diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/idct4x4_add_neon.c')
-rw-r--r-- | third_party/aom/aom_dsp/arm/idct4x4_add_neon.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/third_party/aom/aom_dsp/arm/idct4x4_add_neon.c b/third_party/aom/aom_dsp/arm/idct4x4_add_neon.c deleted file mode 100644 index 763be1ab0..000000000 --- a/third_party/aom/aom_dsp/arm/idct4x4_add_neon.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <arm_neon.h> - -#include "aom_dsp/txfm_common.h" - -void aom_idct4x4_16_add_neon(int16_t *input, uint8_t *dest, int dest_stride) { - uint8x8_t d26u8, d27u8; - uint32x2_t d26u32, d27u32; - uint16x8_t q8u16, q9u16; - int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16; - int16x4_t d22s16, d23s16, d24s16, d26s16, d27s16, d28s16, d29s16; - int16x8_t q8s16, q9s16, q13s16, q14s16; - int32x4_t q1s32, q13s32, q14s32, q15s32; - int16x4x2_t d0x2s16, d1x2s16; - int32x4x2_t q0x2s32; - uint8_t *d; - - d26u32 = d27u32 = vdup_n_u32(0); - - q8s16 = vld1q_s16(input); - q9s16 = vld1q_s16(input + 8); - - d16s16 = vget_low_s16(q8s16); - d17s16 = vget_high_s16(q8s16); - d18s16 = vget_low_s16(q9s16); - d19s16 = vget_high_s16(q9s16); - - d0x2s16 = vtrn_s16(d16s16, d17s16); - d1x2s16 = vtrn_s16(d18s16, d19s16); - q8s16 = vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]); - q9s16 = vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]); - - d20s16 = vdup_n_s16((int16_t)cospi_8_64); - d21s16 = vdup_n_s16((int16_t)cospi_16_64); - - q0x2s32 = - vtrnq_s32(vreinterpretq_s32_s16(q8s16), vreinterpretq_s32_s16(q9s16)); - d16s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); - d17s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); - d18s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); - d19s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); - - d22s16 = vdup_n_s16((int16_t)cospi_24_64); - - // stage 1 - d23s16 = vadd_s16(d16s16, d18s16); - d24s16 = vsub_s16(d16s16, d18s16); - - q15s32 = vmull_s16(d17s16, d22s16); - q1s32 = vmull_s16(d17s16, d20s16); - q13s32 = vmull_s16(d23s16, d21s16); - q14s32 = vmull_s16(d24s16, d21s16); - - q15s32 = vmlsl_s16(q15s32, d19s16, d20s16); - q1s32 = vmlal_s16(q1s32, d19s16, d22s16); - - d26s16 = vqrshrn_n_s32(q13s32, 14); - d27s16 = vqrshrn_n_s32(q14s32, 14); - d29s16 = vqrshrn_n_s32(q15s32, 14); - d28s16 = vqrshrn_n_s32(q1s32, 14); - q13s16 = vcombine_s16(d26s16, d27s16); - q14s16 = vcombine_s16(d28s16, d29s16); - - // stage 2 - q8s16 = vaddq_s16(q13s16, q14s16); - q9s16 = vsubq_s16(q13s16, q14s16); - - d16s16 = vget_low_s16(q8s16); - d17s16 = vget_high_s16(q8s16); - d18s16 = vget_high_s16(q9s16); // vswp d18 d19 - d19s16 = vget_low_s16(q9s16); - - d0x2s16 = vtrn_s16(d16s16, d17s16); - d1x2s16 = vtrn_s16(d18s16, d19s16); - q8s16 = vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]); - q9s16 = vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]); - - q0x2s32 = - vtrnq_s32(vreinterpretq_s32_s16(q8s16), vreinterpretq_s32_s16(q9s16)); - d16s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); - d17s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); - d18s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); - d19s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); - - // do the transform on columns - // stage 1 - d23s16 = vadd_s16(d16s16, d18s16); - d24s16 = vsub_s16(d16s16, d18s16); - - q15s32 = vmull_s16(d17s16, d22s16); - q1s32 = vmull_s16(d17s16, d20s16); - q13s32 = vmull_s16(d23s16, d21s16); - q14s32 = vmull_s16(d24s16, d21s16); - - q15s32 = vmlsl_s16(q15s32, d19s16, d20s16); - q1s32 = vmlal_s16(q1s32, d19s16, d22s16); - - d26s16 = vqrshrn_n_s32(q13s32, 14); - d27s16 = vqrshrn_n_s32(q14s32, 14); - d29s16 = vqrshrn_n_s32(q15s32, 14); - d28s16 = vqrshrn_n_s32(q1s32, 14); - q13s16 = vcombine_s16(d26s16, d27s16); - q14s16 = vcombine_s16(d28s16, d29s16); - - // stage 2 - q8s16 = vaddq_s16(q13s16, q14s16); - q9s16 = vsubq_s16(q13s16, q14s16); - - q8s16 = vrshrq_n_s16(q8s16, 4); - q9s16 = vrshrq_n_s16(q9s16, 4); - - d = dest; - d26u32 = vld1_lane_u32((const uint32_t *)d, d26u32, 0); - d += dest_stride; - d26u32 = vld1_lane_u32((const uint32_t *)d, d26u32, 1); - d += dest_stride; - d27u32 = vld1_lane_u32((const uint32_t *)d, d27u32, 1); - d += dest_stride; - d27u32 = vld1_lane_u32((const uint32_t *)d, d27u32, 0); - - q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u32(d26u32)); - q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u32(d27u32)); - - d26u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); - d27u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); - - d = dest; - vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d26u8), 0); - d += dest_stride; - vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d26u8), 1); - d += dest_stride; - vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d27u8), 1); - d += dest_stride; - vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d27u8), 0); - return; -} |