diff options
Diffstat (limited to 'util/compress/libdeflate/lib/arm/matchfinder_impl.h')
| -rw-r--r-- | util/compress/libdeflate/lib/arm/matchfinder_impl.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/util/compress/libdeflate/lib/arm/matchfinder_impl.h b/util/compress/libdeflate/lib/arm/matchfinder_impl.h deleted file mode 100644 index da0d2fd79..000000000 --- a/util/compress/libdeflate/lib/arm/matchfinder_impl.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * arm/matchfinder_impl.h - ARM 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_ARM_MATCHFINDER_IMPL_H -#define LIB_ARM_MATCHFINDER_IMPL_H - -#ifdef __ARM_NEON -# include <arm_neon.h> -static forceinline void -matchfinder_init_neon(mf_pos_t *data, size_t size) -{ - int16x8_t *p = (int16x8_t *)data; - int16x8_t v = (int16x8_t) { - MATCHFINDER_INITVAL, MATCHFINDER_INITVAL, MATCHFINDER_INITVAL, - MATCHFINDER_INITVAL, MATCHFINDER_INITVAL, MATCHFINDER_INITVAL, - MATCHFINDER_INITVAL, 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_neon - -static forceinline void -matchfinder_rebase_neon(mf_pos_t *data, size_t size) -{ - int16x8_t *p = (int16x8_t *)data; - int16x8_t v = (int16x8_t) { - (u16)-MATCHFINDER_WINDOW_SIZE, (u16)-MATCHFINDER_WINDOW_SIZE, - (u16)-MATCHFINDER_WINDOW_SIZE, (u16)-MATCHFINDER_WINDOW_SIZE, - (u16)-MATCHFINDER_WINDOW_SIZE, (u16)-MATCHFINDER_WINDOW_SIZE, - (u16)-MATCHFINDER_WINDOW_SIZE, (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 { - p[0] = vqaddq_s16(p[0], v); - p[1] = vqaddq_s16(p[1], v); - p[2] = vqaddq_s16(p[2], v); - p[3] = vqaddq_s16(p[3], v); - p += 4; - size -= 4 * sizeof(*p); - } while (size != 0); -} -#define matchfinder_rebase matchfinder_rebase_neon - -#endif /* __ARM_NEON */ - -#endif /* LIB_ARM_MATCHFINDER_IMPL_H */ |