reinterpret_neon.h (1641B)
1 /* 2 * Copyright (c) 2023, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #ifndef AOM_AOM_DSP_ARM_REINTERPRET_NEON_H_ 13 #define AOM_AOM_DSP_ARM_REINTERPRET_NEON_H_ 14 15 #include <arm_neon.h> 16 17 #include "aom_dsp/aom_dsp_common.h" // For AOM_FORCE_INLINE. 18 #include "config/aom_config.h" 19 20 #define REINTERPRET_NEON(u, to_sz, to_count, from_sz, from_count, n, q) \ 21 static AOM_FORCE_INLINE u##int##to_sz##x##to_count##x##n##_t \ 22 aom_reinterpret##q##_##u##to_sz##_##u##from_sz##_x##n( \ 23 const u##int##from_sz##x##from_count##x##n##_t src) { \ 24 u##int##to_sz##x##to_count##x##n##_t ret; \ 25 for (int i = 0; i < (n); ++i) { \ 26 ret.val[i] = vreinterpret##q##_##u##to_sz##_##u##from_sz(src.val[i]); \ 27 } \ 28 return ret; \ 29 } 30 31 REINTERPRET_NEON(u, 8, 8, 16, 4, 2, ) // uint8x8x2_t from uint16x4x2_t 32 REINTERPRET_NEON(u, 8, 16, 16, 8, 2, q) // uint8x16x2_t from uint16x8x2_t 33 34 #endif // AOM_AOM_DSP_ARM_REINTERPRET_NEON_H_