diff options
Diffstat (limited to 'util/compress/libdeflate/lib/x86/matchfinder_impl.h')
| -rw-r--r-- | util/compress/libdeflate/lib/x86/matchfinder_impl.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/util/compress/libdeflate/lib/x86/matchfinder_impl.h b/util/compress/libdeflate/lib/x86/matchfinder_impl.h deleted file mode 100644 index 99fbebe8d..000000000 --- a/util/compress/libdeflate/lib/x86/matchfinder_impl.h +++ /dev/null @@ -1,122 +0,0 @@ -/* - * x86/matchfinder_impl.h - x86 implementations of matchfinder functions - * - * 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. - */ - -#ifndef LIB_X86_MATCHFINDER_IMPL_H -#define LIB_X86_MATCHFINDER_IMPL_H - -#ifdef __AVX2__ -# include <immintrin.h> -static forceinline void -matchfinder_init_avx2(mf_pos_t *data, size_t size) -{ - __m256i *p = (__m256i *)data; - __m256i v = _mm256_set1_epi16(MATCHFINDER_INITVAL); - - STATIC_ASSERT(MATCHFINDER_MEM_ALIGNMENT % sizeof(*p) == 0); - STATIC_ASSERT(MATCHFINDER_SIZE_ALIGNMENT % (4 * sizeof(*p)) == 0); - STATIC_ASSERT(sizeof(mf_pos_t) == 2); - - do { - p[0] = v; - p[1] = v; - p[2] = v; - p[3] = v; - p += 4; - size -= 4 * sizeof(*p); - } while (size != 0); -} -#define matchfinder_init matchfinder_init_avx2 - -static forceinline void -matchfinder_rebase_avx2(mf_pos_t *data, size_t size) -{ - __m256i *p = (__m256i *)data; - __m256i v = _mm256_set1_epi16((u16)-MATCHFINDER_WINDOW_SIZE); - - STATIC_ASSERT(MATCHFINDER_MEM_ALIGNMENT % sizeof(*p) == 0); - STATIC_ASSERT(MATCHFINDER_SIZE_ALIGNMENT % (4 * sizeof(*p)) == 0); - STATIC_ASSERT(sizeof(mf_pos_t) == 2); - - do { - /* PADDSW: Add Packed Signed Integers With Signed Saturation */ - p[0] = _mm256_adds_epi16(p[0], v); - p[1] = _mm256_adds_epi16(p[1], v); - p[2] = _mm256_adds_epi16(p[2], v); - p[3] = _mm256_adds_epi16(p[3], v); - p += 4; - size -= 4 * sizeof(*p); - } while (size != 0); -} -#define matchfinder_rebase matchfinder_rebase_avx2 - -#elif defined(__SSE2__) -# include <emmintrin.h> -static forceinline void -matchfinder_init_sse2(mf_pos_t *data, size_t size) -{ - __m128i *p = (__m128i *)data; - __m128i v = _mm_set1_epi16(MATCHFINDER_INITVAL); - - STATIC_ASSERT(MATCHFINDER_MEM_ALIGNMENT % sizeof(*p) == 0); - STATIC_ASSERT(MATCHFINDER_SIZE_ALIGNMENT % (4 * sizeof(*p)) == 0); - STATIC_ASSERT(sizeof(mf_pos_t) == 2); - - do { - p[0] = v; - p[1] = v; - p[2] = v; - p[3] = v; - p += 4; - size -= 4 * sizeof(*p); - } while (size != 0); -} -#define matchfinder_init matchfinder_init_sse2 - -static forceinline void -matchfinder_rebase_sse2(mf_pos_t *data, size_t size) -{ - __m128i *p = (__m128i *)data; - __m128i v = _mm_set1_epi16((u16)-MATCHFINDER_WINDOW_SIZE); - - STATIC_ASSERT(MATCHFINDER_MEM_ALIGNMENT % sizeof(*p) == 0); - STATIC_ASSERT(MATCHFINDER_SIZE_ALIGNMENT % (4 * sizeof(*p)) == 0); - STATIC_ASSERT(sizeof(mf_pos_t) == 2); - - do { - /* PADDSW: Add Packed Signed Integers With Signed Saturation */ - p[0] = _mm_adds_epi16(p[0], v); - p[1] = _mm_adds_epi16(p[1], v); - p[2] = _mm_adds_epi16(p[2], v); - p[3] = _mm_adds_epi16(p[3], v); - p += 4; - size -= 4 * sizeof(*p); - } while (size != 0); -} -#define matchfinder_rebase matchfinder_rebase_sse2 -#endif /* __SSE2__ */ - -#endif /* LIB_X86_MATCHFINDER_IMPL_H */ |