) & 0xFF] ^
c = crc32_table[0][(two >> 24) & 0xFF] ^ crc32_table[1][(two >> 16) & 0xFF] ^
crc32_table[2][(two >> 8) & 0xFF] ^ crc32_table[3][two & 0xFF] ^ crc32_table[4][(one >> 24) & 0xFF] ^
crc32_table[5][(one >> 16) & 0xFF] ^ crc32_table[6][(one >> 8) & 0xFF] ^ crc32_table[7][one & 0xFF];
}