diff options
Diffstat (limited to 'util/compress/libdeflate/lib/crc32_vec_template.h')
| -rw-r--r-- | util/compress/libdeflate/lib/crc32_vec_template.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/util/compress/libdeflate/lib/crc32_vec_template.h b/util/compress/libdeflate/lib/crc32_vec_template.h deleted file mode 100644 index 9a2ad5bde..000000000 --- a/util/compress/libdeflate/lib/crc32_vec_template.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * crc32_vec_template.h - template for vectorized CRC-32 implementations - * - * Copyright 2016 Eric Biggers - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#define CRC32_SLICE1 1 -static u32 crc32_slice1(u32, const u8 *, size_t); - -/* - * Template for vectorized CRC-32 implementations. - * - * Note: on unaligned ends of the buffer, we fall back to crc32_slice1() instead - * of crc32_slice8() because only a few bytes need to be processed, so a smaller - * table is preferable. - */ -static u32 ATTRIBUTES -FUNCNAME(u32 remainder, const u8 *p, size_t size) -{ - if ((uintptr_t)p % IMPL_ALIGNMENT) { - size_t n = MIN(size, -(uintptr_t)p % IMPL_ALIGNMENT); - - remainder = crc32_slice1(remainder, p, n); - p += n; - size -= n; - } - if (size >= IMPL_SEGMENT_SIZE) { - remainder = FUNCNAME_ALIGNED(remainder, (const void *)p, - size / IMPL_SEGMENT_SIZE); - p += size - (size % IMPL_SEGMENT_SIZE); - size %= IMPL_SEGMENT_SIZE; - } - return crc32_slice1(remainder, p, size); -} - -#undef FUNCNAME -#undef FUNCNAME_ALIGNED -#undef ATTRIBUTES -#undef IMPL_ALIGNMENT -#undef IMPL_SEGMENT_SIZE |