| /* |
| * 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_config.h" |
| #include "aom_dsp/txfm_common.h" |
| |
| static INLINE void TRANSPOSE8X8(int16x8_t *q8s16, int16x8_t *q9s16, |
| int16x8_t *q10s16, int16x8_t *q11s16, |
| int16x8_t *q12s16, int16x8_t *q13s16, |
| int16x8_t *q14s16, int16x8_t *q15s16) { |
| int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; |
| int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32; |
| int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16; |
| |
| d16s16 = vget_low_s16(*q8s16); |
| d17s16 = vget_high_s16(*q8s16); |
| d18s16 = vget_low_s16(*q9s16); |
| d19s16 = vget_high_s16(*q9s16); |
| d20s16 = vget_low_s16(*q10s16); |
| d21s16 = vget_high_s16(*q10s16); |
| d22s16 = vget_low_s16(*q11s16); |
| d23s16 = vget_high_s16(*q11s16); |
| d24s16 = vget_low_s16(*q12s16); |
| d25s16 = vget_high_s16(*q12s16); |
| d26s16 = vget_low_s16(*q13s16); |
| d27s16 = vget_high_s16(*q13s16); |
| d28s16 = vget_low_s16(*q14s16); |
| d29s16 = vget_high_s16(*q14s16); |
| d30s16 = vget_low_s16(*q15s16); |
| d31s16 = vget_high_s16(*q15s16); |
| |
| *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24 |
| *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26 |
| *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28 |
| *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30 |
| *q12s16 = vcombine_s16(d17s16, d25s16); |
| *q13s16 = vcombine_s16(d19s16, d27s16); |
| *q14s16 = vcombine_s16(d21s16, d29s16); |
| *q15s16 = vcombine_s16(d23s16, d31s16); |
| |
| q0x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q8s16), vreinterpretq_s32_s16(*q10s16)); |
| q1x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q9s16), vreinterpretq_s32_s16(*q11s16)); |
| q2x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q12s16), vreinterpretq_s32_s16(*q14s16)); |
| q3x2s32 = |
| vtrnq_s32(vreinterpretq_s32_s16(*q13s16), vreinterpretq_s32_s16(*q15s16)); |
| |
| q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8 |
| vreinterpretq_s16_s32(q1x2s32.val[0])); // q9 |
| q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10 |
| vreinterpretq_s16_s32(q1x2s32.val[1])); // q11 |
| q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12 |
| vreinterpretq_s16_s32(q3x2s32.val[0])); // q13 |
| q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14 |
| vreinterpretq_s16_s32(q3x2s32.val[1])); // q15 |
| |
| *q8s16 = q0x2s16.val[0]; |
| *q9s16 = q0x2s16.val[1]; |
| *q10s16 = q1x2s16.val[0]; |
| *q11s16 = q1x2s16.val[1]; |
| *q12s16 = q2x2s16.val[0]; |
| *q13s16 = q2x2s16.val[1]; |
| *q14s16 = q3x2s16.val[0]; |
| *q15s16 = q3x2s16.val[1]; |
| return; |
| } |
| |
| void aom_idct16x16_256_add_neon_pass1(int16_t *in, int16_t *out, |
| int output_stride) { |
| int16x4_t d0s16, d1s16, d2s16, d3s16; |
| int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; |
| int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; |
| uint64x1_t d16u64, d17u64, d18u64, d19u64, d20u64, d21u64, d22u64, d23u64; |
| uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64; |
| int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; |
| int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; |
| int32x4_t q0s32, q1s32, q2s32, q3s32, q5s32, q6s32, q9s32; |
| int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32; |
| int16x8x2_t q0x2s16; |
| |
| q0x2s16 = vld2q_s16(in); |
| q8s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q9s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q10s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q11s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q12s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q13s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q14s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q15s16 = q0x2s16.val[0]; |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| d16s16 = vget_low_s16(q8s16); |
| d17s16 = vget_high_s16(q8s16); |
| d18s16 = vget_low_s16(q9s16); |
| d19s16 = vget_high_s16(q9s16); |
| d20s16 = vget_low_s16(q10s16); |
| d21s16 = vget_high_s16(q10s16); |
| d22s16 = vget_low_s16(q11s16); |
| d23s16 = vget_high_s16(q11s16); |
| d24s16 = vget_low_s16(q12s16); |
| d25s16 = vget_high_s16(q12s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| d28s16 = vget_low_s16(q14s16); |
| d29s16 = vget_high_s16(q14s16); |
| d30s16 = vget_low_s16(q15s16); |
| d31s16 = vget_high_s16(q15s16); |
| |
| // stage 3 |
| d0s16 = vdup_n_s16((int16_t)cospi_28_64); |
| d1s16 = vdup_n_s16((int16_t)cospi_4_64); |
| |
| q2s32 = vmull_s16(d18s16, d0s16); |
| q3s32 = vmull_s16(d19s16, d0s16); |
| q5s32 = vmull_s16(d18s16, d1s16); |
| q6s32 = vmull_s16(d19s16, d1s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d30s16, d1s16); |
| q3s32 = vmlsl_s16(q3s32, d31s16, d1s16); |
| q5s32 = vmlal_s16(q5s32, d30s16, d0s16); |
| q6s32 = vmlal_s16(q6s32, d31s16, d0s16); |
| |
| d2s16 = vdup_n_s16((int16_t)cospi_12_64); |
| d3s16 = vdup_n_s16((int16_t)cospi_20_64); |
| |
| d8s16 = vqrshrn_n_s32(q2s32, 14); |
| d9s16 = vqrshrn_n_s32(q3s32, 14); |
| d14s16 = vqrshrn_n_s32(q5s32, 14); |
| d15s16 = vqrshrn_n_s32(q6s32, 14); |
| q4s16 = vcombine_s16(d8s16, d9s16); |
| q7s16 = vcombine_s16(d14s16, d15s16); |
| |
| q2s32 = vmull_s16(d26s16, d2s16); |
| q3s32 = vmull_s16(d27s16, d2s16); |
| q9s32 = vmull_s16(d26s16, d3s16); |
| q15s32 = vmull_s16(d27s16, d3s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d22s16, d3s16); |
| q3s32 = vmlsl_s16(q3s32, d23s16, d3s16); |
| q9s32 = vmlal_s16(q9s32, d22s16, d2s16); |
| q15s32 = vmlal_s16(q15s32, d23s16, d2s16); |
| |
| d10s16 = vqrshrn_n_s32(q2s32, 14); |
| d11s16 = vqrshrn_n_s32(q3s32, 14); |
| d12s16 = vqrshrn_n_s32(q9s32, 14); |
| d13s16 = vqrshrn_n_s32(q15s32, 14); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| // stage 4 |
| d30s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q2s32 = vmull_s16(d16s16, d30s16); |
| q11s32 = vmull_s16(d17s16, d30s16); |
| q0s32 = vmull_s16(d24s16, d30s16); |
| q1s32 = vmull_s16(d25s16, d30s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_24_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_8_64); |
| |
| q3s32 = vaddq_s32(q2s32, q0s32); |
| q12s32 = vaddq_s32(q11s32, q1s32); |
| q13s32 = vsubq_s32(q2s32, q0s32); |
| q1s32 = vsubq_s32(q11s32, q1s32); |
| |
| d16s16 = vqrshrn_n_s32(q3s32, 14); |
| d17s16 = vqrshrn_n_s32(q12s32, 14); |
| d18s16 = vqrshrn_n_s32(q13s32, 14); |
| d19s16 = vqrshrn_n_s32(q1s32, 14); |
| q8s16 = vcombine_s16(d16s16, d17s16); |
| q9s16 = vcombine_s16(d18s16, d19s16); |
| |
| q0s32 = vmull_s16(d20s16, d31s16); |
| q1s32 = vmull_s16(d21s16, d31s16); |
| q12s32 = vmull_s16(d20s16, d30s16); |
| q13s32 = vmull_s16(d21s16, d30s16); |
| |
| q0s32 = vmlal_s16(q0s32, d28s16, d30s16); |
| q1s32 = vmlal_s16(q1s32, d29s16, d30s16); |
| q12s32 = vmlsl_s16(q12s32, d28s16, d31s16); |
| q13s32 = vmlsl_s16(q13s32, d29s16, d31s16); |
| |
| d22s16 = vqrshrn_n_s32(q0s32, 14); |
| d23s16 = vqrshrn_n_s32(q1s32, 14); |
| d20s16 = vqrshrn_n_s32(q12s32, 14); |
| d21s16 = vqrshrn_n_s32(q13s32, 14); |
| q10s16 = vcombine_s16(d20s16, d21s16); |
| q11s16 = vcombine_s16(d22s16, d23s16); |
| |
| q13s16 = vsubq_s16(q4s16, q5s16); |
| q4s16 = vaddq_s16(q4s16, q5s16); |
| q14s16 = vsubq_s16(q7s16, q6s16); |
| q15s16 = vaddq_s16(q6s16, q7s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| d28s16 = vget_low_s16(q14s16); |
| d29s16 = vget_high_s16(q14s16); |
| |
| // stage 5 |
| q0s16 = vaddq_s16(q8s16, q11s16); |
| q1s16 = vaddq_s16(q9s16, q10s16); |
| q2s16 = vsubq_s16(q9s16, q10s16); |
| q3s16 = vsubq_s16(q8s16, q11s16); |
| |
| d16s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q11s32 = vmull_s16(d26s16, d16s16); |
| q12s32 = vmull_s16(d27s16, d16s16); |
| q9s32 = vmull_s16(d28s16, d16s16); |
| q10s32 = vmull_s16(d29s16, d16s16); |
| |
| q6s32 = vsubq_s32(q9s32, q11s32); |
| q13s32 = vsubq_s32(q10s32, q12s32); |
| q9s32 = vaddq_s32(q9s32, q11s32); |
| q10s32 = vaddq_s32(q10s32, q12s32); |
| |
| d10s16 = vqrshrn_n_s32(q6s32, 14); |
| d11s16 = vqrshrn_n_s32(q13s32, 14); |
| d12s16 = vqrshrn_n_s32(q9s32, 14); |
| d13s16 = vqrshrn_n_s32(q10s32, 14); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| // stage 6 |
| q8s16 = vaddq_s16(q0s16, q15s16); |
| q9s16 = vaddq_s16(q1s16, q6s16); |
| q10s16 = vaddq_s16(q2s16, q5s16); |
| q11s16 = vaddq_s16(q3s16, q4s16); |
| q12s16 = vsubq_s16(q3s16, q4s16); |
| q13s16 = vsubq_s16(q2s16, q5s16); |
| q14s16 = vsubq_s16(q1s16, q6s16); |
| q15s16 = vsubq_s16(q0s16, q15s16); |
| |
| d16u64 = vreinterpret_u64_s16(vget_low_s16(q8s16)); |
| d17u64 = vreinterpret_u64_s16(vget_high_s16(q8s16)); |
| d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16)); |
| d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16)); |
| d20u64 = vreinterpret_u64_s16(vget_low_s16(q10s16)); |
| d21u64 = vreinterpret_u64_s16(vget_high_s16(q10s16)); |
| d22u64 = vreinterpret_u64_s16(vget_low_s16(q11s16)); |
| d23u64 = vreinterpret_u64_s16(vget_high_s16(q11s16)); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16)); |
| d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16)); |
| d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16)); |
| d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16)); |
| |
| // store the data |
| output_stride >>= 1; // output_stride / 2, out is int16_t |
| vst1_u64((uint64_t *)out, d16u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d17u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d18u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d19u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d20u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d21u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d22u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d23u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d24u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d28u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d29u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d30u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d31u64); |
| return; |
| } |
| |
| void aom_idct16x16_256_add_neon_pass2(int16_t *src, int16_t *out, |
| int16_t *pass1Output, int16_t skip_adding, |
| uint8_t *dest, int dest_stride) { |
| uint8_t *d; |
| uint8x8_t d12u8, d13u8; |
| int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; |
| int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; |
| int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; |
| uint64x1_t d24u64, d25u64, d26u64, d27u64; |
| int64x1_t d12s64, d13s64; |
| uint16x8_t q2u16, q3u16, q4u16, q5u16, q8u16; |
| uint16x8_t q9u16, q12u16, q13u16, q14u16, q15u16; |
| int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; |
| int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; |
| int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q8s32, q9s32; |
| int32x4_t q10s32, q11s32, q12s32, q13s32; |
| int16x8x2_t q0x2s16; |
| |
| q0x2s16 = vld2q_s16(src); |
| q8s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q9s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q10s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q11s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q12s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q13s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q14s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q15s16 = q0x2s16.val[0]; |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| d16s16 = vget_low_s16(q8s16); |
| d17s16 = vget_high_s16(q8s16); |
| d18s16 = vget_low_s16(q9s16); |
| d19s16 = vget_high_s16(q9s16); |
| d20s16 = vget_low_s16(q10s16); |
| d21s16 = vget_high_s16(q10s16); |
| d22s16 = vget_low_s16(q11s16); |
| d23s16 = vget_high_s16(q11s16); |
| d24s16 = vget_low_s16(q12s16); |
| d25s16 = vget_high_s16(q12s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| d28s16 = vget_low_s16(q14s16); |
| d29s16 = vget_high_s16(q14s16); |
| d30s16 = vget_low_s16(q15s16); |
| d31s16 = vget_high_s16(q15s16); |
| |
| // stage 3 |
| d12s16 = vdup_n_s16((int16_t)cospi_30_64); |
| d13s16 = vdup_n_s16((int16_t)cospi_2_64); |
| |
| q2s32 = vmull_s16(d16s16, d12s16); |
| q3s32 = vmull_s16(d17s16, d12s16); |
| q1s32 = vmull_s16(d16s16, d13s16); |
| q4s32 = vmull_s16(d17s16, d13s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d30s16, d13s16); |
| q3s32 = vmlsl_s16(q3s32, d31s16, d13s16); |
| q1s32 = vmlal_s16(q1s32, d30s16, d12s16); |
| q4s32 = vmlal_s16(q4s32, d31s16, d12s16); |
| |
| d0s16 = vqrshrn_n_s32(q2s32, 14); |
| d1s16 = vqrshrn_n_s32(q3s32, 14); |
| d14s16 = vqrshrn_n_s32(q1s32, 14); |
| d15s16 = vqrshrn_n_s32(q4s32, 14); |
| q0s16 = vcombine_s16(d0s16, d1s16); |
| q7s16 = vcombine_s16(d14s16, d15s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_14_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_18_64); |
| |
| q2s32 = vmull_s16(d24s16, d30s16); |
| q3s32 = vmull_s16(d25s16, d30s16); |
| q4s32 = vmull_s16(d24s16, d31s16); |
| q5s32 = vmull_s16(d25s16, d31s16); |
| |
| q2s32 = vmlsl_s16(q2s32, d22s16, d31s16); |
| q3s32 = vmlsl_s16(q3s32, d23s16, d31s16); |
| q4s32 = vmlal_s16(q4s32, d22s16, d30s16); |
| q5s32 = vmlal_s16(q5s32, d23s16, d30s16); |
| |
| d2s16 = vqrshrn_n_s32(q2s32, 14); |
| d3s16 = vqrshrn_n_s32(q3s32, 14); |
| d12s16 = vqrshrn_n_s32(q4s32, 14); |
| d13s16 = vqrshrn_n_s32(q5s32, 14); |
| q1s16 = vcombine_s16(d2s16, d3s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_22_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_10_64); |
| |
| q11s32 = vmull_s16(d20s16, d30s16); |
| q12s32 = vmull_s16(d21s16, d30s16); |
| q4s32 = vmull_s16(d20s16, d31s16); |
| q5s32 = vmull_s16(d21s16, d31s16); |
| |
| q11s32 = vmlsl_s16(q11s32, d26s16, d31s16); |
| q12s32 = vmlsl_s16(q12s32, d27s16, d31s16); |
| q4s32 = vmlal_s16(q4s32, d26s16, d30s16); |
| q5s32 = vmlal_s16(q5s32, d27s16, d30s16); |
| |
| d4s16 = vqrshrn_n_s32(q11s32, 14); |
| d5s16 = vqrshrn_n_s32(q12s32, 14); |
| d11s16 = vqrshrn_n_s32(q5s32, 14); |
| d10s16 = vqrshrn_n_s32(q4s32, 14); |
| q2s16 = vcombine_s16(d4s16, d5s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_6_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_26_64); |
| |
| q10s32 = vmull_s16(d28s16, d30s16); |
| q11s32 = vmull_s16(d29s16, d30s16); |
| q12s32 = vmull_s16(d28s16, d31s16); |
| q13s32 = vmull_s16(d29s16, d31s16); |
| |
| q10s32 = vmlsl_s16(q10s32, d18s16, d31s16); |
| q11s32 = vmlsl_s16(q11s32, d19s16, d31s16); |
| q12s32 = vmlal_s16(q12s32, d18s16, d30s16); |
| q13s32 = vmlal_s16(q13s32, d19s16, d30s16); |
| |
| d6s16 = vqrshrn_n_s32(q10s32, 14); |
| d7s16 = vqrshrn_n_s32(q11s32, 14); |
| d8s16 = vqrshrn_n_s32(q12s32, 14); |
| d9s16 = vqrshrn_n_s32(q13s32, 14); |
| q3s16 = vcombine_s16(d6s16, d7s16); |
| q4s16 = vcombine_s16(d8s16, d9s16); |
| |
| // stage 3 |
| q9s16 = vsubq_s16(q0s16, q1s16); |
| q0s16 = vaddq_s16(q0s16, q1s16); |
| q10s16 = vsubq_s16(q3s16, q2s16); |
| q11s16 = vaddq_s16(q2s16, q3s16); |
| q12s16 = vaddq_s16(q4s16, q5s16); |
| q13s16 = vsubq_s16(q4s16, q5s16); |
| q14s16 = vsubq_s16(q7s16, q6s16); |
| q7s16 = vaddq_s16(q6s16, q7s16); |
| |
| // stage 4 |
| d18s16 = vget_low_s16(q9s16); |
| d19s16 = vget_high_s16(q9s16); |
| d20s16 = vget_low_s16(q10s16); |
| d21s16 = vget_high_s16(q10s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| d28s16 = vget_low_s16(q14s16); |
| d29s16 = vget_high_s16(q14s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_8_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_24_64); |
| |
| q2s32 = vmull_s16(d18s16, d31s16); |
| q3s32 = vmull_s16(d19s16, d31s16); |
| q4s32 = vmull_s16(d28s16, d31s16); |
| q5s32 = vmull_s16(d29s16, d31s16); |
| |
| q2s32 = vmlal_s16(q2s32, d28s16, d30s16); |
| q3s32 = vmlal_s16(q3s32, d29s16, d30s16); |
| q4s32 = vmlsl_s16(q4s32, d18s16, d30s16); |
| q5s32 = vmlsl_s16(q5s32, d19s16, d30s16); |
| |
| d12s16 = vqrshrn_n_s32(q2s32, 14); |
| d13s16 = vqrshrn_n_s32(q3s32, 14); |
| d2s16 = vqrshrn_n_s32(q4s32, 14); |
| d3s16 = vqrshrn_n_s32(q5s32, 14); |
| q1s16 = vcombine_s16(d2s16, d3s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| q3s16 = q11s16; |
| q4s16 = q12s16; |
| |
| d30s16 = vdup_n_s16(-cospi_8_64); |
| q11s32 = vmull_s16(d26s16, d30s16); |
| q12s32 = vmull_s16(d27s16, d30s16); |
| q8s32 = vmull_s16(d20s16, d30s16); |
| q9s32 = vmull_s16(d21s16, d30s16); |
| |
| q11s32 = vmlsl_s16(q11s32, d20s16, d31s16); |
| q12s32 = vmlsl_s16(q12s32, d21s16, d31s16); |
| q8s32 = vmlal_s16(q8s32, d26s16, d31s16); |
| q9s32 = vmlal_s16(q9s32, d27s16, d31s16); |
| |
| d4s16 = vqrshrn_n_s32(q11s32, 14); |
| d5s16 = vqrshrn_n_s32(q12s32, 14); |
| d10s16 = vqrshrn_n_s32(q8s32, 14); |
| d11s16 = vqrshrn_n_s32(q9s32, 14); |
| q2s16 = vcombine_s16(d4s16, d5s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| // stage 5 |
| q8s16 = vaddq_s16(q0s16, q3s16); |
| q9s16 = vaddq_s16(q1s16, q2s16); |
| q10s16 = vsubq_s16(q1s16, q2s16); |
| q11s16 = vsubq_s16(q0s16, q3s16); |
| q12s16 = vsubq_s16(q7s16, q4s16); |
| q13s16 = vsubq_s16(q6s16, q5s16); |
| q14s16 = vaddq_s16(q6s16, q5s16); |
| q15s16 = vaddq_s16(q7s16, q4s16); |
| |
| // stage 6 |
| d20s16 = vget_low_s16(q10s16); |
| d21s16 = vget_high_s16(q10s16); |
| d22s16 = vget_low_s16(q11s16); |
| d23s16 = vget_high_s16(q11s16); |
| d24s16 = vget_low_s16(q12s16); |
| d25s16 = vget_high_s16(q12s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| |
| d14s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q3s32 = vmull_s16(d26s16, d14s16); |
| q4s32 = vmull_s16(d27s16, d14s16); |
| q0s32 = vmull_s16(d20s16, d14s16); |
| q1s32 = vmull_s16(d21s16, d14s16); |
| |
| q5s32 = vsubq_s32(q3s32, q0s32); |
| q6s32 = vsubq_s32(q4s32, q1s32); |
| q10s32 = vaddq_s32(q3s32, q0s32); |
| q4s32 = vaddq_s32(q4s32, q1s32); |
| |
| d4s16 = vqrshrn_n_s32(q5s32, 14); |
| d5s16 = vqrshrn_n_s32(q6s32, 14); |
| d10s16 = vqrshrn_n_s32(q10s32, 14); |
| d11s16 = vqrshrn_n_s32(q4s32, 14); |
| q2s16 = vcombine_s16(d4s16, d5s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| q0s32 = vmull_s16(d22s16, d14s16); |
| q1s32 = vmull_s16(d23s16, d14s16); |
| q13s32 = vmull_s16(d24s16, d14s16); |
| q6s32 = vmull_s16(d25s16, d14s16); |
| |
| q10s32 = vsubq_s32(q13s32, q0s32); |
| q4s32 = vsubq_s32(q6s32, q1s32); |
| q13s32 = vaddq_s32(q13s32, q0s32); |
| q6s32 = vaddq_s32(q6s32, q1s32); |
| |
| d6s16 = vqrshrn_n_s32(q10s32, 14); |
| d7s16 = vqrshrn_n_s32(q4s32, 14); |
| d8s16 = vqrshrn_n_s32(q13s32, 14); |
| d9s16 = vqrshrn_n_s32(q6s32, 14); |
| q3s16 = vcombine_s16(d6s16, d7s16); |
| q4s16 = vcombine_s16(d8s16, d9s16); |
| |
| // stage 7 |
| if (skip_adding != 0) { |
| d = dest; |
| // load the data in pass1 |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| d13s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| |
| q12s16 = vaddq_s16(q0s16, q15s16); |
| q13s16 = vaddq_s16(q1s16, q14s16); |
| q12s16 = vrshrq_n_s16(q12s16, 6); |
| q13s16 = vrshrq_n_s16(q13s16, 6); |
| q12u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q12s16), vreinterpret_u8_s64(d12s64)); |
| q13u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q13s16), vreinterpret_u8_s64(d13s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16)); |
| d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8)); |
| d += dest_stride; |
| q14s16 = vsubq_s16(q1s16, q14s16); |
| q15s16 = vsubq_s16(q0s16, q15s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| d13s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q12s16 = vaddq_s16(q10s16, q5s16); |
| q13s16 = vaddq_s16(q11s16, q4s16); |
| q12s16 = vrshrq_n_s16(q12s16, 6); |
| q13s16 = vrshrq_n_s16(q13s16, 6); |
| q12u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q12s16), vreinterpret_u8_s64(d12s64)); |
| q13u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q13s16), vreinterpret_u8_s64(d13s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16)); |
| d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8)); |
| d += dest_stride; |
| q4s16 = vsubq_s16(q11s16, q4s16); |
| q5s16 = vsubq_s16(q10s16, q5s16); |
| |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| d13s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q12s16 = vaddq_s16(q0s16, q3s16); |
| q13s16 = vaddq_s16(q1s16, q2s16); |
| q12s16 = vrshrq_n_s16(q12s16, 6); |
| q13s16 = vrshrq_n_s16(q13s16, 6); |
| q12u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q12s16), vreinterpret_u8_s64(d12s64)); |
| q13u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q13s16), vreinterpret_u8_s64(d13s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16)); |
| d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8)); |
| d += dest_stride; |
| q2s16 = vsubq_s16(q1s16, q2s16); |
| q3s16 = vsubq_s16(q0s16, q3s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| d13s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q12s16 = vaddq_s16(q10s16, q9s16); |
| q13s16 = vaddq_s16(q11s16, q8s16); |
| q12s16 = vrshrq_n_s16(q12s16, 6); |
| q13s16 = vrshrq_n_s16(q13s16, 6); |
| q12u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q12s16), vreinterpret_u8_s64(d12s64)); |
| q13u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q13s16), vreinterpret_u8_s64(d13s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q12u16)); |
| d13u8 = vqmovun_s16(vreinterpretq_s16_u16(q13u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d13u8)); |
| d += dest_stride; |
| q8s16 = vsubq_s16(q11s16, q8s16); |
| q9s16 = vsubq_s16(q10s16, q9s16); |
| |
| // store the data out 8,9,10,11,12,13,14,15 |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q8s16 = vrshrq_n_s16(q8s16, 6); |
| q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q9s16 = vrshrq_n_s16(q9s16, 6); |
| q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q2s16 = vrshrq_n_s16(q2s16, 6); |
| q2u16 = vaddw_u8(vreinterpretq_u16_s16(q2s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q2u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q3s16 = vrshrq_n_s16(q3s16, 6); |
| q3u16 = vaddw_u8(vreinterpretq_u16_s16(q3s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q3u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q4s16 = vrshrq_n_s16(q4s16, 6); |
| q4u16 = vaddw_u8(vreinterpretq_u16_s16(q4s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q4u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q5s16 = vrshrq_n_s16(q5s16, 6); |
| q5u16 = vaddw_u8(vreinterpretq_u16_s16(q5s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q5u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| dest += dest_stride; |
| q14s16 = vrshrq_n_s16(q14s16, 6); |
| q14u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q14s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q14u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| d += dest_stride; |
| |
| d12s64 = vld1_s64((int64_t *)dest); |
| q15s16 = vrshrq_n_s16(q15s16, 6); |
| q15u16 = |
| vaddw_u8(vreinterpretq_u16_s16(q15s16), vreinterpret_u8_s64(d12s64)); |
| d12u8 = vqmovun_s16(vreinterpretq_s16_u16(q15u16)); |
| vst1_u64((uint64_t *)d, vreinterpret_u64_u8(d12u8)); |
| } else { // skip_adding_dest |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q0s16, q15s16); |
| q13s16 = vaddq_s16(q1s16, q14s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q14s16 = vsubq_s16(q1s16, q14s16); |
| q15s16 = vsubq_s16(q0s16, q15s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q10s16, q5s16); |
| q13s16 = vaddq_s16(q11s16, q4s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q4s16 = vsubq_s16(q11s16, q4s16); |
| q5s16 = vsubq_s16(q10s16, q5s16); |
| |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q0s16, q3s16); |
| q13s16 = vaddq_s16(q1s16, q2s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q2s16 = vsubq_s16(q1s16, q2s16); |
| q3s16 = vsubq_s16(q0s16, q3s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q10s16, q9s16); |
| q13s16 = vaddq_s16(q11s16, q8s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q8s16 = vsubq_s16(q11s16, q8s16); |
| q9s16 = vsubq_s16(q10s16, q9s16); |
| |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q8s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q8s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q9s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q9s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q2s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q2s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q3s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q3s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q4s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q4s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q5s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q5s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q14s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q14s16))); |
| out += 12; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_low_s16(q15s16))); |
| out += 4; |
| vst1_u64((uint64_t *)out, vreinterpret_u64_s16(vget_high_s16(q15s16))); |
| } |
| return; |
| } |
| |
| void aom_idct16x16_10_add_neon_pass1(int16_t *in, int16_t *out, |
| int output_stride) { |
| int16x4_t d4s16; |
| int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; |
| uint64x1_t d4u64, d5u64, d18u64, d19u64, d20u64, d21u64, d22u64, d23u64; |
| uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64; |
| int16x8_t q0s16, q1s16, q2s16, q4s16, q5s16, q6s16, q7s16; |
| int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; |
| int32x4_t q6s32, q9s32; |
| int32x4_t q10s32, q11s32, q12s32, q15s32; |
| int16x8x2_t q0x2s16; |
| |
| q0x2s16 = vld2q_s16(in); |
| q8s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q9s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q10s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q11s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q12s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q13s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q14s16 = q0x2s16.val[0]; |
| in += 16; |
| q0x2s16 = vld2q_s16(in); |
| q15s16 = q0x2s16.val[0]; |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| // stage 3 |
| q0s16 = vdupq_n_s16((int16_t)(cospi_28_64 * 2)); |
| q1s16 = vdupq_n_s16((int16_t)(cospi_4_64 * 2)); |
| |
| q4s16 = vqrdmulhq_s16(q9s16, q0s16); |
| q7s16 = vqrdmulhq_s16(q9s16, q1s16); |
| |
| // stage 4 |
| q1s16 = vdupq_n_s16((int16_t)(cospi_16_64 * 2)); |
| d4s16 = vdup_n_s16((int16_t)cospi_16_64); |
| |
| q8s16 = vqrdmulhq_s16(q8s16, q1s16); |
| |
| d8s16 = vget_low_s16(q4s16); |
| d9s16 = vget_high_s16(q4s16); |
| d14s16 = vget_low_s16(q7s16); |
| d15s16 = vget_high_s16(q7s16); |
| q9s32 = vmull_s16(d14s16, d4s16); |
| q10s32 = vmull_s16(d15s16, d4s16); |
| q12s32 = vmull_s16(d9s16, d4s16); |
| q11s32 = vmull_s16(d8s16, d4s16); |
| |
| q15s32 = vsubq_s32(q10s32, q12s32); |
| q6s32 = vsubq_s32(q9s32, q11s32); |
| q9s32 = vaddq_s32(q9s32, q11s32); |
| q10s32 = vaddq_s32(q10s32, q12s32); |
| |
| d11s16 = vqrshrn_n_s32(q15s32, 14); |
| d10s16 = vqrshrn_n_s32(q6s32, 14); |
| d12s16 = vqrshrn_n_s32(q9s32, 14); |
| d13s16 = vqrshrn_n_s32(q10s32, 14); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| // stage 6 |
| q2s16 = vaddq_s16(q8s16, q7s16); |
| q9s16 = vaddq_s16(q8s16, q6s16); |
| q10s16 = vaddq_s16(q8s16, q5s16); |
| q11s16 = vaddq_s16(q8s16, q4s16); |
| q12s16 = vsubq_s16(q8s16, q4s16); |
| q13s16 = vsubq_s16(q8s16, q5s16); |
| q14s16 = vsubq_s16(q8s16, q6s16); |
| q15s16 = vsubq_s16(q8s16, q7s16); |
| |
| d4u64 = vreinterpret_u64_s16(vget_low_s16(q2s16)); |
| d5u64 = vreinterpret_u64_s16(vget_high_s16(q2s16)); |
| d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16)); |
| d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16)); |
| d20u64 = vreinterpret_u64_s16(vget_low_s16(q10s16)); |
| d21u64 = vreinterpret_u64_s16(vget_high_s16(q10s16)); |
| d22u64 = vreinterpret_u64_s16(vget_low_s16(q11s16)); |
| d23u64 = vreinterpret_u64_s16(vget_high_s16(q11s16)); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16)); |
| d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16)); |
| d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16)); |
| d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16)); |
| |
| // store the data |
| output_stride >>= 1; // output_stride / 2, out is int16_t |
| vst1_u64((uint64_t *)out, d4u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d5u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d18u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d19u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d20u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d21u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d22u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d23u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d24u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d28u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d29u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d30u64); |
| out += output_stride; |
| vst1_u64((uint64_t *)out, d31u64); |
| return; |
| } |
| |
| void aom_idct16x16_10_add_neon_pass2(int16_t *src, int16_t *out, |
| int16_t *pass1Output, int16_t skip_adding, |
| uint8_t *dest, int dest_stride) { |
| int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; |
| int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; |
| int16x4_t d20s16, d21s16, d22s16, d23s16; |
| int16x4_t d24s16, d25s16, d26s16, d27s16, d30s16, d31s16; |
| uint64x1_t d4u64, d5u64, d6u64, d7u64, d8u64, d9u64, d10u64, d11u64; |
| uint64x1_t d16u64, d17u64, d18u64, d19u64; |
| uint64x1_t d24u64, d25u64, d26u64, d27u64, d28u64, d29u64, d30u64, d31u64; |
| int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; |
| int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; |
| int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q8s32, q9s32; |
| int32x4_t q10s32, q11s32, q12s32, q13s32; |
| int16x8x2_t q0x2s16; |
| (void)skip_adding; |
| (void)dest; |
| (void)dest_stride; |
| |
| q0x2s16 = vld2q_s16(src); |
| q8s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q9s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q10s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q11s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q12s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q13s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q14s16 = q0x2s16.val[0]; |
| src += 16; |
| q0x2s16 = vld2q_s16(src); |
| q15s16 = q0x2s16.val[0]; |
| |
| TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, |
| &q15s16); |
| |
| // stage 3 |
| q6s16 = vdupq_n_s16((int16_t)(cospi_30_64 * 2)); |
| q0s16 = vqrdmulhq_s16(q8s16, q6s16); |
| q6s16 = vdupq_n_s16((int16_t)(cospi_2_64 * 2)); |
| q7s16 = vqrdmulhq_s16(q8s16, q6s16); |
| |
| q15s16 = vdupq_n_s16(-cospi_26_64 * 2); |
| q14s16 = vdupq_n_s16((int16_t)(cospi_6_64 * 2)); |
| q3s16 = vqrdmulhq_s16(q9s16, q15s16); |
| q4s16 = vqrdmulhq_s16(q9s16, q14s16); |
| |
| // stage 4 |
| d0s16 = vget_low_s16(q0s16); |
| d1s16 = vget_high_s16(q0s16); |
| d6s16 = vget_low_s16(q3s16); |
| d7s16 = vget_high_s16(q3s16); |
| d8s16 = vget_low_s16(q4s16); |
| d9s16 = vget_high_s16(q4s16); |
| d14s16 = vget_low_s16(q7s16); |
| d15s16 = vget_high_s16(q7s16); |
| |
| d30s16 = vdup_n_s16((int16_t)cospi_8_64); |
| d31s16 = vdup_n_s16((int16_t)cospi_24_64); |
| |
| q12s32 = vmull_s16(d14s16, d31s16); |
| q5s32 = vmull_s16(d15s16, d31s16); |
| q2s32 = vmull_s16(d0s16, d31s16); |
| q11s32 = vmull_s16(d1s16, d31s16); |
| |
| q12s32 = vmlsl_s16(q12s32, d0s16, d30s16); |
| q5s32 = vmlsl_s16(q5s32, d1s16, d30s16); |
| q2s32 = vmlal_s16(q2s32, d14s16, d30s16); |
| q11s32 = vmlal_s16(q11s32, d15s16, d30s16); |
| |
| d2s16 = vqrshrn_n_s32(q12s32, 14); |
| d3s16 = vqrshrn_n_s32(q5s32, 14); |
| d12s16 = vqrshrn_n_s32(q2s32, 14); |
| d13s16 = vqrshrn_n_s32(q11s32, 14); |
| q1s16 = vcombine_s16(d2s16, d3s16); |
| q6s16 = vcombine_s16(d12s16, d13s16); |
| |
| d30s16 = vdup_n_s16(-cospi_8_64); |
| q10s32 = vmull_s16(d8s16, d30s16); |
| q13s32 = vmull_s16(d9s16, d30s16); |
| q8s32 = vmull_s16(d6s16, d30s16); |
| q9s32 = vmull_s16(d7s16, d30s16); |
| |
| q10s32 = vmlsl_s16(q10s32, d6s16, d31s16); |
| q13s32 = vmlsl_s16(q13s32, d7s16, d31s16); |
| q8s32 = vmlal_s16(q8s32, d8s16, d31s16); |
| q9s32 = vmlal_s16(q9s32, d9s16, d31s16); |
| |
| d4s16 = vqrshrn_n_s32(q10s32, 14); |
| d5s16 = vqrshrn_n_s32(q13s32, 14); |
| d10s16 = vqrshrn_n_s32(q8s32, 14); |
| d11s16 = vqrshrn_n_s32(q9s32, 14); |
| q2s16 = vcombine_s16(d4s16, d5s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| // stage 5 |
| q8s16 = vaddq_s16(q0s16, q3s16); |
| q9s16 = vaddq_s16(q1s16, q2s16); |
| q10s16 = vsubq_s16(q1s16, q2s16); |
| q11s16 = vsubq_s16(q0s16, q3s16); |
| q12s16 = vsubq_s16(q7s16, q4s16); |
| q13s16 = vsubq_s16(q6s16, q5s16); |
| q14s16 = vaddq_s16(q6s16, q5s16); |
| q15s16 = vaddq_s16(q7s16, q4s16); |
| |
| // stage 6 |
| d20s16 = vget_low_s16(q10s16); |
| d21s16 = vget_high_s16(q10s16); |
| d22s16 = vget_low_s16(q11s16); |
| d23s16 = vget_high_s16(q11s16); |
| d24s16 = vget_low_s16(q12s16); |
| d25s16 = vget_high_s16(q12s16); |
| d26s16 = vget_low_s16(q13s16); |
| d27s16 = vget_high_s16(q13s16); |
| |
| d14s16 = vdup_n_s16((int16_t)cospi_16_64); |
| q3s32 = vmull_s16(d26s16, d14s16); |
| q4s32 = vmull_s16(d27s16, d14s16); |
| q0s32 = vmull_s16(d20s16, d14s16); |
| q1s32 = vmull_s16(d21s16, d14s16); |
| |
| q5s32 = vsubq_s32(q3s32, q0s32); |
| q6s32 = vsubq_s32(q4s32, q1s32); |
| q0s32 = vaddq_s32(q3s32, q0s32); |
| q4s32 = vaddq_s32(q4s32, q1s32); |
| |
| d4s16 = vqrshrn_n_s32(q5s32, 14); |
| d5s16 = vqrshrn_n_s32(q6s32, 14); |
| d10s16 = vqrshrn_n_s32(q0s32, 14); |
| d11s16 = vqrshrn_n_s32(q4s32, 14); |
| q2s16 = vcombine_s16(d4s16, d5s16); |
| q5s16 = vcombine_s16(d10s16, d11s16); |
| |
| q0s32 = vmull_s16(d22s16, d14s16); |
| q1s32 = vmull_s16(d23s16, d14s16); |
| q13s32 = vmull_s16(d24s16, d14s16); |
| q6s32 = vmull_s16(d25s16, d14s16); |
| |
| q10s32 = vsubq_s32(q13s32, q0s32); |
| q4s32 = vsubq_s32(q6s32, q1s32); |
| q13s32 = vaddq_s32(q13s32, q0s32); |
| q6s32 = vaddq_s32(q6s32, q1s32); |
| |
| d6s16 = vqrshrn_n_s32(q10s32, 14); |
| d7s16 = vqrshrn_n_s32(q4s32, 14); |
| d8s16 = vqrshrn_n_s32(q13s32, 14); |
| d9s16 = vqrshrn_n_s32(q6s32, 14); |
| q3s16 = vcombine_s16(d6s16, d7s16); |
| q4s16 = vcombine_s16(d8s16, d9s16); |
| |
| // stage 7 |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q0s16, q15s16); |
| q13s16 = vaddq_s16(q1s16, q14s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q14s16 = vsubq_s16(q1s16, q14s16); |
| q15s16 = vsubq_s16(q0s16, q15s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q10s16, q5s16); |
| q13s16 = vaddq_s16(q11s16, q4s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q4s16 = vsubq_s16(q11s16, q4s16); |
| q5s16 = vsubq_s16(q10s16, q5s16); |
| |
| q0s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q1s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q12s16 = vaddq_s16(q0s16, q3s16); |
| q13s16 = vaddq_s16(q1s16, q2s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q2s16 = vsubq_s16(q1s16, q2s16); |
| q3s16 = vsubq_s16(q0s16, q3s16); |
| |
| q10s16 = vld1q_s16(pass1Output); |
| pass1Output += 8; |
| q11s16 = vld1q_s16(pass1Output); |
| q12s16 = vaddq_s16(q10s16, q9s16); |
| q13s16 = vaddq_s16(q11s16, q8s16); |
| d24u64 = vreinterpret_u64_s16(vget_low_s16(q12s16)); |
| d25u64 = vreinterpret_u64_s16(vget_high_s16(q12s16)); |
| d26u64 = vreinterpret_u64_s16(vget_low_s16(q13s16)); |
| d27u64 = vreinterpret_u64_s16(vget_high_s16(q13s16)); |
| vst1_u64((uint64_t *)out, d24u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d25u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d26u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d27u64); |
| out += 12; |
| q8s16 = vsubq_s16(q11s16, q8s16); |
| q9s16 = vsubq_s16(q10s16, q9s16); |
| |
| d4u64 = vreinterpret_u64_s16(vget_low_s16(q2s16)); |
| d5u64 = vreinterpret_u64_s16(vget_high_s16(q2s16)); |
| d6u64 = vreinterpret_u64_s16(vget_low_s16(q3s16)); |
| d7u64 = vreinterpret_u64_s16(vget_high_s16(q3s16)); |
| d8u64 = vreinterpret_u64_s16(vget_low_s16(q4s16)); |
| d9u64 = vreinterpret_u64_s16(vget_high_s16(q4s16)); |
| d10u64 = vreinterpret_u64_s16(vget_low_s16(q5s16)); |
| d11u64 = vreinterpret_u64_s16(vget_high_s16(q5s16)); |
| d16u64 = vreinterpret_u64_s16(vget_low_s16(q8s16)); |
| d17u64 = vreinterpret_u64_s16(vget_high_s16(q8s16)); |
| d18u64 = vreinterpret_u64_s16(vget_low_s16(q9s16)); |
| d19u64 = vreinterpret_u64_s16(vget_high_s16(q9s16)); |
| d28u64 = vreinterpret_u64_s16(vget_low_s16(q14s16)); |
| d29u64 = vreinterpret_u64_s16(vget_high_s16(q14s16)); |
| d30u64 = vreinterpret_u64_s16(vget_low_s16(q15s16)); |
| d31u64 = vreinterpret_u64_s16(vget_high_s16(q15s16)); |
| |
| vst1_u64((uint64_t *)out, d16u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d17u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d18u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d19u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d4u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d5u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d6u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d7u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d8u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d9u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d10u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d11u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d28u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d29u64); |
| out += 12; |
| vst1_u64((uint64_t *)out, d30u64); |
| out += 4; |
| vst1_u64((uint64_t *)out, d31u64); |
| return; |
| } |
